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:
Jun. 14, 2011
Filed:
Feb. 01, 2007
Hajime Ito, Chiba, JP;
Yasunari Okada, Chiba, JP;
Hideki Yamane, Chiba, JP;
Nobuaki Matsumoto, Chiba, JP;
Hajime Ito, Chiba, JP;
Yasunari Okada, Chiba, JP;
Hideki Yamane, Chiba, JP;
Nobuaki Matsumoto, Chiba, JP;
Idemitsu Kosan Co., Ltd., Tokyo, JP;
Abstract
An adamantane derivative of formula (I), a compound of formula (VII) or (VIII), compositions containing them, and optical electronic members using the resin compositions. In the formulas, W represents, for example, a hydrogen atom, X is bonded to a bridge-head adamantane carbon and represents, for example, a group of represented by the general formula (II), Y represents a group of formula (V) or (VI), Rrepresents a methyl group or an ethyl group, Rrepresents a Cto Chydrocarbon group which may contain O or S, m is an integer of 2 to 4, k is an integer of 0 to (16−m) and p and q are each an integer of 1 to 5.