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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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NEW Lithium-ion secondary battery
June 21, 2018 - N°20180175449

There is provided a lithium ion secondary battery having a positive electrode comprising a lithium nickel composite oxide as a positive electrode active material and a separator consisting of one or more layers selected from polyimide layer, polyamide layer, the battery having a low self-discharge failure rate even after long term storage. The present invention relates to a lithium ion ...
NEW Thermoplastic elastomer composition
June 21, 2018 - N°20180170104

A thermoplastic elastomer composition including (a) a halogenated isoolefin para-alkylstyrene copolymer, (b) a modified rubber having an acid anhydride group, (c) a polymer component including an ethylene-vinyl alcohol copolymer, (d) a processing aid comprising an alkaline earth metal salt of a higher fatty acid, and (e) a crosslinking agent, the thermoplastic elastomer composition characterized in that the weight ratio (wa) ...
Compositions and methods for making crosslinked polyolefins with peroxide initiator
Dow Global Technologies Llc
June 14, 2018 - N°20180163034

Crosslinkable interpolymer blends comprising ethylene monomer residues, residues of comonomers having carboxylic acid and/or carboxylic acid anhydride functionality, and residues of comonomers having epoxide functionality, a peroxide initiator, and optionally a crosslinking catalyst, which, in embodiments, cure to a gel content of greater than (>) 50 wt % within less than 1.5 minutes at 200˜c, and require little or ...
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Compositions and methods for restructuring chemically treated hair
L'oreal
May 24, 2018 - N°20180140532

The present disclosure relates to hair care compositions such as hair restructuring compositions and composition for chemically treating hair comprising restructuring components. The disclosure also relates to methods for using the compositions to treat hair.
Compositions and methods for improving the quality of chemically treated hair
L'oreal
May 24, 2018 - N°20180140531

The present disclosure relates to hair care compositions for chemically treating hair, to kits comprising the compositions, and to methods for treating hair with the compositions. The compositions include one or more polymeric acid compounds and/or polymeric acid anhydride compounds in addition to one or more active agents for chemically treating the hair.
Pneumatic tire
Sumitomo Rubber Industries, Ltd.
May 17, 2018 - N°20180134077

A pneumatic tire includes an inner liner disposed on an inner side of the tire. The inner liner is composed of a polymer sheet made of an elastomer composition containing a sibs modified copolymer obtained by modifying a styrene block portion of a styrene-isobutylene-styrene triblock copolymer with acid anhydride.
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Phthalonitrile compound
Lg Chem, Ltd.
May 03, 2018 - N°20180118666

The present application relates to a novel phthalonitrile compound and a use thereof. The phthalonitrile compound has a novel structure and can exhibit excellent effects in a use known for which a phthalonitrile compound can be applied.
Process for producing esterified cellulose ethers of very high molecular weight and low viscosity
Dow Global Technologies Llc
April 19, 2018 - N°20180105608

A modified process for producing an esterified cellulose ether is provided which comprises the stages of i) preparing a reaction mixture comprising a cellulose ether, an aliphatic monocarboxylic acid anhydride, a dicarboxylic acid anhydride, and a reaction diluent and heating the reaction mixture to a temperature of from 60° c. To 110° c.
Process of preparing a high molecular weight esterified cellulose ether
Dow Global Technologies Llc
April 19, 2018 - N°20180105607

An esterified cellulose ether of increased weight average molecular weight is produced in a process for reacting a cellulose ether with an aliphatic monocarboxylic acid anhydride and a dicarboxylic acid anhydride, wherein the process comprises the steps of a) preparing a reaction mixture comprising the cellulose ether, the dicarboxylic acid anhydride and a reaction diluent and heating the reaction mixture ...
Method for manufacturing water-insoluble molded article and water-insoluble molded article
Dainichiseika Color & Chemicals Mfg. Co., Ltd.
April 12, 2018 - N°20180100048

A process for producing a water-insoluble shaped material, including a step of treating a raw material shaped material containing a water-soluble salt of a polyanionic polysaccharide with a treatment liquid containing an acid anhydride to insolubilize the raw material shaped material in water, and the process makes it possible to simply produce a water-insoluble shaped material in which intrinsic characteristics ...
Semiconductor device manufacturing method and underfill film
Dexerials Corporation
March 22, 2018 - N°20180079939

A method for manufacturing a semiconductor device and an underfill film which can achieve voidless mounting and excellent solder bonding properties even in the case of collectively bonding a plurality of semiconductor chips are provided. The method includes a mounting step of mounting a plurality of semiconductor chips having a solder-tipped electrode onto an electronic component having a counter electrode ...
Silane-modified copolymer, making method, and adhesion improver
Shin-etsu Chemical Co., Ltd.
March 08, 2018 - N°20180066093

