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. 13, 2011
Filed:
Oct. 24, 2006
Applicants:
Hisashi Nakagawa, Tsukuba, JP;
Masahiro Akiyama, Auderghem, BE;
Tsuyoshi Furukawa, Tsukubashi, JP;
Naohisa Tokushige, Tsuchiurashi, JP;
Inventors:
Hisashi Nakagawa, Tsukuba, JP;
Masahiro Akiyama, Auderghem, BE;
Tsuyoshi Furukawa, Tsukubashi, JP;
Naohisa Tokushige, Tsuchiurashi, JP;
Assignee:
JSR Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08G 77/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A polycarbosilane has a main chain in which silicon atoms and carbon atoms are alternately repeated, and includes a structural unit shown by the following general formula (1), a structural unit shown by the following general formula (2), a structural unit shown by the following general formula (3), and a structural unit shown by the following general formula (4).