This page is updated frequently with new Carboxylic Acid-related patent applications.
| Organic electroluminescent materials and devices|
Is provided. In the structure of formula i, each one of x1 to x16 is independently crx or n; each rx and r are independently selected from the group consisting of hydrogen, deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carbonyl, carboxylic acids, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, carbazole, azacarbazole, dibenzofuran, dibenzothiophene, dibenzoselenophene, azadibenzofuran, azadibenzothiophene, azadibenzoselenophene, triphenylene, azatriphenylene, and combinations thereof; and any adjacent rx can join to form fused or unfused rings.
| Fiber cord for reinforcement and producing the same|
A fiber cord for reinforcement has an adhesive treatment agent attached to a surface thereof and includes, in an inner layer part thereof, two kinds of compounds each having a molecular weight of less than 1,000. The main compound is an aromatic compound or contains an α-dicarboxylic acid component, and the other compound is an aliphatic compound or an alicyclic compound.
| Host cells and methods for producing diacid compounds|
The present invention provides for a genetically modified host cell and related methods and materials for the biocatalytic production of an α,ω-dicarboxylic acids (dcas) and/or mono-methyl ester derivatives of dicarboxylic acids (dcammes).. .
The Regents Of The University Of California
| Epoxy-fortified floor polishes|
An aqueous composition comprising: (a) an aromatic-acrylic polymer comprising from 3 to 11 wt % polymerized units of c3-c6 carboxylic acid monomers and from 0.2 to 3 wt % polymerized units of anti-agglomerating monomers; (b) a reactive polyfunctional thermosetting resin; (c) a polyvalent metal ion; and (d) a polyfunctional curing agent, wherein the curing agent is stored separately from the thermosetting resin.. .
Dow Global Technologies Llc
| Polishing composition and polishing magnetic disk substrate|
Embodiments of the invention provide a polishing composition including colloidal silica, pulverized wet-process silica particles, and a water-soluble polymer compound, wherein the water-soluble polymer compound is a polymer or copolymer having a constituent unit derived from an unsaturated aliphatic carboxylic acid. Various embodiments achieve a high polishing rate and obtain a good surface smoothness and end-face shape without the use of alumina particles..
Yamaguchi Seiken Kogyo Co., Ltd.
| Mill base composition and uv curable ink composition comprising same|
A mill base composition includes a compound comprising a divinyl ester of a dicarboxylic acid, a dispersing agent, and a pigment. The divinyl ester of the carboxylic acid includes from 2 to about 8 carbon atoms.
Hewlett-packard Industrial Printing Ltd.
| Coated steel sheet and exterior building material|
A coated steel sheet comprises: a steel sheet; a primer coating film which is arranged on the steel sheet and comprises an anti-corrosive pigment and an aggregate composed of primary particles; and a top coating film which is arranged on the primer coating film. The anti-corrosive pigment comprises at least one compound selected from the group consisting of a bivalent tin salt, a trivalent vanadium salt, a tetravalent vanadium salt, a tetravalent molybdenum salt, an oxycarboxylic acid salt, an ascorbic acid, a phosphorous acid salt and a hypophosphorous acid salt..
Nisshin Steel Co., Ltd.
| Process for the preparation of modified silica, modified silica and its uses, in particular for the reinforcement of polymers|
The invention relates to a process for the preparation of a modified silica comprising the step of adsorbing at least one polycarboxylic acid on precipitated silica.. .
| Glove and glove composition|
An emulsion composition includes (1) a carboxylated acrylonitrile butadiene elastomer containing an acrylonitrile residue in an amount of 23 to 30 wt % and an unsaturated carboxylic acid residue in an amount of 3 to 8 wt %, and (2) a polyacrylonitrile butadiene elastomer containing an acrylonitrile residue in an amount of 20 to 50 wt % and having a weight average molecular weight (in terms of styrene) of 7,000 to 50,000. The weight ratio of the component (1)/the component (2) is from 70/30 to 90/10..
