ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,438, issued on March 18, was assigned to Inventprise Inc. (Redmond, Wash.).
"Immunogenic compositions of polysaccharide-protein pegylated compounds" was invented by Subhash V. Kapre (Redmond, Wash.) and Anup K. Datta (Renton, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure describes compositions containing PEGylated compounds using linkers, bivalent polysaccharide covalent PEG compounds, and methods of bivalent polysaccharide-PEG compounds in the development of multivalent vaccines. PEGylated conjugation of capsular polysaccharides to carrier proteins is carried out using homo-bifunctional and/or hetero-bifunctional linkers of s...