ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,752,257, issued on Oct. 6, was assigned to KANEKA Corp. (Osaka, Japan).
"Alumina support" was invented by Takeru Tango (Tokyo) and Tetsunori Yoshioka (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An alumina support for a catalyst for a gas-phase reaction that increases the catalytic activity and allows a reduction in by-product yield, and a catalyst for a gas-phase reaction that is a metal compound supported on the alumina support are provided. The alumina support for a catalyst for a gas-phase reaction has a tubular shape with at least one hollow through hole and a BET specific surface area of 140 to 280 m2/g. In this alumina support, a v...