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.:
Date of Patent:
Feb. 19, 2019
Filed:
Jun. 22, 2016
Applicant:
Hexcel Corporation, Dublin, CA (US);
Inventors:
Gordon Emmerson, Dublin, CA (US);
Yen-Seine Wang, San Ramon, CA (US);
Jessica Leandro, Freemont, CA (US);
Assignee:
HEXCEL CORPORATION, Dublin, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08J 5/24 (2006.01); B32B 27/38 (2006.01); B32B 27/08 (2006.01); B32B 27/20 (2006.01); B64C 3/00 (2006.01); B64C 5/02 (2006.01); B64C 1/00 (2006.01); B64C 27/473 (2006.01);
U.S. Cl.
CPC ...
C08J 5/24 (2013.01); B32B 27/08 (2013.01); B32B 27/20 (2013.01); B32B 27/38 (2013.01); B64C 3/00 (2013.01); B64C 5/02 (2013.01); B32B 2262/106 (2013.01); B32B 2264/0214 (2013.01); B32B 2264/0264 (2013.01); B32B 2605/18 (2013.01); B64C 2001/0072 (2013.01); B64C 2027/4736 (2013.01); C08J 2363/04 (2013.01); C08J 2463/00 (2013.01); C08J 2463/02 (2013.01); C08J 2479/08 (2013.01); C08J 2481/06 (2013.01);
Abstract
Pre-impregnated composite material (prepreg) that can be cured/molded to form aerospace composite parts. The prepreg includes carbon reinforcing fibers and an uncured resin matrix. The resin matrix includes an epoxy component that is a combination of a hydrocarbon epoxy novolac resin and a trifunctional epoxy resin and a tetrafunctional epoxy resin. The resin matrix includes polyethersulfone as a toughening agent and a thermoplastic particle component that includes a mixture of polyamide particles and polyimide particles.