US Patent Issued to KNAUF GIPS on Jan. 27 for "Mechanical properties of waterproofed gypsum boards with polydimethylsiloxanes" (German Inventors)

ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,408, issued on Jan. 27, was assigned to KNAUF GIPS KG (Iphofen, Germany).

"Mechanical properties of waterproofed gypsum boards with polydimethylsiloxanes" was invented by Hans Wintrich (Castell, Germany), Janos Lotz (Gelnhausen, Germany), Lothar Scheller (Iphofen, Germany) and Simon Groninger (Markt Taschendorf, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A waterproofed gypsum board and associated method are provided, featuring the use of a mixture of magnesium oxide and a gypsum crystal modifier for improving the resistance to sagging of the waterproofed gypsum board, in particular, in moist and warm climatic conditions."

The patent was...