Hindered piperidyl light stabilizers

Details Hindered piperidyl light stabilizers Hindered piperidyl light stabilizers

1981-08-14

1984-05-22

Knight, III, John

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

Synthetic resins

Processes of preparing a desired or intentional composition...

529102, 528289, 546187, 546188, 546189, 546245, 546323, 546326, C08K 539, C08F 1230, C07D40100

Patent

active

044502486

ABSTRACT:
Piperidine-4-carboxylic acid derivatives of the formula ##STR1## wherein: R.sub.2 is hydrogen, alkyl having from one to four carbon atoms, or oxyl;

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patent: 4111901 (1978-09-01), Hechenbleikner
patent: 4118368 (1978-10-01), Soma et al.
patent: 4118369 (1978-10-01), Minagawa et al.
patent: 4164480 (1979-08-01), Irick, Jr. et al.
Noller, Chemistry of Organic Compounds, 1958, p. 237.

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