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:
Mar. 24, 2026
Filed:
Aug. 30, 2022
Applicant:
Ecolab Usa Inc., St. Paul, MN (US);
Inventors:
Mingli Wei, Naperville, IL (US);
Heqing Huang, Naperville, IL (US);
David Steven Jordan, Evanston, IL (US);
Weiguo Cheng, Naperville, IL (US);
Mei Liu, Plainfield, IL (US);
Zhi Chen, Lisle, IL (US);
J. Matthew Chudomel, Aurora, IL (US);
Meng Zhang, Shanghai, CN;
Assignee:
Ecolab USA Inc., St. Paul, MN (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21H 17/00 (2006.01); D21H 17/38 (2006.01); D21H 17/67 (2006.01); D21H 21/18 (2006.01); D21H 23/04 (2006.01);
U.S. Cl.
CPC ...
D21H 17/74 (2013.01); D21H 17/38 (2013.01); D21H 17/675 (2013.01); D21H 21/18 (2013.01); D21H 23/04 (2013.01);
Abstract
Compositions and colloidal particles are provided that may be used to improve a papermaking process. The compositions and colloidal particles may include a polymer and an inorganic salt. A papermaking process carried out using the presently disclosed compositions and colloidal particles may produce a paper product that has increased strength properties.