US Patent Issued to ECOLAB USA on Sept. 29 for "Method of preparing aldehyde-functionalized polymers" (Minnesota Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,307, issued on Sept. 29, was assigned to ECOLAB USA INC. (St. Paul, Minn.).

"Method of preparing aldehyde-functionalized polymers" was invented by Herman Mark Grimm (Eagan, Minn.), Mei Liu (Eagan, Minn.), David Jordan (Eagan, Minn.) and Nathan Jones (Eagan, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "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 a...