Kossan Sdn Bhd
| Electrostatic dissipative polyester tpu and compositions thereof|
The present invention relates to an electrostatic dissipative thermoplastic polyurethane composition made by reacting (a) at least one polyester polyol intermediate with (b) at least one diisocyanate and (c) at least one chain extender. The polyester polyol intermediate, may be derived from at least one dialkylene glycol and at least one dicarboxylic acid, or an ester or anhydride thereof.
Lubrizol Advanced Materials, Inc.
Plasticizer for vinyl chloride resin containing non-phthalate ester and vinyl chloride resin composition containing such plasticizer
An ester obtained by reacting a specific carboxylic acid or a derivative thereof with a c9 saturated aliphatic alcohol at a specific proportion is superior in cold resistance and volatility resistance, and desirable in flexibility, fogging resistance, heat discoloration resistance, and weather resistance. Therefore, if becomes possible to obtain a vinyl chloride-based resin composition applicable to automobile parts, medical materials, or the like, as well as a molded article of the vinyl chloride-based resin composition..
Crosslinking rubber composition and crosslinked rubber production method
A cross-linked rubber is excellent in both fuel oil resistance and cold resistance. A cross-linkable rubber composition contains: a nitrile group-containing copolymer rubber [a] including less than 30 wt % α,β-ethylenically unsaturated nitrile monomer units (a1), conjugated diene monomer units (b1), and α,β-ethylenically unsaturated dicarboxylic acid monoester monomer units (d1), wherein at least part of the conjugated diene monomer units (b1) is hydrogenated; a nitrile group-containing copolymer rubber [b] including not less than 30 wt % α,β-ethylenically unsaturated nitrile monomer units (a2) and conjugated diene monomer units (b2), wherein at least part of the conjugated diene monomer units (b2) may be hydrogenated; and an amine-based cross-linking agent..
The present invention provides a polyamide having excellent heat resistance, water resistance, and impact resistance. The present invention relates to a polyamide including: structural units derived from an aromatic dicarboxylic acid; and structural units derived from an aliphatic diamine.
Kuraray Co., Ltd.
Process for enhancing the molecular weight of a polyester
The molecular weight of a semi-crystalline starting polyester comprising ethylene 2,5-furandicarboxylate units is enhanced by heating the semi-crystalline starting polyester, having a melting point tm, at a temperature in the range of (tm-40° c.) to tm to obtain a solid stated polyester, where the semi-crystalline starting polyester has an intrinsic viscosity of at least 0.45 dl/g, and an amount of carboxylic acid end groups in the range of 15 to 122 meq/kg.. .
Furanix Technologies B.v.
Polyester and preparing such a polyester
A polyester, including ethylene 2,5-furandicarboxylateunits, also includes diethylene glycol residues, the content of which is less than 0.045, in moles per mole of 2,5-furandicarboxylate moieties. The polyester composition can be prepared with a method where a starting mixture is subjected to esterification of 2,5-furandicarboxylic acid or transesterification of an ester thereof with ethylene glycol in the presence of a basic compound and/or an ammonium compound capable of suppressing the formation of diethylene glycol..
Furanix Technologies B.v.
Use of carboxylic acids and furanic molecules for esterification
A process for recovering and using an organic/carboxylic acid or furanic molecule by means of making an ester of a free carboxylic acid or furanic molecule with an alcohol in carbon dioxide (co2) without the presence of any other acid catalyst at a reaction temperature and pressure that corresponds to supercritical, critical or near critical conditions for the alcohol and/or co2 is described. The process can constitute part of a general process of refining carboxylic acids derived from a fermentation broth or use in the production of a variety of chemical compounds, such as c4 platform compounds or polymers..
Archer Daniels Midland Company
Dicarboxylic acid compound
It is an object of the present invention to provide a medicament for preventing or treating hyperphosphatemia. Solution: a compound represented by a general formula (i) or a pharmacologically acceptable salt thereof.
Daiichi Sankyo Company, Limited
Production of alpha-hydroxy carboxylic aids and esters from higher sugars using tandem catalyst systems
The present disclosure is directed to methods and composition used in the preparation of alpha-hydroxy carboxylic acids and esters from higher sugars using a tandem catalyst system comprising retro-aldol catalysts and lewis acid catalysts. In some embodiments, these alpha-hydroxy carboxylic acids may be prepared from pentoses and hexoses.
