ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,276, issued on March 17, was assigned to Navigo Proteins GmbH (Halle/Saale, Germany).
"Immunoglobulin binding proteins for affinity purification" was invented by Erik Fiedler (Halle/Saale, Germany) and Mathias Kahl (Halle/Saale, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to immunoglobulin (Ig) binding proteins comprising one or more domains. The invention further relates to affinity matrices comprising the Ig binding proteins of the invention. The invention also relates to a use of these Ig binding proteins or affinity matrices for affinity purification of immunoglobulins and to methods of affinity purifica...