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Sulfur patents



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


Date/App# patent app List of recent Sulfur-related patents
12/11/14
20140364665
 Process and apparatus for separating c5 di-olefins from pyrolysis gasoline patent thumbnailProcess and apparatus for separating c5 di-olefins from pyrolysis gasoline
Apparatuses, systems and methods for producing pips stream for manufacturing catalytic c5 hydrocarbon resins containing all the key reactive monomers that are already present in the c5 fraction of the pyrolysis gasoline, which is otherwise lost with the crude isoprene stream, are disclosed herein. Embodiments of the invention are directed to producing a hydrocarbon resin grade dcpd stream consisting of dimers and codimers of isoprene which are of value in manufacturing thermal hydrocarbon resins, either polymer grade isoprene and gasoline quality raffinate (free or sulfur and acetylenes) or a relatively small crude isoprene stream with maximum utilization of isoprene by moving some of the isoprene to a dcpd stream used to manufacture thermal hydrocarbon resins..
12/11/14
20140364659
 Process for the conversion of isomeric mixture of dichlorodiphenyl sulfones to chlorobenzene patent thumbnailProcess for the conversion of isomeric mixture of dichlorodiphenyl sulfones to chlorobenzene
The invention relates to a process for the single step conversion of isomeric mixture of dichlorodipheriyi sulfones to chlorobenzene. The invention further relates a process of using dilute sulfuric acid and re-circulating the dilute sulfuric acid..
12/11/14
20140364608
 Aryloxyacetamide compound and pesticide patent thumbnailAryloxyacetamide compound and pesticide
The present invention provides a pesticide comprising an aryloxyacetamide compound represented by formula (iv) (wherein in formula (iv), r1a represents an alkyl group or the like, r2 to r5 independently represents an alkyl group, x represents a halogen atom or the like, n represents an integer of 0 to 5, z represents an oxygen atom or a sulfur atom) or salt thereof as an active ingredient.. .
12/11/14
20140364350
 Lubricating oil composition patent thumbnailLubricating oil composition
A lubricating oil composition contains: a first base oil with a kinematic viscosity at 100 degrees c. In a range from 1.5 mm2/s to 3.5 mm2/s; a second base oil with a kinematic viscosity at 100 degrees c.
12/11/14
20140363879
 System and method for sulfur bioadaptation in a stable dispersion form for industrial bioreactor feeding patent thumbnailSystem and method for sulfur bioadaptation in a stable dispersion form for industrial bioreactor feeding
A system for sulfur (s) bioadaptation in a stable dispersion form for feeding industrial bioreactors, which are composed of a tank with a liquid medium made up of a supernatant dilution or part of a sulfur oxidizing bacterial culture, a recirculating pump fed from the tank, and an eductor which is connected at its input to the recirculation pump, and connected at its output back to the tank, closing the recirculation circuit. There is a supply of s in fine powder form present in the eductor's feeding path.
12/11/14
20140363762
 Two-component developing agent for developing electrostatic latent image and method for forming electrophotographic image patent thumbnailTwo-component developing agent for developing electrostatic latent image and method for forming electrophotographic image
A two-component developing agent for developing an electrostatic latent image includes toner particles composed of toner base particles and an exterior additive attached on the toner base particles, and carrier particles composed of carrier core particles and a coating resin provided on the carrier core particles. The coating resin includes a sulfur atom and a resin obtained by polymerizing an isobutyl methacrylate monomer, and the toner base particles include a sulfur atom..
12/11/14
20140363360
 Systems and methods for removal of organic sulfides and hydrogen sulfide contaminants from mixed gas streams patent thumbnailSystems and methods for removal of organic sulfides and hydrogen sulfide contaminants from mixed gas streams
A method of removing gaseous organic sulfide contaminants from gaseous mixtures is provided where the method includes dissolving the organic sulfide contaminants in a solution of an acid-based catalyst to permit cleavage of the sulfur atom from the organic sulfide molecule, such that the cleaved sulfur atom can be further reduced electrochemically to elemental sulfur or alkali metal polysulfides.. .
12/11/14
20140363350
 Heated entrained sulfur removal element patent thumbnailHeated entrained sulfur removal element
Aspects of this disclosure enhance elimination problems that freezing sulfur creates with gas-liquid parallel plate separators by integrally heating the parallel plate gas-liquid separator assembly. Through integral heating the duration of time that the separator apparatus remains above the freezing temperature of elemental sulfur is prolonged, thereby, allowing the opportunity for residual liquid sulfur to drain from the parallel plate assembly during upsets in unit operations and after a sulfur recovery unit shutdown event, thereby reducing or eliminating the operation and maintenance problems that may occur with existing separator designs..
