ALEXANDRIA, Va., July 9 -- United States Patent no. 12,351,602, issued on July 8, was assigned to Ichnos Sciences SA. (La Chaux-de-Fonds, Switzerland).

"Methods of inactivating viral contaminants" was invented by Filipa Abrantes (La Chaux-de-Fonds, Switzerland), Sonia Letestu (La Chaux-de-Fonds, Switzerland), Laure Cahuzac (La Chaux-de-Fonds, Switzerland) and Lionel Duarte (La Chaux-de-Fonds, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a method for preparing an antibody-containing solution free viral contaminants starting from cultured cells are described. The method include a step of subjecting the antibody containing solution to a mix of solvent and detergent...