Oxalkylated polyester-amines, a process for their preparation an

Details Oxalkylated polyester-amines, a process for their preparation an Oxalkylated polyester-amines, a process for their preparation an

1986-07-23

1988-03-29

Terapane, John F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

560182, 260404, 252341, 252358, G07C 6934, B01D 1704

Patent

active

047345233

ABSTRACT:
Oxalkylated polyester-amines which are prepared by esterifying, with polycondensation, an oxalkylated primary fatty amine with a diol and with a dicarboxylic acid, are described. These polyester-amines are used as demulsifiers for breaking crude oil emulsions.

REFERENCES:
patent: 2626914 (1953-01-01), De Groote
patent: 2652407 (1953-09-01), De Groote
patent: 3009884 (1961-11-01), Monson et al.
patent: 4606916 (1986-08-01), Hofinger et al.

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