Oxyalkylated polyamidoamines and their preparation

Details Oxyalkylated polyamidoamines and their preparation Oxyalkylated polyamidoamines and their preparation

Filed on

1984-01-06

Date issued

1985-10-08

Examiner

Anderson, Harold D.

Patent Class

Synthetic resins or natural rubbers -- part of the class 520 ser

SubClass

Synthetic resins

SubSubClass

Mixing of two or more solid polymers; mixing of solid...

Other Related Categories

252344, 528323, C08G 6948

Type

Patent

Status

active

Patent number

045461511

Description

ABSTRACT:
Oxyalkylated polyamidoamines are obtained by reacting a polyamine with caprolactam and oxyalkylating the product with alkylene oxides, and are used for rapidly dewatering crude oil.

REFERENCES:
patent: 3684735 (1972-08-01), Oppenlaender et al.
patent: 3725503 (1973-04-01), Kunde et al.
patent: 3839372 (1974-10-01), Schneider
patent: 3907701 (1975-09-01), Liebold et al.
patent: 3945983 (1976-03-01), Hoppe et al.

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