ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,654, issued on July 28, was assigned to KEMIRA OYJ (Helsinki, Fla.).
"Starch fixation and retention in recycled fiber systems" was invented by Yuping Luo (Atlanta) and Jennifer Riser (Atlanta).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a novel method and composition for enhancing the efficiency of starch adsorption (i.e., starch trapping) from starch-containing furnishes comprising high content of recycled fibers for use in paper making processes such as pulp, paper, or board production. A novel polymer coagulation system is disclosed in which two quick inversion cationic emulsion polymers (starch trapping polymers ...