Copolymers of benzotriazol monomers with maleic or fumaric acid derivatives and polymeric material compositions
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United States of America Patent
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Aug 11, 1987
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N/A
app pub date -
Jun 11, 1986
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Jun 11, 1986
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Expired
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Abstract
Copolymers of average molecular weight within the range from about 1,000 to about 50,000, preferably from about 1,000 to about 10,000, are provided containing the repeating polymeric unit having the formula (I) and the repeating polymeric unit having the formula (II): ##STR1##
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