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:
Apr. 23, 2019
Filed:
Jul. 16, 2015
Applicant:
Toray Industries, Inc., Tokyo, JP;
Inventors:
Assignee:
TORAY INDUSTRIES, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/38 (2006.01); B32B 27/26 (2006.01); B32B 27/20 (2006.01); B32B 27/04 (2006.01); C08J 5/24 (2006.01); C08G 59/40 (2006.01); C08G 59/68 (2006.01); C08L 63/00 (2006.01); C08G 59/46 (2006.01); C08K 3/38 (2006.01); C08K 5/315 (2006.01); C08K 5/3445 (2006.01); C08G 59/22 (2006.01); C08G 59/24 (2006.01); C08G 59/38 (2006.01); C08G 59/50 (2006.01); C08J 5/04 (2006.01); C09J 163/00 (2006.01);
U.S. Cl.
CPC ...
C08G 59/4021 (2013.01); C08G 59/226 (2013.01); C08G 59/245 (2013.01); C08G 59/38 (2013.01); C08G 59/46 (2013.01); C08G 59/5073 (2013.01); C08J 5/042 (2013.01); C08J 5/24 (2013.01); C08K 3/38 (2013.01); C08K 5/315 (2013.01); C08K 5/3445 (2013.01); C08L 63/00 (2013.01);
Abstract
Provided are: an epoxy resin composition for fiber-reinforced composite materials, which has a good balance between storage stability and fast curing properties at high levels; a prepreg; and an epoxy resin composition which exhibits excellent mechanical characteristics as a fiber-reinforced composite material. A resin composition which contains an epoxy resin, dicyandiamide, an imidazole compound and an acidic compound, while satisfying the following conditions (a)-(c):