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:
Nov. 13, 2007
Filed:
Aug. 20, 2003
Tsuguo Yamaoka, Funabashi, JP;
Katsuhiro Ito, Yokkaichi, JP;
Takeshi Iwasaki, Ichihara, JP;
Ikuo Shimizu, Yokkaichi, JP;
Tsuguo Yamaoka, Funabashi, JP;
Katsuhiro Ito, Yokkaichi, JP;
Takeshi Iwasaki, Ichihara, JP;
Ikuo Shimizu, Yokkaichi, JP;
Kyowa Hakko Kogyo Co., Ltd., Tokyo, JP;
Abstract
The present invention provides a visible light-sensitive composition which is highly sensitive to a visible light and is useful as an electronic circuit forming material, a lithographic printing material, etc., said visible light-sensitive composition comprising (a) a polymer comprising a repeating unit represented by general formula (I): wherein R, R, and Rare the same or different and each represents substituted or unsubstituted alkyl, substituted or unsubstituted aryl, or substituted or unsubstituted aralkyl, or alternatively Rand Rform cycloalkyl together with the adjacent carbon atom, and Rrepresents lower alkyl, (b) a compound that generates an acid by visible light irradiation and (c) a sensitizing dye.