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US 2009/0264598 A1Published application
Novel surfactants for tertiary mineral oil extraction based on branched alcohols
AssigneeBASF SE
InventorsChristian Bittner, Gunter Oetter, Ulrich Steinbrenner, Marcus Guzmann, Andrea Haunert, Rainer Papp, Jens Rudolph
Life of this patent
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Abstract
Surfactants of the general formula R1-X where R1 is an aliphatic C17H35-alkyl radical and X is a hydrophilic group, and the mean degree of branching of the R1 radical is from 2.8 to 3.7. Mixtures which comprise such surfactants and the use of such surfactants and of mixtures thereof for tertiary mineral oil extraction.
Claims29
A surfactant of the general formula R1-X where R1-X is an aliphatic C17H35-alkyl radical and X is a hydrophilic group, wherein the mean degree of branching of the R1 radical is from 2.8 to 3.7.
Dependencies are inferred from the claim text.