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Acid Anhydride

Acid Anhydride-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Polycarbonate resin composition and molded product comprising same
Lotte Advanced Materials Co., Ltd.
November 30, 2017 - N°20170342262

Disclosed herein is a polycarbonate resin composition. The polycarbonate resin composition includes a polycarbonate resin, inorganic fillers, an impact modifier comprising a modified olefin-based copolymer, and olefin wax containing a reactive group comprising at least one of a carboxylic acid group, a carboxylic acid anhydride group, an epoxy group, and a glycidyl group, wherein the inorganic fillers comprise flake-type fillers ...
Surface-treated carbon fiber, surface-treated carbon fiber strand, and manufacturing method therefor
The University Of Tokyo
November 23, 2017 - N°20170335507

A surface-treated carbon fiber having a mole ratio between a carboxyl group and an acid anhydride of 50:50 to 70:30 when measured by pyrolysis gas analysis, is manufactured by spraying a reactive gas that has been made into a plasma onto the surface of a carbon fiber and introducing a functional group into the surface of the carbon fiber.
Process for preparing an ester of a cellulose ether
Dow Global Technologies Llc
November 23, 2017 - N°20170335019

A process for producing an esterified cellulose ether comprises the step of reacting a cellulose ether with an aliphatic monocarboxylic acid anhydride and/or a dicarboxylic acid anhydride and with a depolymerizing agent, wherein the cellulose ether has an initial viscosity of at least 500 mpa·s, measured as a 2 weight-% solution in water at 20° c., and the reaction ...
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Catalyst arrangement with optimized void fraction for the production of phthalic acid anhydride
Clariant International Ltd.
November 09, 2017 - N°20170320803

The invention relates to a catalyst arrangement for preparing phthalic anhydride by gas-phase oxidation of aromatic hydrocarbons, which comprises a reactor having a gas inlet end for a feed gas and a gas outlet end for a product gas and also a first catalyst zone made up of catalyst bodies and at least one second catalyst zone made up of ...
Adhesive resin composition, adhesive film, and flexible metal laminate
Clariant International Ltd.
November 02, 2017 - N°20170313916

The present invention relates to an adhesive resin composition including a styrene-ethylene-butylene-styrene copolymer with a specific chemical structure, an epoxy resin, an acid anhydride compound, and a curing catalyst, an adhesive film obtained from the resin composition, and a flexible metal laminate including the adhesive film.
Tire
Clariant International Ltd.
November 02, 2017 - N°20170313847

A tire comprising a tire frame that is formed of a resinous material and has a circular form, the resinous material including a thermoplastic polyamide-based elastomer, silica, and a silane coupling agent that has a functional group, the functional group including at least one selected from the group consisting of a nitrogen atom, a carboxyl group, an acid anhydride, and ...
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Polyamide and polyimide sticker adjuvants
Huntsman Petrochemical Llc
October 05, 2017 - N°20170280711

A sticker adjuvant that may be used in agrochemical compositions is disclosed. The sticker adjuvant is a polyether amide or a polyether imide formed by the reaction of a polyether polyamine with a polyfunctional monomer. The polyfunctional monomer may be a polyacid, a di-functional acyl halide, an acid anhydride, a poly(acid anhydride) and a mixture thereof.
Epoxy resin composition for casting
Kaneka Corporation
September 28, 2017 - N°20170275413

The object of the present invention is to provide an epoxy resin composition for casting having excellent heat resistance and thermal shock resistance. The epoxy resin composition for casting of the present invention contains a silica powder (a), a liquid epoxy resin (b), a polyether polyol (c), a liquid acid anhydride (d), a curing accelerator (e), and a core shell ...
Polypropylene composition comprising nucleating agent
Sabic Global Technologies B.v.
September 21, 2017 - N°20170267854

The invention is directed to a polypropylene composition comprising (a) a propylene-based polymer, (b) talc and (c) a functionalized polypropylene grafted with an acid or acid anhydride functional group, wherein components (a) and (c) are different, wherein the amount of the talc in the composition is 0. 025-4 wt % of the total composition and the amount of the functionalized polypropylene is 0. 005...
Composition comprising heterophasic propylene copolymer
Sabic Global Technologies B.v.
September 21, 2017 - N°20170267852

The invention is directed to a composition comprising (a) a heterophasic propylene copolymer, (b) talc and (c) a functionalized polypropylene grafted with an acid or acid anhydride functional group, wherein the heterophasic propylene copolymer consists of (a) a propylene-based matrix, wherein the propylene-based matrix consists of a propylene homopolymer and/or a propylene-α-olefin copolymer consisting of at ...
Resin laminate film, method for manufacturing same, and melamine decorative panel
Mitsubishi Chemical Corporation
September 21, 2017 - N°20170266939

