US Patent Issued to L'OREAL on Sept. 8 for "Composition comprising two particular oxidation dye precursors and a particular amino silicone" (French Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,728,089, issued on Sept. 8, was assigned to L'OREAL (Paris).

"Composition comprising two particular oxidation dye precursors and a particular amino silicone" was invented by Julie Blanc (Saint-Ouen, France) and Laurence Cottard-Mei (Saint-Ouen, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a composition comprising at least one oxidation dyeing base chosen from the derivatives of para-phenylenediamine of formula (I), addition salts thereof, solvates thereof and/or solvates of the salts thereof, at least one oxidation coupler chosen from 6-hydroxybenzomorpholine of formula (II), an addition salt thereof, solvates thereof a...