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:
Oct. 17, 2023
Filed:
Mar. 10, 2022
Applicant:
Ecolab Usa Inc., Saint Paul, MN (US);
Inventors:
Kelly Anne Rightmire, Saint Paul, MN (US);
Carter M. Silvernail, Saint Paul, MN (US);
Assignee:
ECOLAB USA INC., Saint Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D 1/72 (2006.01); C11D 1/722 (2006.01); C11D 3/06 (2006.01); C11D 3/08 (2006.01); C11D 3/10 (2006.01); C11D 3/37 (2006.01); B08B 3/04 (2006.01); C11D 3/04 (2006.01); C11D 3/12 (2006.01); C11D 3/20 (2006.01);
U.S. Cl.
CPC ...
C11D 3/3765 (2013.01); C11D 1/722 (2013.01); C11D 3/044 (2013.01); C11D 3/10 (2013.01); C11D 3/1213 (2013.01); C11D 3/201 (2013.01); C11D 3/2065 (2013.01);
Abstract
Detergent compositions effective for controlling hard water scale accumulation are described herein. In particular, the compositions combine a tetrapolymer with an alkaline composition to effectively prevent or remove calcium carbonate scale formations. Methods of employing the detergent compositions and of preventing scale accumulation are provided for use in alkaline warewash and other applications.