Color binding mechanism for contact lenses
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United States of America Patent
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-
Dec 21, 1993
Issued Date -
N/A
app pub date -
Oct 1, 1991
filing date -
Apr 14, 1989
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Novel colored contact lens and methods for preparation thereof are described. Binding of a color coat to the lenses is accomplished by use of compounds containing the functional groups --CH.sub.2 --O--R.sup.1, wherein R.sup.1 is hydrogen or C.sub.1 to C.sub.16 alkyl, and said --CH.sub.2 --O--R.sup.1 groups are attached to a carbon atom that is part of an aromatic ring, or are attached to a nitrogen or oxygen atom.
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