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Carboxylic Acid patents

      

This page is updated frequently with new Carboxylic Acid-related patent applications.




 Deposition of copper-tin and copper-tin-zinc alloys from an electrolyte patent thumbnailnew patent Deposition of copper-tin and copper-tin-zinc alloys from an electrolyte
The present invention relates to a cyanide-free electrolyte which contains a phosphate and aliphatic or aromatic thio compounds and also to a process for the electrolytic deposition of an alloy of the elements copper and tin and optionally zinc. The electrolyte and the process are characterized in that stannate ions and copper ions and optionally zinc(ii) ions and also aliphatic and/or aromatic thio compounds are present in the electrolyte used.
Umicore Galvanotechnik Gmbh


 Stabilisation of biological samples patent thumbnailnew patent Stabilisation of biological samples
The present invention provides methods and composition suitable for stabilizing cell-containing samples such as blood samples. The stabilizers used are primary or secondary carboxylic acid amides..
Qiagen Gmbh


 Genetically engineered microorganisms for the production of chorismate-derived products patent thumbnailnew patent Genetically engineered microorganisms for the production of chorismate-derived products
The invention provides genetically engineered microorganisms and methods for producing chorismate-derived products, such as para-hydroxybenzoic acid, salicylate, 2-aminobenzoate, 2,3-dihydroxybenzoate, and 4-hydroxycyclohexane carboxylic acid. Typically, the microorganism comprises at least one of (a) an exogenous chorismate pyruvate lyase, (b) an exogenous isochorismate synthase, (c) an exogenous isochorismate pyruvate lyase, and (d) a prephenate synthase comprising a disruptive mutation..
Lanzatech New Zealand Limited


 Composition and  preventing or  reducing engine knock and pre-ignition in high compression spark ignition engines patent thumbnailnew patent Composition and preventing or reducing engine knock and pre-ignition in high compression spark ignition engines
A lubricant composition for high compression spark ignition engines that contains at least one bismuth-containing compound (e.g., a bismuth salt of a carboxylic acid). A method for preventing or reducing engine knock and pre-ignition in an engine lubricated with a formulated oil.
Exxonmobil Research And Engineering Company


 Method for producing a multicoat paint system patent thumbnailnew patent 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


 Resin composition for forming steering wheel remote control bezel patent thumbnailnew patent Resin composition for forming steering wheel remote control bezel
Disclosed is a resin composition for forming a steering wheel remote control bezel. The resin composition comprises: an amount of about 40 to 50 wt % of a polyester copolymer including a dicarboxylic acid component residue including terephthalic acid and a diol component residue including dianhydrohexitol; an amount of about 10 to 20 wt % of at least one copolymer selected from a group consisting of unsaturated nitrile-diene-based rubber-aromatic vinyl grafted copolymers and alkylmethacrylate-diene-based rubber-aromatic vinyl grafted copolymers; and an amount of about 40 to 50 wt % of polycarbonate.
Kia Motors Corporation


 Polymer resin composition, polymer composite tape, and front bumper of automobile patent thumbnailnew patent Polymer resin composition, polymer composite tape, and front bumper of automobile
Disclosed are a polymer resin composition comprising: a binder resin including an olefin-based polymer resin; a carbon fiber surface-treated with a predetermined compound; and a modified polyolefin resin grafted with polyetheramine-bonded dicarboxylic acid or an acid anhydride thereof, a polymer composite tape including the polymer resin composition, and a front bumper of a vehicle equipped with the polymer composite tape.. .
Hyundai Motor Company


 Glass mat reinforcement patent thumbnailnew patent Glass mat reinforcement
A glass mat is provided. The glass mat includes an assembly of glass fibers; and a binder composition including a polymer resin and a crosslinker.
Saint-gobain Adfors Canada, Ltd.


 Flame retardant and auto-catalytic polyesters for polyurethanes patent thumbnailnew patent 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.


