Mixtures of polyacrylate resins and siloxane carbonate copolymers
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United States of America Patent
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-
Oct 23, 1984
Grant Date -
N/A
app pub date -
Mar 22, 1982
filing date -
Mar 22, 1982
priority date (Note) -
Expired
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Abstract
Contact lenses are fabricated from a mixture of polymethymethacrylate and polydimethylsiloxane-bisphenol A carbonate block copolymers. The lenses so produced exhibit excellent oxygen permeability.
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