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.:

US 7981320 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 19, 2011

Filed:

Mar. 14, 2007
Applicants:

Masatomi Irisawa, Saitama, JP;

Ken Matsumoto, Saitama, JP;

Inventors:

Masatomi Irisawa, Saitama, JP;

Ken Matsumoto, Saitama, JP;

Assignee:

Adeka Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/00 (2006.01); C09K 19/06 (2006.01); C09K 19/52 (2006.01); G02F 1/03 (2006.01); G02F 1/13 (2006.01);
U.S. Cl.
CPC ...
Abstract

A polymerizable composition comprising a bifunctional (meth)acrylate compound represented by the following general formula (1) and a monofunctional (meth)acrylate compound represented by the general formula (2): Rand Reach=a hydrogen atom, methyl group, or halogen atom; A, A, Aeach=a benzene, cyclohexane, cyclohexene, naphthalene, decahydronaphthalene, tetrahydronaphthalene, or phenanthrene ring; rings may be substituted with 1-8 carbon atom alkyl group, 1-8 carbon atom alkoxy group, a halogen atom, or a cyano group; at least one of A, A, and Acomprises a substituent; —CH═ may be replaced by —N═, and —CH— may be replaced by —S— or —O—: L, L, Leach=a single bond, —COO—, —OCO—, —(CH)—, —CH═CH—, —(CH)O—, —CH═CHCHO—, —CH≡C—, —(CH)COO—, or —CF═CF—; n=integer 0-3; and, when n≧2, Land Amay be the same or different; p and q each=an integer 1-8:


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