US Patent Issued to CLARIANT INTERNATIONAL on Nov. 18 for "Catalyst system for producing maleic anhydride by means of the catalytic oxidation of n-butane" (German Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,472,488, issued on Nov. 18, was assigned to CLARIANT INTERNATIONAL LTD (Muttenz, Switzerland).

"Catalyst system for producing maleic anhydride by means of the catalytic oxidation of n-butane" was invented by Sebastian Boecklein (Bruckmuehl, Germany), Gerhard Mestl (Bruckmuehl, Germany), Anna Adler (Bruckmuehl, Germany) and Martin Kutscherauer (Hoerlkofen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a catalyst system for producing maleic anhydride by means of the catalytic oxidation of n-butane, comprising at least one reactor tube, which has two catalyst layers consisting of different catalyst particles, characterized...