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This page is updated frequently with new Sulphur-related patent applications. Subscribe to the Sulphur RSS feed to automatically get the update: related Sulphur RSS feeds. RSS updates for this page: Sulphur RSS RSS


Date/App# patent app List of recent Sulphur-related patents
09/11/14
20140256886
 Vulcanisable compositions based on epoxy group-containing nitrile rubbers patent thumbnailnew patent Vulcanisable compositions based on epoxy group-containing nitrile rubbers
There are provided novel vulcanizable compositions based on optionally fully or partly hydrogenated nitrile rubbers containing epoxy groups, specific acidic crosslinkers and crosslinking accelerators, as a result of which the use of conventional crosslinkers, such as sulphur in particular, is no longer required. The vulcanizates producible therefrom possess very good compression sets at room temperature, 100° c.
09/11/14
20140255824
 Sulphur-containing chain transfer reagents in polyurethane-based photopolymer formulations patent thumbnailnew patent Sulphur-containing chain transfer reagents in polyurethane-based photopolymer formulations
The present invention relates to photopolymer formulations comprising: matrix polymers (a), obtainable by reacting at least one polyisocyanate component (a) and one isocyanate-reactive component (b); a writing monomer (b); a photoinitiator (c) a catalyst (d); and a sulphur-containing chain transfer reagent (e). A holographic medium that contains a photopolymer formulation according to the invention or can be obtained by using it, the use of a photopolymer formulation according to the invention for manufacturing holographic media, and a method for producing a holographic medium by using a photopolymer formulation according to the invention are also subject matter of the invention..
09/11/14
20140252277
 Process for increasing hydrogen content of synthesis gas patent thumbnailnew patent Process for increasing hydrogen content of synthesis gas
Process for increasing the hydrogen content of a synthesis gas containing one or more sulphur compounds, the synthesis gas including hydrogen, carbon oxides and steam, and having a ratio defined as r═(h2—co2)/(co+co2)≦0.6 and a steam to carbon monoxide ratio ≦1.8, including the steps of (i) heating the synthesis gas; (iii) subjecting at least a portion of the heated synthesis gas to a first stage of water-gas shift in a first shift vessel containing a first sulphur-tolerant water-gas shift catalyst that is cooled in heat exchange with boiling water, to form a pre-shifted gas stream; and (iii) forming a shifted gas stream by subjecting at least a portion of the pre-shifted gas stream to a second stage of water-gas shift in a second shift vessel containing a second sulphur-tolerant water-gas shift catalyst that is cooled in heat exchange with a gas stream including the synthesis gas.. .
09/04/14
20140245804
 Magnesium sulphate patent thumbnailMagnesium sulphate
The invention provides a method for the manufacture of a magnesium sulphate product, and a crystalline product, which comprises magnesium sulphate in the form of crystals or granules, as obtainable by carrying out this method. The method comprises the steps of: (a) providing a sulphuric acid product that has been obtained as a by-product during the sulphate process for manufacturing titanium dioxide; (b) concentrating the sulphuric acid product to obtain a concentrated product that has a higher sulphuric acid concentration; (c) combining a magnesium-based neutralising agent with the concentrated product and allowing the magnesium-based neutralising agent and the sulphuric acid to react, to generate magnesium sulphate in solution; and (d) crystallising magnesium sulphate out of the solution, to obtain a crystalline magnesium sulphate product together with a remaining liquor.
08/28/14
20140242097
 Methods patent thumbnailMethods
A method for promoting entry of an agent (introduced agent) into a cell, the method comprising the step of complexing the introduced agent in the presence of an entry-promoting agent and then exposing to cells, wherein the entry-promoting agent comprises a linear and/or branched or cyclic polymonoguanide/polyguanidine, polybiguanide, analogue or derivative thereof according to the following formula 1a & b. The method also provides a means for formation of nanoparticles formed between the entry promoting agent and the introduced agent.
08/21/14
20140235891
 Use of organic framework porous solid acid patent thumbnailUse of organic framework porous solid acid
The invention relates to an application of organic framework porous solid acid. A catalyst for catalytic esterification and acylation reaction is prepared by the steps of adding a divinyl benzene monomer into a solvent prepared by mixing azobisisobutyronitrile, tetrahydrofuran and water, performing hydrothermal treatment at the normal temperature under the constant pressure, and volatilizing the solvent at the room temperature to obtain polydivinylbenzene; grinding the polydivinylbenzene into 200-mesh powder and performing degassing treatment under the nitrogen condition; adding polydivinylbenzene blocks into 1,1′,2-methyl chloroform to explode and crack into small blocks, wherein the small blocks swell; evenly mixing 1,1′,2-methyl chloroform and concentrated sulfuric acid, adding silver sulfate serving as a catalyst, adding processed polydivinylbenzene, performing sulfonation, filtering and washing with dioxane and water till it is neutral, performing drying, using dilute sulphuric acid to activate, performing washing till the it is neutral and performing drying.
08/21/14
20140234723
 Cathode unit for an alkaline metal/sulfur battery having an optimised arrester structure patent thumbnailCathode unit for an alkaline metal/sulfur battery having an optimised arrester structure
The invention relates to a cathode unit for an alkaline metal/sulphur battery, containing a cathode arrester, which comprises a carbon substrate, and an electrochemically active component, which is selected from sulphur or an alkaline metal sulphide and is in electrically conductive contact with the carbon substrate.. .
08/21/14
20140231310
 Process for hydrodesulphuration of gasoil cuts using a catalyst based on heteropolyanions trapped in a mesostructured silica support patent thumbnailProcess for hydrodesulphuration of gasoil cuts using a catalyst based on heteropolyanions trapped in a mesostructured silica support
The invention relates to a process of hydrodesulphuration of at least one gasoil cut implementing a catalyst containing, in its oxide form, at least one metal from group vib and/or at least one metal from group viii of the periodic table, present in the form of at least one polyoxometalate of the formula (hhxxmmoy)q−, said polyoxometalates being present within a mesostructured silicon oxide matrix having a pore size within the range 1.5 to 50 nm and having amorphous walls of thickness within the range 1 to 30 nm, the said catalyst being sulphured before being implemented in the said process.. .
08/21/14
20140230647
 Method of controlling a wet scrubber useful for removing sulphur dioxide from a process gas patent thumbnailMethod of controlling a wet scrubber useful for removing sulphur dioxide from a process gas
A wet scrubber (1) for cleaning a process gas containing sulphur dioxide comprises an absorption vessel (2) for contacting the process gas with an absorption liquid to absorb sulphur dioxide from the process gas, a sulphite sensor (68, 74) for measuring a sulphite concentration in the absorption liquid, and a control unit (52). The control unit (52) is adapted to receive a measurement signal from the sulphite sensor (68, 74) and to control, based on the measured sulphite concentration, at least one wet scrubber operating parameter influencing the sulphite concentration in the absorption liquid..
08/14/14
20140228602
 Catalyst and method for its preparation patent thumbnailCatalyst and method for its preparation
A catalyst including gold, or a compound thereof, and sulphur, a compound of sulphur, trichloroisocyanuric acid or a metal dichloroisocyanurate on a support, together with a process for manufacturing the catalyst and its use in a chemical process are described.. .
08/07/14
20140221261
Marine engine lubrication
Lubricant additives comprising as overbased metal hydrocarbyl-substituted hydroxybenzoate detergent dispersed in diluent and a polyalkenyl-substituted carboxlic acid anhydride dispersed in a diluent oil containing 50 mass % or more of a basestock containing greater than or equal to 90% saturates and less than or equal to 0.03% sulphur or a mixture thereof are blended, in minor amounts, with a high saturates content oil of lubricating viscosity, in a major amount, to give trunk piston marine engine lubricating oil composition for a medium-speed four-stroke compression-ignited marine engine.. .
08/07/14
20140221259
Process for production of nanoparticles of solid lubricant and lubricant dispersions stable in oil and in water
The process basically comprises: dissolving a lamellar disulphide, as a source of the solid lubricant, in an aqueous solvent, forming a first aqueous solution; dissolving a reducing agent, as hydroxylamine, sodium hypophosphite or sodium borohydride, in an aqueous solvent, forming a second aqueous solution; mixing the first and second aqueous solutions, forming a third aqueous solution; neutralizing the ph of the third aqueous solution; dissolving a sulphur source, in an aqueous solvent, forming a fourth aqueous solution; mixing the third and fourth aqueous solutions, forming a fifth aqueous solution, which is contained and heated in an autoclave; cooling the fifth aqueous solution to the room temperature; and removing, from the autoclave, the nanoparticles in powder form.. .
08/07/14
20140220453
Lithium-sulphur (li-s)-type electrochemical battery and production method thereof
The invention also relates to a method for the production of said device.. .
08/07/14
20140219910
Sulphuric acid production with recycle of desulphurized gas
The invention relates to a process for oxidation of so2 to so3 comprising the steps of (a) directing a stream of feed gas comprising so2 and o2 to a catalytically active material, (b) oxidizing an amount of said so2 in said process gas to so3 in the presence of the catalytically active material, providing a first oxidized process gas, (c) reacting so3 with water, (d) condensing h2so4, (e) withdrawing a first desulphurized process gas and a first stream of sulphuric acid, (f) from the desulphurized process gas withdrawing a recycle stream of desulphurized process gas, wherein the recycle stream is added to said stream of feed gas or said first oxidized process gas with the associated benefit of reducing the molar flow of process gas downstream withdrawal of the recycle stream and upstream the mixing point.. .
