N-(substituted cyclic alkyleneimine)-.alpha.-(3,5-di-...

C - Chemistry – Metallurgy – 07 – D

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400/5015, 400/70

C07D 211/34 (2006.01) C07D 241/08 (2006.01) C08K 5/34 (2006.01)

Patent

CA 1262136

ABSTRACT OF THE DISCLOSURE N-(2,2,6,6-tetraalkyl-4-piperidinyl)-?-(3,5- di-alkyl-4-hydroxyphenyl)-?',?'' dialkylacetamides and N-alkyl-N'-(3,3,5,5-tetraalkyl-2-keto-1-piperazinyl)-?- (3,5-di-alkyl-4-hydroxyphenyl)?'.?''-dialkylacetamides prepared by a new process are novel stabilizers for or- ganic materials subject to attack and degradation, and form useful combinations for this purpose with other stabilizers against attack of polymer materials by heat, oxygen and light.

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