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. 31, 1989
Filed:
Jan. 13, 1987
Applicant:
Inventors:
Kazunori Motonari, Ube, JP;
Kazuo Kumamoto, Ube, JP;
Shigeto Turuda, Matsuura, JP;
Yutaka Ito, Matsuura, JP;
Taiichiro Mitsutake, Matsuura, JP;
Assignees:
Ube Industries, Ltd., Ube, JP;
Chukoh Chemical Industries, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B05D / ;
U.S. Cl.
CPC ...
428421 ; 427 40 ; 427 41 ; 428422 ; 4284735 ;
Abstract
A polyimide film having a fluorocarbon resin layer wherein a fluorocarbon resin film treated on its surface with electric discharge is superposed or a fluorocarbon resin coating layer is formed on a surface or surfaces of an aromatic polyimide film, said surface(s) of the polyimide film having been treated with electric discharge.