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:
Sep. 20, 2011
Filed:
Sep. 07, 2007
Applicants:
Yuji Yamane, Annaka, JP;
Noriyuki Koike, Takasaki, JP;
Hirofumi Kishita, Annaka, JP;
Koichi Yamaguchi, Takasaki, JP;
Inventors:
Yuji Yamane, Annaka, JP;
Noriyuki Koike, Takasaki, JP;
Hirofumi Kishita, Annaka, JP;
Koichi Yamaguchi, Takasaki, JP;
Assignee:
Shin-Etsu Chemical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 77/46 (2006.01);
U.S. Cl.
CPC ...
Abstract
A perfluoropolyether-polyorganosiloxane copolymer comprising at least one perfluoropolyether block, at least one polyorganosiloxane block which may has a silalkylene group, and two monovalent groups represented by the following formula (1), each one at both ends of the copolymer,