08/07/14
20140217631
Sulfur granulator system and method
Sulfur (or sulphur) spray nozzles disposed with a tank spray liquid molten sulfur into the cooling liquid in the tank. Solid sulfur seeds are formed in the cooling liquid and settle in the tank.
08/07/14
20140216120
Sulphur-based fertilizer composition with low rock phosphate content
A fertilizer composition is provided that includes sulphur and rock phosphate. The fertilizer composition can be a controlled release fertilizer that includes elemental sulphur, a rock phosphate, and a swelling material.
07/31/14
20140212687
Method of thermomechanical shaping a final product with very high strength and a product produced thereby
A method of thermomechanical shaping a final product with very high strength including the steps of: providing a coated hot-rolled and/or cold-rolled steel strip or sheet including (all percentages in wt. %): 0.04%<carbon<0.5%, 0.5%<manganese<3.5%, silicon<1.0%, 0.01%<chromium<1%, titanium<0.2%, aluminium<0.2%, phosphorus<0.1%, nitrogen<0.015% n, sulphur<0.05%, boron<0.015%, unavoidable impurities, balance iron, the steel being coated with a zinc alloy coating layer, wherein the zinc alloy includes 0.3-4.0% mg and 0.05-6.0% al; optionally at most 0.2% of one or more additional elements; unavoidable impurities; the remainder being zinc; cutting the steel sheet to obtain a steel sheet blank; thermomechanical shaping of the steel sheet blank to a final product with its final properties..
07/31/14
20140212407
Treatment of obesity
The present disclosure relates to the treatment, e.g. Reduction, of body fat mass levels for example in overweight and obese subjects.
07/31/14
20140212348
Hydrometallurgical method for recovery of zinc in sulphuric medium starting from sulphidic zinc concentrates with high iron content
H. Iron oxidation and jarosite precipitation, free of contaminating solids, by means of the injection of oxygen or oxygen-enriched air and the addition of an alkali or a na+ o nh4+ salt..
07/17/14
20140199224
Method for monitoring a cleaning of a process gas
The present disclosure is directed to a method for monitoring a cleaning of a process gas passing through a wet scrubber. The wet scrubber comprises an inlet zone, a contact zone and an outlet zone.
07/10/14
20140193922
Method for combustion analysis of samples in a combustion analyzer
A method for combustion analysing a sample in a combustion analyzer (120,160,180) is provided, where the sample comprises a proportion of sulphur. The sample is supplied to the combustion analyzer and combusted to produce combustion products, comprising a yield of sulphur dioxide for detection.
07/10/14
20140193324
Micronized sulphur powder and method of production of same
A process is provided for the production of a micronized sulphur powder product as well as a micronized sulphur cake intermediate. Production of the micronized sulphur powder using this process, which comprises preparation of a micronized sulphur emulsion from molten sulphur and a dispersant solution, from which the dispersant solution is subsequently removed, produces a product superior quality, and the method of production itself has enhanced safety and economic attributes..
07/10/14
20140190350
Method and device for obtaining gas products
The invention relates to a method and to a device for physical gas scrubbing, wherein a feed gas (1) containing hydrogen, carbon monoxide, carbon dioxide and also carbonyl sulphide and/or hydrogen sulphide is conducted through a first scrubbing section (w1) in countercurrent to a scrubbing medium preloaded with carbon dioxide, in order to separate sulphur components substantially selectively off from the feed gas and to generate a desulphurized gas mixture (3). In a second scrubbing section, carbon dioxide is separated off from only a subquantity of the desulphurized gas mixture by scrubbing with an unloaded scrubbing medium (4) and the resultant carbon dioxide-preloaded scrubbing medium is used completely in the first scrubbing section (w1) as scrubbing medium..
07/03/14
20140186248
Process for the adsorption of toxic sulphur bearing gases
The preparation of nano-oxide coated adsorbent, which is useful for treatment of toxic gases, by coating of composite materials containing hydrotalcite over ceramic monolithic substrates. Oxides and salts of metals are reacted in a known manner to prepare hydrotalcites or mixed metal layered hydroxides such as mg—al, ca—al, zn—al, zn—cr type possessing positive layer charge, from which a stable gel is prepared by adding swellable clay, e.g., montmorillonite etc.
