Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1985-06-27
1986-11-11
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
5262921, 526313, 526314, C08F 1824, C08F21230
Patent
active
046223762
ABSTRACT:
Pourable, polymerizable compositions comprising aromatic-containing poly(allyl carbonate)-functional material, styrenic material, and monomer having three or more allyl, methallyl, acrylyl and/or methacrylyl groups is free radically polymerized to produce polymerizates having high refractive index, high hardness, and low yellowness. The polymerizates are especially useful in the form of ophthalmic lenses.
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Misura Michael S.
Oates Stephanie J.
Schwarz Richard A.
Kulkosky Peter F.
Morris George D.
PPG Industries Inc.
Schofer Joseph L.
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