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US 4,233,441 AGranted
Copolymerizable, ultraviolet light absorber 4-acryloxybenzal-3-alkyl-2 N-benzothiazoloazines
AssigneeGAF Corporation
InventorsBruce A. Gruber, Donald H. Lorenz
Life of this patent
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Abstract
This invention relates to copolymerizable ultraviolet light absorber compounds having the formula: ##STR1## where R is alkyl C.sub.1 -C.sub.6 ; and Y is a copolymerizable radical selected from acryloyl C.sub.3 -C.sub.12, acryloxyalkyl C.sub.3 -C.sub.12, acryloxyhydroxyalkyl C.sub.3 -C.sub.12, and alkylacryloxyhydroxyalkyl C.sub.3 -C.sub.12.
Claims7
Copolymerizable ultraviolet light absorber compounds having the formula:
- ##STR10## where R is alkyl C.sub.1 -C.sub.6 ;
- and
- Y is a copolymerizable radical selected from acryloyl C.sub.3 -C.sub.12, alkylacryoyl C.sub.3 -C.sub.12, acryloxyalkyl C.sub.3 -C.sub.12, acryloxyhydroxyalkyl C.sub.3 -C.sub.12, and alkylacryloxyhydroxyalkyl C.sub.3 -C.sub.12.
A compound according to claim which is 4-(3-acryloxy-2-hydroxypropyl)oxybenzal-3'-methyl-2'-N-benzothiazoloazine.
Dependencies are inferred from the claim text.