 Carboxylic acid functional siloxanes of defined structure patent thumbnailnew patent Carboxylic acid functional siloxanes of defined structure
Organopolysiloxanes bearing regularly spaced pendent carboxylic acid groups or salts thereof have a block polymer structure and are derived by the double half-esterification of a dianhydride and a silanol- or carbinol-functional organopolysiloxane or sulfur analog thereof. The products can form stable aqueous dispersions without the need for a surfactant..
Wacker Chemical Corporation


new patent

Compounds for use as gpr120 agonists

The present invention relates to a compound of formula (i), or a tautomer, stereoisomer, geometrical isomer, prodrug, carboxylic acid isostere, solvate, polymorph, n-oxide, s-oxide or pharmaceutically acceptable salt thereof, which are gpr120 agonists. The present invention also relates to a pharmaceutical composition of a compound of formula (i) for the treatment of metabolic disorders, particularly type 2 diabetes and associated diseases..
Piramal Enterprises Limited

new patent

Novel pyrazole derivative

It has been desired to develop a pharmaceutical composition, which is used in agents for preventing and/or treating various diseases related to pde10 (e.g. Mental disorder and neurodegenerative disorder).
Mochida Pharmaceutical Co., Ltd.

new patent

Process for oxidation of alkyl aromatic compound to aromatic carboxylic acid

The present disclosure provides a process for oxidation of p-xylene to terephalic acid. Recovery of fluid medium and valuable chemicals in carried out using p-xylene as fluid medium which is also the starting material.
Reliance Industries Limited

new patent

Acetic acid/thymol compositions and their use in the treatment of onychomycosis

A composition comprising from about 1 weight part to about 10 weight parts a saturated carboxylic acid having from 2 to about 20 carbon atoms; front about 0.1 weight parts to about 10 weight parts an antifungal compound; and from about 80 weight parts to about 99 weight parts skin-penetrating gel; wherein the saturated carboxylic acid, the antifungal compound, and the skin-penetrating gel together comprise 100 weight parts. In a particular example of the composition, the saturated carboxylic acid having from 2 to about 20 carbon atoms is acetic acid; and the antifungal compound is thymol.
Dr. Paul's Enterprises, Llc

Method and system for controlled nanostructuring of nanomagnets

A composite magnetic matrix comprising a porous metal-organic framework (mof) and a plurality of molecular magnets, where a plurality of pores of the mof each comprise one of the plurality of molecular magnets, and where the each of the plurality of molecular magnets retains its magnetic properties in the matrix. The molecular magnet may be, for example, a single-molecule magnet or a single-chain magnet.
Clarkson University

Aqueous composition comprising a polyvalent metal complexed by carbonate and carboxylic acid ligands, and use thereof

The invention relates to a zinc based aqueous composition comprising at least a carbonate and a carboxylic acid, prepared from a zinc compound, a carbonate, and a carboxylic acid, and to its use as insolubilizing agent in a coating bath for fiber-based substrates, like paper, board, non woven or textiles.. .
Archroma France Sas

Nanofibers with improved chemical and physical stability and web containing nanofibers

A non woven web containing water insoluble nanofibers and/or microfibers obtained by an electrospinning process using water based solution containing at least two components, a first component having carboxylic acid and/or anhydride functionalities and a second component having primary and/or secondary amino functionalities, the web being cured upon a heat treatment. Application: filtration and separation..
Ahlstrom Corporation

Type ii fatty acid synthesis enzymes in reverse ß-oxidation

This disclosure describes enzymes from the type ii (a discrete set of enzymes) fatty acid synthesis (“fas”) pathway that can be used in combination with thiolases to operate a functional reversal of the β-oxidation cycle. A combination of thiolases with one or more of 3-oxoacyl-[acyl-carrier-protein] reductase (fabg, others), 3-hydroxyacyl-[acp] dehydratase (faba, fabz, others), and enoyl-[acyl-carrier-protein] reductase (fabi, fabk, fabl, fabv, others) yields a functional reversal of the β-oxidation cycle.
William Marsh Rice University

Copolymer comprising units of type a deriving from carboxylic acid monomers and units of type b deriving from sulfonic acid monomers

