Surfactants for tertiary mineral oil extraction based on...

Details Surfactants for tertiary mineral oil extraction based on... Surfactants for tertiary mineral oil extraction based on...

2009-04-08

2011-12-20

Choi, Ling (Department: 1763)

Colloid systems and wetting agents; subcombinations thereof; pro

Continuous liquid or supercritical phase: colloid systems;...

Aqueous continuous liquid phase and discontinuous phase...

C525S231000, C525S418000, C536S004100, C568S672000

Reexamination Certificate

active

08080588

ABSTRACT:
Surfactants of the general formula R1—X where R1is an aliphatic C17H35-alkyl radical and X is a hydrophilic group, and the mean degree of branching of the R1radical 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.

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