Ashless fuel detergent additives

Details Ashless fuel detergent additives Ashless fuel detergent additives

1976-04-12

1978-11-14

Curtis, Allen B.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

44 72, 44 73, 260553R, 260553E, 260561R, C10L 122, C07C10204

Patent

active

041253833

ABSTRACT:
A long chain monocarboxylic acid, a polyamine, and an isocyanate containing about 12 to 18 carbon atoms are reacted to provide compounds which are suitable as ashless detergent additives. Optionally, these compounds can be further reacted with hydrocarbyl sulfonic acid. The method for producing these compounds is also provided. In a preferred embodiment the ashless fuel detergent additives are combined with hydrocarbons suitable as fuel in an internal combustion engine to provide ashless fuel detergent compositions.

REFERENCES:
patent: 2394307 (1946-02-01), Hentrich et al.
patent: 2622018 (1952-12-01), White et al.
patent: 2731383 (1956-01-01), O'Neill et al.
patent: 3298955 (1967-01-01), Strang
patent: 3523925 (1970-08-01), Kamal et al.
patent: 3621040 (1971-11-01), Gagneux
patent: 3894849 (1975-07-01), Poiss
patent: 3909427 (1975-09-01), Schiff
patent: 3951614 (1976-04-01), Honnen et al.

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