ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,221,620, issued on Feb. 11, was assigned to Zeta SCIENCE GmbH (Dresden, Germany).
"Bioactive coating material" was invented by Uwe Freudenberg (Dresden, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention refers to a bioactive coating material for coating plastic materials for cell cultures, comprising a polymer conjugate of each a polymer anchor molecule having surface active anchoring groups and one or more biologically active molecules. The anchor molecule is an amphiphilic molecule with a hydrophobic moiety of styrene-, methacrylic acid-, isobutene-, acrylic acid-, acrylic acid ester-, or methacrylic acid ester units and a h...