Piperidine containing malonic acid derivatives

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

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546188, 546190, 260 458NP, C07D40112

Patent

active

042372976

ABSTRACT:
Malonic acid derivatives of the formula ##STR1## wherein Z contain sterically hindered piperidines as stabilizers against light-induced degradation for organic material.

REFERENCES:
patent: 3640928 (1972-02-01), Murayama et al.
patent: 3993655 (1976-11-01), Rasberger et al.
patent: 4148783 (1979-04-01), Rasberger et al.
patent: 4148784 (1979-04-01), Malherbe et al.
patent: 4154722 (1979-05-01), Malherbe et al.

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