US Patent Issued to CORNING on Sept. 15 for "Slot draw process" (French, American Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,342, issued on Sept. 15, was assigned to CORNING Inc. (Corning, N.Y.).

"Slot draw process" was invented by Antoine Gaston Denis Bisson (Painted Post, N.Y.), Bruno Le Gallic (Fontainebleau, France), Billel Seneina (Le mee-sur-seine, France) and Xavier Tellier (Cheroy, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "An improved slot down-draw process for forming glass sheets having a thickness less than 200 micro metre from glass formulations that have melting points near or above 1200deg C. is provided. The improvements allow easier maintenance of the slot assembly and better management of the thermal expansions experienced by some components ...