07/03/14
20140183100
Process for hydrodesulphuration of gasoline cuts using a catalyst based on heteropolyanions trapped in a mesostructured silica support
The invention relates to a process of hydrodesulphuration of at least one gasoline cut implementing a catalyst comprising, in its oxide form, at least one metal from group vib and/or at least one metal from group viii of the periodic table, present in the form of at least one polyoxometalate of the formula (hhxxmmoy)q−, wherein x is an element selected from phosphorus (p), silicon (si), boron (b), nickel (ni) and cobalt (co), the said element being taken alone, m is one or more element(s) selected from molybdenum (mo), tungsten (w), nickel (ni) and cobalt (co), o is oxygen, h is hydrogen, h is an integer within the range 0 to 12, x is an integer within the range 0 to 4, m is an integer equal to 5, 6, 7, 8, 9, 10, 11, 12 and 18, y is an integer within the range 17 to 72 and q is an integer within the range 1 to 20, the said polyoxometalates being present within a mesostructured silicon oxide matrix having a pore size within the range 1.5 to 50 nm and having amorphous walls of thickness within the range 1 to 30 nm, the said catalyst being sulphured before being implemented in the said process.. .
07/03/14
20140182537
Marine engine lubrication
A lubricant additive comprising an overbased metal hydrocarbyl-substituted hydroxybenzoate detergent dispersed in a diluent comprising 10 mass % or more of a basestock containing greater than or equal to 90% saturates and less than or equal to 0.03% sulphur is blended, in a minor amount, with an oil of lubricating viscosity, in a major amount, to give a trunk piston marine engine lubricating oil composition for a medium-speed four-stroke compression-ignited marine engine.. .
06/26/14
20140178280
Process for desulphurization of gases
A wet process for the desulphurization of hydrogen sulphide laden gas, including absorption of hydrogen sulphide in aqueous medium by a carbonate salt, oxidation of hydrogenosulphide into elemental sulphur in the presence of a vanadium compound with concomitant reduction of said vanadium compound, re-oxidation of said vanadium compound in the presence of the couple quinone-2-sulfonic acid/hydroquinone-2-sulfonic acid or quinone-2-phosphoric acid/hydroquinone-2-phosphoric acid or a salt thereof, the substituted hydroquinone catalyst being re-oxidized in the presence of oxygen.. .
06/19/14
20140170047
Method for removing impurities from flue gas condensate
The present invention relates to a method for treating flue gas and/or condensates thereof suitable for removal of sulphur-containing compounds. The invention also relates to the purified flue gas and to a system for conducting the method according to the invention..
06/12/14
20140161701
Desulphurisation material comprising copper supported on zinc oxide
A particulate desulphurisation material is described including one or more copper compounds supported on a zinc oxide support material, wherein the desulphurisation material has a copper content in the range 0.1 to 5.0% by weight and a tapped bulk density≧1.55 kg/l.. .
06/05/14
20140155661
Production of hydrocarbons from copyrolysis of plastic and tyre material with microwave heating
The present invention relates to the development of a microwave pyrolysis process for plastic materials selected from pe, pp, ps, pet, pvc and mixtures thereof in the presence of end-of-life tyres, or the pyrolysis residues thereof, or other carbon materials for the production of high added value pyrolysis oils containing over 50% by weight hydrocarbons distillable between 20 and 250° c. And a sulphur content less than 1% by weight..
06/05/14
20140154143
Method and an apparatus for performing an energy efficient desulphurization and decarbonisation of a flue gas
A desulphurization and decarbonisation apparatus includes (a) a starter for starting a reaction between an electropositive metal and sulphur oxides and carbon dioxide of a flue gas; (b) a first reaction chamber with a cooling unit for reducing the sulphur oxides and the carbon dioxide of the flue gas in an exothermic reaction with the electropositive metal; (c) a second reaction chamber for generating a first suspension including suspended carbon containing reaction products and sulphur containing reaction products by extracting solid reaction products of the first reaction chamber in a solvent; (d) a third reaction chamber for oxidizing the first suspension to generate a second suspension including suspended carbon containing reaction products and oxidized sulphur containing reaction products; and (e) a separator for separating the oxidized sulphur containing reaction products from the suspended carbon containing reaction products.. .
06/05/14
20140154009
Asphalt composition
An asphalt composition comprising aggregate, bitumen, sulphur and an anionic surfactant is disclosed, wherein the amount of anionic surfactant is from 0.05 wt % to 10 wt %, based upon the weight of the sulphur. Methods of preparing asphalt compositions and asphalt pavements are also disclosed..
