This page is updated frequently with new Ethane-related patent applications.
| Method for separating a hydrocarbon mixture containing hydrogen, separating device, and olefin plant|
A method for separating a hydrogen-containing hydrocarbon mixture (c2minus), which in addition to the hydrogen essentially contains hydrocarbons with two carbon atoms and methane, using a distillation column (10). Fluid (a, c, e) of the hydrocarbon mixture (c2minus) is cooled stepwise at a first pressure level, during which time first condensates (b, d) are separated from the fluid (a, c, e).
| Liquid composition for etching oxides comprising indium, zinc, tin, and oxygen and etching method|
Provided is a liquid etching composition that etches an oxide comprising indium, zinc, tin and oxygen at a preferable etching rate, without the etching rate being changed much along with the dissolution of the oxide, and with no substantial generation of deposit, and corrodes wiring materials at such a low level to be ignorable. The present invention uses a liquid etching composition comprising (a) at least one selected from the group consisting of sulfuric acid, methanesulfonic acid, and a salt of any of these acids; and water; the liquid etching composition having a ph value of −1 to 3..
Mitsubishi Gas Chemical Company, Inc.
| Using non-regulated synthetic acid compositions as alternatives to conventional acids in the oil and gas industry|
A synthetic acid composition for use in oil industry activities, said composition comprising: urea and methanesulphonic acid in a molar ratio of not less than 0.1:1; a metal iodide or iodate; an alcohol or derivative thereof.. .
Fluid Energy Group Ltd.
| Novel organic acid compositions for use in the oil and gas industry|
An organic acid composition for use in oil industry activities, said composition comprising: methane sulphonic acid; a metal iodide or iodate; and an alcohol or derivative thereof. The uses include: injection/disposal in wells; squeezes and soaks or bullheads; acid fracturing; acid washes or matrix stimulations; fracturing spearheads (breakdowns); pipeline scale treatments; cement breakdowns or perforation cleaning; ph control; and de-scaling applications..
Fluid Energy Group Ltd.
| Working fluid for heat cycle, composition for heat cycle system, and heat cycle system|
To provide a working fluid for heat cycle which has a small temperature glide, a sufficiently low discharge temperature, high durability and less influence over global warming, and with which a heat cycle system excellent in the system maintenance properties and the cycle performance (capacity) is achieved, a composition for a heat cycle system, and a heat cycle system. A working fluid for heat cycle, which contains trifluoroethylene and difluoromethane, wherein the proportion of the total amount of trifluoroethylene and difluoromethane based on the entire amount of the working fluid for heat cycle is higher than 90 mass % and at most 100 mass %, and the mass ratio represented by trifluoroethylene/difluoromethane in the working fluid for heat cycle is from 41/59 to 59/41, a composition for a heat cycle system, and a heat cycle system employing the composition..
Asahi Glass Company, Limited
| Waterborne coating composition|
In one embodiment, a single component waterborne coating composition includes water; a branched polyester polyurethane dispersion; a polycarbonate polyurethane dispersion blend including a branched polycarbonate pud and an unbranched, hydroxyl functional, polycarbonate polyurethane dispersion; and a fluorinated acrylic latex resin. In another embodiment, the fluorinated acrylic latex resin may be replaced with a hybrid resin selected from the group consisting of a fluorinated acrylic and polyester polyurethane dispersion hybrid resin and a fluorinated acrylic and polycarbonate polyurethane dispersion hybrid resin..
The Sherwin-williams Company
| Liquefied wood coating|
Disclosed are various embodiments relating to a liquefied wood coating that can be applied to virtually any surface. The liquefied wood coating contains a micronized wood powder, a non-elastomeric resin with high adhesion properties, and an elastomeric resin for flexibility.
Advanced Wood Paint, Llc
| Method for producing a multicoat paint system|
The present invention relates to a method for producing a multicoat paint system on a metallic substrate, in which a basecoat or a plurality of directly successive basecoats are produced directly on a metallic substrate coated with a cured electrocoat, a clearcoat is produced directly on the one basecoat or the uppermost of the plurality of basecoats, and then the one or more basecoats and the clearcoat are jointly cured, and wherein at least one basecoat material used for production of the basecoats comprises the following components: an aqueous dispersion comprising at least one specific copolymer, a specific linear hydroxy-functional reaction product and a polyurethane resin, the preparation of which involves using at least one compound containing at least one carboxylic acid group and at least one group reactive toward isocyanate groups.. .
