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. 01, 2015
Filed:
Feb. 23, 2012
Charlie Chen, San Ramon, CA (US);
Yuwen Liu, Dublin, CA (US);
Yuan Xu, Fremont, CA (US);
Ying Zheng, Pleasanton, CA (US);
Junhao GE, Fremont, CA (US);
LI Yao, Johns Creek, GA (US);
Arthur Back, Danville, CA (US);
Charlie Chen, San Ramon, CA (US);
Yuwen Liu, Dublin, CA (US);
Yuan Xu, Fremont, CA (US);
Ying Zheng, Pleasanton, CA (US);
Junhao Ge, Fremont, CA (US);
Li Yao, Johns Creek, GA (US);
Arthur Back, Danville, CA (US);
CooperVision International Holding Company, LP, St. Michael, BB;
Abstract
Silicone hydrogel contact lenses are described. The lenses are derived from a polymerizable composition including 30-60 unit parts by weight of a hydrophilic monomer(s) having one N-vinyl group, 10 to 50 unit parts by weight of 2-hydroxyethyl methacrylate (HEMA), and a first siloxane monomer component comprising a siloxane monomer of formula (1) as described herein or a siloxane monomer of formula (2) as described herein or a siloxane monomer of formula (3) as described herein or any combination thereof, where the total amount of siloxane monomer(s) present in the polymerizable composition is from 15 to 40 unit parts by weight. Batches of silicone hydrogel contact lenses and methods of making silicone hydrogel contact lenses are also described.