Polyamideimide resin composition and flourine-based coating material

US11674039B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-11674039-B2
Application numberUS-201716486355-A
CountryUS
Kind codeB2
Filing dateFeb 20, 2017
Priority dateFeb 20, 2017
Publication dateJun 13, 2023
Grant dateJun 13, 2023

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

Disclosed are a polyamideimide resin composition comprising (A) a polyamideimide resin, (B) a 3-alkoxy-N,N-dimethylpropanamide, and (C) water; and a fluorine-based coating material comprising the polyamideimide resin composition and a fluororesin.

First claim

Opening claim text (preview).

The invention claimed is: 1. A polyamideimide resin composition comprising: (A) a polyamideimide resin, (B) a 3-alkoxy-N,N-dimethylpropanamide, (C) water, and a basic compound, wherein the polyamideimide resin composition excludes N-formylmorpholine, an acid value of the polyamideimide resin (A), composed of a combination of carboxyl groups and other carboxyl groups formed as a result of ring-opening of acid anhydride groups, is within a range from 10 to 80 mgKOH/g, and the basic compound is included in an amount of 2.5 to 10 equivalents, relative to the acid value of the polyamideimide resin (A). 2. The polyamideimide resin composition according to claim 1 , wherein a number average molecular weight of the polyamideimide resin (A) is within a range from 5,000 to 50,000. 3. The polyamideimide resin composition according to claim 1 , wherein an amount of the water (C) is at least 10% by mass of the composition.

Assignees

Inventors

Classifications

  • characterised by the solvent(s) used · CPC title

  • containing fluorine atoms · CPC title

  • Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors · CPC title

  • Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced {(electrically insulating plastics, resins or waxes H01B3/30)}; Filling pastes · CPC title

  • Polyamide-imides · CPC title

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Frequently asked questions

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What does patent US11674039B2 cover?
Disclosed are a polyamideimide resin composition comprising (A) a polyamideimide resin, (B) a 3-alkoxy-N,N-dimethylpropanamide, and (C) water; and a fluorine-based coating material comprising the polyamideimide resin composition and a fluororesin.
Who is the assignee on this patent?
Hitachi Chemical Co Ltd, Resonac Corp
What technology area does this patent fall under?
Primary CPC classification C08G73/1035. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Jun 13 2023 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).