US 9,315,718 B2Granted

Low interfacial tension surfactants for petroleum applications

AssigneeSoane Energy, LLC

InventorsDavid S. Soane, Rosa Casado Portilla, John H. Dise, Robert P. Mahoney

Life of this patent

Estimating the term…

The invention relates to a class of novel surfactants that have utility in the recovery and/or extraction of oil.

Dependent claims

A method for extracting oil from an oil mixture comprising:

(a) adding a compound to an oil mixture, wherein the compound has the Formula IIb:
and
(b) collecting the oil.

Dependencies are inferred from the claim text.

C09K 8/584
Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids:…
C02F 1/00
Treatment of water, waste water, or sewage
C07C 69/593
Esters of acyclic unsaturated carboxylic acids having the esterified carboxyl group bound to an acyclic carbon atom: dicarboxylic acid esters…
C07C 69/73
Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO,…

From the US filing history. Foreign family members aren’t listed.

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