ALEXANDRIA, Va., June 19 -- United States Patent no. 12,329,844, issued on June 17, was assigned to L'OREAL (Paris).
"Composition for washing and conditioning the hair" was invented by Haidong Jia (Shanghai), Yixi Zhou (Shanghai) and Chensu Xu (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a composition comprising, in an aqueous phase at least one anionic surfactant; at least one amphoteric and/or zwitterionic surfactant; at least one alkyl(poly)glycoside nonionic surfactant; at least one polymer chosen from cationic polymers of cationic cellulose, cationic alkyldiallylamine or dialkyldiallylammonium cyclopolymer, amphoteric polymers which comprising one or more uni...