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:
Jun. 17, 2025
Filed:
Jan. 17, 2024
Applicant:
Ecolab Usa Inc., St. Paul, MN (US);
Inventors:
Luiz Wanderley Bratfisch Pace, Campinas, BR;
Prasad Yogendra Duggirala, Naperville, IL (US);
Assignee:
Ecolab USA Inc., St. Paul, MN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D21C 11/10 (2006.01); D21C 3/22 (2006.01); D21C 9/00 (2006.01); D21C 11/00 (2006.01);
U.S. Cl.
CPC ...
D21C 11/106 (2013.01); D21C 3/226 (2013.01); D21C 9/008 (2013.01); D21C 11/0092 (2013.01);
Abstract
The disclosure provides methods and compositions for reducing the viscosity of black liquor. Also provided are methods of inhibiting deposition of scale and methods of processing black liquor. In some embodiments, the compositions include a carboxylate-containing polymer and an inorganic salt. In some embodiments, the compositions include a carboxylate-containing polymer, an inorganic salt, and a surfactant.