Terpolymer for contact lens
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United States of America Patent
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Apr 6, 1999
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N/A
app pub date -
Nov 24, 1997
filing date -
Nov 24, 1997
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Abstract
An ionic contact lens made from a terpolymer of 2,3-dihydroxypropyl methacrylate, 2-hydroxyethyl methacrylate, and methacrylic acid. The contact lens has excellent properties including good strength and excellent water retention properties and excellent dimensional stability.
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