Invention Grant
- Patent Title: Method of manufacturing silicone hydrogel contact lenses having reduced rates of evaporation
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Application No.: US15624723Application Date: 2017-06-16
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Publication No.: US10422927B2Publication Date: 2019-09-24
- Inventor: Paul Richardson , Nancy J. Keir , Xinfeng Shi , James Mun
- Applicant: CooperVision International Holding Company, LP
- Applicant Address: BB St. Michael
- Assignee: CooperVision International Holding Company, LP
- Current Assignee: CooperVision International Holding Company, LP
- Current Assignee Address: BB St. Michael
- Agency: Kilyk & Bowersox, P.L.L.C.
- Main IPC: G02B1/04
- IPC: G02B1/04
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.
Public/Granted literature
- US20180017712A1 Method Of Manufacturing Silicone Hydrogel Contact Lenses Having Reduced Rates Of Evaporation Public/Granted day:2018-01-18
Information query