Basf Coatings Gmbh
| Process to improve the yield of chemical polyurethane foam recycling|
A process to enhance the chemical recycling of polyurethane foam comprises improving the process of grinding (which is a necessary precursor to chemolysis reactions), by employing a wetting process, concurrent with grinding, which reduces the loss of foam during grinding process.. .
Polymer Research Technologies Ltd.
| Method of making hydroxymethylphosphonate, foam-forming compositions, polyurethane foam and articles made therefrom|
There is provided herein a method of making hydroxymethylphosphonate comprising reacting paraformaldehyde, at least one dialkyl phosphite and at least one trialkyl phosphite, in the presence of at least one amine catalyst. .
Icl-ip America Inc.
Flame retardant and auto-catalytic polyesters for polyurethanes
Flame retardant polyesters obtainable by reacting an aromatic or aliphatic dicarboxylic acid and/or ester of anhydride thereof, with an aliphatic polyol or mixtures thereof and with melamine, are provided. Methods of making said polyesters are also provided..
Coim Asia Pacific Pte. Ltd.
Method for producing polyurethane rigid foams and polyisocyanurate rigid foams
The present invention relates to polyester polyols obtainable or obtained by esterification of 10 to 70 mol % of at least one compound from the group consisting of terephthalic acid (tpa), dimethyl terephthalate (dmt), polyethylene terephthalate (pet), phthalic anhydride (pa), phthalic acid and isophthalic acid, 0.1 to 30 mol % of one or more fatty acids and/or fatty acid derivatives, 10 to 70 mol % of one or more aliphatic or cycloaliphatic diols having 2 to 18 carbon atoms or alkoxylates thereof, 5 to 70 mol % of a polyether polyol prepared by alkoxylating an aromatic starter molecule having a functionality of not less than 2, and of 0 to 70 mol % of a tri- or polyol other than the polyether polyol, all based on the total amount of the components used, wherein the amounts used of the components add up to 100 mol %. The present invention further relates to a process for producing rigid polyurethane or polyisocyanurate foams which comprises reacting an isocyanate component with a polyol component (pk) comprising a polyester polyol of the present invention and further components, to the polyol component as such and also to the rigid polyurethane or polyisocyanurate foams obtainable or obtained by a process of the present invention.
Reactive amine catalysts for polyurethane applications
Tertiary amine catalysts having isocyanate reactive groups that are capable of forming thermally stable covalent bonds able to withstand temperatures up to 120° c. Are disclosed.
Air Products And Chemicals, Inc.
Softening thermoplastic polyurethanes using ionomer technology
In one or more embodiments, the present invention provides a novel approach to the addition of plasticizers for softening tpus, i.e., lowering the durometer and the melt viscosity. This approach involves incorporating bonded sulfonate groups with quaternary ammonium counterions into the tpu.
Integrated process for the production of z-1,1,1,4,4,4-hexafluoro-2-butene
Disclosed is a process for the preparation of cis-1,1,1,4,4,4-hexafluoro-2-butene comprising contacting 1,1,1-trifluorotrichloroethane with hydrogen in the presence of a catalyst comprising ruthenium to produce a product mixture comprising 1316mxx, recovering said 1316mxx as a mixture of z- and e-isomers, contacting said 1316mxx with hydrogen, in the presence of a catalyst selected from the group consisting of copper on carbon, nickel on carbon, copper and nickel on carbon and copper and palladium on carbon, to produce a second product mixture, comprising e- or z-cfc-1326mxz, and subjecting said second product mixture to a separation step to provide e- or z-1326mxz. The e- or z-1326mxz can be dehydrochlorinated in an aqueous basic solution with an alkali metal hydroxide in the presence of a phase transfer catalyst to produce hexafluoro-2-butyne, which can then be selectively hydrogenated to produce z-1,1,1,4,4,4-hexafluoro-2-butene using either lindlar's catalyst, or a palladium catalyst further comprising a lantanide element or silver..
The Chemours Company Fc, Llc
Instrumental gas mattress and instrumental bag assembly
An instrumental gas mattress uses gas to buffer outside impact so as to prevent damage to the instrument. The entire weight is greatly reduced to 7 to 10 kg compared to the conventional bag assembly with using polyurethane foam.
Polyether urethane deicer boots
A deicer includes an aircraft structure and an outer layer with a sheet having a brittle point lower than −40° c. (−40° f.).