06/05/14
20140150713
Controlling doping of synthetic diamond material
A method of manufacturing synthetic cvd diamond material, the method comprising: providing a microwave plasma reactor comprising: a plasma chamber; one or more substrates disposed in the plasma chamber providing a growth surface area over which the synthetic cvd diamond material is to be deposited in use; a microwave coupling configuration for feeding microwaves from a microwave generator into the plasma chamber; and a gas flow system for feeding process gases into the plasma chamber and removing them therefrom, injecting process gases into the plasma chamber; feeding microwaves from the microwave generator into the plasma chamber through the microwave coupling configuration to form a plasma above the growth surface area; and growing synthetic cvd diamond material over the growth surface area, wherein the process gases comprise at least one dopant in gaseous form, selected from a one or more of boron, silicon, sulphur, phosphorous, lithium and beryllium at a concentration equal to or greater than 0.01 ppm and/or nitrogen at a concentration equal to or greater than 0.3 ppm, wherein the gas flow system includes a gas inlet comprising one or more gas inlet nozzles disposed opposite the growth surface area and configured to inject process gases towards the growth surface area, and wherein the process gases are injected towards the growth surface area at a total gas flow rate equal to or greater than 500 standard cm3 per minute and/or wherein the process gases are injected into the plasma chamber through the or each gas inlet nozzle with a reynolds number a reynolds number in a range 1 to 100.. .
05/29/14
20140148425
Light induced drug release
Photosensitive compounds for use in a method of treating a disease or condition are described. The photosensitive compounds have the formula r—y, wherein r is a ruthenium complex and y is at least one sulphur-containing photoreleasable group, and the compounds comprise at least one ruthenium-sulphur bond; or a pharmaceutically acceptable salt, solvate, ester or amide, such that upon influence of visible or near infra-red light (400-1400 nm) in vivo, said at least one ruthenium-sulphur bond is broken, thereby generating a pharmacologically active compound..
05/29/14
20140147528
Garlic formulation and a process for preparing the same for treatment of diabetes
The present invention relates to a garlic formulation enriched with sulphur containing amino acids and a process for enriching sulphur containing amino acids in garlic. The sulphur containing amino acids includes s-allylcysteine, s-methylcysteine, and s-allylmercaptocysteine.
05/29/14
20140147205
Bituminous composition
The invention provides a bituminous composition comprising 20 to 80 wt % bitumen, 0.1 to 7 wt % of a copolymer formed from monomers including ethylene and glycidyl methacrylate or glycidyl acrylate, and 20 to 60 wt % sulphur, all weight percentages based on the weight of the bituminous composition. It further provides a process for making this composition and asphalt compositions comprising such bituminous composition..
05/22/14
20140140898
Wet scrubber and a method of cleaning a process gas
A wet scrubber (1) and a method of using the wet scrubber to clean a process gas containing sulphur dioxide comprising at least one spray level system (20) with atomizing nozzles (38) to which an absorption liquid is supplied for atomization by the nozzles (38). The method comprises operating the spray level system (20) in at least a first operating mode with an active nozzle density of at least 0.7 nozzles/m2, an absorption liquid flow of at least 10 m3/hour per nozzle and a total flow of at least 30 m3/hour/m2..
05/15/14
20140135551
Catalyst systems for the catalytic oligomerization of olefinic monomers
The r9 and r10 groups are independently selected from optionally substituted alkyl or heteroalkyl groups; the r3 group is selected from hydrogen, a hydrocarbyl group, a substituted hydrocarbyl group, a heterohydrocarbyl group, a substituted heterohydrocarbyl group, a silyl group or derivative thereof; the r4 group is an optionally substituted alkylenedioxy, alkylenedimercapto or alkylenediamino structure which is bound to the phosphorus atom through the two oxygen, sulphur or nitrogen atoms of the alkylenedioxy, alkylenedimercapto or alkylenediamino structure or an optionally substituted arylenedioxy, arylenedimercapto or arylenediamino structure which is bound to the phosphorus atom through the two oxygen, sulphur or nitrogen atoms of the arylenedioxy, arylenedimercapto or arylenediamino structure.. .
05/15/14
20140134096
Zero emissions sulphur recovery process with concurrent hydrogen production
Disclosed is a process for the concurrent production of hydrogen and sulphur from a h2s-containing gas stream, with reduced, and preferably zero, emissions. The method comprises the catalytic oxidative cracking of h2s so as to form h2 and s2.
05/15/14
20140130758
Phenate detergent preparation
The sulphurised calcium phenate has a kinematic viscosity at 100° c. Of greater than 750 and less than 1200 cst..
05/15/14
20140130757
Detergent modification
An overbased sulphurised calcium phenate detergent additive, made from an aldylphenol, has oxyalkylated phenolic functional groups from unreacted alkylphenol starting material.. .
