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. 11, 2003
Filed:
Apr. 18, 2000
Applicant:
Inventors:
Yuichi Yoshimura, Chiba-ken, JP;
Motoharu Takeuchi, Tokyo, JP;
Atsuki Niimi, Tokyo, JP;
Hiroshi Horikoshi, Chiba-ken, JP;
Assignee:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K 3/30 ;
U.S. Cl.
CPC ...
C08K 3/30 ;
Abstract
Optical materials which are cured compositions of a mixture of (a) a compound comprising sulfur and (b) an inorganic compound comprising at least one atom selected from the group consisting of sulfur atom and selenium atom, the optical material being obtained by curing the compositions by polymerization. Optical materials having a large refractive index and a large Abbe number are obtained from the compositions.