Compositions – Electrolytes for electrical devices
Patent
1984-11-15
1987-11-24
Kittle, John E.
Compositions
Electrolytes for electrical devices
252 51, 252 77, 548152, C07D27760, C09K 500, C10M10556
Patent
active
047088109
ABSTRACT:
Benzothiazoline derivatives having the general formula: ##STR1## wherein R.sub.1 and R.sub.2 may be a hydrogen atom, a hydrocarbyl group, a substituted hydrocarbyl group, an amino group or a halogen atom, a hydroxyl group, alkoxy or aryloxy group, or R.sub.1 and R.sub.2 together may form a cyclic group which may optionally contain a heterocyclic atom; R.sub.3 is a hydrogen atom or a hydrocarbyl group; X may be hydrocarbyl, substituted hydrocarbyl, halogen, hydroxyl, carboxyl, amino or amido two X's may be taken together to form a polycyclic compound which may be substituted in like manner; n=0 or 1-4 are useful as antioxidants for compounds subject to oxidative degradation. The compounds are prepared by reacting an appropriate o-aminothiophenol with a suitable carbonyl compound.
REFERENCES:
patent: 3513237 (1970-05-01), Manning et al.
patent: 3669979 (1972-06-01), Freyermuth
patent: 3912606 (1975-10-01), Pacifici et al.
patent: 4328219 (1982-05-01), Mues et al.
Askew Herbert F.
Davies Paul R.
Castrol Limited
Kittle John E.
Shah Mukund J.
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