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. 09, 2021
Filed:
Apr. 27, 2017
Applicant:
Nof Corporation, Tokyo, JP;
Inventors:
Yoshihisa Shimamura, Kawasaki, JP;
Yosuke Matsuoka, Kawasaki, JP;
Assignee:
NOF CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 133/14 (2006.01); C08F 120/28 (2006.01); C09D 5/00 (2006.01); C08J 7/04 (2020.01); G02C 7/04 (2006.01); C08F 299/00 (2006.01); C08G 65/332 (2006.01); C08G 65/337 (2006.01); C08F 220/28 (2006.01);
U.S. Cl.
CPC ...
C09D 133/14 (2013.01); C08F 120/28 (2013.01); C08F 220/28 (2013.01); C08F 299/00 (2013.01); C08G 65/337 (2013.01); C08G 65/3322 (2013.01); C08J 7/0427 (2020.01); C09D 5/00 (2013.01); G02C 7/04 (2013.01); G02C 7/049 (2013.01); C08F 220/286 (2020.02); C08J 2383/04 (2013.01); C08J 2433/14 (2013.01);
Abstract
Provided is a silicone contact lens having surface hydrophilicity and surface lubricity. It has been confirmed that a silicone contact lens including, on its surface, a graft polymer chain derived from a polyoxyethylene compound having a plurality of hydroxyl groups at a terminal thereof has surface hydrophilicity and surface lubricity.