Edge coated ophthalmic lenses

Details Edge coated ophthalmic lenses Edge coated ophthalmic lenses

2005-03-01

2005-03-01

Berman, Susan (Department: 1711)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

C351S177000, C522S041000, C522S042000, C522S039000, C522S037000, C522S043000, C522S064000, C522S096000, C522S173000, C522S079000, C522S080000, C522S074000, C522S077000, C427S002240, C427S508000, C427S514000, C427S515000

Reexamination Certificate

active

06860600

ABSTRACT:
The disclosure relates to the provision of a lens having front and back optical surfaces bound by a peripheral edge, wherein the peripheral edge is coated with an edge coating that strongly bonds to the edge but that only weakly bonds to the optical surface, and wherein the edge coating is durable. A method of coating and a composition are also disclosed. The composition is preferably selected from a limited group of UV curable acrylates.

REFERENCES:
patent: 4544572 (1985-10-01), Sandvig et al.
patent: 4814207 (1989-03-01), Siol et al.
patent: 4879318 (1989-11-01), Lipscomb et al.
patent: 5246728 (1993-09-01), Rodriquez
patent: 6514574 (2003-02-01), Valeri et al.
patent: 0 314 979 (1992-12-01), None
patent: WO 9217535 (1992-10-01), None
patent: WO 9623243 (1996-08-01), None

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