05/08/14
20140128301
Marine engine lubrication
Two-stroke cross-head marine compression-ignited engine system lubrication is effected by a composition comprising a major amount of an oil of lubricating viscosity containing at least 50 mass % of a basestock containing greater than or equal to 90% saturates and less than or equal to 0.03% sulphur or a mixture thereof, and respective minor amounts of an oil-soluble overbased metal alkyl salicylate detergent and an oil-soluble polyalkenyl-substituted carboxylic acid anhydride or an oil-soluble alkylated phenol. The presence of the anhydride or the phenol improves asphaltene dispersency in the lubricant..
05/08/14
20140127589
Polyacrylonitrile-sulphur composite material
The invention relates to a method for preparing a polyacrylonitrile-sulfur composite material, in which, polyacrylonitrile is converted to cyclized polyacrylonitrile, and the cyclized polyacrylonitrile is reacted with sulfur to form a polyacrylonitrile-sulfur composite material. By a separation of the preparation method into two partial reactions, the reaction conditions are advantageously able to be optimized for the respective reactions and a cathode material is able to be provided for alkali-sulfur cells with improved electrochemical properties.
05/01/14
20140120428
Lithium-sulphur battery with high specific energy
The invention provides for a method of discharging a chemical source of electric energy in two stages. The chemical source of electric energy comprises a positive electrode (cathode) including sulphur or sulphur-based organic compounds, sulphur-based polymeric compounds or sulphur-based inorganic compounds as a depolarizer, a negative electrode (anode) made of metallic lithium or lithium-containing alloys, and an electrolyte comprising a solution of at least one salt in at least one aprotic solvent.
04/24/14
20140114026
Compositions that can be vulcanized and that are based on nitrile rubbers containing epoxy groups
There are provided novel vulcanizable compositions based on optionally fully or partly hydrogenated nitrile rubbers containing epoxy groups, and specific crosslinkers, which no longer require use of conventional crosslinkers, more particularly sulphur. The vulcanizates producible therefrom possess very good compression sets at room temperature, 100° c.
04/24/14
20140114025
Vulcanizable compositions based on nitrile rubbers containing epoxy groups
There are provided novel vulcanizable compositions based on optionally fully or partly hydrogenated nitrile rubbers containing epoxy groups, and specific crosslinkers, which no longer require use of conventional crosslinkers, more particularly sulphur. The vulcanizates producible therefrom possess very good compression sets at room temperature, 100° c.
04/24/14
20140113843
Wellbore servicing compositions and methods of making and using same
A method of servicing a wellbore in a subterranean formation comprising placing a composition comprising an acid and/or an acid precursor, a surfactant, and an aqueous base fluid into contact with oil-wet solids in the wellbore; wherein the acid and/or acid precursor is selected from the group consisting of acetic acid; lactic acid; glycolic acid; oxalic acid; propionic acid; butyric acid; monochloroacetic acid; dichloroacetic acid; trichloroacetic acid; hydrochloric acid; nitric acid; sulphuric acid; sulphonic acid; sulphinic acid; phosphoric acid; phosphorous acid; phosphonic acid; phosphinic acid; sulphamic acid; aliphatic polyesters; glucono-delta-lactone; glucoheptonic lactone; poly(ε-caprolactones); poly(hydroxybutyrates); poly(anhydrides); aliphatic polycarbonates; poly(amino acids); polyphosphazenes; poly(ortho esters); or combinations thereof.. .
04/17/14
20140106239
Lithium/sulphur accumulator
The invention relates to a lithium/sulphur accumulator including at least one unit cell including: a negative electrode; an electrode separator comprising a material soaked with electrolyte, said material comprising at least one nonwoven and having a porosity in the range from 50 to 96%, and a thickness in the range from 50 to 200 micrometers; a positive electrode; and wherein said electrolyte is introduced by an excess quantity, and comprises at least one lithium salt, and the excess quantity of electrolyte amounting to from 20 to 200% of the quantity of electrolyte ensuring the wetting of the electrodes and of the separator.. .
04/03/14
20140094449
Treatment of bipolar disorder
The invention relates to sulphur- and/or selenium-containing compounds that can inhibit the enzyme inositol mono-phosphatase (impase), and which can be used in treating conditions that are treatable through inhibition of this enzyme, such as bi-polar disorder, the compounds having a structure of formula (i), or is a pharmaceutically acceptable salt thereof; formula (i); in which: e is s or se and each of phenyl rings a and b is optionally substituted with one or more substituents, in which each substituent is selected independently from: (1) a halogen, which is preferably selected from f, cl and br; (2) c1-c4 alkyl, such as c1-c2 alkyl or c1 alkyl, optionally substituted with one or more halogen atoms, each of which is preferably selected from f, cl and br; and (3) c1-c4 alkoxy, such as c1-c2 alkoxy or c1 alkoxy; optionally substituted with one or more halogen atoms, each of which is preferably selected from f, cl and br.. .
