Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Compositions to be polymerized by wave energy wherein said...
Patent
1992-11-05
1995-01-31
Berman, Susan W.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Compositions to be polymerized by wave energy wherein said...
522 66, 522 84, 522170, 522172, 523106, 523107, 351160R, 351159, C08F 250, C08J 706, C08K 336, C08K 554
Patent
active
053859553
ABSTRACT:
A radiation-curable coating composition for ophthalmic lens is disclosed which comprises a mixture of a monoepoxysilane, colloidal silica, an alkylalkoxysilane or tetraalkoxysilane, and an ultraviolet activated photoinitiator capable of initiating a cationic cure of such composition. The photoinitiator is an aromatic onium salt or an iron arene salt complex.
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Tarshiani Yassin Y.
Weber Steven A.
Berman Susan W.
Essilor of America, Inc.
Mason, Jr. Joseph C.
Smith Ronald E.
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