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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9212545 B1

PDFFull Text
Expired
Date of Patent:
Dec. 15, 2015

Filed:

Oct. 17, 2012

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

Applicant:

Wintershall Holding Gmbh, Kassel, DE;

Inventors:

Günter Oetter, Frankenthal, DE;

Björn Heinz, Mannheim, DE;

Markus Hansch, Speyer, DE;

Horst Weiss, Neuhofen, DE;

Peter Deglmann, Mannheim, DE;

Vandana Kurkal-Siebert, Heidelberg, DE;

Frank Heilmann, Dirmstein, DE;

Ravindra Aglave, Katy, TX (US);

Lorenz Siggel, Heidelberg, DE;

Benjamin Wenzke, Hamburg, DE;

Assignee:

Wintershall Holding GmbH, Kassel, DE;

Attorney:

Drinker Biddle & Reath LLP

Primary Examiner:

Susannah Chung

Assistant Examiner:

Kumar R Bhushan

Int. Cl.
CPC ...
E21B 43/16 (2006.01); C07C 41/03 (2006.01); C09K 8/584 (2006.01); C07C 39/10 (2006.01); C08G 65/26 (2006.01); C08G 65/334 (2006.01);
U.S. Cl.
CPC ...
E21B 43/16 (2013.01); C07C 39/10 (2013.01); C07C 41/03 (2013.01); C08G 65/2612 (2013.01); C08G 65/3344 (2013.01); C09K 8/584 (2013.01); C09K 2208/30 (2013.01);
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of the general formula (I) is injected into a mineral oil deposit through an injection well and the crude oil is withdrawn from the deposit through a production well,

Find Patent Forward Citations

Oetter, Günter. (2015). Use of tris(2-hydroxyphenyl)methane derivatives for tertiary mineral oil production (U.S. Patent No. 9212545). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9212545

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