ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,273, issued on March 24, was assigned to Ecolab USA Inc. (St. Paul, Minn.).
"Composition and method for papermaking" was invented by Mingli Wei (Naperville, Ill.), Heqing Huang (Naperville, Ill.), David Steven Jordan (Evanston, Ill.), Weiguo Cheng (Naperville, Ill.), Mei Liu (Plainfield, Ill.), Zhi Chen (Lisle, Ill.), J. Matthew Chudomel (Aurora, Ill.) and Meng Zhang (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "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 th...