ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,915, issued on April 29, was assigned to Corning Inc. (Corning, N.Y.).

"High porosity ceramic honeycomb structure and method of manufacturing" was invented by Douglas Munroe Beall (Painted Post, N.Y.), Achim Karl-Erich Heibel (Corning, N.Y.) and David John Thompson (Savona, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of manufacturing a ceramic honeycomb structure by mixing a ceramic precursor batch composition having a median particle diameter less than or equal to about 10 micro metre and at least one starch-based pore former having a median particle diameter greater than or equal to about 10 micro metre. The method also includes fo...