ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,321, issued on May 12, was assigned to MAISON WESSMAN (Saint Cernain de Cabardes, France).

"Opacified sparkling white wine and method for producing same" was invented by Vilhem Robert Wessman (London).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a bottled sparkling white wine and to the method for producing same. The bottled wine contains a measured amount of an opacifying agent that does not alter the organoleptic properties of the wine; said measured amount, added prior to final corking of the bottle, consists of a suspension of finely divided oenological activated carbon in a food-grade liquid."

The patent was filed on J...