|| List of recent Ethane-related patents
| Fuel gas conditioning process using glassy polymer membranes|
Disclosed herein is a process for conditioning natural gas containing c3+ hydrocarbons, so that it can be used as combustion fuel to run gas-powered equipment, including gas engines and turbine-driven compressors, in the gas field or the gas processing plant. The claimed process use glassy polymeric membranes that are preferentially permeable to methane over c2+ hydrocarbons to produce a partially purified methane stream.
| Oxidative coupling of methane systems and methods|
Systems and methods conducive to the formation of one or more alkene hydrocarbons using a methane source and an oxidant in an oxidative coupling of methane (ocm) reaction are provided. One or more vessels each containing one or more catalyst beds containing one or more catalysts each having similar or differing chemical composition or physical form may be used.
| Thermoplastic polyurethane with reduced tendency to bloom from a bio-based glycol|
The present invention discloses a thermoplastic polyurethane comprised of the reaction product of (1) a hydroxyl terminated polyester intermediate, (2) a polyisocyanate, and (3) a glycol chain extender; wherein the polyester intermediate is comprised of repeat units derived from a 1,3-propylene glycol component and a dicarboxylic acid wherein the 1,3-propylene glycol component comprises a bio-based 1,3-propylene glycol; wherein the polyester intermediate has a number average molecular weight from 500 to 10,000; and wherein the polyurethane includes hard segments that are the reaction product of the polyisocyanate and the glycol chain extender. This thermoplastic polyurethane is unique as it has a greatly reduced tendency to bloom and is prepared from a renewable material.
| Moulded parts consisting of reinforced polyurethane urea elastomers and use thereof|
The invention relates to moulded parts provided with reinforcing materials and consisting of polyurethane urea elastomers having defined urea and urethane contents, and to the use thereof.. .
| Hydrophilic polyester polycarbonate polyols for high temperature diesel applications|
Embodiments of the invention generally relate to polyols having resistance to hydrocarbons and articles made therefrom. More specifically, embodiments of the invention generally relate to hydrophilic polyester-polycarbonate polyols having resistance to hydrocarbons at high temperatures and articles made therefrom.
| Solvent free polyurethane laminating adhesive with high oxygen transfer rate|
A solventless two component laminating adhesive comprising a part a prepolymer and a part b curative. The prepolymer comprises a lower molecular weight polyether polyol and a higher molecular weight polyether polyol.
| Fluorine-containing curable resin, active energy beam-curable composition, and cured product thereof|
The present invention provides a fluorine-containing curable resin that can impart high stain resistant properties to the surface of a cured coating film and can exhibit high stain resistant properties even when curing is performed in an air atmosphere (in the presence of oxygen). It is also an object to provide an active-energy-ray-curable composition that uses the fluorine-containing curable resin and can exhibit high stain resistant properties even when curing is performed in an air atmosphere and a cured product of the active-energy-ray-curable composition.
| Plasticizers for resin compositions and resin compositions including the same|
Provided are a plasticizer for a resin composition including any one or more selected from a polyvinyl chloride resin, a polyurethane resin, an epoxy resin, a polycarbonate resin or a biodegradable resin, which has excellent mechanical properties such as tensile strength, elongation and hardness, and shape processability, and particularly has excellent flexibility at low temperatures, does not cause bleeding because compatibility with the resins is good, and has excellent transparency, heat resistance, cold resistance and durability, and a resin composition including the same.. .
| Process for the preparation of polyether polyols|
The invention relates to a method for producing polyether carbonate polyols, wherein (i) in a first step a polyether carbonate polyol is produced from one or more h-functional starter substances, one or more alkylene oxides, and carbon dioxide in the presence of at least one dmc catalyst, and (ii) in a second step the polyether carbonate polyol is chain-extended with a mixture of at least two different alkylene oxides in the presence of at least one dmc catalyst. The invention further relates to polyether carbonate polyols that contain a terminal mixed block of at least two alkylene oxides and to a method for producing soft polyurethane foams, wherein a polyol component containing a polyether carbonate polyol according to the invention is used..
| Closed-cell polyurethane structure method and system|
A container is provided that may include a transparent portion that reveals an interior portion of the container, an access aperture communicating with the interior portion of the container, and a lid adjacent the access aperture. A first component is placed into the interior portion.