12/11/14
20140363345
 Compact catalytic membrane reactor for chemical process intensification patent thumbnailCompact catalytic membrane reactor for chemical process intensification
Embodiments disclosed herein generally relate to an apparatus for simultaneous generation and separation processes. The apparatus provides a membrane module including a substrate, a catalytic layer and a membrane layer.
12/11/14
20140361475
 Rubber composition for rubber vibration insulator patent thumbnailRubber composition for rubber vibration insulator
A rubber composition gives rise to a rubber vibration insulator superior not only in heat resistance and low-temperature performance but also in fundamental properties and damping properties. The rubber composition for rubber vibration insulator comprising: a rubber component comprising high-cis-high-vinyl butadiene rubber containing 85 to 93% of cis-1,4 bonds and 5 to 13% of vinyl bonds, sulfur, and a bismaleimide compound, wherein the sulfur is included in an amount of up to 1 part by weight, per 100 parts by weight of the rubber component..
12/11/14
20140360980
Etching of plastic using acidic solutions containing trivalent manganese
A method of preparing a solution capable of etching a platable plastic. The method comprises the steps of: (a) providing an electrolyte comprising a solution of manganese(ii) in a solution of 9 to 15 molar sulfuric acid or phosphoric acid to an electrolytic cell; (b) applying a current to the electrolytic cell, wherein the electrolytic cell comprises an anode and a cathode; and (c) oxidizing the electrolyte to form manganese(iii) ions, wherein the manganese(iii) ions form a metastable sulfate complex.
12/11/14
20140360942
Filtration medium comprising a metal sulfide
Described herein is a liquid filtration device is disclosed a vessel for treating an aqueous liquid, wherein the vessel contains a filtration medium and wherein the filtration medium comprises a metal sulfide, wherein the sulfur in the form of a metal sulfide is at least 0.5% by weight of the filtration media.. .
12/11/14
20140360918
Hydrocracking process with feed/bottoms treatment
A hydrocracking process is provided for treating a first heavy hydrocarbon feedstream and a second heavy hydrocarbon feedstream, in which the first heavy hydrocarbon feedstream contains undesired nitrogen-containing compounds, sulfur-containing compounds and poly-nuclear aromatic compounds. The process includes contacting the first heavy hydrocarbon feedstream with adsorbent material to produce an adsorbent-treated heavy hydrocarbon stream having a reduced content of nitrogen-containing, sulfur-containing compounds and poly-nuclear aromatic compounds.
12/11/14
20140360164
Diesel exhaust treatment systems and methods
Disclosed here are systems and methods including one or more fbcs and one or more suitable aftertreatment devices, including docs, dpfs, and suitable combinations thereof. The systems and methods disclosed may include selecting a suitable fbc for use with a fuel with a specified sulfur content.
12/04/14
20140357927
Apparatus and process for removal of sulfur-containing compounds from a hydrocarbon stream
A process for removing sulfur compounds from a liquid hydrocarbon stream includes the steps of feeding the hydrocarbon stream to a recirculation section of an extraction vessel wherein the recirculation section contains a first alkaline solution; passing the hydrocarbon stream through the recirculation section; recirculating at least a part of a first alkaline stream to a top deck of one or more liquid-liquid contacting decks of the recirculation section; passing the hydrocarbon stream from the recirculation section to an extraction section of the extraction vessel wherein the extraction section includes one or more liquid-liquid contacting decks; feeding a second alkaline stream to an upper deck of the one or more liquid-liquid contacting decks of the extraction section wherein the second alkaline stream includes a second alkaline solution; and withdrawing a hydrocarbon product stream from the extraction vessel. An apparatus for removing sulfur compounds from the hydrocarbon stream is also disclosed..
12/04/14
20140357926
Removal of sulfur compounds from natural gas streams
A process for treatment of a natural gas stream, or other methane containing stream that passes through a guard bed for removal of mercury and hydrolysis of cos, followed by treatment with an absorbent unit containing an amine solvent for removal of carbon dioxide and hydrogen sulfide. The gas is then dried by a molecular sieve bed.