The present invention relates to a copolymer comprising units of type a deriving from carboxylic acid monomers and units of type b deriving from sulfonic acid monomers, said units of type a and b representing more than 80 mol % of the total moles of units in the copolymer, characterized in that it comprises at least: —one first block formed of at least 95 mol % of units of type a and having a degree of polymerization dp1 comprised between 5 and 150; and —one second block formed of at least 95 mol % of units of type a and b with a molar ratio of units of type a to units of type b greater or equal to 1, wherein said units of type a and units of type b are statistically distributed, said second block having a degree of polymerization dp2 such that dp2/dp1≧1. It also relates to new detergent compositions comprising such a copolymer, and to the use of this copolymer in a detergent composition, especially an adw composition, to prevent, limit or eliminate the filming phenomena..
Rhodia Operations

Copper-containing articles and methods for providing same

A water-soluble composition includes reducible copper ions or copper nanoparticles complexed with a reactive polymer. The reactive polymer can be crosslinked using suitable irradiation to provide copper-containing water-insoluble complexes.
Eastman Kodak Company

Carbon nanotube dispersion liquid, conductor film, and conductive film

Provided is a carbon nanotube dispersion liquid that has excellent stability and that can be used to form a conductor film that exhibits excellent adhesiveness to a substrate. The carbon nanotube dispersion liquid contains carbon nanotubes (a), a polymeric dispersant (b) including a sulfonic acid group-containing monomeric unit and an ethylenically unsaturated aliphatic carboxylic acid monomeric unit, and a solvent (c).
Zeon Corporation

High-density polyethylene mixed resin particles, composite resin particles, foamed particles and foamed molded body

High-density polyethylene mixed resin particles used as seed particles during seed polymerization, wherein said seed particles contain a mixed resin of 100 parts by weight of high-density polyethylene and 20 to 100 parts by weight of an ethylene copolymer; said high-density polyethylene has a density of 935 to 960 kg/m3 and a softening temperature of 115 to 130° c.; said ethylene copolymer is a copolymer of an ester-based monomer selected from an acrylic acid alkyl ester and an aliphatic saturated monocarboxylic acid vinyl, and etylene, contains 1 to 20% by weight of an ester-based monomer-derived component, and has a softening temperature of 75 to 110° c.; said acrylic acid alkyl ester is selected from methyl acrylate and ethyl acrylate; and said aliphatic saturated monocarboxylic acid vinyl is selected from vinyl acetate and vinyl propionate.. .
Sekisui Plastics Co., Ltd.

Meglumine salt formulations of 1-(5,6-dichloro-1h-benzo[d]imidazol-2-yl)-1h-pyrazole-4-carboxylic acid

The meglumine salt of 1-(5,6-dichloro-1h-benzo[d]imidazol-2-yl)-1h-pyrazole-4-carboxylic acid (compound (1)) and pharmaceutically acceptable formulations thereof are described. Such compounds may be used in pharmaceutical compositions and methods for the treatment of disease states, disorders, and conditions mediated by prolyl hydroxylase activity..
Janssen Pharmaceutica Nv

Apparatus for producing mixed solution and preparing mixed solution

An apparatus for producing a mixed solution, comprising a mixing vessel for preparing an aqueous mixed solution containing a dicarboxylic acid and an nb compound and a filter for the aqueous mixed solution connected to the mixing vessel via a pipe, the mixing vessel being anticorrosive and equipped with a stirring unit, a heating unit and a cooling unit for the aqueous mixed solution, wherein the aqueous mixed solution prepared in the mixing vessel is fed to the filter via the pipe and filtered in the filter under increased pressure.. .
Asahi Kasei Chemicals Corporation

Polyamide multifilament fiber and tire cord including said fiber

Provided are: a polyamide multifilament fiber comprising a polycondensate of a diamine and a dicarboxylic acid including an alicyclic dicarboxylic acid, and fulfilling conditions (a), (b), and (c); a cord including the fiber; a fabric comprising said cord; and a tire applying said fabric to the cap ply thereof, (a): the ratio of alicyclic dicarboxylic acid to dicarboxylic acid being at least 50 mol %. (b): the total fineness of the polyamide multifilament fiber being at least 100 dtex.
Asahi Kasei Kabushiki Kaisha