A silane-modified copolymer comprising constituent units of butadiene, constituent units having a hydrolyzable silyl group, and constituent units having acid anhydride functionality is low volatile because of its molecular weight. It may be synthesized from relatively inexpensive reactants..
Two-component type epoxy resin composition for fiber-reinforced composite material, and fiber-reinforced composite material
Toray Industries, Inc.
March 01, 2018 - N°20180057645

A two-component type epoxy resin composition for a fiber reinforced composite material is a two-component type epoxy resin composition for a fiber reinforced composite material that includes the following components [a] to [c], wherein the content of the component [c] is 6 to 25 mass parts relative to 100 mass parts of the component [a]. The fiber reinforced composite material is a fiber ...
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Low-dielectric constant polyimide insulation coating and enameled wire
February 22, 2018 - N°20180053580

By adopting the specific diacid anhydride compound and the specific diamine compound, the synthesized polyimide insulation coating can have a dielectric constant less than 3. Accordingly, the enameled wire having an insulation layer formed from the polyimide insulation coating would not readily produce partial discharge, thereby avoiding the penetrating short-circuit and the damage to the motor..
Nonaqueous electrolyte solution for secondary batteries and secondary battery provided with same
Stella Chemifa Corporation
February 01, 2018 - N°20180034102

A nonaqueous electrolytic solution exhibits excellent storage characteristics even in high-temperature environments. The solution for the secondary battery includes at least one of boron complex salts, boric acid esters, acid anhydrides, cyclic carbonates having an unsaturated bond, cyclic carbonates having a halogen atom, cyclic sulfonic acid esters, and amines having an acetoacetyl group.
Polyamide composition including hollow glass microspheres and articles and methods relating to the same
3m Innovative Properties Company
February 01, 2018 - N°20180030270

The composition can include a polyamide, hollow glass microspheres having amino groups on at least a portion of their surfaces, and an impact modifier comprising at least one of polyolefin units or polydiene units and at least one of carboxylic acid or carboxylic acid anhydride functional groups. The composition can include a matrix of a polyamide modified with an impact ...
Process for preparing an esterified cellulose ether in the presence of an aliphatic carboxylic acid
Dow Global Technologies Llc
February 01, 2018 - N°20180030158

A process for preparing an ester of a cellulose ether comprises the steps of reacting a cellulose ether with a dicarboxylic acid anhydride or with a combination of a dicarboxylic acid anhydride and an aliphatic monocarboxylic acid anhydride, wherein the esterification is conducted i) in the absence of an esterification catalyst or in the presence of no more than 0.1 mole ...
Nonaqueous electrolyte solution for secondary batteries and secondary battery provided with same
Stella Chemifa Corporation
January 25, 2018 - N°20180026303

A nonaqueous electrolytic solution for a secondary battery exhibits excellent cycle characteristics even in high-temperature environments. The solution includes at least one of boron complex salts, boric acid esters, acid anhydrides, cyclic carbonates having an unsaturated bond, cyclic carbonates having a halogen atom, cyclic sulfonic acid esters, and amines having an acetoacetyl group.
Medical/cosmetic material and adhesion preventing material
Dainichiseika Color & Chemicals Mfg. Co., Ltd.
January 25, 2018 - N°20180021482

There is provided a medical/cosmetic material that retains the properties which are inherent in a polyanionic polysaccharide being a raw material, that has a high level of safety because there is no need to use a chemical crosslinking agent during production, and that makes it possible to place a powder of a water-insoluble polyanionic polysaccharide at an affected area ...
Medical material and anti-adhesion material
Dainichiseika Color & Chemicals Mfg. Co., Ltd.
January 25, 2018 - N°20180021477

There is provided a medical material that retains the properties which are inherent in a polyanionic polysaccharide being a raw material, that has a high level of safety because there is no need to use a chemical crosslinking agent during production, and that has a moderate strength with which a suture and the like can be conducted. The medical material ...
Nonaqueous electrolyte solution for secondary batteries and secondary battery provided with same
Stella Chemifa Corporation
January 18, 2018 - N°20180019498

A nonaqueous electrolytic solution for a secondary battery exhibits excellent cycle characteristics even in high-temperature environments. The solution includes at least one of boric acid esters, acid anhydrides, cyclic carbonates having an unsaturated bond, cyclic carbonates having a halogen atom, cyclic sulfonic acid esters, and amines having an acetoacetyl group.
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