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:
Feb. 28, 2012
Filed:
Jan. 08, 2004
Applicants:
Masaki Baba, Kasugai, JP;
Tsuyoshi Watanabe, Kasugai, JP;
Inventors:
Masaki Baba, Kasugai, JP;
Tsuyoshi Watanabe, Kasugai, JP;
Assignee:
Menicon Co., Ltd., Nagoya-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/04 (2006.01); C08F 290/04 (2006.01); C08F 30/08 (2006.01); C08F 283/12 (2006.01); G02C 7/04 (2006.01); B28B 1/14 (2006.01); C08J 3/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
[Problem] To provide a safe ocular lens material having high oxygen permeability, excellent surface wettability, the excellent lubricity/easy lubricating property of surface, little in surface adhesive and superior flexibility and stress relaxation, in addition, suppressing elution of a monomer from the final product. [Means for Solving the Problem] An ocular lens comprising a compound (A) having an ethylenically unsaturated group and polydimethylsiloxane structure through a urethane bond and an 1-alkyl-3-methylene-2-pyrrolidone (B). [Selected Figure] None