Organosilane coating composition for ophthalmic lens

Details Organosilane coating composition for ophthalmic lens Organosilane coating composition for ophthalmic lens

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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patent: 4348462 (1982-09-01), Chung
patent: 4525421 (1985-06-01), Kubota et al.
patent: 5073476 (1991-12-01), Meier et al.
patent: 5221560 (1993-06-01), Perkins et al.

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