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
1984-02-02
1990-05-01
Schofer, Joseph L.
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...
526304, 5263076, 5263077, 526320, 5263175, C08F22056
Patent
active
049219022
ABSTRACT:
A hydrophobe associative composition of an ethylenically unsaturated, water-soluble monomer such as acrylamide and an ethylenically unsaturated amphiphilic monomer such as dodecyl poly(oxyethylene).sub.10 methacrylate which is particularly effective for increasing the viscosity of brines or other aqueous media contaning salts or other electrolytes. Such copolymers are therefor useful in mobility control fluids and fracturing fluids for enhanced oil recovery and as drag reduction agents.
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Evani Syamalarao
Phung K. Van
Schofer Joseph L.
Smith Jeffrey T.
The Dow Chemical Company
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