The present invention provides an acrylic resin laminate film having excellent bonding properties, as well as an excellent appearance and resistance to water whitening. The present invention is a laminate film provided with a resin layer (i) comprising an acrylic resin composition (a) or a fluororesin composition (b), and a second resin layer (ii) comprising a resin composition (c) that ...
Curable composition, method for producing curable composition, cured object, method for using curable composition, and ...
Mitsubishi Chemical Corporation
September 07, 2017 - N°20170253782

Wherein r1 is a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, or a substituted or unsubstituted aryl group, the component (b) being fine particles having an average primary particle size of 5 to 40 nm, and the component (c) being a silane coupling agent that comprises an acid anhydride structure in its molecule. This invention provides: a curable composition that ...
Extruded cu-al-mn hydrogenation catalyst
Clariant International Ltd.
September 07, 2017 - N°20170252727

The invention relates to cu—al—mn shaped catalyst bodies in extruded form, and to a process for their preparation. The shaped catalyst body is suitable for the hydrogenation of organic compounds containing a carbonyl function, in particular for the hydrogenation of aldehydes, ketones and carboxylic acids and/or their esters. In particular, the shaped catalyst body is ...
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Resin composition, prepreg, metal foil with resin, metal-clad laminate, printed wiring board
Sumitomo Electric Industries, Ltd.
August 10, 2017 - N°20170226276

Unsaturated bond concentration={(number of unsaturated bonds per molecule)/(molecular weight)}/(number of acid anhydride groups per molecule)×100  (1)
Process for preparing a high molecular weight heteroaromatic polyester or copolyester
Uhde Inventa-fischer Gmbh
August 03, 2017 - N°20170218118

A process for preparing a high molecular weight heteraromatic polyester or copolyester is disclosed. A process for preparing a high molecular weight heteroaromatic polyester or copolyester includes the steps of: (a) processing comonomers by mixing together to form a homogeneous solution (1) at least one heteroaromatic dicarboxylic acid having 2-12 carbon atoms or a diester or an acid anhydride derived therefrom, ...
Stretched polyolefin fibers
Construction Research & Technology, Gmbh
August 03, 2017 - N°20170217835

The present invention relates to stretched polyolefin fibers comprising a polymer comprising at least one polymeric modifier selected from olefinic polymers modified with an acid and/or an acid anhydride, the use of these fibers in the reinforcement of cementitious compositions, and cementitious composition containing these fibers.
Nonaqueous electrolyte solution and secondary battery
Nec Corporation
July 27, 2017 - N°20170214087

The present invention relates to an electrolyte solution comprising a supporting salt, a nonaqueous solvent containing a compound having a viscosity of 1. 0 mpa-s or less in an amount of more than 50% by volume in the nonaqueous solvent, and a halogenated cyclic acid anhydride. According to the present invention, an electrolyte solution capable of suppressing gas generation is provided.
Polyimide resin precursor
Arisawa Mfg. Co., Ltd.
July 27, 2017 - N°20170210854

The polyimide resin precursor in the present embodiment is a polyimide resin precursor obtained by allowing a diamine component and a tetracarboxylic acid anhydride component to react with each other, wherein based on the whole of the diamine component, the content of p-phenylenediamine is 75 mol % or more; the tetracarboxylic acid anhydride component includes an ester-containing tetracarboxylic acid anhydride represented by ...
Coatings with flexible hyperbranched polyols
Basf Coatings Gmbh
July 06, 2017 - N°20170190931

A coating composition includes a flexible hyperbranched polyol preparable by (a) reacting a polyol comprising at least three hydroxyl groups with an aliphatic dicarboxylic acid having from 6 to 36 carbon atoms or an esterifiable derivative of the aliphatic dicarboxylic acid to form a hydroxyl-functional first intermediate product; (b) reacting the first intermediate product with a cyclic carboxylic acid anhydride to form ...
Separator including porous bonding layer and electrochemical battery including the separator
Samsung Sdi Co., Ltd.
June 22, 2017 - N°20170179456

A separator and an electrochemical battery, the separator including a porous substrate; and a porous bonding layer on one surface or both surfaces of the porous substrate, wherein the porous bonding layer includes a first polyvinylidene fluoride-based polymer, the first polyvinylidene fluoride-based polymer including a polyvinylidene fluoride-based homopolymer or a polyvinylidene fluoride-based copolymer that includes a vinylidene fluoride repeating unit ...
Molded product having effective thickness of 1 mm or more and containing aliphatic polyester resin, and ...
Kureha Corporation
June 22, 2017 - N°20170175481

Provided are a molded product having an effective thickness of 1 mm or more, the molded product being formed from an aliphatic polyester resin composition containing from 1 to 30 parts by mass of a carboxylic acid anhydride and preferably further containing from 1 to 50 parts by mass of at least one type of a short fiber reinforcing material, a thermoplastic elastomer, or an ...
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