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:
Mar. 05, 2013
Filed:
Mar. 11, 2008
Motoharu Takeuchi, Tokyo, JP;
Hiroshi Horikoshi, Tokyo, JP;
Hiroaki Tanaka, Tokyo, JP;
Hirohito Ishizuka, Tokyo, JP;
Motoharu Takeuchi, Tokyo, JP;
Hiroshi Horikoshi, Tokyo, JP;
Hiroaki Tanaka, Tokyo, JP;
Hirohito Ishizuka, Tokyo, JP;
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Abstract
The present invention can provide a composition for optical members, which contains (a) a compound having one or more of any group selected from the group consisting of an acryloyl group, a methacryloyl group, an allyl group and a vinyl group and one or more β-epithiopropyl groups in a molecule. In a preferable embodiment of the present invention, the composition for optical members further contains at least one compound selected from (b) a compound having one or more β-epithiopropyl groups in a molecule while having no polymerizable unsaturated bond group, (c) an inorganic compound having a sulfur atom and/or a selenium atom, (d) a compound having one or more thiol groups in a molecule, (e) a compound having one or more amino groups in a molecule while having no heterocyclic ring, and (f) a compound having one or more of at least one group selected from the group consisting of a vinyl group, an acryloyl group, a methacryloyl group and an allyl group in a molecule.