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:
Sep. 20, 2011
Filed:
Apr. 28, 2008
Applicants:
Yasunari Okada, Chiba, JP;
Hidetoshi Ono, Chiba, JP;
Katsuki Ito, Chiba, JP;
Inventors:
Assignee:
Idemitsu Kosan Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08G 59/12 (2006.01); C08L 63/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided are: an adamantane derivative represented by the following general formula (I) giving a cured product excellent in optical characteristics such as transparency and light resistance, durabilities such as heat resistance, and electrical characteristics such as dielectric constant; a method of producing the adamantane derivative; a resin composition containing the adamantane derivative and an epoxy resin curing agent; and a sealing agent for an optical semiconductor using the resin composition: