Nitrogen-containing esters and lubricants containing same

Details Nitrogen-containing esters and lubricants containing same Nitrogen-containing esters and lubricants containing same

1971-10-06

1976-05-11

Gantz, Delbert E.

Compositions

Electrolytes for electrical devices

44 62, 44 71, C10M 132

Patent

active

039561496

ABSTRACT:
This invention is directed to a nitrogen-containing ester of a carboxy-interpolymer having a reduced specific viscosity ranging from about 0.05 to 2.0. The carboxy-interpolymers, from which the nitrogen-containing esters are obtained, are derived from at least one monomer selected from the class consisting of aliphatic olefins and styrene and at least one monomer comprising an unsaturated carboxylic acid, the anhydride or ester thereof. The nitrogen-containing ester may be characterized as having in the polymeric structure carboxylic-ester groups derived from a high molecular weight alcohol having at least 7 aliphatic carbon atoms and carbonyl-polyamino groups derived from hydrazine or a hydrocarbon-substituted hydrazine. The nitrogen-containing ester may be used alone or in combination with other additives in small but effective amounts in various oleaginous materials including lubricants and fuels.

REFERENCES:
patent: 2615845 (1952-10-01), Lippincott et al.
patent: 3219666 (1965-11-01), Norman et al.
patent: 3329658 (1967-07-01), Fields
patent: 3702300 (1972-11-01), Coleman

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