ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,502, issued on Dec. 30, was assigned to BIOMOLECULAR HOLDINGS LLC (Burlingame, Calif.).

"Hybrid immunoglobulin containing nonpeptidyl linkage" was invented by Daniel J. Capon (Hillsborough, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a compound having the structure:A-B-----Z wherein A is a biologically active structure of the compound; wherein Z is a protein component of the compound, which protein component comprises one or more polypeptides, wherein at least one of the one or more polypeptides comprises consecutive amino acids which (i) are identical to a stretch of consecutive amino acids present in a chai...