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:
Aug. 18, 2020
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 ...
C08F 299/02 (2006.01); C08G 65/02 (2006.01); C08G 65/332 (2006.01); C08F 116/12 (2006.01); C08L 71/02 (2006.01); G02B 1/04 (2006.01); G02C 7/04 (2006.01);
U.S. Cl.
CPC ...
C08G 65/02 (2013.01); C08F 116/12 (2013.01); C08F 299/02 (2013.01); C08F 299/024 (2013.01); C08G 65/3322 (2013.01); C08L 71/02 (2013.01); G02B 1/043 (2013.01); C08G 2261/32 (2013.01); C08L 2205/05 (2013.01); G02C 7/049 (2013.01);
Abstract
Provided is a silicone contact lens having surface hydrophilicity and surface lubricity. The silicone contact lens includes, on its surface, a graft polymer chain derived from a branched polyoxyethylene compound represented by the formula (1): where n represents from 3 to 1,150, a represents 0 or 2, and Rrepresents a hydrogen atom or a methyl group.