Fuel additives derived from amido-amines

Details Fuel additives derived from amido-amines Fuel additives derived from amido-amines

1991-07-15

1993-08-24

Howard, Jacqueline V.

Fuel and related compositions

Liquid fuels

Heterocyclic carbon compound containing a hetero ring having...

252 47, 252 515A, 554 57, C10L 118, C10L 122

Patent

active

052384667

ABSTRACT:
The present invention is directed to a fuel additive comprising at least one adduct of (A) a polyolefin of 300 to 10,000 number average molecular weight substituted with at least 0.3 (e.g., from about 1 to 4) mono- or dicarboxylic acid producing moieties (preferably acid or anhydride moieties) per polyolefin molecule, (B) an amido-amine or thioamido-amine characterized by being a reaction product of at least a polyamine and an alpha, beta-unsaturated compound of the formula: ##STR1## wherein X is sulfur or oxygen, Y is --OR.sup.4, --SR.sup.4, or --NR.sup.4 (R.sup.5) , and R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are the same or different and are hydrogen or substituted or unsubstituted hydrocarbyl.

REFERENCES:
patent: 3169945 (1965-02-01), Hostettler et al.
patent: 3417140 (1968-12-01), McWhorter et al.
patent: 3445441 (1969-05-01), Rushton
patent: 3630902 (1971-12-01), Coupland et al.
patent: 4234435 (1980-11-01), Meinhardt et al.
patent: 4614603 (1986-09-01), Wollenberg
patent: 4857217 (1989-08-01), Gutierrez et al.
patent: 4956107 (1990-09-01), Gutierrez et al.
patent: 4963275 (1990-10-01), Gutierrez et al.
patent: 5034018 (1991-07-01), Gutierrez et al.

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