logo

For the Inventor, By the Inventor

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 12703776 B1

PDFFull Text
Date of Patent:
Aug. 11, 2026

Filed:

Mar. 09, 2022

Foamed particles of aromatic polyester resin, production method therefor, molded foam, and member for vehicle

Applicant:

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

Inventor:

Yusuke Kuwabara, Osaka, JP;

Assignee:

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

Attorney:

Wenderoth, Lind & Ponack, L.L.P.

Primary Examiner:

Yan Lan

Int. Cl.
CPC ...
C08J 9/228 (2006.01); B29B 9/06 (2006.01); B29C 48/00 (2019.01); B29C 48/395 (2019.01); B29C 48/88 (2019.01); B29K 67/00 (2006.01); C08J 9/14 (2006.01); C08J 9/18 (2006.01);
U.S. Cl.
CPC ...
C08J 9/228 (2013.01); B29B 9/065 (2013.01); B29C 48/0012 (2019.02); B29C 48/0022 (2019.02); B29C 48/022 (2019.02); B29C 48/397 (2019.02); B29C 48/919 (2019.02); C08J 9/141 (2013.01); C08J 9/18 (2013.01); B29K 2067/003 (2013.01); C08J 2201/03 (2013.01); C08J 2203/14 (2013.01); C08J 2367/02 (2013.01);
Abstract

An object of the present invention is to provide an aromatic polyester-based resin foam molded product having excellent mechanical properties, foamed aromatic polyester-based resin particles for producing the foam molded product, or a method for producing the foamed particles. The present invention relates to foamed aromatic polyester-based resin particles, wherein crystallinity (A) in a particle central portion and crystallinity (B) in a particle surface layer are both 10% or less, and a ratio of the crystallinity in the surface layer to the crystallinity in the central portion (B/A) is 0.3 to 1.4.

Find Patent Forward Citations

Kuwabara, Yusuke. (2026). Foamed particles of aromatic polyester resin, production method therefor, molded foam, and member for vehicle (U.S. Patent No. 12703776). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12703776

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

Loading…