Ultraviolet absorbing lenses and methods of manufacture thereof
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United States of America Patent
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Mar 19, 1996
Issued Date -
N/A
app pub date -
Dec 22, 1994
filing date -
Mar 14, 1989
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Abstract
An ultraviolet radiation absorbing agent for bonding to an ocular lens. The agent has the formula A--NH--B wherein A is an ultraviolet absorbing compound and B is a specific reactive group or a moiety containing reactive group.
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