| Hydrophilic polyurethane foam with low volume swelling|
The invention relates to a specific composition comprising a) isocyanate-functional prepolymers obtainable by reaction of a1) aliphatic diisocyanates with a2) di- to hexa-functional polyalkylene oxides having an ethylene oxide content of 50 to 100 mol %, based on the total amount of the oxyalkylene groups present, b) an aqueous polyurethane suspension, an aqueous polyacrylate suspension or aqueous silica sols, especially for production of hydrophilic, aliphatic polyurethane foams. The invention further provides a process for producing a hydrophilic, aliphatic polyurethane foam, based on the inventive composition, a polyurethane foam obtainable by the process and a wound dressing comprising the polyurethane foam..
| Water-swellable polymers|
A water-swellable linear polyurethane polymer is formed by reacting a polyethylene oxide (e.g. Peg 4000 to 35,000), a difunctional compound (e.g.
| Metal-supported catalyst structures and processes for manufacturing the same|
The present invention relates to methods for producing metal-supported thin layer skeletal catalyst structures, to methods for producing catalyst support structures without separately applying an intermediate washcoat layer, and to novel catalyst compositions produced by these methods. Catalyst precursors may be interdiffused with the underlying metal support then activated to create catalytically active skeletal alloy surfaces.
| Golf ball with translucent cover|
The present invention is directed a golf ball comprising a core and a cover and an optional intermediate layer disposed between the core and cover, wherein at least one of the core and the intermediate layer comprises any pantone matching system color including blue, green, yellow, pink, or orange having an l* value of about 80 or less; and wherein the cover comprises a translucent thermoset polyurethane material and an amount of pigment or dye such that the cover has any pantone matching system color including blue, green, yellow, pink, or orange that has an l* value of about 80 or less. The thermoset polyurethane material may be formed from an aliphatic isocyanate-based composition..
| Polishing pad and manufacturing method therefor|
Provided are a polishing pad which remedies the problem of scratches occurring when a conventional hard (dry) polishing pad is used, which is excellent in polishing rate and polishing uniformity, and which can be used for not only primary polishing but also finish polishing, and a manufacturing method therefor. The polishing pad is a polishing pad for polishing a semiconductor device, comprising a polishing layer having a polyurethane-polyurea resin foam containing substantially spherical cells, wherein the polyurethane-polyurea resin foam has a young's modulus e in a range from 450 to 30000 kpa, and a density d in a range from 0.30 to 0.60 g/cm3..
| Flame resistant composition, fiber reinforced polyurethane based composite comprising the flame resistant composition and the use thereof|
The present invention relates to a flame-resistant composition, a fiber-reinforced polyurethane composite comprising the flame-resistant composition and the use thereof. In particular, the invention describes a flame-resistant polyurethane-composite forming composition and a combustion-modified, fiber-reinforced polyurethane composite comprising the flame-resistant polyurethane-composite forming composition, for applications in vehicles and for building products.
| Biogas from enzyme-treated bagasse|
The present invention relates to a process for treatment of a bagasse-derived material which treatment increases the degradability of the lignocellulosic fibres. In particular the invention relates to methane production from enzymatically treated bagasse-derived material, where the enzyme-treatment of the invention is used to increase the methane production in comparison with untreated bagasse..
| Energy cell temperature management|
A temperature regulation and management system is provide that has an inner wall and an outer wall forming a space for accommodating a phase change material (pcm) with the space between the walls, in one or both of the walls, or a combination of such locations. The inner wall is in contact with an object that requires temperature regulation within a specified operating range, such as a vehicle battery pack.
| Method of producing flexible laminates|
A method of producing a flexible laminate and a flexible laminate produced by the method are provided. The method involves laminating flexible substrates with a urethane adhesive and allowing the urethane adhesive to cure.
| Optical article including an antireflection coating having improved crack-resistance properties under mechanical stress|
The invention relates to an optical article including a transparent organic glass substrate, a primary coating including polyurethane and particulate silica, an abrasion-resistant coating, and an antireflection coating, said coatings, and in particular the antireflection coating, having improved crack resistance when the optical article is subjected to high amounts of mechanical stress, e.g., during edge-grinding and the mounting of lenses in eyeglass frames. The invention also relates to a method for manufacturing such an article..
| Acoustical vinyl flooring and methods of manufacture|
An acoustical vinyl tile having an integral acoustical layer is disclosed. The vinyl tile includes a vinyl portion, an acoustical portion, and an adhesive layer for fixing the vinyl portion to the acoustical portion.
