Method of making copolymerizable, ultraviolet light absorber (2-

Details Method of making copolymerizable, ultraviolet light absorber (2- Method of making copolymerizable, ultraviolet light absorber (2-

1979-03-01

1980-06-10

Torrence, Dolph H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C12170

Patent

active

042072530

ABSTRACT:
This invention relates to a method of making in high yield light absorber compounds which are (2-cyano-3,3-diphenylacryloxy) alkylene acrylic acid esters having the formula: ##STR1## where (Ar).sub.1 and (Ar).sub.2 are aromatic carbocyclic nuclei of the benzene and naphthalene series and are independently selected from phenyl or phenyl substituted with alkyl, halo, alkoxy, carboxy, carbalkoxy, cyano, acetyl, benzoyl, phenyl, alkyl phenyl, phenoxy phenyl, alkyl substituted phenoxy, or alkoxy phenyl substituted phenyl, and naphthyl;

REFERENCES:
patent: 3644466 (1972-02-01), Strobel et al.
patent: 3993684 (1976-11-01), Dunnavant et al.

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