ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,123, issued on Sept. 9, was assigned to L'OREAL (Paris).
"Compositions and methods for altering the color of hair" was invented by Shahid Naseer (Hasbrouck Heights, N.J.), Martin Asare (Springfield, N.J.) and Sivaramakrishnan Muthukrishnan (Bridgewater, N.J.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure relates to compositions for altering the color of keratin fibers and methods of using the compositions. The compositions comprise (a) a bonding system comprising: (i) at least one first bonding agent chosen from citric acid and/or salts thereof, and (ii) at least one second bonding agent chosen from amino acids, amino sulfonic acids,...