ALEXANDRIA, Va., May 12 -- United States Patent no. 12,625,058, issued on May 12, was assigned to VALMET AUTOMATION OY (Espoo, Finland).

"Method and apparatus for controlling cellulose processing" was invented by Juha-Pekka Huhtanen (Tampere, Finland), Ismo Joensuu (Oulu, Finland) and Juha Ojanen (Valkeakoski, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A solution for controlling cellulose processing comprises performing (200) optically first measurements of the cellulose during the processing, performing (202) second measurements of the cellulose by directing (204) optical radiation to the cellulose, the radiation comprising at least one beam that is polarized and at least one separate beam is no...