Polymeric pyrrolidinium methanesulfonate viscosifiers for aqueou

Details Polymeric pyrrolidinium methanesulfonate viscosifiers for aqueou Polymeric pyrrolidinium methanesulfonate viscosifiers for aqueou

1985-01-28

1985-10-08

Guynn, Herbert B.

Compositions

Leather or fur treating

166275, 252 85C, 252 855D, C09K 702, E21B 4322

Patent

active

045459118

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: 3085063 (1963-04-01), Turbak
patent: 3343601 (1967-09-01), Pye
patent: 3852201 (1974-12-01), Jackson
patent: 3872018 (1975-03-01), Alexander
patent: 4110232 (1978-08-01), Schwab et al.

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