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:
Oct. 14, 2014
Filed:
Jul. 25, 2011
Katsuya Sakayori, Tokyo-to, JP;
Katsuya Sakayori, Tokyo-to, JP;
Dai Nippon Printing Co., Ltd., Tokyo-to, JP;
Abstract
A polyimide precursor and a polyimide precursor resin composition, the polyimide precursor having repeating units represented by formula (1) and a photosensitive resin composition comprising the polyimide precursor and a photoacid generator or photobase generator: where Ris a tetravalent organic group; Ris a divalent organic group; Rs may be the same or different from each other and Rs may be the same or different from each other in the repeating units; Rand Rrespectively represent a monovalent organic group having a structure represented by formula (2) and may be the same or different from each other; and Rs and Rs in the repeating units may be the same or different from each other, respectively. R, R, Rand Rare as described in the specification.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile