Polyurethanes and use thereof in lubricants and fuels

Details Polyurethanes and use thereof in lubricants and fuels Polyurethanes and use thereof in lubricants and fuels

1978-12-28

1980-11-25

Cockeram, H. S.

Compositions

Electrolytes for electrical devices

252 467, 528 73, 528 75, 528 82, 528 83, 260 336UB, 44 62, 44 70, C10M 136, C08K 501, C08G 1868

Patent

active

042357306

ABSTRACT:
A polyurethane which is a reaction product of a diisocyanate and a diol. The polyurethane product is useful as a dispersant for lubricants and fuels. The product can be further defined as the product of an ester, amide or ester amide derivative of alkenyl-or alkenyl-substituted dibasic acids which reaction product contains hydroxy alkyl groups.

REFERENCES:
patent: 3573205 (1971-03-01), Lowe et al.
patent: 3850826 (1974-11-01), de Vries
patent: 3950341 (1976-04-01), Okamoto
patent: 4028258 (1977-06-01), Kablaoui et al.

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