Sulfur-containing compounds as antioxidants for lubricants and e

Details Sulfur-containing compounds as antioxidants for lubricants and e Sulfur-containing compounds as antioxidants for lubricants and e

1989-01-25

1989-10-31

Hoke, Veronica P.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524 89, 524238, 524239, 524240, 252 47, 544 38, 544347, 546104, 548444, 560 16, 560110, 560154, 560250, 560251, 560253, C08K 547, C08K 536, C07C149243, C07D24910, C07D24146, C07D21962, C07D20986

Patent

active

048778249

ABSTRACT:
Compounds of the formula (I) ##STR1## in which the Rs independently of one another are H, phenyl, naphthyl or C.sub.7 -C.sub.30 alkaryl and R.sup.1 is H, C.sub.1 -C.sub.8 alkyl, C.sub.7 -C.sub.9 aralkyl, C.sub.5 -C.sub.12 cycloalkyl, phenyl, naphthyl, C.sub.7 -C.sub.30 alkaryl or a group of the formula (II)

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C. M. Murphy et al.-"Mode of Action of Phenothiazine Type Antioxidants", Ind. & Eng. Chem. 42, 2479-2489 (Dec. 1950).

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