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. 27, 2016
Filed:
Mar. 10, 2016
Coopervision International Holding Company, Lp, St. Michael, BB;
Hiroyuki Ueyama, Nobeoka, JP;
Charlie Chen, San Ramon, CA (US);
Yuan Xu, Fremont, CA (US);
Yuwen Liu, Dublin, CA (US);
Ying Zheng, Pleasanton, CA (US);
Paul Richardson, San Ramon, CA (US);
Prasad Dande, Oakland, CA (US);
CooperVision International Holding Company, LP, St. Michael, BB;
Abstract
Optically clear silicone hydrogel contact lenses are described that comprise a polymeric lens body that is the reaction product of a polymerizable composition comprising at least 25 wt. % of at least one hydroxyalkyl methacrylate; and at least 20 wt. % of at least one HEMA-compatible bifunctional polysiloxane comprising at least 6 siloxane groups and having an HLB value of at least 5 and/or a hydroxyl group content of at least 1 wt. %.