12/04/14
20140357905
Method and system for producing nitrobenzene
The present invention relates to a process and a plant for the production, in particular the continuous production, of nitrobenzene by means of adiabatic nitration of benzene with nitric acid in the presence of sulfuric acid, in which, following the nitration, a multi-stage concentration of the sulfuric acid is carried out by means of heating at a pressure that is reduced as compared with ambient pressure, and wherein the heating takes place using the heat generated in the adiabatic nitration of benzene.. .
12/04/14
20140357858
P2x4 receptor antagonist
The present invention relates to a diazepine derivative represented by the following general formula (i) (in the formula, r1 and r2 represent hydrogen atom and the like, or r1 and r2 bind together to form a naphthalene ring and the like together with the benzene ring to which they bind, r3 and r4 represent hydrogen atom and the like, r5 represents hydrogen atom and the like, r6 and r7 represent hydrogen atom and the like, x represents c, ch or n, y represents n, nh or c(═o), provided that when x is n, y is not n or nh, and when x is c or ch, y is not c(═o), z represents oxygen atom or sulfur atom, a represents benzene ring and the like, b represents nhc(═o) and the like, d represents an atomic bond and the like, e represents an atomic bond and the like, g represents benzene which may be substituted and the like, and m represents an integer of 0 to 5) or a pharmacologically acceptable salt thereof, and a p2x4 receptor antagonist.. .
12/04/14
20140357835
Polymerizable composition for optical material, method for producing same, and method for producing optical material
By using a method for producing a composition for an optical material using (a) sulfur, (b) a compound having two intramolecular episulfide groups, (c) a compound having one or more (preferably two) sh groups, and (d) an amine compound having a specific structure, in which compound (a) and compound (c) are pre-polymerized in the presence of compound (b) using compound (d) as the pre-polymerization catalyst, the present invention provides a polymerizable composition for an optical material in which the viscosity elevation speed during pre-polymerization is slow and the reaction temperature is approximately room temperature, and that has a low viscosity and shows little increase in viscosity. By means of another embodiment of the present invention, it is possible to produce an optical material that has excellent mold release characteristics but has substantially no striae by polymerizing (a) sulfur, (b) a compound having two intramolecular episulfide groups, and (c) a compound having one or more sh groups in the presence of (d) a hindered amine catalyst having a specific structure..
12/04/14
20140357834
Aramid copolymer yarn having low residual sulfur
The present invention concerns yarn comprising polymer, the polymer comprising imidazole groups, the yarn having a sulfur content of 0.01 to 3.0 percent by weight, based on weight of the yarn, the yarn having a tenacity of 30 cn/dtex (33.3 gpd) or higher.. .
12/04/14
20140357812
Michael addition curing chemistries for sulfur-containing polymer compositions
The use of michael addition curing chemistries in compositions comprising sulfur-containing polymers such as polythioethers and polysulfides useful in aerospace sealant applications are disclosed. Sulfur-containing adducts comprising terminal michael acceptor groups are also disclosed..
12/04/14
20140357811
Michael addition curing chemistries for sulfur-containing polymer compositions
The use of michael addition curing chemistries in compositions comprising sulfur-containing polymers such as polythioethers and polysulfides useful in aerospace sealant applications are disclosed. Sulfur-containing adducts comprising terminal michael acceptor groups are also disclosed..
12/04/14
20140356915
Integrated biorefineries for production of sugars, fermentation products, and coproducts
Processes are described for fractionating lignocellulosic biomass into cellulose, hemicellulose, and lignin, comprising fractionating lignocellulosic biomass in the presence of a solvent for lignin (such as ethanol), a hydrolysis catalyst (such as sulfur dioxide), and water, to produce a liquor containing hemicellulose, cellulose-rich solids, and lignin; hydrolyzing the hemicellulose to produce hemicellulosic monomers; saccharifying the cellulose-rich solids to produce glucose; recovering the hemicellulosic monomers and the glucose, separately or in a combined stream, as fermentable sugars; and fermenting the fermentable sugars to a fermentation product having a higher normal boiling point than water. Process integration of mass and/or energy is disclosed in many specific embodiments.
12/04/14
20140356787
Resist composition, compound, polymeric compound and method of forming resist pattern
A resist composition comprising a compound (m0) (wherein rb1 represents an electron withdrawing group; rb2 and rb3 each independently represents an aryl group, an alkyl group or an alkenyl group, provided that rb2 and rb3 may be mutually bonded to form a ring with the sulfur atom; and x0− represents a monovalent counteranion).. .
