ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,244, issued on Dec. 2, was assigned to Biotest AG (Dreieich, Germany).
"Method and kit for testing potency of immunoglobulin compositions" was invented by Katharina Heim (Dreieich, Germany) and Marcus Gutscher (Dreieich, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to the field of immunotherapeutics. It provides a method for characterisation and quality control, in particular for determining the potency of an immunoglobulin composition comprising immunoglobulins derived from a plurality of human donors, the method comprising contacting the immunoglobulin composition with pneumolysin, adding erythrocytes to the ...