US Patent Issued to Universitat Fur Bodenkultur Wien on Jan. 20 for "Method for preparing a lignosulfonate polymer" (Austrian Inventors)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,917, issued on Jan. 20, was assigned to Universitat Fur Bodenkultur Wien (Vienna).

"Method for preparing a lignosulfonate polymer" was invented by Gibson Stephen Nyanhongo (Tulln, Austria), Georg Guebitz (Tulln, Austria), Andreas Ortner (Tulln, Austria) and Sabrina Bischof (Tulln, Austria).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method is provided for preparing a water-insoluble lignosulfonate polymer from a first solution containing lignosulfonate precursors, which involves a) separating the lignosulfonate precursors from the first solution and providing a second solution with at least 5 wt % of lignosulfonate precursors obtained from the f...