ALEXANDRIA, Va., June 19 -- United States Patent no. 12,329,837, issued on June 17, was assigned to BASF SE (Ludwigshafen, Germany).
"Aqueous surfactant compositions and soap bars" was invented by Zhao Ting Liu (Shanghai), Yang Zhang (Shanghai), Ming Hao Gu (Shanghai) and Claudia Brunn (Dusseldorf-Holthausen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Suggested are surfactant compositions comprising: One or more alpha-sulfofatty acid disalts (A) of general formula (I), RICH (SO3M1) COOM2 (I), wherein the radical R 1 denotes a linear or branched alkyl or alkenyl radical having 6 to 18 C atoms and the radicals M 1 and M 2-independently of one another-are selected from the group H, Li, Na, K, Ca/2, ...