US Patent Issued to CHIYODA on Sept. 29 for "Composite catalyst, method for producing composite catalyst, and method for producing lower olefins" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,746,536, issued on Sept. 29, was assigned to CHIYODA Corp. (Yokohama, Japan).

"Composite catalyst, method for producing composite catalyst, and method for producing lower olefins" was invented by Shinya Hodoshima (Yokohama, Japan) and Azusa Motomiya (Yokohama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a composite catalyst that contains a zeolite which is a crystalline aluminosilicate that contains gallium and iron and has a skeletal structure of an 8- to 12-membered ring; or a zeolite which is a crystalline aluminosilicate that contains iron but no gallium and has a skeletal structure of an 8- to 12-membered ring; silicon dioxide...