Urethane bumper spring, and producing same
A urethane bumper spring is produced from a urethane raw material containing a polyester-based polyol as a polyol component and diphenylmethane diisocyanate as an isocyanate component, and includes: a skin layer; and a core portion, in which the skin layer has a density (da) and a foamed cell diameter (ra), and the core portion has a density (db) and a foamed cell diameter (rb). The density (da), the foamed cell diameter (ra), the density (db), and the foamed cell diameter (rb) satisfy relationships shown in the following expressions: 1.0≦da/db<1.34 (1) and 0.53<ra/rb≦1.0 (2).
Sumitomo Riko Company Limited
Picture using salt and manufacturing method therefor
The present invention relates to a picture using salt, the picture making up for the disadvantages, of salt, of having weak moisture resistance and being easily broken, by using excellent adhesive strength, waterproofness and corrosion resistance of polyurethane, thereby widening the application of salt by allowing salt to have strong moisture resistance and to be firmly adhered to a manufacturing plate; and a manufacturing method therefor.. .
Flexible microsphere articles having high temperature stability
There is provided an article a binder resin layer comprising an aliphatic polyurethane polymer comprising a plurality of soft segments, and a plurality of hard segments, where the soft segments comprise poly(alkoxy) polyol, and where the poly(alkoxy) polyol is essentially free of crosslinker; and a plurality of microspheres partially embedded and adhered to a first major surface of the binder resin layer, wherein the specific chemical identities and relative amounts of the segments and moieties of the aliphatic polyurethane polymer are sufficient to impart a glass transition temperature of 10° c. Or less in the article and a storage modulus in the article that changes less than 15 mpa from 25° c.
3m Innovavtive Properties Company
Composite electronic component
A composite electronic component includes a composite body in which a capacitor and an inductor are coupled to each other, the capacitor including a ceramic body in which a plurality of dielectric layers and first and second internal electrodes disposed to face each other with at least one among the plurality of dielectric layers interposed therebetween are stacked, and the inductor including a magnetic body including a coil part. The inductor and the capacitor are coupled to each other by an adhesive containing a first epoxy resin including a urethane modified epoxy (ume) resin, a second epoxy resin including a bisphenol a type resin, and a latent curing agent..
Samsung Electro-mechanics Co., Ltd.
Thermoplastic polyurethane compound composition for coated yarn and manufacturing coated yarn using the thermoplastic polyurethane compound
The present invention provides a method for manufacturing a coated yarn having outstanding physical properties, the method comprising: collecting thermoplastic polyurethane in virgin form, as scraps remaining after being suitably used for airbag patterns in a shoe manufacturing process, or as scraps remaining after other thermoplastic polyurethane is processed; mixing the various kinds of thermoplastic polyurethane with various additives; compounding the resultant mixture using an extruder to prepare a thermoplastic polyurethane compound for a coated yarn; and coating the surface of a yarn made from polyester, nylon, spandex, etc. With the compound using an extruder..
Liquid-absorbent composite nonwoven fabric and articles thereof
A composite nonwoven fabric and articles comprising the composite nonwoven fabric are provided. The composite nonwoven fabric comprises a population of meltblown fibers comprising an aliphatic polyether thermoplastic polyurethane polymer having at least about 80% (by weight) polyalkylene oxide and a population of staple fibers intermixed and entangled therewith..
3m Innovative Properties Company
Sequential removal of ngls from a natural gas stream
Disclosed is a method of sequentially separating and recovering one or more ngls (129, 229) from a natural gas feedstream (3). Specifically, a raw natural gas feedstream (3) is passed through two or more ngls separation unit (100, 200) wherein each separation unit removes one or more ngls from the natural gas feedstream to provide a methane-rich natural gas supply (205).
Dow Global Technologies Llc
Polyisocyanate composition, two-component curable polyurethane resin, coating, adhesive, and producing polyisocyanate composition
A polyisocyanate composition produced by reaction of xylylenediisocyanate with trimethylolalkane, the isocyanate derivative content relative to a total amount of the polyisocyanate composition is 45 mass % or less, the isocyanate derivative being produced by reaction of 3 molecules of xylylenediisocyanate with 1 molecule of trimethylolalkane.. .
Mitsui Chemicals, Inc.
Oxirane (ethylene oxide) polyurethane coatings
The present invention relates to hydrophilic, i.e., water loving coatings (hereafter referred to as “wlc”). Polyurethane epoxy alkylene oxide coatings usable as coatings on for example, medical devices are a preferred wlc.
