US Patent Issued to KNAUF GIPS on June 9 for "Coated gypsum set stabilizing particles having a hydrophobic gypsum core, gypsum board including same, process for making the particles, and process for making the gypsum board" (Illinois Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,649,692, issued on June 9, was assigned to KNAUF GIPS KG (Iphofen, Germany).

"Coated gypsum set stabilizing particles having a hydrophobic gypsum core, gypsum board including same, process for making the particles, and process for making the gypsum board" was invented by Mark K. Hemphill (Hawthorn Woods, Ill.), Naser Aldabeibeh (Homer Glen, Ill.) and Mark Antosh (Wheeling, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A plurality of set stabilizer particles including: a particle core including 50 to 98 wt. %, preferably 70 to 98 wt. % or 70 to 95 wt. %, calcium sulfate dihydrate and 0.05 to 10 wt. %, preferably 0.5 to 5 wt. %, hydrophobic material ...