Ori-inhibited motor fuel composition and storage stable concentr

Details Ori-inhibited motor fuel composition and storage stable concentr Ori-inhibited motor fuel composition and storage stable concentr

1989-12-28

1991-10-29

Willis, Prince E.

Fuel and related compositions

Liquid fuels

Heterocyclic carbon compound containing a hetero ring having...

548545, 548546, 548547, C10L 122, C07D20740

Patent

active

050612913

ABSTRACT:
A motor fuel composition which inhibits engine ORI and intake valve deposit formation comprises a mixture of hydrocarbons boiling in the range of 90.degree.-450.degree. F. and the reaction product of a hydrocarbyl-substituted dibasic acid anhydride and a polyoxyalkylene diamine; it may optionally additionally comprise a polymeric component which is a polyolefin polymer, copolymer, or the corresponding aminated or hydrogenated polymer or copolymer, or mixtures thereof, of a C.sub.2 -C.sub.10 hydrocarbon. Motor fuel compositions of the instant invention show improved ORI control in comparison with typical commercial fuel compositions. The instant invention is advantageous in that it may be produced and stored as a precipitation-resistant concentrate composition.

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