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. 23, 2013
Filed:
Sep. 14, 2005
Applicants:
Takashi Kikuchi, Otsu, JP;
Hisayasu Kaneshiro, Uji, JP;
Inventors:
Takashi Kikuchi, Otsu, JP;
Hisayasu Kaneshiro, Uji, JP;
Assignee:
Kaneka Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 73/00 (2006.01); B32B 7/12 (2006.01); B32B 15/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A polyimide film which, especially when superposed on a metal layer by the laminating method, has the function of diminishing the thermal distortion to be imposed on the material; an adhesive film and a flexible metal-clad laminate each comprising or obtained with the polyimide film. the polyimide film is obtained by reacting an aromatic diamine with an aromatic acid dianhydride and imidiating the polyamic acid obtained, and has a storage elastic modulus in a specific range.