Organic compounds -- part of the class 532-570 series – Organic compounds – Sulfonic acids or salts thereof
Patent
1983-12-12
1989-10-10
Siegel, Alan
Organic compounds -- part of the class 532-570 series
Organic compounds
Sulfonic acids or salts thereof
252 8554, C07C14324
Patent
active
048730254
ABSTRACT:
Compositions comprising alkylxylene sulfonate compounds of the formula ##STR1## wherein R' represents a C.sub.6 to C.sub.20 alkyl group and wherein M represents a hydrogen, a metal, an ammonium or an amine ion, are useful as surfactants, particularly in enhanced oil recovery techniques.
REFERENCES:
patent: 2467131 (1949-04-01), Hunt et al.
patent: 3933201 (1976-01-01), Kerfoot et al.
P. H. Doe et al, J. Amer. Oil Chem. Soc., 55 (1978), 505-512.
P. H. Doe et al, J. Amer. Oil Chem. Soc., 55 (1978), 513-520.
Shell Oil Company
Siegel Alan
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