ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,549, issued on Oct. 14, was assigned to SinocellTech Ltd. (Beijing).
"Polyvalent immunogenicity composition for human papillomavirus" was invented by Liangzhi Xie (Beijing), Chunxia Luo (Beijing), Wei Zhang (Beijing), Xiaoyan Suo (Beijing), Lin Pang (Beijing) and Ping Hu (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a multivalent HPV immunogenic composition for preventing human papillomavirus (HPV) related diseases or infections and uses thereof. Said multivalent HPV immunogenic composition comprises: HPV virus-like particles assembled from L1 proteins of HPV Types 6, 11, 16, 18, 31, 33, 45, 52, and 58; and...