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:
May. 28, 1996
Filed:
Sep. 26, 1991
Nobuo Ikeda, Kawasaki, JP;
Hisao Narahara, Tokyo, JP;
Minoru Iizuka, Komukainishimachi, JP;
Toshiaki Inomata, Yokohama, JP;
Tatsuo Yamaguchi, Hino, JP;
Hiroyoshi Oomika, Yokohama, JP;
Fumio Shiratori, Kawasaki, JP;
Nippon Petrochemicals Co., Ltd., Tokyo, JP;
Abstract
A photocurable resin composition comprising (a) 100 parts by weight of a modified resin prepared by reacting an .alpha.,.beta.-unsaturated dicarboxylic acid anhydride adduct having a softening point ranging from 70.degree. to 200.degree. C. and derived from a conjugated diene polymer or copolymer having a number average molecular weight of 500 to 5000 and a vinyl group content of 50 mole % or above, with an .alpha.,.beta.-unsaturated monocarboxylic acid ester having a specific alcoholic hydroxy group to open at least 10 mole % of the acid anhydride rings present in the adduct, (b) inorganic or organic powder having an average particle diameter of not larger than 5 .mu.m or inorganic powder grafted with a hydrocarbon residue, and (c) a photopolymerization initiator.