Methods of making crosslinked membranes utilizing an inert gas atmosphere

Disclosed herein is a method of making a crosslinked membrane such as a crosslinked hollow fiber membrane. The method comprises (a) preparing a polyimide polymer comprising carboxylic acid functional groups from a reaction solution comprising monomers and at least one solvent; (b) treating the polyimide polymer with a diol at esterification conditions to form a monoesterified polyimide polymer; (c) forming a monoesterified polyimide membrane or dense film from the monoesterified polyimide polymer; and (d) subjecting the monoesterified polyimide membrane or dense film to transesterification conditions under a co2 atmosphere to form a crosslinked polyimide membrane or dense film..
Chevron U.s.a. Inc.

Tofa analogs useful in treating dermatological disorders or conditions

This invention is directed to analogs of 5-(tetradecyloxy)-2-furancarboxylic acid (tofa) and their use in the treatment of dermatological disorders or conditions characterized by sebaceous gland hyperactivity, such as acne and oily skin, and other dermatological disorders and conditions. This invention is also directed to pharmaceutical compositions comprising analogs of tofa and a pharmaceutically acceptable excipient for dermatological or oral administration..
Dermira (canada), Inc.

Cationic materials and formulations for drug delivery

Cationic polymers are provided for delivering anionic active agents, preferably in the form or nanoparticles and other nanostructures. The polymer can be a polycation homopolymer or a copolymer containing a polycation block.
The Brigham And Women's Hospital, Inc.

Prebiotic oral care compositions containing carboxylic acids

The present invention provides an oral care composition comprising a carboxylic acid of the formula (i) wherein: r1 is h, or is a substituted or unsubstituted alkyl group; and r2 is h, oh, or nh2; for use in: (a) selectively promoting, in an oral cavity: growth, metabolic activity or colonization of bacteria that have beneficial effects on oral health, relative to growth, metabolic activity or colonization of pathogenic oral bacteria; (b) selectively promoting, in an oral cavity, biofilm formation by bacteria that have beneficial effects on oral health, relative to biofilm formation by pathogenic oral bacteria; or (c) maintaining and/or re-establishing a healthy oral microflora.. .
Universiteit Gent

Copper-containing polymeric compositions

A water-soluble composition includes reducible copper ions or copper nanoparticles complexed with a reactive polymer. The reactive polymer can be crosslinked using suitable irradiation to provide copper-containing water-insoluble complexes.
Eastman Kodak Company

Toner

The present invention provides a toner that excels in low-temperature fixability and also maintains charging performance, storability, and anti-hot offset property even in long-term image output. The toner comprising a toner particle containing an amorphous polyester resin, a crystalline polyester resin, wax, and a colorant, wherein a weight-average molecular weight (mw) of the crystalline polyester resin is 5000 to 14,000, and the crystalline polyester resin includes 0.5 mass % to 15.0 mass % of a segment derived from one or more aliphatic compounds selected from the group consisting of aliphatic monocarboxylic acids with a carbon number of 8 to 20 and aliphatic monohydric alcohols with a carbon number of 8 to 20..
Canon Kabushiki Kaisha

Method for estimating carboxylic acid gas concentration and soldering apparatus

To provide a method for estimating a concentration of carboxylic acid gas, which is capable of measuring safely the concentration of carboxylic acid gas such as formic acid gas or the like in a chamber of a soldering apparatus in real time, and a soldering apparatus capable of estimating the concentration of the carboxylic acid gas in the chamber. The method includes the steps of measuring a surface temperature of a same object placed in the chamber at a same point in time by using a thermometer (first thermometer) for measuring a temperature without any influence of infrared absorption by carboxylic acid, and a radiation thermometer (second thermometer) for measuring a temperature by infrared in a wavelength region that the carboxylic acid absorbs, and estimating the concentration of the carboxylic acid gas in the chamber on the basis of a temperature difference (Δtx) between temperatures indicated by the first and second thermometers.
Origin Electric Company, Limited

Functionalizing cellulosic and lignocellulosic materials

Irradiated lignocellulosic or cellulosic materials are provided which contain carboxylic acid groups and/or other functional groups not present in a naturally occurring cellulosic or lignocellulosic material from which the irradiated material was obtained. .
Xyleco, Inc.

Use of a copolymer made from styrene sulphonic acid to inhibit or slow the formation of sulphide deposits

A copolymer containing a unit including an optionally neutralised styrene sulphonic acid unit and a unit containing at least one optionally neutralised (poly)carboxylic acid unit or a (poly)amido-amine unit, to inhibit or slow the formation of sulphide deposits during the extraction of gas or oil. It also relates to a method to inhibit or slow the formation of sulphide deposits during the extraction of gas or oil, including the injection of a fluid containing the abovementioned copolymer into a wellbore, a subterranean formation or a gas or oil well..
Centre National De La Recherche Scientifique-cnrs-

Polyamide fibers

The present invention relates to a polymer fiber made of a polyamide composition comprising a semi-crystalline semi-aromatic polyamide (ppa), wherein the ppa consists of repeat units derived from—aromatic dicarboxylic acid comprising at least 80 mole % of terephthalic acid, relative to the total amount of aromatic dicarboxylic acid and—diamine comprising at least 5 mole % of a first diamine and at least 5 mole % of a second diamine relative to the total amount of diamine; and—0-5 mole % of other monomeric units, relative to the total amount of aromatic dicarboxylic acid, diamine and other monomeric units, wherein the ppa has a melting temperature (tm) of at least 310° c. Measured by the dsc method according to iso-11357-1/3, 2011 and with a heating rate of 10° c./min..
Dsm Ip Assets B.v.

Polymers and methods of making the same

Various embodiments disclosed relate to polymers and methods of making the same. In various embodiments, the present invention provides a method of forming a polymer including subjecting a composition including a carboxylic acid having the structure (rf—o)z1—ra to conditions sufficient to form a polymer having the structure reg—[o—ra(o—rb)z1-2—o—c(o)—r′(o—rd)z2-1—c(o)]n—o—ra(o—rb)z1-2—o—reg or a salt or ester thereof, wherein ra, r′ rb, rd, rf, reg, z1, z2, and n are as defined herein.

Furan-2,5-dicarboxylic acid purge process

Disclosed is an oxidation process to produce a crude carboxylic acid product carboxylic acid product. The process comprises oxidizing a feed stream comprising at least one oxidizable compound to generate a crude carboxylic acid slurry comprising furan-2,5-dicarboxylic acid (fdca) and compositions thereof.
Eastman Chemical Company

Perfluorovinyloxy polyether carboxylic acid alkali metal salt and producing the same

Wherein r is an alkyl group having 1 to 12 carbon atoms, a is an integer of 1 to 6, and b+c is an integer of 0 to 6; to hydrolysis or solvolysis in the presence of an alkali metal hydroxide.. .

Non-aqueous organo liquid delivery systems containing dispersed poly (organic acids) that improve availability of macro & micro-nutrients to plants

The present invention relates to improving the efficiency of man-made and/or natural organic-based animal manure fertilizers by administration of formulations containing poly(organic acids), [p(oa)]s, and/or their salts dispersed in a non-aqueous organic solvent delivery system (nosds). Utilizing a nosds allows for coating all components in a fertilizer formulation including but not limited to urea, manure, mono-ammonium phosphate (map), di-ammonium phosphate (dap), solid micronutrients such as lime, zinc chloride, etc.) with a layer of [p(oa)]s and/or their salts that liberates, in a plant available form, the micronutrient metals and macronutrients, that are bound as insoluble salts and complexes in the soil.

Flux for soldering and solder composition

Employed is a flux for soldering, containing an epoxy resin, an organocarboxylic acid containing at least 0.1-40 mass % of a dicarboxylic acid having molecular weight of 180 or less, and a thixotropy-imparting agent, the epoxy resin and the organocarboxylic acid being blended such that there is 0.8-2.0 eq of the carboxyl groups of the organocarboxylic acid per 1.0 eq of the epoxy groups of the epoxy resin, and the epoxy resin, the organocarboxylic acid, and the thixotropy-imparting agent being contained in a total amount of 70 mass % or more relative to the total amount of the flux.. .

