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:
Oct. 10, 2000
Filed:
Apr. 06, 1998
Applicant:
Inventors:
Hiroaki Yamaguchi, Chiba, JP;
Hideki Ozawa, Chiba, JP;
Hideharu Watakabe, Yamaguchi, JP;
Toshihiko Anno, Yamaguchi, JP;
Assignee:
Ube Industries, Ltd., Yamaguchi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; B32B / ; C08G / ;
U.S. Cl.
CPC ...
428336 ; 428458 ; 4284735 ; 524301 ; 524399 ; 524430 ; 524437 ; 524441 ; 528180 ; 528319 ;
Abstract
In a heat-resistant aromatic polyimide/metal (or metal oxide) composite sheet composed of an aromatic polyimide film and a metal or metal oxide layer arranged on the film, the polyimide film is composed of an aromatic polyimide resin and an Al-containing material dispersed in the polyimide resin in an amount of 1 to 1,000 ppm per the amount of polyimide film, and the metal or metal oxide layer is formed on the polyimide film via no adhesive.