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:
Dec. 29, 2009
Filed:
Mar. 03, 2006
Applicants:
Thomas Heidenfelder, Dannstadt-Schauernheim, DE;
Marcus Guzmann, Mühlhausen, DE;
Helmut Witteler, Wachenheim, DE;
Uwe Ossmer, Neustadt, DE;
Inventors:
Thomas Heidenfelder, Dannstadt-Schauernheim, DE;
Marcus Guzmann, Mühlhausen, DE;
Helmut Witteler, Wachenheim, DE;
Uwe Ossmer, Neustadt, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 8/584 (2006.01);
U.S. Cl.
CPC ...
Abstract
Methods of increasing permeability in a carbonatic rock formation, the methods comprising: providing an alkanesulfonic acid; and introducing the alkanesulfonic acid into the carbonatic rock formation.