Branched alkoxypolyethoxypropane sulfonates and their use in...

Details Branched alkoxypolyethoxypropane sulfonates and their use in... Branched alkoxypolyethoxypropane sulfonates and their use in...

E - Fixed Constructions

21

B

31/31, 260/503.9

E21B 43/22 (2006.01) C07C 143/11 (1980.01)

Patent

CA 1190244

ABSTRACT OF THE DISCLOSURE Novel branched alkoxypolyethoxypropane sulfonate surfactants which have low interfacial tension at high salinity, and are used in enhanced oil recovery, have the formula Image in which R1 is an alkyl group having from 6 to 26 carbon atoms, R2 is an alkyl group having from 2 to 10 carbon atoms and x has a value from 2 to 6.

402064

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