Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Patent
1994-02-03
1995-11-14
Gupta, Yogendra N.
Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
540454, 540460, 540488, 540492, 544194, 544195, C07D25142, C07D25148, C07D25154, C07D25166
Patent
active
054668034
ABSTRACT:
Novel piperidine-triazine compounds of the formula (I) useful as light stabilizers, heat stabilizers and antioxidants for organic materials.
The meanings of R.sub.1, R.sub.2, R.sub.3, R.sub.4, X.sub.1, X.sub.2, X.sub.3, Y.sub.1, Y.sub.2, M and N are defined in the text. ##STR1##
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Borzatta Valerio
Vignali Graziano
Ciba-Geigy Corporation
Gupta Yogendra N.
Hall Luther A. R.
Kovaleski Michele A.
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