US Patent Issued to VESUVIUS U S A on Sept. 9 for "Porous refractory cast material, its use and production" (Illinois Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,106, issued on Sept. 9, was assigned to VESUVIUS U S A Corp. (Champaign, Ill.).

"Porous refractory cast material, its use and production" was invented by Duane L. Debastiani (Champaign, Ill.) and Xianxin Zhou (Champaign, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A porous refractory cast material contains a closed refractory aggregate fraction having a minimum particle size and a maximum particle size; the ratio of maximum particle size to minimum particle size is 10:1 or less. This closed refractory aggregate fraction comprises all of the porous refractory cast material having a particle diameter greater than 0.1 mm. The porous refractory...