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:
Aug. 02, 2016
Filed:
Aug. 26, 2014
Applicant:
Ecolab Usa Inc., Eagan, MN (US);
Inventors:
Carol B. Batton, Yorkville, IL (US);
John E. Hoots, Batavia, IL (US);
Anthony G. Sommese, Wheaton, IL (US);
Thomas M. Miller, Aurora, IL (US);
Assignee:
Ecolab USA Inc., St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D 3/06 (2006.01); C09K 8/05 (2006.01); C09K 8/528 (2006.01); E21B 37/00 (2006.01); C11D 3/00 (2006.01); C11D 11/00 (2006.01); C11D 3/04 (2006.01); C11D 3/32 (2006.01); C11D 3/16 (2006.01);
U.S. Cl.
CPC ...
C11D 3/0026 (2013.01); C11D 3/04 (2013.01); C11D 3/06 (2013.01); C11D 3/162 (2013.01); C11D 3/323 (2013.01); C11D 11/0041 (2013.01);
Abstract
The present invention generally relates to methods for removing silica or silicate deposits comprising contacting a cleaning composition with a surface in contact with a liquid containing silica or silicates, wherein the cleaning composition comprises a salt of a nitrogen base having a fluoro inorganic anion. In particular, these methods for removing silica or silicate deposits can be used in steam generators, evaporators, heat exchangers, and the like that are used in produced water plant unit operations.