Process for treatment of hydrogel lens with thiols
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United States of America Patent
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Jul 6, 1982
Issued Date -
N/A
app pub date -
Sep 5, 1980
filing date -
Feb 9, 1979
priority date (Note) -
Expired
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Abstract
The invention provides a method of treating hydrogels formed from the polymerization of monomers having reactive olefinic double bonds by contacting them with reactive thiol compounds. In a preferred embodiment where the hydrogel structure includes a cis-glycol containing unit, a suitable thiol is used in conjunction with a borate buffer. The present invention also provides materials that are treated with the above thiol compounds.
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