Gasoline composition for reducing intake valve deposits in port

Details Gasoline composition for reducing intake valve deposits in port Gasoline composition for reducing intake valve deposits in port

1991-09-20

1993-03-23

Mc Avoy, Ellen

Fuel and related compositions

Liquid fuels

Heterocyclic carbon compound containing a hetero ring having...

44432, 44433, 564453, 564455, C10L 122, C10L 118

Patent

active

051960354

ABSTRACT:
The present invention is directed to compositions prepared by reacting (a) an oil soluble polyalkylene polyamine containing at least one polyalkylene polymer chain having at least one double bond and which chain is attached to a nitrogen and/or carbon atom of the alkylene radical(s) connecting the amino nitrogen atoms with said alkaline polyamine having a molecular weight of the range of from about 600 to about 10,000 and (b) furan under Diels-Alder reaction conditions. The invention also relates to the use of the subject compositions as additives in an unleaded fuel gasoline compositions to reduce intake valve deposits in electronic port fuel injected engines.

REFERENCES:
patent: 3884647 (1975-05-01), Nakaguchi
patent: 4353711 (1982-10-01), Childs
patent: 4392866 (1983-07-01), Sung et al.
patent: 5006130 (1991-04-01), Aiello et al.

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