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:
Jul. 12, 2011
Filed:
Mar. 14, 2006
Applicants:
Ryuichiro Taniguchi, Kyoto, JP;
Hiroko Mitsui, Otsu, JP;
Mitsuhito Suwa, Otsu, JP;
Inventors:
Assignee:
Toray Industries, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/50 (2006.01);
U.S. Cl.
CPC ...
Abstract
Using a photosensitive resin composition comprising a polyimide (a) having, at the end of the main chain, at least one group selected from the group consisting of a carboxyl group, a phenolic hydroxyl group, a sulfonic acid group and a thiol group, an unsaturated bond-containing polymerizable compound (b1) represented by the general formula (1), and a photopolymerization initiator (c), it is possible to conduct alkaline development and to form a polyimide film having excellent heat resistance, strength and elongation.