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. 05, 2005
Filed:
Dec. 13, 2000
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 ...
B32B017/04 ; B32B027/04 ; C08L063/02 ; C08L063/04 ;
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 displays a breaking elongation of at least 5%. The composition comprises (A) at least one of a bisphenol epoxy resin (A1) and a phenol novolak type epoxy resin (A2), a polyvalent epoxy resin formed from a mononuclear aromatic backbone (B), and an aromatic amine curing agent (C).