Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1989-05-15
1990-08-14
Henderson, Christopher
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
C08F23008
Patent
active
049488554
ABSTRACT:
Comfortable, oxygen permeable hard and semi-hard contact lenses are made from the copolymer of ethylenically unsaturated siloxanylalkoxy ester monomer, ethylenically unsaturated fluorocarbon ester monomer and ethylenically unsaturated sulfone monomer; the copolymer plastic can be modified by the incorporation of hardening, stability and wettability agents and methods for the manufacture thereof.
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Henderson Christopher
Progressive Chemical Research, Ltd.
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