G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 1/04 (2006.01) B29D 11/00 (2006.01)
Patent
CA 2475648
A plastic lens and process of making it which comprises a plastic substrate comprising a benzophenone derivative represented by following general formula (I): (see formula I) wherein R represents a linear or branched alkyl group having 2 to 12 carbon atoms or an alkoxyl group having 2 to 12 carbon atoms.
Itoh Shinsuke
Kosaka Masahisa
Hoya Corporation
Marks & Clerk
LandOfFree
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