ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,741,267, issued on Sept. 22, was assigned to AXENS (Rueil-Malmaison, France).
"Catalyst medium comprising hollow microspheres" was invented by Robin Chal (Salindres, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a calcined medium, in particular a catalyst or a catalyst medium or an adsorbent/absorbent mass, in particular in the form of extrudates, pellets, granules or beads, the medium comprising a porous matrix comprising carbonates, clays, zeolites, oxides, or metal and/or silicon hydroxides, and the matrix incorporating hollow mineral microspheres having a different composition in a content of between 0.3 and...