ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,629, issued on March 3, was assigned to Borregaard AS (Sarpsborg, Norway).

"Lignin derivative for reducing dishwasher film" was invented by Ross Johannes Ellis (Sarpsborg, Norway) and Guro Elise Fredheim (Sarpsborg, Norway).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to the use of lignin derivatives for reducing and/or preventing deposits on an object during a machine dishwashing process. Further, the present invention relates to a method for reducing and/or preventing deposits on an object and to a machine dishwasher detergent formulation comprising the lignin derivative described herein."

The patent was filed on Fe...