ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,317, issued on Dec. 9, was assigned to DOVER EUROPE SARL (Vernier, Switzerland).

"Opaque grey ink jet ink composition" was invented by Stephanie Rascagneres (Guilherand Granges, France) and Gregory Guillot Patrique (Vinay, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "Opaque grey ink jet ink composition, comprising: a solvent comprising one or more organic solvent compound(s); b) a binder, comprising one or more binding resin(s); wherein the ink jet ink composition further comprises: one or more black pigment(s) and/or one or more black dye(s); one or more white pigment(s); wherein the one or more black pigment(s) and/or the one or more black...