Polyfunctional polyisobutenes, their preparation, their formulat

Details Polyfunctional polyisobutenes, their preparation, their formulat Polyfunctional polyisobutenes, their preparation, their formulat

1994-06-16

1995-08-29

Willis, Jr., Prince

Fuel and related compositions

Liquid fuels

Solid hydrocarbon polymer containing

44331, 44394, 525285, 525379, 525380, 525381, 525382, 525384, 5253274, 5253276, 526271, C10L 118

Patent

active

054456576

ABSTRACT:
Chlorine-free polyfunctional polyisobutenes are described that can be modified by amines, alcohols and/or amino alcohols to result in additives that can be used in the petroleum field in particular in fuels and engine lubricants.
They are prepared by radical terpolymerization of isobutene, maleic anhydride and polyisobutene having an average content of "exo" end double bonds of at least 50%.

REFERENCES:
patent: 3318851 (1967-05-01), Nicholls et al.
patent: 4370454 (1983-01-01), Messmer et al.
Database WPI, Section Ch, Week 8435, Derwent Publications Ltd., Class A95, AN 84-216314 (abstract of JP-A-59 126 496). Jul. 1984.

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