Patent · US Active

Use of tris(2-hydroxyphenyl)methane derivatives for tertiary mineral oil production

US9212545B2 · kind B2 · utility

0Cited by

5References

17Claims

0Family size

Assignee

Wintershall Holding GmbH · DE

Inventors

Günter Oetter · Bischofswerda, DE
Björn Heinz · Mannheim, DE
Markus Hansch · Speyer, DE
Horst Weiss · Karlsruhe, DE
Peter Deglmann · Ludwigshafen, DE
Vandana Kurkal-Siebert · Heidelberg, DE
Frank Heilmann · Dirmstein, DE
Ravindra Aglave · Katy, US
Lorenz Siggel · Heidelberg, DE
Benjamin Wenzke · Hamburg, DE

Key dates

Filing date	Oct 17, 2012
Grant date	Dec 15, 2015
Priority date	—
Expiry date	Nov 18, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09K2208/30
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A process for mineral oil production, in which an aqueous formulation comprising tris(2-hydroxyphenyl)methane of the general formula (I) is injected into a mineral oil deposit through an injection well and the crude oil is withdrawn from the deposit through a production well,

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.