Compositions – Leather or fur treating
Patent
1985-03-04
1986-06-03
Guynn, Herbert B.
Compositions
Leather or fur treating
166275, 526240, E21B 4322
Patent
active
045928509
ABSTRACT:
High molecular weight N,N-dimethylacrylamide copolymers and terpolymers were synthesized. These polymers offer outstanding advantages as injection water viscosifiers in enhanced oil recovery processes including chemical, miscible, and steam or in processes requiring profile improvement through adsorption and/or gelation. They are very valuable in applications where high salinity is a problem since they are relatively insensitive to metal salts (such as those containing polyvalent ions, such as Ca.sup.++ and Mg.sup.++).
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Guynn Herbert B.
Rockhill Alvin T.
The Goodyear Tire & Rubber Company
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