Invention Grant
- Patent Title: Protective layer for optical devices
- Patent Title (中): 光学器件保护层
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Application No.: US14187505Application Date: 2014-02-24
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Publication No.: US09382440B2Publication Date: 2016-07-05
- Inventor: Alon Shimshon , Yair Rahamim
- Applicant: Alon Shimshon , Yair Rahamim
- Agency: Roach Brown McCarthy & Gruber, P.C.
- Agent Kevin D. McCarthy
- Priority: IL214883 20110829
- Main IPC: C08K5/00
- IPC: C08K5/00 ; C09D129/04 ; G02B1/10 ; C08F116/06
Abstract:
A protective layer for optical devices, comprising a replaceable, scratch resistant layer appliable to an optical device in such a way such that optical properties of said optical device are substantially unaltered. The optical device is undamaged by scratches made to the scratch resistant layer by a pencil having a 3H degree of hardness or by sand. The protective layer may comprise a polyvinyl butyral resin and polyvinyl alcohol.
Public/Granted literature
- US20140171570A1 PROTECTIVE LAYER FOR OPTICAL DEVICES Public/Granted day:2014-06-19
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