Fuel compositions

Details Fuel compositions Fuel compositions

1991-09-20

1992-12-01

McAvoy, Ellen

Fuel and related compositions

Liquid fuels

Containing organic -c

44403, 560157, 560158, 560159, C10L 122, C07C12506

Patent

active

051676702

ABSTRACT:
The present invention is directed to novel poly(olefin)-polyamine-N-substituted polycarbamates, useful for preventing or reducing deposits in engines having the formula I ##STR1## wherein "n" is 2-8; R.sup.1 is a poly(olefin) chain having an average molecular weight of from about 500 to about 9900; R.sup.2 is an alkylene group containing 2 to 8 carbon atoms; R.sup.3 is independently a hydrogen atom, an alkyl group containing from 1 to 7 carbon atoms or --COOR.sup.5 with at least two of R.sup.4 being --COOR.sup.5 and wherein R.sup.5 is a hydrocarbyl or substituted hydrocarbyl group containing up to 20 carbon atoms.

REFERENCES:
patent: 2692257 (1954-10-01), Zletz
patent: 2692258 (1954-10-01), Roebuck
patent: 2692259 (1954-10-01), Peters
patent: 2918508 (1959-12-01), Coopersmith et al.
patent: 2970179 (1961-01-01), Glaze, Jr.
patent: 4357148 (1982-11-01), Graiff
patent: 4936868 (1990-06-01), Johnson
patent: 4946473 (1990-08-01), Johnson
patent: 4946982 (1990-08-01), Johnson

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