Sodium styrene sulfonate-co-sodium-n-(4-sulfophenyl)-maleimide-

Details Sodium styrene sulfonate-co-sodium-n-(4-sulfophenyl)-maleimide- Sodium styrene sulfonate-co-sodium-n-(4-sulfophenyl)-maleimide-

1982-09-13

1984-10-23

Guynn, Herbert B.

Compositions

Leather or fur treating

5253275, 526262, C09K 702

Patent

active

044787278

ABSTRACT:
A new copolymer of sodium styrene sulfonate-co-sodium-N-(4-sulfophenyl)-maleimidehas been found to be an improved viscosity control additive for water-based drilling muds.

REFERENCES:
patent: 2650905 (1953-09-01), Fordyce et al.
patent: 2718497 (1955-09-01), Oldham et al.
patent: 2979454 (1961-04-01), Fields et al.
patent: 3332872 (1967-07-01), Oakes
patent: 3730900 (1973-05-01), Perricone et al.

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