Novel piperidine compounds

Details Novel piperidine compounds Novel piperidine compounds

1986-04-22

1988-10-25

Kight, John

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524102, 524103, 546186, 546187, 546188, 546189, 546190, 252403, C08K 534

Patent

active

047804939

ABSTRACT:
Novel piperidine compounds of the general formula (I) ##STR1## in which m is an integer from 1 to 4, R.sub.1 and R.sub.2 are as defined in claim 1 and at least one 2,2,6,6-tetramethylpiperidinyl group, being present in R.sub.1 or R.sub.2 are useful as light stabilizers, heat stabilizers and oxidation stabilizers for organic material, especially for synthetic polymers.

REFERENCES:
patent: 3543306 (1970-11-01), Biland
patent: 3982006 (1976-09-01), Hall
patent: 4095028 (1978-06-01), Hall et al.
patent: 4191683 (1980-03-01), Brunetti et al.
patent: 4525503 (1985-06-01), Cantatore
patent: 4670488 (1987-06-01), Maegawa et al.

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