ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,085, issued on May 13, was assigned to Immutrix Therapeutics Inc. (Rapid City, S.D.).

"Method for extracorporeal treatment of preeclampsia and related disorders" was invented by Carol A. Rae (Rapid City, S.D.), Jan Simoni (Rapid City, S.D.) and John F. Moeller (Rapid City, S.D.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A three-component composition for use in the treatment of preeclampsia and related disorders wherein a first component comprises a bimodal synthetic carbon particle mixture; a second component comprises a resin bead with at least one affinity ligand directed toward syncytiotrophoblast-derived factor sEndoglin and a third componen...