Deposit control and dispersant additives

Details Deposit control and dispersant additives Deposit control and dispersant additives

1978-06-19

1981-01-27

Douglas, Winston A.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

44 72, 564505, C10L 122

Patent

active

042473012

ABSTRACT:
Additives for internal combustion engines are provided which in fuels maintain cleanliness of intake system without contributing to combustion chamber deposits and in lubricating oils act as dispersants. The additives are hydrocarbylpoly(oxyalkylene) polyamines comprising a hydrocarbyl-terminated poly(oxyalkylene) chain of 2-5 carbon oxyalkylene units bonded to a nitrogen atom of a polyamine having from 2 to 12 amine nitrogens and from 2 to 40 carbon atoms with a carbon:nitrogen ratio between 1:1 and 10:1.

REFERENCES:
patent: 3440029 (1969-04-01), Little et al.
patent: 3960515 (1976-06-01), Honnen

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