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:
Sep. 29, 2026
Filed:
Oct. 22, 2022
Applicant:
Ecolab Usa Inc., St. Paul, MN (US);
Inventors:
Herman Mark Grimm, Eagan, MN (US);
Mei Liu, Eagan, MN (US);
David Jordan, Eagan, MN (US);
Nathan Jones, Eagan, MN (US);
Assignee:
ECOLAB USA INC., St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 8/28 (2006.01); C08F 220/56 (2006.01); C08F 226/04 (2006.01); D21H 17/37 (2006.01); D21H 21/20 (2006.01);
U.S. Cl.
CPC ...
C08F 8/28 (2013.01); C08F 220/56 (2013.01); C08F 226/04 (2013.01); D21H 17/375 (2013.01); D21H 21/20 (2013.01); C08F 2800/20 (2013.01); C08F 2810/10 (2013.01);
Abstract
A method is provided for generating aldehyde-functionalized polymers such as GPAM, wherein progress of the aldehyde-functionalized polymer formation is monitored by measuring viscosity using an online viscometer. A method is also provided for enhancing paper strength, said method comprising generating an aldehyde-functionalized polymer, such as GPAM, according to the present disclosure, and combining said aldehyde-functionalized polymer with a fiber slurry or applying it to a paper sheet.