Fire extinguishing composition comprising carboxylic acid derivative

The present invention relates to a fire-extinguishing composition containing a carboxylic acid derivative. The fire-extinguishing composition releases a great quantity of active fire-extinguishing particles by making use of the heat generated from combustion of a pyrotechnic agent.
Xi' An Westpeace Fire Technology Co., Ltd.

Pharmaceutical combinations

A pharmaceutical combination comprising: (a) a phosphatidylinositol-3-kinase inhibitor selected from 5-(2,6-di-morpholin-4-yl-pyrimidin-4-yl)-4-trifluoromethyl-pyridin-2-ylamine, (s)-pyrrolidine-1,2-dicarboxylic acid 2-amide 1-({4-methyl-5-[2-(2,2,2-trifluoro-1,1-dimethyl-ethyl)-pyridin-4-yl]-thiazol-2-yl}-amide) or any pharmaceutically acceptable salt thereof and (b) a gonadorelin agonist and, optionally, (c) an antiestrogen agent, particularly for use in the treatment or prevention of a cancer; uses of such a combination in the preparation of a medicament for the treatment or prevention of a cancer; pharmaceutical compositions of the combination of said therapeutic agents and methods of treating a cancer in a subject comprising administering to said subject a therapeutically effective amount of such a combination.. .

Pharmaceutical compositions

The disclosure relates to a pharmaceutical combination of a mdm2/4 inhibitor, namely (s)-1-(4-chloro-phenyl)-7-isopropoxy-6-methoxy-2-(4-{methyl-[4-(4-methyl-3-oxo-piperazin-1-yl)-trans-cyclohexylmethyl]-amino}-phenyl)-1,4-dihydro-2h-isoquinolin-3-one or (s)-5-(5-chloro-1-methyl-2-oxo-1,2-dihydro-pyridin-3-yl)-6-(4-chloro-phenyl)-2-(2,4-dimethoxy-pyrimidin-5-yl)-1-isopropyl-5,6-dihydro-1h-pyrrolo[3,4-d]imidazol-4-one, and a cyclin dependent kinase 4/6 (cdk4/6) inhibitor 7-cyclopentyl-2-(5-piperazin-1-yl-pyridin-2-ylamino)-7h-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid dimethylamide. In addition, the disclosure relates to a pharmaceutical combination product.
Novartis Ag

Methods for the treatment and prevention of age-related retinal dysfunction

A method of treating or preventing age-related retinal dysfunction involves administering to a patient a pharmaceutically effective amount of a synthetic retinal derivative repeatedly over a duration of at least about 3 months. Effective synthetic retinal derivatives include 9-cis-retinyl esters, 11-cis-retinyl esters, derivatives and congeners thereof, and combinations thereof.
University Of Washington

Fungicidal compositions of pyrazolecarboxylic acid alkoxyamides

The present invention relates to novel compositions comprising certain pyrazolecarboxylic acid alkoxyamides according to formula (i) in combination with certain fungicides, to a process for preparing these compositions and to the use thereof as biologically active compositions, especially for the control of harmful microorganisms in plants and in the protection of materials and as plant growth regulators.. .
Bayer Cropscience Aktiengesellschaft

Pymetrozine suspension concentrates and its preparation method

The present disclosure relates generally to insecticide formulations. The present disclosure relates more particularly to aqueous pymetrozine formulations that can be provided in concentrate form and methods for making them.
Dow Global Technologies Llc

Carrier system and photoelectric conversion device

This carrier carries a pigment (a) and a co-adsorbent (b) represented by the following general formula (1). (in the formula, ring a represents a 5- or 6-membered heterocycle which may be further condensed; the hydrogen atom in ring a may be substituted by a hydrocarbon group which may have a substituent, a halogen atom, a cyano group, a nitro group, a —or2 group, or a —sr2 group; z represents a divalent aliphatic hydrocarbon group interrupted 0-3 times by —o— or the like; z1 represents a divalent aromatic group; r1 represents a carboxylic acid group, a sulfonic acid group, a phosphoric acid group, or a phosphonic acid group; r2 and r3 represent a hydrocarbon group which may have a hydrogen atom or a substituent; anm− represents an m-valent anion; m represents an integer of 1 or 2; and p represents a coefficient for maintaining a neutral electric charge)..
Adeka Corporation