04/03/14
20140094435
Use of dextran sulfate
A method of inhibiting instant blood-mediated inflammatory reaction (ibmir) in a patient, comprises administering a therapeutically effective amount of dextran sulfate, or a pharmaceutically acceptable salt thereof. A method of inhibiting morphological disruption of a transplanted cell transplant in a patient comprises administering a therapeutically effective amount of dextran sulfate, or a pharmaceutically acceptable salt thereof, to a patient.
04/03/14
20140090433
Removal of urea and ammonia from exhaust gases
The invention relates to a method for recovery of urea dust and ammonia from a gas stream by contacting said gas stream with an aqueous sulphuric acid solution, thus forming an acid solution of ammonium sulphate and urea, characterized in that the acid solution is concentrated to a melt comprising less than 5 wt % of water, which melt is subsequently transferred into solid particles comprising urea and ammonium sulphate.. .
03/27/14
20140083835
Production of hydrocarbons from pyrolysis of tyres
The present invention relates to the development of a process of microwave pyrolysis of end-of-life tyres for the production of high added value pyrolysis oils containing a fraction greater than 40% by weight of distiliable hydrocarbons comprised between 20 and 265° c., and sulphur content less than 1% by weight.. .
03/27/14
20140083334
Sulphur cement pre-composition and sulphur cement product
A sulphur cement pre-composition, comprising sulphur and an organosilane coupling agent of formula (i); wherein r1, r2 and r3 are independently chosen from alkoxy, acyloxy, acyloxy, alkyl, aryl and halogen, wherein r4 is alkyl, wherein n is from 1 to 8, wherein r5 is alkyl, alkenyl or aralkyl and wherein p is an integer of at least 1, and wherein the weight ratio of sulphur to organosilane coupling agent is at least 1.. .
03/06/14
20140065057
Sulfur degasser apparatus and method
A novel system and method for degassing h2s and h2sx from liquid sulfur (sulphur) is disclosed. The system includes a degassing vessel with a plurality of cells.
03/06/14
20140065046
Desulphurization and cooling of process gas
The present invention relates to a method of cleaning a process gas containing sulphur dioxide the method including removing sulphur dioxide from the process gas by contacting the process gas with seawater to generate an at least partly cleaned process gas in a first gas cleaning device. In a second gas cleaning device, being arranged in direct fluid connection with the first gas cleaning device, the at least partly cleaned process gas having passed through the first gas cleaning device is cooled to condense water there from, thereby generating a process gas having a reduced content of water vapour.
03/06/14
20140060131
Fertilizer composition
The present invention relates to compositions comprising an effective amount of sulphur, an effective amount of zinc sulphate or zinc oxide and at least one agrochemically acceptable excipient.. .
02/27/14
20140053724
Method for separating off carbon dioxide in biogas plants
A method for separating off carbon dioxide in biogas plants includes an adsorption phase and a regeneration phase. Crude biogas that is treated in the adsorption phase is passed at ambient pressure through an adsorber suitable for adsorption of carbon dioxide, and in the regeneration phase the adsorber is regenerated with a purge gas at the temperature between 20 and 100° c., and also ambient pressure.
02/20/14
20140050645
Wet scrubber for removing sulfur dioxide from a process gas
A wet scrubber (8) for cleaning a process gas containing sulphur dioxide comprises an absorption vessel (40) operative for bringing the process gas into contact with an absorption liquid to absorb sulphur dioxide from the process gas. The wet scrubber (8) further comprises an acidification system (90) operative for mixing absorption liquid that has absorbed sulphur dioxide from the process gas with a carbon dioxide containing gas, an absorbent dissolution tank (54) operative for adding an absorbent material to at least a portion of the absorption liquid, and a return pipe (104) operative for returning to the absorption vessel (40) at least a portion of the absorption liquid that has been mixed with the carbon dioxide containing gas..
02/20/14
20140048228
Process for production of sulphuric acid
The invention relates to a condenser, having a process gas side and a heat transfer medium side said condenser being configured for feeding a hot process gas containing a condensable component to an inlet of the condensing side, and being further configured for withdrawing a cooled process gas from an outlet of the condensing side, and being even further configured for with-drawing a condensate in a position proximate to one end of the condenser, and said condenser having the process gas side divided in a process gas cooling zone configured for having a cool heat transfer medium inlet and a heated heat transfer medium outlet, and a process gas re-heating zone downstream the process gas cooling section, configured for re-heating of the process gas, as well as a processes for condensation and production of sulphuric acid employing such a condenser.. .
