Oxalkylated polyester-amines, a process for their...

C - Chemistry – Metallurgy – 07 – C

Patent

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134/54, 260/485.

C07C 219/04 (2006.01) B01D 17/05 (2006.01) C08G 63/685 (2006.01) C10G 33/04 (2006.01)

Patent

CA 1281034

Abstract of the disclosure: Oxalkylated polyester-amines which are prepared by esteri- fying, with polycondensation, an oxalkylated primary fatty amine with a diol and with a dicarboxylic acid, are de- scribed. These polyester-amines are used as demulsifiers for breaking crude oil emulsions.

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