California Institute Of Technology
New somatostatin receptor subtype 4 (sstr4) agonists
3-aza-bicyclo[3.1.0]hexane-6-carboxylic acid amide derivatives which are agonists of somatostatin receptor subtype 4 (sstr4), useful for preventing or treating medical disorders related to sstr4.. .
Centrexion Therapeutics Corporation
Nonaqueous electrolyte compositions
Electrolyte compositions containing a solvent, a co-solvent, certain cyclic carboxylic acid anhydride additives, certain phosphorus-containing additives, and an electrolyte salt are described. The electrolyte compositions are useful in electrochemical cells, such as lithium ion batteries where they provide significantly improved cycle life with no loss of discharge capacity..
E I Du Pont De Nemours And Company
Reactive-type chemical conversion treatment composition and production member with chemical conversion coated surface
A production method of a member having a surface provided thereon with a chemical conversion coating includes a contacting step and a washing step. The contacting step causes a reactive-type chemical conversion treating acidic composition to contact with a base material having a metal-based surface thereby forming a chemical conversion coating on the metal-based surface of the base material.
Yuken Industry Co., Ltd.
Solidification matrix comprising a carboxylic acid terpolymer
Stability enhancement agents for use in a solidification matrices and solid detergent compositions are described. Stability enhancement is provided by a hydratable salt, water and a carboxylic acid terpolymer forming a dimensionally stable solid compositions.
Ecolab Usa Inc.
Pressure-sensitive adhesives based on carboxylic acids and epoxides
(b) curing the resulting carboxylic acid-capped prepolymer or oligomer with at least one difunctional epoxide or polyfunctional epoxide, and optionally at least one second epoxidized fatty acid, to produce a pressure sensitive adhesive, wherein the difunctional epoxide or polyfunctional epoxide is not an epoxidized vegetable oil.. .
Polyester polymer particles having a small surface to center molecular weight gradient
Polyester polymer particle spheroids comprising a polyester polymer including: a carboxylic acid component containing at least 90 mole % of the residues of terephthalic acid, derivates of terephthalic acid, naphthalene-2,6-dicarboxylic acid, and/or derivatives of naphthalene-2,6-dicarboxylic acid,; and a hydroxyl component containing from 90 to 96 mole % of the residues of ethylene glycol, based on 100 mole percent of the carboxylic acid component residues and 100 mole percent hydroxyl component residues in the polyester polymer, wherein said particle has an kv. Of at least 0.72 dl/g, and the it.v.
Grupo Petrotemex, S.a. De C.v.
The present invention relates to a polyurethane dispersion comprising particles of a polyurethane dispersed in a dispersing medium, wherein the polyurethane is obtainable by reacting a polyol and an isocyanate, wherein the polyol comprises at least one dimer fatty residue selected from a dimer fatty diacid residue, a dimer fatty diol residue and a dimer fatty diamine residue; and at least one furan dicarboxylic acid residue. The invention also relates to a coating composition comprising the polyurethane dispersion, a polyol for making the polyurethane dispersion, the use of the polyol and a method of making the polyurethane..
Croda International Plc
Improved glycol acylation process with water-tolerant metal triflates
A method for acid-catalyzed acylation of an isohexide is described. The method can enable direct alcohol acylation with carboxylic acids.
Archer Daniels Midland Company
2-hydroxyethyl 2-oxo-1,3-dioxolane-4-carboxylates, their preparation and use
Wherein one of r1 and r2 can be hydrogen. R1 and r2, if not hydrogen, and in each case independently of one another, are selected from straight-chain, branched or cyclic c1-22-alkyl groups, preferably c1-12-alkyl groups, c6-12-aryl groups, c6-18-aralkyl groups and c6-18-alkaryl groups, wherein r1 and/or r2, in each case independently of one another, may comprise at least one additional functional group, selected from hydroxyl groups, ether groups, ester groups, epoxy groups, and double bonds, and wherein r2 may be substituted with up to 10, preferably with 1 to 5, and in particular with 1 or 2 further 2-hydroxyethyl 2-oxo-1,3-dioxolane-4-carboxylic groups.
