Hindered amine light stabilizer hydrazides

Details Hindered amine light stabilizer hydrazides Hindered amine light stabilizer hydrazides

1992-03-12

1994-10-04

Morgan, Kriellion S.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524 97, 524 99, 524103, 524291, C08K 53435

Patent

active

053527194

ABSTRACT:
New and novel stabilized polymer compositions and processes for preparing them which employ new and novel carboxylic acid hydrazides bearing a 2,2,6,6-tetra-alkyl-4-piperidine ring and new and novel polymeric compositions stabilized therewith are provided.

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