Polymeric pyrrolidinium methanesulfonate viscosifiers and method

Details Polymeric pyrrolidinium methanesulfonate viscosifiers and method Polymeric pyrrolidinium methanesulfonate viscosifiers and method

1982-08-31

1985-03-12

Henderson, Christopher A.

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

Synthetic resins

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

166271, 252 855R, C08F 834, C08F 832

Patent

active

045046220

ABSTRACT:
There are provided polymeric pyrrolidinium methanesulfonate viscosifiers which are useful in chemical waterflooding and in drilling fluids. These compounds may be formed by an unexpected cyclization reaction of quaternary diallyl amino groups on polymeric backbones involving the reaction of such groups with bisulfite salts.

REFERENCES:
patent: 3645665 (1972-02-01), Etters
patent: 4410709 (1983-10-01), Ohme et al.

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