US Patent Issued to Ecolab USA on Dec. 23 for "Process to optimize brown stock washing unit operations" (American, Canadian Inventors)

ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,814, issued on Dec. 23, was assigned to Ecolab USA Inc. (St. Paul, Minn.).

"Process to optimize brown stock washing unit operations" was invented by William Von Drasek (Oak Forest, Ill.), Prasad Y. Duggirala (Naperville, Ill.), Dorota Smoron (Bartlett, Ill.), Christopher Powers (Foley, Ala.), David Sirois (Sherwood, Wis.), Khaled Zouaoui (Naperville, Ill.) and Michael Kjerulf (Winnipeg, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of treating brown stock in a brown stock washing process is provided. The method includes measuring a refractive index of a brown stock; and dosing an additive to the brown stock according to at least the...