Piperidine compounds for use as stabilizers for organic material

Details Piperidine compounds for use as stabilizers for organic material Piperidine compounds for use as stabilizers for organic material

1994-07-11

1995-10-10

Gupta, Yogendra N.

Organic compounds -- part of the class 532-570 series

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

544 6, 544 70, 544113, 544209, 544212, 544219, C07D25154, C07D25152

Patent

active

054571995

ABSTRACT:
The present invention relates to novel piperidine compounds of the formula (I) ##STR1## in which X.sub.1, X.sub.2, X.sub.3 and n are as defined in the text. The compounds of the invention can be used as light stabilizers, heat stabilizers and oxidation stabilizers for organic materials, in particular synthetic polymers.

REFERENCES:
patent: 4102858 (1978-07-01), Minagawa et al.
patent: 4108829 (1978-08-01), Cassandrini et al.
patent: 4263434 (1981-04-01), Cassandrini et al.
patent: 4883831 (1989-11-01), Nelson et al.
patent: 4883860 (1989-11-01), Nelson et al.
patent: 5059689 (1991-10-01), Rody et al.
Research Disclosure 1990, 31429, pp. 474-480.

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