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US 5,210,195 AGranted
Bis(2,2',6,6'-tetramethyl-4-aminoethyleneamidopiperidyl) polyoxyalkylene
AssigneeTexaco Chemical Company
InventorsJiang-Jen Lin, George P. Speranza
Life of this patent
Estimating the term…
Abstract
Polyoxyalkylene diamines react with excess acrylate to form diesters which react with 2,2',6,6'-tetramethyl-4-aminopiperidines to give a product of formula 1, useful as photostabilizer for photosensitive materials. ##STR1##
Claims4
A photostabilizer represented by the structural formula:
- wherein each pair of n per C.sub.n H.sub.2n group are 2 or 3, R is hydrogen or hydrocarbyl having from 1 to about 16 carbon atoms and x is from 1 to about 60.
Dependencies are inferred from the claim text.