Lubricant ashless antiwear-antioxidant additive

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

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252 475, C07D28512, C10M13536

Patent

active

054140900

ABSTRACT:
An adduct of 2,5-dimercapto-1,2,4 -thiadiazole, an epoxide, a formaldehyde and 4,4'-isopropylidenediphenol represented by the formula ##STR1## where A is H or ##STR2## where R is H or a (C.sub.1 -C.sub.30) alkyl group and n=1-4.

REFERENCES:
patent: 5026805 (1991-06-01), Karol
patent: 5172212 (1993-01-01), Karol

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