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. 25, 2008
Filed:
Nov. 09, 2004
Applicants:
Kazunori Kondo, Ibaraki-ken, JP;
Shigehiro Hoshida, Ibaraki-ken, JP;
Michio Aizawa, Ibaraki-ken, JP;
Tadashi Amano, Ibaraki-ken, JP;
Inventors:
Kazunori Kondo, Ibaraki-ken, JP;
Shigehiro Hoshida, Ibaraki-ken, JP;
Michio Aizawa, Ibaraki-ken, JP;
Tadashi Amano, Ibaraki-ken, JP;
Assignee:
Shin-Etsu Chemical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/30 (2006.01); B32B 27/32 (2006.01); B32B 27/36 (2006.01); B32B 27/38 (2006.01); C08L 33/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An adhesive sheet made of an acrylic adhesive composition comprising (A) an acrylic polymer containing carboxyl groups and having a Tg of 5-30° C., (B) a resol phenolic resin, (C) an epoxy resin, and (D) a curing accelerator has improved heat resistance, processing and handling as well as good adhesion, and is suited for use in the manufacture of FPC.