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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 12590208 B1

PDFFull Text
Date of Patent:
Mar. 31, 2026

Filed:

Jul. 30, 2021

Thermoplastic resin foam, thermoplastic resin foam sheet, fiber-reinforced resin composite, method for manufacturing thermoplastic resin foam, thermoplastic resin foam molded article, method for manufacturing thermoplastic resin foam molded article, and foamed resin composite

Applicant:

Sekisui Kasei Co., Ltd., Osaka, JP;

Inventors:

Tetsuro Tai, Osaka, JP;

Kohei Tazumi, Osaka, JP;

Kohei Yamada, Osaka, JP;

Yusuke Kuwabara, Osaka, JP;

Assignee:

SEKISUI KASEI CO., LTD., Osaka, JP;

Attorney:

Greenblum & Bernstein, P.L.C.

Primary Examiner:

James C Yager

Int. Cl.
CPC ...
C08L 67/02 (2006.01); B32B 1/00 (2006.01); B32B 5/02 (2006.01); B32B 5/18 (2006.01); B32B 5/24 (2006.01); B65D 1/34 (2006.01); B65D 65/40 (2006.01); B65D 81/34 (2006.01); C08J 9/14 (2006.01); C08L 79/08 (2006.01); B29C 44/20 (2006.01); B29K 79/00 (2006.01); B29K 105/00 (2006.01); B29K 105/04 (2006.01); B29K 105/26 (2006.01); B29L 31/00 (2006.01);
U.S. Cl.
CPC ...
C08L 67/02 (2013.01); B32B 1/00 (2013.01); B32B 5/02 (2013.01); B32B 5/18 (2013.01); B32B 5/245 (2013.01); B65D 1/34 (2013.01); B65D 65/40 (2013.01); B65D 81/3446 (2013.01); C08J 9/141 (2013.01); C08L 79/08 (2013.01); B29C 44/206 (2013.01); B29K 2079/085 (2013.01); B29K 2105/04 (2013.01); B29K 2105/251 (2013.01); B29K 2105/26 (2013.01); B29L 2031/712 (2013.01); B32B 2260/023 (2013.01); B32B 2260/046 (2013.01); B32B 2266/0264 (2013.01); B32B 2266/06 (2013.01); B32B 2307/308 (2013.01); B32B 2307/54 (2013.01); B32B 2439/02 (2013.01); B32B 2439/70 (2013.01); C08J 2203/182 (2013.01); C08J 2367/02 (2013.01); C08J 2379/08 (2013.01); C08J 2467/02 (2013.01); C08J 2479/08 (2013.01);
Abstract

A thermoplastic resin foam including a thermoplastic resin, wherein: the thermoplastic resin includes a polyester resin and a polyimide resin, and the thermoplastic resin foam shows a single glass transition temperature Tg. The glass transition temperature of the thermoplastic resin is preferably 80 to 130° C. An absolute value of difference between heat absorption and heat generation, each determined by heat flux differential scanning calorimetry at a heating rate of 10° C./min, is preferably 3 to 35 J/g.

Find Patent Forward Citations

Tai, Tetsuro. (2026). Thermoplastic resin foam, thermoplastic resin foam sheet, fiber-reinforced resin composite, method for manufacturing thermoplastic resin foam, thermoplastic resin foam molded article, method for manufacturing thermoplastic resin foam molded article, and foamed resin composite (U.S. Patent No. 12590208). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12590208

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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