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. 05, 2013
Filed:
Sep. 11, 2007
Applicants:
Hiroshi Horikoshi, Tokyo, JP;
Motoharu Takeuchi, Tokyo, JP;
Inventors:
Hiroshi Horikoshi, Tokyo, JP;
Motoharu Takeuchi, Tokyo, JP;
Assignee:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/77 (2006.01); C08G 18/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
According to the present invention, a resin compound for optical material, comprising (a) an episulfide compound represented by a specific structural formula, (b) a xylylenedithiol compound and (c) a xylylenediisocyanate compound can be provided. In a preferable embodiment of the present invention, a resin compound for optical material having superb optical properties, a high density and a high thermal resistance can be provided. Also according to the present invention, an optical material obtained by curing the above-described resin compound can be provided.