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.:
Date of Patent:
Sep. 03, 2013
Filed:
Sep. 23, 2011
Juergen Huff, Ludwigshafen, DE;
Guenter Oetter, Frankenthal, DE;
Angelika Kuehnle, Osnabrueck, DE;
Susanne Petrovic, Ludwigshafen, DE;
Marcus Guzmann, Muehlhausen, DE;
Ingo Muenster, Boehl-Iggelheim, DE;
Gregor Brodt, Heppenheim, DE;
Juergen Huff, Ludwigshafen, DE;
Guenter Oetter, Frankenthal, DE;
Angelika Kuehnle, Osnabrueck, DE;
Susanne Petrovic, Ludwigshafen, DE;
Marcus Guzmann, Muehlhausen, DE;
Ingo Muenster, Boehl-Iggelheim, DE;
Gregor Brodt, Heppenheim, DE;
BASF SE, Ludwigshafen, DE;
Abstract
Use of a mixture comprising a surfactant and a cosurfactant in the form of an aqueous solution for flooding underground deposits of hydrocarbons for mobilizing and recovering the hydrocarbons from the underground deposits, the cosurfactant being a substance or a group of substances selected from the following list: