Two-step method of making copolymerizable, ultraviolet light abs

Details Two-step method of making copolymerizable, ultraviolet light abs Two-step method of making copolymerizable, ultraviolet light abs

1979-05-16

1980-08-19

Torrence, Dolph H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 4585A, 2604654, C07C12170

Patent

active

042183928

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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