| Closed-cell polyurethane structure method and system|
A container is provided that may include a transparent portion that reveals an interior portion of the container and an access aperture communicating with the interior portion of the container. A first component is placed into the interior portion.
| D1364 bt secondary coatings on optical fiber|
The invention relates to a radiation curable secondary coating composition for use on an optical fiber. The radiation curable secondary coating composition is a urethane-free alpha oligomer prepared by reaction of the following: (a) an acrylate compound selected from an alcohol-containing acrylate or alcohol-containing methacrylate compound, (b) an anhydride compound, (c) an epoxy-containing compound, (d) optionally an extender compound, and (e) optionally a catalyst.
| Cosmetic polyurethaneurea copolymer composition|
The present invention relates to a cosmetic polyurethaneurea copolymer composition comprising a solvent, a polyurethaneurea and a copolymer, said polyurethaneurea being obtainable by reacting a single polyisocyanate component containing at least 75 mol % of ipdi, at least one polymeric polyol component, at least one hydrophilizing component and a single diamine component containing at least 75 mol % of ipda, and said copolymer being obtainable by reaction of at least one monomer including acrylate groups with at least one further monomer. The invention further provides for the use of the cosmetic composition in cosmetics and a method for shaping hairstyles using the cosmetic composition..
| Encapsulated load-securement bulkhead and method of manufacture|
An encapsulated bulkhead for use as a void filler to secure and protect cargo loads during transportation, such as in rail cars or trucks, is described. The encapsulated bulkhead includes a bulkhead member and an encapsulation or coating.
| Electrophotographic member and electrophotographic apparatus|
Provided is an electrophotographic member, which hardly changes in performance even when being left to stand for a long time period. The electrophotographic member comprises a support, an elastic layer formed on the support, and a surface layer covering a surface of the elastic layer and containing a urethane resin, and in which the urethane resin comprises a reaction product of: a hydroxyl group-terminated prepolymer obtained by reacting a polyester polyol with a polyisocyanate; and an isocyanate-terminated prepolymer obtained by reacting a polyester polyol with a polyisocyanate..
| Golf balls including a crosslinked thermoplastic polyurethane cover layer having improved scuff resistance|
This disclosure relates to golf balls having a cover layer made from a crosslinked thermoplastic polyurethane elastomer. The crosslinked thermoplastic polyurethane elastomer includes crosslinks located in the hard segments, where the crosslinks being the reaction product of unsaturated bonds located in the hard segments catalyzed by a free radical initiator.
| Coated leather|
A coated leather, in particular split cowhide leather, has a preferably nubuck-like appearing surface structure. The coating is formed with a surface layer formed with a mechanically and moisture-stable polymer and bonded to the surface of the leather or split leather by a polymer-based bonding layer.
|Antimicrobial hydrogel formulation|
A hydrogel formulation is provided for use with a film. The hydrogel formulation includes a medical-grade hydrogel and an antimicrobial substance.
|Efficient, self sufficient production of methanol from a methane source via oxidative bi-reforming|
A method for producing methanol from a methane source such as methane from natural (shale) gas by first reacting one equivalent of methane with oxygen from the air to result in complete combustion to produce carbon dioxide and water in a molar ratio of 1:2; then conducting a bi-reforming process with a mixture of methane: carbon dioxide:water having a ratio of 3:1:2 to produce metgas, a mixture of hydrogen and carbon monoxide having a molar ratio of 2:1 to 2.1:1; and finally converting metgas exclusively to methanol. The thus produced methanol can be dehydrated to form dimethyl ether, with water produced being recycled back to the bi-reforming process, if necessary..
|Blends of micronized polyphenylene ether and thermoplastic polyurethanes blend|
Also disclosed are processes for preparing such blends as well as articles derived therefrom.. .
|Method for filling concrete block cavities with expanding foam insulation|
The invention described herein generally pertains to the use of low boiling point, low vapor pressure blowing agents with froth polyurethane or polyisocyanurate foams to achieve superior cavity filling than when using conventional higher vapor pressure or more ozone-depleting blowing agents.. .
|Polyester polyol-containing polyurethane systems having improved hydrolytic stability|
An isocyanate reactive composition for making a polyurethane foam includes a tertiary amine urethane catalyst comprising a di(c1-c4)alkyl fatty alkyl amine and a polyester polyol. The use of one or more of fatty alkyl tertiary amine serves to reduce hydrolysis of the polyester polyol in the isocyanate reactive composition..
