Aliphatic polyesterpolyol-based urethane methacrylate edge...

Details Aliphatic polyesterpolyol-based urethane methacrylate edge... Aliphatic polyesterpolyol-based urethane methacrylate edge...

2008-07-14

2011-12-27

Tran, Thao T. (Department: 1787)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

C351S174000, C428S001310, C428S001320

Reexamination Certificate

active

08083349

ABSTRACT:
An edge coated glass polarized lens includes a lens body and an edge coating made from a UV curable material having a composition including: an aliphatic polyesterpolyol based urethane methacrylate formed by reaction of reactants including an aliphatic polyesterpolyol, a hydroxyalkyl methacrylate, and a diisocyanate, and having a number average molecular weight ranging from 800 to 4500; a reactive diluent including a methacrylate monomer; an adhesion enhancer including a silane material selected from methacrylate-functional silane, amino methacrylate-functional silane, vinyl-functional silane, and combinations thereof; and a photo initiator.

REFERENCES:
patent: 4076863 (1978-02-01), Onoki et al.
patent: 5220358 (1993-06-01), Brown et al.
patent: 5327180 (1994-07-01), Hester et al.
patent: 5484864 (1996-01-01), Usifer et al.
patent: 6860600 (2005-03-01), Chen
patent: 2006/0204895 (2006-09-01), Sailer et al.

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