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. 07, 1992
Filed:
Feb. 27, 1990
Applicant:
Inventors:
Assignee:
Takiron Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428215 ; 428412 ; 428413 ; 428339 ; 428447 ; 428451 ; 4284735 ; 428421 ; 428422 ; 428480 ; 428483 ; 428452 ; 428522 ; 428524 ;
Abstract
Functional films comprising a thermoplastic resin having formed thereon a coating layer and a process for their production are disclosed. The films have improved properties including improved heat resistance, are inexpensive, and are for general-purpose. They are produced by baking a thin film of a phenol resin, an epoxy resin, a silicone resin, etc., onto a thermoplastic resin substrate and can be utilized for flexible printed circuit base, insulating tapes, etc.