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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 12643267 B1

PDFFull Text
Date of Patent:
Jun. 02, 2026

Filed:

Apr. 27, 2021

Method for producing composite material

Applicant:

Teijin Limited, Osaka, JP;

Inventors:

Miki Horikawa, Osaka, JP;

Takaya Suzuki, Osaka, JP;

Assignee:

TEIJIN LIMITED, Osaka, JP;

Attorney:

Sughrue Mion, PLLC

Primary Examiner:

Andrew D Graham

Int. Cl.
CPC ...
B29C 70/00 (2006.01); B29C 35/02 (2006.01); B29C 70/02 (2006.01); B29K 63/00 (2006.01); B29K 79/00 (2006.01); B29K 307/04 (2006.01);
U.S. Cl.
CPC ...
B29C 35/0294 (2013.01); B29C 70/003 (2021.05); B29C 70/025 (2013.01); B29K 2063/00 (2013.01); B29K 2079/08 (2013.01); B29K 2307/04 (2013.01);
Abstract

A prepreg consisting of a fiber reinforcement material and a resin composition containing a bismaleimide resin is molded through a first heating step in which the prepreg is held at a temperature (T) equal to or higher than a temperature at which the resin composition exhibits a viscosity of 100 (Pa·s) and equal to or lower than a temperature at which the resin composition exhibits the minimum viscosity for 30 minutes or more, followed by being held at a temperature equal to or higher than a curing temperature of the bismaleimide resin.

Find Patent Forward Citations

Horikawa, Miki. (2026). Method for producing composite material (U.S. Patent No. 12643267). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12643267

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

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