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US 6,284,895 B1Granted
Bromo-functionalized benzotriazole UV absorbers
AssigneeCouncil of Scientific and Industrial Research
InventorsParagkumar Nathalal Thanki, Raj Pal Singh
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Abstract
The invention pertains to bromo functionalized benzotriazole UV absorber of the general formula 1 wherein R1 is hydrogen, tert-butyl; X1 is selected the group consisting of hydrogen, halogen, tert-butyl and C1 to C12 alkoxy.
Claims1
Bromo-functionalized benzotriazole UV absorber of the general formula 1
- wherein R1 is selected from hydrogen and tert-butyl;
- X1 is selected the group consisting of hydrogen, halogen, tert-butyl and C1 to C12 alkoxy.
Dependencies are inferred from the claim text.