Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1994-11-09
1997-06-10
Szekely, Peter A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524322, 524394, 524398, 524399, 523205, 523207, 523210, C08K 509, C08K 910
Patent
active
056376359
ABSTRACT:
The present invention provides a water dispersible particulate polymer composition having improved water dispersibility comprising a water soluble particulate polymer which has been contacted with a finely divided particulate dispersant comprised of at least one insoluble or sparingly soluble fatty acid or salt thereof so that the particles of the water soluble particulate polymer have dispersed thereon said finely divided particulate dispersant, a method for making said water soluble particulate polymer composition, and the use thereof in viscosifying water-based fluids.
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Haag Gary L.
Phillips Petroleum Company
Szekely Peter A.
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