Novel car enzymes and improved production of fatty alcohols

The disclosure relates to variant carboxylic acid reductase (car) enzymes for the improved production of fatty alcohols in recombinant host cells.. .
Reg Life Sciences, Llc

Composition and oilfield water clarification processes

Disclosed are aqueous water clarifier compositions used to demulsify and clarify oil-water dispersions and emulsions derived from petroleum industry operations. The disclosed aqueous water clarifier composition comprises an anionic polymer, a chelating agent, optionally a base, and optionally an alcohol.
Dow Global Technologies Llc

Copolymer for improving methacrylic resin heat resistance

A copolymer for improving heat resistance of a methacrylic resin which can achieve preservation of excellent transparency of the methacrylic resin and improvement in heat resistance, and can provide a molded product having excellent appearance, by adding the copolymer to the methacrylic resin, is provided. According to the present invention, a copolymer for improving heat resistance of a methacrylic resin, including: 45 to 85 mass % of an aromatic vinyl monomer unit; 5 to 45 mass % of a (meth)acrylic acid ester monomer unit; and 10 to 20 mass % of an unsaturated dicarboxylic acid anhydride monomer unit; wherein the copolymer has a total light transmittance of 88% or more, the total light transmittance being measured in accordance with astm d1003 for a sample with 2 mm-thickness, is provided..
Denka Company Limited

Curable composition and cured product thereof

A curable composition includes (a) an organic polymer having a silicon-containing group, which can be crosslinked by forming a siloxane bond (100 parts by weight), (b) a diester compound obtained from polyethylene glycol and aliphatic monocarboxylic acid and/or alicyclic monocarboxylic acid (21-300 parts by weight), and (c) an amidine compound (0.01-20 parts by weight).. .
Kaneka Corporation

Polyamides modified with (per)fluoropolyether segments

The present invention relates to thermoplastic polyamides (pa) comprising recurring units derived from a pfpe dicarboxylic acid (pfpa-da) or a pfpe diamine (pfpe-nn) in a defined weight amount with respect to other units derived from the other monomers used in the course of polymerization. Polyamides (pa) are endowed with improved surface properties, chemical resistance and reduced brittleness and do not require the addiction of impact modifiers..
Solvay Specialty Polymers Italy S.p.a.

Polyester hydrogels

The present invention relates to a polyester comprising units derived from monomers a, b and c, wherein the group of monomers a consists of (a1) monomers a1, or (a2) monomers a1 and monomers a2, with monomers a1 and monomers a2 being present in a molar ratio of at least 31:69, preferably at least 4:1, wherein the monomers a1 are selected from the group consisting of aromatic sulfonated dicarboxylic acid based monomers of general formulae (i), (ii), (iii) and (iv), and wherein the monomers a2 are selected from the group consisting of non-sulfonated aromatic dicarboxylic acid based monomers of general formulae (v), (vi) and (vii); and wherein the group of monomers b consists of (b1) monomers b1, or (b2) monomers b1 and monomers b2, with monomers b1 and monomers b2 being present in a molar ratio of at least 1:9, preferably at least 4:1, wherein the monomers b1 are selected from the group consisting of unsaturated dicarboxylic acid based monomers of general formula (viii), and wherein the monomers b2 are selected from the group consisting of saturated dicarboxylic acid based monomers of general formula (ix); and wherein the group of monomers c consists of (c1) monomers c1, (c2) monomers c2, or (c3) monomers c1 and c2, wherein the monomers c1 are selected from the group consisting of ethylene glycol based monomers of general formula (x), and wherein the monomers c2 are selected from the group consisting of propylene glycol based monomers of general formula (xi), and wherein the molar ratio of the units derived from the group of monomers a to the units derived from the group of monomers b is from 9:1 to 1:2.4, and wherein the molar ratio of the units derived from the groups of monomers a and b to the units derived from the group of monomers c is from 1.3:1 to 1:1.3. The polyester of the invention is preferably cross-linked..
Basf Se

