ALEXANDRIA, Va., March 24 -- United States Patent no. 12,583,971, issued on March 24, was assigned to POLYMEREXPERT SA (Pessac, France).
"Biosourced gelling polyamides" was invented by Marc Dolatkhani (Cestas, France), Eric Lutz (Pessac, France), Marie Odile Hecht (Pessac, France), Olga Siscan (Pessac, France), Victor Salvado (Merignac, France) and Anne Pagnoux (Le Barp, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to novel biosourced polyamide derivatives able to form gels, the method for preparing same, the gels formed from these gelling polyamides, as well the compositions containing them, in particular cosmetic compositions."
The patent was filed on Oct. 15, 2020, under Ap...