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
1988-01-27
1988-09-20
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...
524753, 524801, C08K 520
Patent
active
047726598
ABSTRACT:
The instant invention is directed to a surfactant system for use in manufacturing water-in-oil emulsions of water-soluble polymers made from ethylenically unsaturated monomers comprising 25 to 85 percent, by weight, an oil-soluble alkanolamide, 5 to 35 percent, by weight, a polyoxyethylene derivative of a sorbitan ester, and 0 to 50 percent, by weight sorbitan monooleate.
REFERENCES:
patent: 4002579 (1977-01-01), Mizutani
patent: 4024097 (1977-05-01), Slouinsky
Calgon Corporation
Mitchell W. C.
Mulcahy Peter D.
Schofer Joseph L.
Sudol, Jr. M. C.
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