Method for continuously producing ketomalonic acid compound using flow reactor
The purpose of the present invention is to provide a method for continuously producing a ketomalonic acid compound such as a ketomalonic acid diester or a hydrate thereof, which is an industrially useful compound, on an industrial scale and in a safe and steady manner. The present invention relates to: a method in which a malonic acid diester, a carboxylic acid compound and a chlorous acid compound are used as raw material compounds, and these raw material compounds are mixed together to prepare a mixture and the mixture is supplied to a flow reactor continuously, thereby continuously producing a corresponding ketomalonic acid diester or a hydrate thereof; and a continuous production apparatus for performing the method..
Ihara Chemical Industry Co., Ltd.
Method for producing optically active carboxylic acid ester
Provided is a method for producing an optically active carboxylic acid ester at a high yield and with high enantioselectivity using dynamic kinetic resolution, said optically active carboxylic acid ester having an α-nitrogen substituent. This method for producing an optically active carboxylic acid ester includes a step in which racemic carboxylic acid represented by formula (a) and a specific alcohol or phenol derivative are reacted in a polar solvent having a dipole moment of at least 3.5 in the presence of an acid anhydride and an asymmetric catalyst, one enantiomer of the racemic carboxylic acid is selectively esterified, and the other enantiomer is racemized.
Tokyo University Of Science Foundation
Process for making ethanol by fermentation
A process for making ethanol by fermentation comprises the steps fermenting a mash comprising a fermentable sugar with a yeast to form a fermented mash comprising ethanol, separating a yeast concentrate from the fermentation mash, adding a mineral acid to the yeast concentrate to provide an acidified yeast concentrate having a ph between 1.8 and 3.0, adding a peroxycarboxylic acid to the acidified yeast concentrate in an amount of from 5 to 80 ppm by weight to provide a treated yeast concentrate, and fermenting a mash comprising a fermentable sugar with addition of treated yeast concentrate to form a fermented mash comprising ethanol.. .
Evonik Degussa Gmbh
Use of compounds revealing the efficiency of filterability additives in hydrocarbon distillates, and synergic composition containing same
The invention relates to the use, in a hydrocarbon distillate with a boiling temperature of between 150 and 450° c. And a crystallization onset temperature as measured by differential calorimetric analysis of greater than or equal to −50° c., preferably of −5° c.
Total Raffinage Marketing
Lubricant for low global warming potential refrigerant systems
The disclosed technology relates to a working fluid for a low global warming potential (gwp) refrigeration system that includes a compressor, where the working fluid includes an ester based lubricant and a low gwp refrigerant, and where the ester based lubricant includes an ester of one or more branched carboxylic acids where said branched carboxylic acid contains 8 or less carbon atoms. The disclosed technology provides commercially useful low gwp working fluids (commercially useful working fluids based on low gwp refrigerants) that do not have the solubility and/or miscibility problems commonly seen in low gwp fluids, including high viscosity fluids and applications..
The Lubrizol Corporation
Method for manufacturing aqueous black pigment dispersion
A method for manufacturing an aqueous black pigment dispersion, including the steps of subjecting a mixture containing carbon black and an aqueous medium to media-less dispersion and adding a resin having anionic groups and a basic compound after the dispersion, wherein the carbon black has a carboxylic acid group on the surface such that the value produced by dividing the amount of carboxylic acid group present on the surface by bet value is 0.8 to 5.5 (μmol/m2) and the resin having anionic groups is an urethane resin that satisfies (weight average molecular weight/acid value)<1,400 or a styrene acrylic resin that satisfies (weight average molecular weight/acid value)<120.. .
Polyamide resin and manufacturing same
A method for manufacturing a polyamide resin, according to the present invention, comprises the steps of: obtaining a low-order condensate in a solid state by polycondensing dicarboxylic acid and diamine; and solid-state polymerizing the low-order condensate, wherein the dicarboxylic acid contains, with respect to the total amount of the dicarboxylic acid, approximately 70 mol % of aliphatic dicarboxylic acid having 9 to 12 carbon atoms, wherein the diamine contains, with respect to the total amount of the diamine, approximately 50 mol % of diamine represented by previously indicated chemical formula 1.. .
