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US 4,380,643 AGranted
Benzotriazole compound and homopolymer or copolymers thereof
AssigneeAsahi Glass Company, Limited
InventorsShohei Yoshida, Otto Vogl
Life of this patent
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Abstract
A benzotriazole compound of the formula: ##STR1## wherein A is hydrogen or acetyl; R.sup.2 is a C.sub.1 -C.sub.4 alkyl group and n is 1 or 2.
Claims3
A benzotriazole compound of the formula:
- ##STR11## wherein A is hydrogen or acetyl;
- R.sup.2 is a C.sub.1 -C.sub.4 alkyl group and n is 1 or 2.
Dependencies are inferred from the claim text.