Ultraviolet light absorbing agents and compositions and articles

Details Ultraviolet light absorbing agents and compositions and articles Ultraviolet light absorbing agents and compositions and articles

1981-01-15

1983-02-22

Morris, Theodore

Compositions: coating or plastic

Coating or plastic compositions

Silicon containing other than solely as silicon dioxide or...

10628714, 556436, C09K 300

Patent

active

043746748

ABSTRACT:
There are provided ultraviolet light absorbing agents of the following general formula ##STR1## wherein: X is ##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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patent: 3395116 (1968-07-01), Dressler
patent: 3489781 (1970-01-01), Wilkus
patent: 3708225 (1973-01-01), Misch et al.
patent: 3976497 (1976-08-01), Clark
patent: 3986997 (1976-10-01), Clark
patent: 4042613 (1977-08-01), Takamizawa et al.
patent: 4051161 (1977-09-01), Proskow
patent: 4122233 (1978-10-01), Proskow
patent: 4177315 (1979-12-01), Ubersax
"J. Chem. Soc.", H. D. Kaesze, pp. 1433-1435, 1957.

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