Lake Region Manufacturing, Inc.
Blend membranes based on polybenzimidazole (pbi) and polymeric ionic liquids (pils) and a process for the preparation thereof
Blend membranes based on polybenzimidazole (pbi) and polymeric ionic liquids (pils), wherein said pbi and aliphatic pil blend enhances h+ and oh− ions conductivity, are provided. In particular, the blend membrane includes polybenzimidazole (pbi) and poly (diallyl dimethyl ammonium) trifluoromethane sulphonate with enhanced proton and hydroxyl ion conductivity..
Council Of Scientific And Industrial Research
Modified thermoplastic polyurethane rolling film and preparation method
This present invention discloses a modified thermoplastic polyurethane (tpu) rolling film and relates to a preparation method thereof. The modified thermoplastic polyurethane (tpu) rolling film comprises: 100 parts by weight of tpu resin, 3 to 8 parts by weight of thermoplastic polyolefin (tpo) resin, 5 to 10 parts by weight of thermo plastic silicone vulcanizate (tpsiv) resin, 5 to 15 parts by weight of tpu color masterbatch, 0.5 to 1.5 parts by weight of antioxidant, 0.5 to 1.5 parts by weight of light stabilizer, 10 to 15 parts by weight of flame retardant, and 0.03 to 0.1 parts by weight of compound lubricant.
Method for producing a thermoplastic copolymers from polycaprolactam and thermoplastic polyurethane
The present invention relates to a process for preparing a thermoplastic copolymer from polycaprolactam and thermoplastic polyurethane (tpu), to thermoplastic copolymers thus obtained and to shaped articles formed from copolymers of this type.. .
Novel polyol compositions, a process for the production of these polyol compositions, and their use in the production of open celled polyurethane foams having high airflow
This invention relates to a novel polyol composition and a process for preparing these polyol compositions. These novel polyol compositions comprise (a) an in-situ formed polyol blend which comprises (i) one or more polyether monols and (ii) one or more polyether polyols; and (b) a polyether polyol.
Direct oxidation of methane to formaldehyde and methanol
A process for the direct oxidation of methane to c1-oxygenates (formaldehyde and methanol) has been developed. The process involves a gas stream, comprising methane, an oxidizing agent (such as air, or oxygen blended with an inert diluent), and a nitrogen oxide as a gas phase sensitizer at oxidation conditions to produce c1-oxygenates, such as formaldehyde and methanol.
Fracking with co2 for shale gas reforming to methanol
A method of producing methanol from shale gas and co2 by the exclusive dry co2 fracking of shale rock by injection of gaseous co2 at a pressure between 10 and 100 atm to extract shale gas and recover it together with used co2; combining and admixing produced shale gas containing co2 and steam to produce a mixture of methane:carbon dioxide:water having a molar ratio of 3:1:2 for conducting the bi-reforming reaction to form a mixture of hydrogen and carbon monoxide having a molar ratio of 2:1 to 2.1:1; and converting the hydrogen and carbon monoxide under conditions sufficient to exclusively form methanol.. .
University Of Southern California
Catalysts for petrochemical catalysis
Metal oxide catalysts comprising various dopants are provided. The catalysts are useful as heterogenous catalysts in a variety of catalytic reactions, for example, the oxidative coupling of methane to c2 hydrocarbons such as ethane and ethylene.
Siluria Technologies, Inc.
Steam methane reforming reactor with hydrogen selective membrane
The steam methane reforming reactor includes a substantially cylindrical housing or shell and a tube disposed concentrically within the substantially cylindrical shell. The tube includes one or more catalysts.
King Fahd University Of Petroleum And Minerals
A storing a gas in a metal organic framework and dissolved in a liquid carrier
The invention relates a method for storing a solution of methane and a c2-c30 hydrocarbon, the method comprising: mixing gaseous methane and a c2-c30 hydrocarbon to provide a mixture of methane and c2-c30 hydrocarbon, wherein the mixture comprises greater than or equal to about 50 mole percent of methane; maintaining the mixture of methane and c2-c30 hydrocarbon as a liquid solution at a pressure of 30 to 150 bar within a storage vessel, wherein the storage vessel comprises a porous adsorbent framework. The invention also relates to similar methods for storing hydrogen, nitrogen and carbon dioxide.
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