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. 15, 2008
Filed:
Sep. 16, 2005
Applicants:
Hisashi Nakagawa, Tsukuba, JP;
Masahiro Akiyama, Tsukuba, JP;
Takahiko Kurosawa, Ibaraki, JP;
Atsushi Shiota, San Jose, CA (US);
Inventors:
Hisashi Nakagawa, Tsukuba, JP;
Masahiro Akiyama, Tsukuba, JP;
Takahiko Kurosawa, Ibaraki, JP;
Atsushi Shiota, San Jose, CA (US);
Assignee:
JSR Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08F 77/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A polycarbosilane, having a main chain in which silicon atoms and carbon atoms are alternately repeated, includes a repeating unit shown by a following general formula (1), a repeating unit shown by a following general formula (2), and a repeating unit shown by a following general formula (3).