02/13/14
20140045072
Porous carbon product with layer composite structure, method for producing same and use thereof
Inexpensive product consisting of porous carbon, with a pore structure which is suitable for retaining electrode parts which can be used in particular for a use as an electrode material for a lithium-sulphur secondary battery, and a method comprising the following method steps: (a) providing a template consisting of inorganic material which contains spherical nanoparticles and pores, (b) infiltrating the pores of the template with a precursor for carbon of a first variety, (c) carbonizing so as to form an inner layer on the nanoparticles with a first microporosity, (d) infiltrating the remaining pores of the template with a precursor substance for carbon of a second variety, (e) carbonizing the precursor substance, wherein an outer layer with a second microporosity which is lower than the first microporosity is produced on the inner layer, and (f) removing the template so as to form the carbon product with layer composite structure, comprising an inner layer consisting carbon with a first, relatively high microporosity, which has a free surface facing a cavity, and an outer layer consisting of carbon with a second, relatively low microporosity, which has a free surface facing away from the cavity.. .
02/13/14
20140044601
Process for the purification of crude gas from solids gasification
A process and device is provided for the generation and purification of a crude gas for synthesis gas generation from a solid carbon-containing fuel by a coal gasification reaction. The fuel is mixed with a quenching medium directly after generation to dissipate the internal energy and is then brought into contact with a compound or a sorbent in the mixing chamber or downstream of the mixing chamber such that the acidic or basic or sulphur-containing or halogen-containing constituents contained in the crude gas and originating from the gasification reaction are absorbed.
02/13/14
20140042367
Method of purifying gas streams
A method of purifying a gas stream formed from a process wherein a glyceride containing raw material is converted to hydrocarbon paraffins. The gas stream contains hydrogen or carbon dioxide as a major component and at least one sulphurous component selected from sulphide compounds as an impurity.
02/13/14
20140042033
Electroplating bath and method for producing dark chromium layers
The invention relates to methods and plating baths for electrodepositing a dark chromium layer on a workpiece. The trivalent chromium electroplating baths comprise sulphur compounds and the methods for electrodepositing a dark chromium layer employ these trivalent chromium electroplating baths.
02/06/14
20140039081
Sulphur-containing thermoplastic polymers
A process for the production of a thermoplastic polymer including carbon and sulphur in an atomic ration of c:s of at least 4 and at most 36 using thiol-ene addition polymerization, preferably with feedstocks obtained from renewable resources such as fatty acids from vegetable origin. The product is preferably aliphatic, meaning that at most 70% of the protons are present as aromatic hydrogen atoms and, if oxygen atoms are present in ester functions, the atomic ratio of the oxygen atoms present in ester functions relative to the number of sulphur atoms in the polymer is less than 1.0.
02/06/14
20140033778
Conversion of acid gas to sulphate or phosphate-based fertilizers
A method is disclosed for producing sulphate or phosphate-based fertilizer from hydrogen sulphide. The method involves feeding a stream containing a substantial volume of hydrogen sulphide and air to a furnace, where it is burned to produce a sulphur dioxide rich gas stream.
01/30/14
20140031270
Fragrance compounds
Wherein x and y are independently selected from the group consisting of —cr1r2r3, —nr4r5 and —or6, wherein r1 to r5 are selected from h and essentially hydrocarbon moieties that optionally comprise at least one oxygen, nitrogen or silicon atom, and r6 is selected from essentially hydrocarbon moieties that optionally comprise at least one oxygen, nitrogen or silicon atom; and, a is an essentially hydrocarbon moiety that optionally comprises at least one oxygen, sulphur, nitrogen or silicon atom, with the proviso that the compound a-cho is a fragrant aldehyde. The use of these compounds in laundry, household and personal care products confers a long-lasting freshness..
01/30/14
20140030250
Biochar products and method of manufacture thereof
A method for producing biochar particles or pellets which use sulphur and other additives. The method includes producing a mixture with biochar and additives selected from sulphur, lignin, and gluten.
01/30/14
20140030133
Cast iron containing niobium and component
Known cast iron alloys have use limits in respect of the temperature. An alloy (in a weight percentage) including silicon 2.0%-4.5%, carbon 2.9%-4.0%, niobium 0.05%-0.7%, molybdenum 0.3%-1.5%, optionally cobalt 0.1%-2.0%, manganese≦0.3%, nickel≦0.5%, magnesium≦0.07%, phosphorus≦0.05%, sulphur≦0.012%, chromium≦0.1%, antimony≦0.004%, and, iron, is provided..


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Sulphur topics: Desulphurization, Hydrochloric Acid, Oxalic Acid, Carbon Dioxide, Hydrocarbon, Chloric Acid, Magnesium Chloride, Boiling Point, Carboxylic Acid, Fatty Acid, Fatty Acids, Molybdenum, Long Chain, Hydrolysis, Exothermic Reaction

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