Method and compositions for manufacturing plastic optical lens

Details Method and compositions for manufacturing plastic optical lens Method and compositions for manufacturing plastic optical lens

2007-10-02

2007-10-02

Berman, Susan (Department: 1711)

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

C522S120000, C522S182000, C523S106000, C264S496000

Reexamination Certificate

active

09741780

ABSTRACT:
A polymerizable resin material for making a plastic lens includes bisphenol A ethoxylate (1 to 4) dimethacrylate and benzylmethacrylate, and, optionally, one or more stabilizing monomers, preferably selected from trimethylolpropane trimethacrylate, isobornyl methacrylate, ethoxylate nonyl phenol acrylate, ethyoxylate nonyl phenol, and/or 2-phenoxyethyl methacrylate esters. The polymerizable resin material is cured when exposed to heat or visible and/or UV light for a period of about two minutes or less.

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