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:
Sep. 24, 2019
Filed:
Jun. 16, 2017
Applicant:
Coopervision International Holding Company, Lp, St. Michael, BB;
Inventors:
Paul Richardson, San Ramon, CA (US);
Nancy J. Keir, Pleasanton, CA (US);
Xinfeng Shi, Fremont, CA (US);
James Mun, Dublin, CA (US);
Assignee:
CooperVision International Holding Company, LP, St. Michael, BB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/04 (2006.01);
U.S. Cl.
CPC ...
G02B 1/043 (2013.01); G02B 1/043 (2013.01); C08L 101/14 (2013.01);
Abstract
A wettable silicone hydrogel contact lens having a low ionoflux and low evaporation is manufactured by curing a silicone hydrogel polymerizable composition in a contact lens mold comprising front and back lens-forming surfaces, where one of the lens-forming surfaces has a higher polarity than the other lens-forming surface.