Nitrogen containing copolymers useful as additives for lowering

Details Nitrogen containing copolymers useful as additives for lowering Nitrogen containing copolymers useful as additives for lowering

1985-09-16

1988-03-15

Dixon, Jr., William R.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

44 70, 44 71, 44 72, 252 515A, 5253276, 5253295, C10L 116, C10L 118

Patent

active

047310952

ABSTRACT:
Copolymers with nitrogen groups are used as additives to lower the cloud point and improve the filterability limit temperature and the pour point of middle distillates such as gas oils. They are obtained by reacting a compound having a primary amine group with a copolymer comprising 15 to 40% of recurrent units form a linear .alpha.-olefin, 20 to 70% of recurrent units form and .alpha.,.beta.-unsaturated dicarboxylic compound and 15 to 45% of recurrent units form an alkyl ester of unsaturated monocarboxylic acid.

REFERENCES:
patent: 4160739 (1979-07-01), Stambaugh et al.
patent: 4320019 (1982-03-01), Hayashi
patent: 4357250 (1982-11-01), Hayashi
patent: 4359325 (1982-11-01), Dawans et al.
patent: 4375973 (1983-03-01), Rossi et al.
Nakajima, "Fraction of Linear Polyethylene with Gel Permeation Chromatography," Polymer Mol. wts. Methods, ACS 9 Advances in Chemistry Series 125, AMCS, Wash., D.C. 1973.

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