US Patent Issued to SIEMPELKAMP MASCHINEN -UND ANLAGENBAU on Oct. 7 for "Wallboard and method of making and using same" (German Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,434,457, issued on Oct. 7, was assigned to SIEMPELKAMP MASCHINEN -UND ANLAGENBAU GMBH (Krefeld, Germany).

"Wallboard and method of making and using same" was invented by Hans-Rolf Conrad (Dormagen, Germany), Joerg Heinz Hueneke (Krefeld, Germany) and Lars Malindretos (Krefeld, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a material board (1) which comprises a core (2) and a first cover layer (3) and a second cover layer (4), each of which is formed by a mixture (7, 8) formed by lignin-containing particles (5, 6) and binder, which mixture is designed to form a solid body structure in a chemical binding process. The aim i...