Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Patent
1997-04-21
2000-01-18
Sanders, Kriellion
Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
546236, 546237, 546240, 546189, 549346, 549427, 549464, 564393, 564443, C07D26530, C07D21120, C07D30794
Patent
active
060158999
ABSTRACT:
Products are described which can be obtained by reacting components a), b) and c), where component a) is a compound of the formula I or a mixture of compounds of the formula I, component b) is a compound of the formula II or a mixture of compounds of the formula II and component c) is a compound of the formula III or a mixture of compounds of the formula III, ##STR1## in which the general symbols are as defined in claim 1, the compound of the formula I being, for example, pentaerythritol, thiodiethylene glycol, 1,4-butanediol, 1,4-propanediol, diethylene glycol, triethylene glycol, diethanolamine or glycerol, the compound of the formula II being, for example, sunflower oil or coconut fat, and the compound of the formula III being, for example, methyl 3-(3',5'-di-tert-butyl-4'-hydroxyphenyl)propionate. The abovementioned products can be used as liquid antioxidants in polymers and lubricants.
REFERENCES:
patent: 3944594 (1976-03-01), Kleiner et al.
patent: 5155244 (1992-10-01), Greene et al.
patent: 5478875 (1995-12-01), Dubs et al.
patent: 5668206 (1997-09-01), Dubs et al.
patent: 5739341 (1998-04-01), Dubs et al.
Dubs Paul
Evans Samuel
Martin Roger
Ciba Specialty Chemicals Corporation
Hall Luther A.R.
Sanders Kriellion
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