Ultraviolet light absorbing agents and compositions and articles

Organic compounds -- part of the class 532-570 series – Organic compounds – Silicon containing

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10628712, 556436, C09K 300, C07F 718, C07F 709

Patent

active

044369247

ABSTRACT:
There are provided ultraviolet light absorbing agents of the following general formula ##STR1## wherein: ##STR2## Y is H or OH, Z is H, OH, OQ or OW, where at least one Z is OH if Y is H;

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