ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,390,413, issued on Aug. 19, was assigned to BASF SE (Ludwigshafen, Germany).
"Biobased pearlescent waxes" was invented by Claudia Stoer (Monheim, Germany), Claus Nieendick (Dusseldorf-Holthausen, Germany), Markus Dierker (Dusseldorf, Germany), Ansgar Behler (Dusseldorf-Holthausen, Germany), Sybille Cornelsen (Monheim, Germany) and Werner Mauer (Dusseldorf-Holthausen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to biobased waxy esters which in particular in the form of wax dispersions bring about cloudiness and/or pearlescence in cosmetic cleansers. The invention further provides the use of the waxes in cosmetic compositi...