Preparation for use as lube oil additives of thioureas containin

Details Preparation for use as lube oil additives of thioureas containin Preparation for use as lube oil additives of thioureas containin

1980-09-22

1984-03-27

Coughlan, Jr., Paul M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

252 475, 252 498, 252 327E, 252 327HC, C07D20740

Patent

active

044396120

ABSTRACT:
Disclosed are the preparation and use of thioureas derived from hydrocarbyl succinimides which have the formula: ##STR1## wherein R is a hydrocarbyl succinimide residue or hydrogen, with the proviso that only one R can be hydrogen. These thioureas offer superior performance over their parent succinimides in the areas of gasoline and diesel engine dispersancy, oxidation stability and friction modification.

REFERENCES:
patent: 3200107 (1965-08-01), LeSuer
patent: 3256185 (1966-06-01), LeSuer

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