Polyester hydrogels

Cross-linked polyester derived from unsaturated polyester chains, which are inter-molecularly cross-linked and comprise units derived from unsaturated dicarboxylic acid based monomers and ethylene glycol based monomers.. .
Basf Se

Composition for producing biodegradable polyester resin, and production biodegradable polyester resin

A composition for preparing a biodegradable polyester resin and a method of preparing the biodegradable polyester resin are provided. The composition for preparing a biodegradable polyester resin includes: a dicarboxylic acid, a diol, a catalyst, and a deactivating agent including an element (l) that may reduce the activity of the catalyst, wherein the amount of a metal (m) in the catalyst and the amount of the element (l) satisfy the following condition on the basis of a weight ratio: 1.5≦m/l≦8.0..
Lotte Fine Chemical Co., Ltd.

Delayed action gelling catalyst compositions and methods for making polyurethane polymers

Additives for making polyurethanes are disclosed. The additives are based on combining specific carboxylic acids or carboxylic di-acids together with a gelling catalysts obtained when mixing an isocyanate-reactive tertiary amine catalysts with dimethyl tin di carboxylate salts and/or dimethyltin mercaptide salts..
Air Products And Chemicals, Inc.

Alkoxycarbonyl hemiacetal-type ester prodrug of pyridone carboxylic acid antibacterial drug

The present invention provides a hemiacetal ester prodrug of the pyridone carboxylic acid antibacterial drug, wherein the prodrug is characterized in that, (i) it is hydrolyzed promptly after intestinal absorption and regenerates the pyridone carboxylic acid antibacterial drug as a drug substance, (ii) a one-dose package is possible by preventing chelate-formation in intestines in an oral administration, and (iii) the normal bacterial flora of the intestinal bacterial flora is not influenced at all until the ester is absorbed, because the hemiacetal-type esterification is executed on the carboxylic acid which is a center of the antibacterial action, resulting in prevention of the pseudomembranous colitis. The prodrug is an alkoxy carbonyl hemiacetal-type ester represented by the chemical formula (i), which is useful as a prodrug for inhibiting the enteric-bacterium-shift side effect, and can be used in combination with polyvalent metal-containing medicines..
Nipro Corporation

Process to extract and purify delta-9-tetrahydrocannabinol

Δ9-thc acid is extracted from cannabis flowers using a first organic solvent, then separated using a second aqueous solvent. Δ9-thc acid is converted to Δ9-thc carboxylic salt before being extracted by a third organic solvent and converted back to Δ9-thc carboxylic acid.
Axim Biotechnologies, Inc.

Process for preparing a carboxylic acid

A process for preparing a carboxylic acid, including a step of bringing at least one vicinal diol or at least one vicinal polyol into contact with an atmosphere including oxygen, and a catalyst, and in the absence of additional solvent.. .
Centre National De La Recherche Scientifique (cnrs)

Treatment of alcohol compositions

There is provided a process for reducing the water and carboxylic acid content of an alcohol composition comprising at least one alcohol having from one to four carbon atoms, water and at least one carboxylic acid having from one to four carbon atoms, wherein said process comprises: (a) forming a vapour phase alcohol composition a and a liquid phase alcohol composition b from the alcohol composition; (b) separating a second vapour phase alcohol composition c and an aqueous phase d from the liquid phase alcohol composition b in a distillation column, wherein the aqueous phase d contains the majority of the carboxylic acid that was present in the liquid phase alcohol composition b; (c) passing the vapour phase alcohol composition a to a drying unit comprising a desiccant, (d) passing the vapour phase alcohol composition c to a drying unit comprising a desiccant; and (e) recovering an alcohol composition from the drying unit of step (c) and the drying unit of step (d); wherein the recovered alcohol composition of step (c) has a reduced water and carboxylic acid content.. .
Bp P.l.c.





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