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. 06, 2010
Filed:
Aug. 04, 2004
Hitoshi Okazaki, Tokyo, JP;
Junya Hayakawa, Tokyo, JP;
Motoharu Takeuchi, Tokyo, JP;
Masahiro Johno, Tokyo, JP;
Kenji Ishii, Tokyo, JP;
Hitoshi Okazaki, Tokyo, JP;
Junya Hayakawa, Tokyo, JP;
Motoharu Takeuchi, Tokyo, JP;
Masahiro Johno, Tokyo, JP;
Kenji Ishii, Tokyo, JP;
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Abstract
There are provided a photocurable composition capable of being readily cured by irradiation of ultraviolet rays and a cured product of the photocurable composition, as well as a coating composition and a coating film obtained from the coating composition. The cured product exhibits a high refractive index, a less discoloration and an excellent transparency. The present invention relates to a photocurable composition comprising (A) an episulfide compound containing a thiirane ring; and (B) a photo-base generator represented by the general formula (1): wherein Ar is phenyl, etc.; R is an alkyl group, etc.; —Ais an ammonium ion; and Xis a borate anion, etc., and a coating composition comprising the photocurable composition and (C) a modified silicone oil, as well as a cured product and a coating film obtained from these compositions.