Samsung Sdi Co., Ltd.
A polyol based on dimer fatty acid residues and the corresponding polyurethanes
The present invention relates to a polyol comprising a) at least one dimer fatty residue selected from a dimer fatty diacid residue and a dimer fatty diol residue; and b) at least one residue of a linear or branched c17 to c32 dicarboxylic acid or diol; wherein the polyol comprises at least two hydroxyl end groups. The invention also relates to a a polyurethane comprising the polyol, the use of the polyol and a method of making the polyurethane..
Croda International Plc
Process for producing ethylene/unsaturated carboxylic acid copolymer, and said copolymer
Provided is a process of effectively producing an ethylene/unsaturated carboxylic acid copolymer having excellent mechanical and thermal properties. A process for producing an ethylene/unsaturated carboxylic acid copolymer comprises: producing an ethylene/unsaturated carboxylic acid ester copolymer from ethylene and unsaturated carboxylic acid ester using a late-transition-metal complex catalyst; and heating the ethylene/unsaturated carboxylic acid ester copolymer at a temperature capable of converting the ester group into a carboxylic acid group, thereby converting into the ethylene/unsaturated carboxylic acid copolymer..
Japan Polypropylene Corporation
Enhanced regio-selectivity in glycol acylation
A method for acid-catalyzed acylation of an isohexide is described. The method involves a reaction of an isohexide and an excess of carboxylic acid in the presence of a lewis acid or a brønsted acid catalyst.
Archer Daniels Midland Company
Chemical process to convert mucic acid to adipic acid
The present invention provides a method of synthesizing an ester of a saturated carboxylic acid from a saturated polyhydroxycarboxylic acid by performing a deoxydehydration reaction and a hydrogen transfer reaction.. .
Agency For Science Technology And Research
System for the capture and release of acid gases
In one aspect, the invention provides a method for the capture of at least one acid gas in a composition, the release of said gas from said composition, and the subsequent regeneration of said composition for re-use, said method comprising performing, in order, the steps of: (a) capturing the at least one acid gas by contacting said at least one gas with a capture composition comprising at least one salt of a carboxylic acid and at least one water-miscible non-aqueous solvent; (b) releasing said at least one acid gas by adding at least one protic solvent or agent to said composition; and (c) regenerating the capture composition by partial or complete removal of said added protic solvent or agent from said composition. Optionally, said capture composition comprising at least one salt of a carboxylic acid and at least one water-miscible non-aqueous solvent additionally comprises water or another protic solvent.
Golf ball resin composition and golf ball
An object of the present invention is to provide a golf ball resin composition having high resilience and flexibility. The present invention provides a golf ball resin composition, comprising (a) at least one resin component selected from the group consisting of (a-1) a binary copolymer, (a-2) an ionomer resin consisting of a metal ion-neutralized product of a binary copolymer, (a-3) a ternary copolymer, and (a-4) an ionomer resin consisting of a metal ion-neutralized product of a ternary copolymer, (b) a saturated fatty acid, (c) an unsaturated fatty acid, and (d) an unsaturated aliphatic polycarboxylic acid; comprising (b) the saturated fatty acid, (c) the unsaturated fatty acid and (d) the unsaturated aliphatic polycarboxylic acid in a total amount ranging from 80 parts by mass to 200 parts by mass with respect to 100 parts by mass of (a) the resin component; and having a neutralization degree of more than 80 mole %..
Dunlop Sports Co. Ltd.
Provided is a fabric that semi-permanently absorbs water even without being subjected to water absorption treatment, i.e., an absorbent fabric that has a pleasant feel, can quickly absorb perspiration when worn, has excellent comfort, and is soft and suitable for use in inner wear, sportswear, etc. The absorbent fabric according to the present invention includes polyester fibers in which ethylene terephthalate constitutes at least 95 mol % of repeating units, wherein a carboxylic acid terminated linear oligomer component is present on the surface of the polyester fibers, and the absorbency according to the jis l1907 dripping method after washing 30 times according to the jis l0217 103 c method is at most 5 seconds.
