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:
Jul. 31, 2018
Filed:
Aug. 16, 2016
Applicant:
Ecolab Usa Inc., St. Paul, MN (US);
Inventors:
Jasbir S. Gill, Naperville, IL (US);
Anthony G. Sommese, Wheaton, IL (US);
Thomas M. Miller, Aurora, IL (US);
David Rodman, Townsville, AU;
Assignee:
Ecolab USA Inc., St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/72 (2006.01); C09K 8/528 (2006.01); E21B 43/26 (2006.01);
U.S. Cl.
CPC ...
C09K 8/72 (2013.01); C09K 8/528 (2013.01); C09K 2208/32 (2013.01); E21B 43/26 (2013.01);
Abstract
The present invention generally relates to methods for increasing recovery of crude oil from a subterranean hydrocarbon-containing formation and for removing or inhibiting deposits in a well, the methods comprising contacting an acid composition that comprises a salt of a nitrogen base having a fluoro inorganic anion with the well or the formation.