Compositions – Leather or fur treating
Patent
1985-12-13
1988-04-26
Guynn, Herbert B.
Compositions
Leather or fur treating
252 851, C09K 702
Patent
active
047403187
ABSTRACT:
The rheological characteristics of aqueous well drilling fluids are improved by incorporating into the fluids small amounts of sulfonated styrene-maleic anhydride copolymers and at least one water-soluble polymer prepared from acrylic acid or acrylamide or their derivatives.
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patent: 4536296 (1985-08-01), Vio
patent: 4554307 (1985-11-01), Farrar et al.
Hale Arthur H.
Lawson Horace F.
Good A. J.
Great Lakes Research Corp.
Guynn Herbert B.
Reap C. R.
Taylor R. Laddie
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