US Patent Issued to L'OREAL on March 25 for "Hair coloring compositions and methods of use" (American, Indian Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,330, issued on March 25, was assigned to L'OREAL (Paris).

"Hair coloring compositions and methods of use" was invented by Heather Lee (Wayne, N.J.), Dongcui Li (Metuchen, N.J.), Jun Liang (Staten Island, N.Y.), Sarah Barrie Machover (New-York, N.Y.) and Sangeeta Gaikwad (Powai, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to hair coloring compositions; and to methods for coloring hair using the compositions. The hair coloring compositions are substantially anhydrous and include: one or more colorant; one or more glycols; one or more monoalcohols having from 2 to 6 carbon atoms; one or more cationic surfactants...