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. 04, 2006
Filed:
Sep. 16, 2002
Kazunori Ueno, Ebina, JP;
Yomishi Toshida, Yokohama, JP;
Yuichi Hashimoto, Tokyo, JP;
Akihiro Senoo, Tokyo, JP;
Seiji Mashimo, Tokyo, JP;
Kazunori Ueno, Ebina, JP;
Yomishi Toshida, Yokohama, JP;
Yuichi Hashimoto, Tokyo, JP;
Akihiro Senoo, Tokyo, JP;
Seiji Mashimo, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A silicon compound having a repeating unit represented by the following general formula (1):wherein R is a hydrogen atom, a straight or branched alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group, Ar is a substituted or unsubstituted aryl group or an unsubstituted heterocyclic group, m is an integer of 2 or more, and n is an integer of 5,000 or less.