Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Patent
1989-10-12
1991-01-08
Raymond, Richard L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
544158, 544383, 546238, 546239, 548375, 548542, 558248, C07C29100
Patent
active
049837702
ABSTRACT:
Substituted hydroxylamine ester stabilizers corresponding to the formula ##STR1## wherein n is 0-2, X is a direct bond, --S-- or --CH.sub.2 S--, R.sub.1 and R.sub.2 are independently hydrogen, alkyl, cycloalkyl, aralkyl, R.sub.3 and R.sub.4 are independently alkyl, cycloalkyl or aralkyl, and R.sub.5 is hydrogen or the group ##STR2## are effective in stabilizing organic materials against oxidative, thermal and actinic degradation.
REFERENCES:
patent: 4612393 (1986-09-01), Ravichandran et al.
Pastor Stephen D.
Ravichandran Ramanathan
Ciba-Geigy Corporation
Falber Harry
Raymond Richard L.
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