ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,163, issued on March 17, was assigned to KNAUF GIPS KG (Iphofen, Germany).
"High solids, sprayable setting type joint compound" was invented by Tyler Kincaid (Wheaton, Ill.), Rafael Bury (Wheeling, Ill.), Joseph W. Schlude (South Barrington, Ill.) and Naveen Punati (Lake Zurich, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A high solids, sprayable, fast drying, ready-mixed setting-type joint compound comprising a blend of a joint compound mixture comprising: joint compound mixture ingredients comprising: calcium sulfate hemihydrate (e.g. US Gypsum's HYDROCAL C-Base), a chelating agent, and water; and an activator mixture, wherein the activat...