ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,399,177, issued on Aug. 26, was assigned to Bio-Rad Laboratories Inc. (Hercules, Calif.).
"Combination treponemal and non-treponemal syphilis test" was invented by Ravi Kaul (Davis, Calif.), Weiming Zheng (Emeryville, Calif.) and Roger Walker (Benicia, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided herein are multiplex assays for detecting antibodies indicative of presence and stage of syphilis infection in an individual. Individuals infected with syphilis produce antibodies directed to syphilis components and the lipid cellular debris associated with the infection. The present disclosure represents the first combination of these diverse...