Polymeric light stabilizers containing tetraalkyl piperidine...

C - Chemistry – Metallurgy – 07 – D

Patent

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400/1303, 400/40

C07D 211/62 (2006.01) C07D 401/14 (2006.01) C08G 63/685 (2006.01) C08K 5/34 (2006.01) C08L 101/00 (2006.01)

Patent

CA 1165764

ABSTRACT OF THE DISCLOSURE Polymeric polyesters containing a 2,2,6,6-tetra- alkyl piperidine moiety in the repeating unit are disclosed as light stabilizers for polymers subject to degradation by ultra-violet light.

372621

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