Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Aqueous organic sulfonate surfactant systems containing phenylethersulfonate cosurfactants

Aqueous organic sulfonate surfactant systems containing phenylethersulfonate cosurfactants

US Patent 4609474 · Granted Sep 2, 1986

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Polyolefin-substituted dicarboxylic derivatives2001
Polyolefin-substituted dicarboxylic derivatives1999
Alkenyl-substituted dicarboxylic derivatives1998
Detergent composition containing an internal olefin sulfonate component having a1992
Preparation of alkyl aryl sulfonate concentrates having low viscosity1990
Alkylxylene sulfonate compositions1989
Polyalkoxy sulfonate, CO.sub.2 and brine drive process for oil recovery1985
Recovering oil by injecting aqueous alkali, cosurfactant and gas1985
Process for stimulating a well with a saline surfactant sulfate, alkanol and aci1981
Temporarily plugging a subterranean reservoir with a self-foaming aqueous soluti1980
Chemical flood oil recovery with highly saline reservoir water1980
Coupling agent1980