US Patent Issued to KEMIRA on June 2 for "Stable cationic polyacrylamide dispersions and use thereof in papermaking" (Finnish Inventors)

ALEXANDRIA, Va., June 2 -- United States Patent no. 12,644,230, issued on June 2, was assigned to KEMIRA OYJ (Helsinki).

"Stable cationic polyacrylamide dispersions and use thereof in papermaking" was invented by Marko Laakkonen (Espoo, Finland), Claudio Carletti (Helsinki), Jonni Ahlgren (Espoo, Finland), Valtteri Viljanen (Helsinki) and Edin Goletic (Helsinki).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure generally relates to aqueous cationic polyacrylamide (CPAM) dispersions, methods of preparation and methods of use thereof, particularly in the paper industry. For example, these CPAM dispersions may be used in any of the following: (i) sticky control in paper manufacturing (ii) fix...