US Patent Issued to KNAUF GIPS on April 22 for "Methods for reclaiming gypsum panels that contain hydrophobic materials and use thereof" (American, Canadian Inventors)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,045, issued on April 22, was assigned to KNAUF GIPS KG (Iphofen, Germany).

"Methods for reclaiming gypsum panels that contain hydrophobic materials and use thereof" was invented by Rudy A. Schermann (El Centro, Calif.), Annamaria Vilinska (Chicago), Alfred Li (Naperville, Ill.), Blair C. Walker (Timmins, Canada), Te Hua Lau (Glenview, Ill.), Stephen P. Erickson (Imperial, Calif.), Jose Luis Carrazco (Imperial, Calif.) and Angel Arturo Rueda (El Centro, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for making a gypsum board including: combining a first plurality of particles including at least about 50 wt. % calcium sulfate dihydrate ...