Preparation of amphoteric acrylic acid copolymers suitable as oi

Details Preparation of amphoteric acrylic acid copolymers suitable as oi Preparation of amphoteric acrylic acid copolymers suitable as oi

1995-12-05

1996-09-03

Teskin, Fred

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 81, 526 86, 5262191, 5262195, 526307, 5263076, 526312, 210705, 210708, 210735, C08F 404, C08F 210, C08F22006

Patent

active

055524982

ABSTRACT:
The invention comprise a composition for breaking oil-in-water emulsions comprising adding from about 1 part per million to about 500 parts per million of an amphoteric acrylic acid copolymer to the emulsion. Once the copolymer is added, the emulsion is subjected to agitation until the oil-in-water emulsion is resolved and the oil and water separates into two phases. The oil and water phases are then subjected to a separation technique to separate the phases. The invention further comprises a method of synthesizing the amphoteric polymers used in the emulsion breaking application.

REFERENCES:
patent: 4251651 (1981-02-01), Kawakami et al.
patent: 5176797 (1993-01-01), Hartan et al.

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