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:
Jun. 12, 2007
Filed:
Dec. 21, 2004
Applicants:
Takashi Kaneko, Nagoya, JP;
Kazutami Mitani, Nagoya, JP;
Inventors:
Takashi Kaneko, Nagoya, JP;
Kazutami Mitani, Nagoya, JP;
Assignee:
Mitsubishi Rayon Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B32B 17/04 (2006.01); B32B 27/04 (2006.01); C08L 63/02 (2006.01); C08L 63/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A composition useful as a matrix for fiber-reinforced composites possesses a viscosity at 25° C. of no more than 1000 mPa·s and provides a cured product displaying a breaking elongation of at least 5%. The composition comprises (A) at least one of a bisphenol epoxy resin (A1) and a phenol novolak epoxy resin (A2), a polyvalent epoxy resin formed from a mononuclear aromatic backbone (B), an aromatic amine curing agent (C), and a rubber (D).