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:
Mar. 16, 2010
Filed:
Nov. 17, 2006
Applicants:
Masami Yanagida, Ootsu, JP;
Hisayasu Kaneshiro, Uji, JP;
Takashi Kikuchi, Ootsu, JP;
Hiroyuki Tsuji, Yokohama, JP;
Inventors:
Masami Yanagida, Ootsu, JP;
Hisayasu Kaneshiro, Uji, JP;
Takashi Kikuchi, Ootsu, JP;
Hiroyuki Tsuji, Yokohama, JP;
Assignee:
Kaneka Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 47/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for producing an adhesive film includes laminating an adhesive layer containing thermoplastic polyimide onto at least one surface of a highly heat-resistant polyimide layer by coextrusion casting method, wherein a chemical dehydrator and a catalyst are contained in a precursor solution of the highly heat-resistant polyimide and/or a solution containing either the thermoplastic polyimide or a precursor of the thermoplastic polyimide.