12/04/14
20140356611
Sulfur and alkali metal containing imidazole fiber having ionically bound halides
The present invention concerns fiber made from a polymer comprising imidazole groups, the polymer further having: i) halide anions being present in an amount in the range of 0.05 to 20.1 weight percent, based on weight of fiber; ii) sulfur, wherein the sulfur is present in the fiber in an amount in the range of 0.05 to 3 weight percent, based on weight of fiber; and iii) alkali metal ion, wherein the alkali metal ion is present in the fiber in an amount in the range of 0.05 to 2 weight percent, based on weight of fiber.. .
12/04/14
20140356610
Sulfur-containing imidazole fiber having ionically bonded halides
The present invention concerns fiber made from a polymer comprising imidazole groups, fiber further having: i) a halide anion, the halide anion being present in an amount of 0.05 to 20.1 weight percent, based on weight of fiber; and ii) sulfur, wherein the sulfur is present in the fiber in an amount of 0.05 to 3 weight percent.. .
12/04/14
20140353858
Process for preparing aramid copolymer yarn having low residual sulfur
The present invention concerns methods for producing a yarn comprising the steps of: (a) producing a plurality of dope filaments by spinning a polymer solution in sulfuric acid through a multi-hole spinneret, the polymer comprising imidazole groups; (b) coagulating the plurality of dope filaments into an as-spun yarn; (c) contacting the yarn with an aqueous base having a pka less than or equal to 11; and (d) rinsing the yarn.. .
12/04/14
20140353646
Aromatic amine derivative and organic electroluminescence element using same
An aromatic amine derivative is represented by a formula (1-1) below. In the formula (1-1), r2 to r5 and r7 to r10 are each independently a hydrogen atom or a substituent.
12/04/14
20140353213
Hydroprocessing catalyst composition containing a heterocyclic polar compound, a method of making such a catalyst, and a process of using such catalyst
A composition that comprises a support material having incorporated therein a metal component and impregnated with an additive compound that is selected from the group of heterocyclic, polar compounds of the formula cxhnnyoz; wherein: x is an integer of at least 3; y is either 0, 1, 2, or 3; z is either 0, 1, 2, or 3; and n is the number of hydrogen atoms required to fill the remaining bonds with the carbon atoms of the molecule. The composition includes the support material that is impregnated with the additive compound and is useful in the hydroprocessing of hydrocarbon feedstocks, especially in the denitrogenation and desulfurization of distillate feedstocks to make ultra low sulfur diesel..
12/04/14
20140353212
Oxidative desulfurization of hydrocarbons
Separating the at least one oxidized organic sulfur-containing compound from the extraction solvent.. .
12/04/14
20140353166
Novel process for scalable synthesis of molybdenum disulfide monolayer and few-layer films
The present disclosure relates to nanosheet synthesis. More particularly, the present disclosure relates to molybdenum sulfide (mos2) atomic thin films and hydrogen evolution reactions.
12/04/14
20140353144
Carbon-based material, electrode catalyst, oxygen reduction electrode catalyst, gas diffusion electrode, aqueous solution electrolysis device, and method of preparing carbon-based material
A carbon-based material in accordance with the present invention includes graphene doped with metal atoms and at least one type of non-metal atoms selected from a group consisting of nitrogen atoms, boron atoms, sulfur atoms, and phosphorus atoms. A diffraction pattern obtained by x-ray diffraction measurement of the carbon-based material by use of cukα radiation showing that a proportion of the highest of intensities of peaks derived from an inactive metal compound and a metal crystal to an intensity of a (002) peak is 0.1 or less..
12/04/14
20140353112
Crude oil desulfurization
A method of removing sulfur from sour oil by subjecting sour oil having a first sulfur content to high shear in the presence of at least one desulfurizing agent to produce a high shear treated stream, wherein the at least one desulfurizing agent is selected from the group consisting of bases and inorganic salts, and separating both a sulfur-rich product and a sweetened oil product from the high shear-treated stream, wherein the sulfur-rich product comprises elemental sulfur and wherein the sweetened oil product has a second sulfur content that is less than the first sulfur content. A system for reducing the sulfur content of sour oil via at least one high shear device comprising at least one rotor and at least one complementarily-shaped stator, and at least one separation device configured to separate a sulfur-rich product and sweetened oil from the high shear-treated stream..


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