Copolymerizable ultraviolet light absorber members which are .al

Details Copolymerizable ultraviolet light absorber members which are .al Copolymerizable ultraviolet light absorber members which are .al

1980-07-10

1982-01-26

Trousof, Natalie

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

526313, 526316, C07C 5984

Patent

active

043129951

ABSTRACT:
This invention relates to copolymerizable ultraviolet light absorber monomers which are .alpha.,.beta.-unsaturated dicarboxylic half-esters of 2-hydroxy,alkoxy,methylolbenzophenone intermediate compounds. The monomers have the formula: ##STR1## where R is alkyl C.sub.1 -C.sub.8, and n is 1 or 2, and

REFERENCES:
patent: 2967186 (1961-01-01), Gordon et al.
patent: 3322817 (1967-05-01), Goldberg et al.
patent: 3704255 (1972-11-01), Braun
patent: 4177122 (1979-12-01), Sato
patent: 4186151 (1980-01-01), Kubota et al.

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