Betaine copolymers-viscosifiers for water and brine

Details Betaine copolymers-viscosifiers for water and brine Betaine copolymers-viscosifiers for water and brine

1989-07-05

1992-10-06

Henderson, Christopher

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C08F22800

Patent

active

051532891

ABSTRACT:
A water soluble copolymer having the structure: ##STR1## wherein X is about 1 to about 99 mole percent and y is about 99 to about 1 mole percent.

REFERENCES:
patent: 3497482 (1970-02-01), Hwa
patent: 3836537 (1974-09-01), Boerwinkle
patent: 4140664 (1979-02-01), Mizuguchi
patent: 4650848 (1987-03-01), Schulz

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