|Synergistic antimicrobial composition of 1,2-benzisothiazolin-3-one and tris(hydroxymethyl)nitromethane|
A synergistic antimicrobial composition containing 1,2-benzisothiazolin-3-one and tris(hydroxymethyl)nitromethane.. .
|Urethane resin composition and a conductive roller using same|
Provided is a urethane resin composition by which an electrically conductive roller which has a higher elasticity than ever and in which an air bubble in an elastic layer is fine can be obtained when the urethane resin composition is used for the elastic layer of the electrically conductive roller, and an electrically conductive roller using the same. The urethane resin composition comprises: a urethane resin having a carboxyl group on a side chain; a cross-linking agent having an epoxy group; and an ester composed of a sugar and an unbranched saturated fatty acid having 16 to 24 carbon atoms as a foaming agent.
|Coating compositions for electrode compositions and their methods of making|
Compositions and methods of making are provided for coated electrodes and batteries comprising the same. The compositions may comprise a base composition having an active material selected from the group consisting of licoo2, limn2o4, li2mno3, linio2, limn1.5ni0.5o4, lifepo4, li2fepo4f, li3conimno6, li(lianixmnycoz)o2, and mixtures thereof.
|Feed additive based on encapsulated nitrates and sulfates to reduce methane emission derived from ruminal fermentation|
Feed additives and feed supplements for ruminants in a granular shape containing nitrates and sulfates encapsulated with vegetable fats in order to allow a slow release in the ruminal digestive tract, aiming at reducing methane emission originated by the fermentative processes of the animal digestive tract.. .
|Biodegradable polyurethane/urea compositions|
The present invention relates to biocompatible, biodegradable polyurethane/urea polymeric compositions that are capable of in-vivo curing with low heat generation to form materials suitable for use in scaffolds in tissue engineering applications such as bone and cartilage repair. The polymers are desirably flowable and injectable and can support living biological components to aid in the healing process.
|D1363 bt radiation curable primary coatings on optical fiber|
Radiation curable coatings for use as a primary coating for optical fibers, optical fibers coated with said coatings and methods for the preparation of coated optical fibers. The radiation curable coating comprises at least one (meth)acrylate functional oligomer and a photoinitiator, wherein the urethane-(meth)acrylate oligomer ca/cr comprises (meth)acrylate groups, at least one polyol backbone and urethane groups, wherein about 15% or more of the urethane groups are derived from one or both of 2,4- and 2,6-toluene diisocyanate, wherein at least 15% of the urethane groups are derived from a cyclic or branched aliphatic isocyanate, and wherein said (meth)acrylate functional oligomer has a number average molecular weight of from at least about 4000 g/mol to less than or equal to about 15,000 g/mol; and wherein a cured film of the radiation curable primary coating composition has a modulus of less than or equal to about 1.2 mpa..
|Interference compensated photoionization detector|
An integrated sensor of volatile organic gas can include a photoionization detector (pid) and one or more additional detectors such as an infrared detector, a catalytic combustion detector, or an electrochemical detector. One embodiment includes a methane detector that allows correction of the pid measurements for the interference of methane with the pid and/or allows a combination of measurements of the sensors to measure a total hydrocarbon concentration.
|Xcl power producer|
The xcl power producer works by moving molecules to said bodies and continues to move at uniform velocities acted upon vacuum pressures by force, which creates an acceleration of energy production. Produces 45,000 volts @ 300 amps every 4 minutes for a 14 year cycle, continually, as a main power source or back-up system.
|Methods to synthesize nipt bimetallic nanoparticles by a reversed-phase microemulsion, deposition of nipt bimetallic nanoparticles on a support, and application of the supported catalyst for co2 reforming of methane|
Embodiments of the present disclosure provide for nipt nanoparticles, compositions and supports including nipt nanoparticles, methods of making nipt nanoparticles, methods of supporting nipt nanoparticles, methods of using nipt nanoparticles, and the like.. .
|Method and apparatus for use of microbes and other gas stimulants in radial enhancement drilling fluid|
Microbes, nutrients or other gas stimulants are employed in the drilling fluid that is used to cut radial jet laterals or laterals of any shape or size into subsurface coal formations and other hydrocarbon formations. By employing solutions used for microbial methane farming and the like directly in radial jet enhancement drilling, microbes, nutrients or other stimulants are injected deeper into subsurface coal formations and over a much larger surface area, greatly enhancing the ability to “farm gas” from mature or depleted wells..