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:
Jan. 19, 1993
Filed:
Dec. 02, 1991
Applicant:
Inventors:
Hiroshi Inoue, Osaka, JP;
Seiichirou Takabayashi, Osaka, JP;
Tadao Muramatsu, Osaka, JP;
Tsutomu Funagoshi, Osaka, JP;
Tetsuji Hirano, Osaka, JP;
Assignee:
Ube Industries, Ltd., Yamaguchi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; C08F / ; C08F / ;
U.S. Cl.
CPC ...
428214 ; 428416 ; 428448 ; 428450 ; 4284735 ; 528 27 ; 528 40 ; 528 41 ; 528 33 ; 525431 ; 525487 ; 525523 ;
Abstract
The disclosed heat resistant adhesive composition comprises a polyimidesiloxane obtained from a biphenyltetracarboxylic acid or its derivative and a diamine composition comprising a diaminopolysiloxane and an aromatic diamine, an epoxy compound having an epoxy group, and an epoxy compound-hardening agent. An adhesive film and a composite sheet utilizing the heat resistant resinous composition are also disclosed.