ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,146, issued on Dec. 9, was assigned to L'OREAL (Paris).

"Skin brightening compositions with thiopyridinone compound" was invented by Catherine Chiou (Saddle Brook, N.J.), Hungta Lin (Teaneck, N.J.), Mariko Hasebe (New York), Nicholas David Stebbins (Clark, N.J.) and Ritesh Kumar Sinha (Linden, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cosmetic composition comprising: (a) 2-mercaptonicotinoyl glycine; (b) acyl glycinate surfactant; (c) a salt providing divalent cations having a charge density of about 40 to about 200 C/mm3 and a water solubility of at least 400 g/L; (d) anionic polymer; (e) glycerin; (f) water; and (g) reducing agent. The ...