Asahi Kasei Kabushiki Kaisha
Phosphorescence-based hydrogen peroxide assay for the detection of hydrogen peroxide in human serum and water samples
The present invention relates to a method for determining an amount of a peroxide in a sample, wherein the method comprises the steps of: —providing a sample, —contacting the sample with a terbium(iii) benzene dicarboxylic acid complex, and —determining the luminescence of the terbium(iii) benzene dicarboxylic acid complex.. .
Cleaning solution, cleaning facility and cleaning mount substrate
A method of cleaning a mount substrate comprising the step of: preparing a cleaning solution and cleaning the mount substrate by using the cleaning solution. The cleaning solution is a chemical solution produced by providing organic amine as a content in a hydrocarbon-based solvent containing a ketone or an aromatic and by adding unsaturated carboxylic acid anhydride or carboxylic anhydride to this solvent..
Mitsubishi Electric Corporation
A curable composition includes (a) an organic polymer having a reactive silyl group; (b) at least one ester compound (except for compounds having a methyl ester group) selected from the group consisting of isophthalic acid ester compounds, terephthalic acid ester compounds, 1,3-cyclohexanedicarboxylic acid ester compounds, and 1,4-cyclohexanedicarboxylic acid ester compounds; and (c) a compound having a methyl ester group.. .
Method for preparing vinyl chloride-based resin
Provided is a method of preparing a vinyl chloride-based resin that includes preparing slurry through suspension polymerization by mixing a monomer, an oil soluble initiator, a dispersant, and an additive including an emulsifier, a water-soluble initiator, or a combination thereof, wherein the monomer includes vinyl chloride, an unsaturated carboxylic acid-based compound, and an ethylenic unsaturated compound that is copolymerizable therewith, and the emulsifier includes an anionic emulsifier, a non-ionic emulsifier, or a combination thereof.. .
Hanwha Chemical Corporation
Methods for forming protected organoboronic acids
Described are methods of forming protected boronic acids that provide in a manner that is straightforward, scalable, and cost-effective a wide variety of building blocks, such as building blocks containing complex and/or pharmaceutically important structures, and/or provide simple or complex protected organoboronic acid building blocks. A first method includes reacting an imino-di-carboxylic acid and an organoboronate salt.
The Board Of Trustees Of The University Of Illinois
Method for producing carboxylic acid anhydride, producing carboxylic imide, and manufacturing electrophotographic photosensitive member
A method for producing a carboxylic acid anhydride includes heating a composition containing a specific compound in a solvent to yield the carboxylic acid anhydride. The solvent is an aprotic polar solvent having a boiling point of 50° c.
Canon Kabushiki Kaisha
Production heteroarylcarboxylic acid ester derivative, production intermediate thereof, and crystal
Compounds of formula (vi), which are useful as therapeutic drugs for diabetes, may be produced by reacting a compound of formula (ii) with an acid halogenating agent to give an acid halide; reacting the acid halide with a compound of formula (iv) in the presence of a base, and crystallizing compound (v) or a salt thereof from the reaction system; and subjecting the compound of formula (v) to reductive deprotection in the presence of a metal catalyst, and crystallizing the compound of (vi) or a salt thereof from the reaction system:. .
Ea Pharma Co., Ltd.
Method for producing heteroarylcarboxylic acid ester derivative, and production intermediate of same
Wherein r1 is a halogen atom, r4 is a lower alkyl group, r5 is a lower alkyl group, and r12 is a hydrogen atom or a halogen atom.. .
Process for preparing a diamine/dicarboxylic acid salt
The present invention also relates to a process for preparing a diamine/dicarboxylic acid salt wherein the dicarboxylic acid comprises an aromatic dicarboxylic acid and is provided in a powder form; the diamine is provided in a liquid form gradually dosed to the dicarboxylic acid powder, while keeping the dicarboxylic acid powder in constant movement; the processing temperature is above 0° c. And below the boiling temperature of the diamine and the melting temperature of the acid and the salt, and the reaction mixture comprises at most 5 wt.
Dsm Ip Assets B.v.