US Patent Issued to SICPA HOLDING on June 30 for "Photoluminescent security ink for continuous ink-jet printing" (Swiss, Italian, French Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,711, issued on June 30, was assigned to SICPA HOLDING SA (Prilly, Switzerland).

"Photoluminescent security ink for continuous ink-jet printing" was invented by Cecile Laporte (Aubonne, Switzerland), Pierre-Sylvain Philippon (Saint Julien en Genevois, Switzerland), Salvatore Cartesio (Milazzo, Italy), Mickael Bailleul (Labergement Sainte Marie, France) and Riccardo Ruggerone (Echallens, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a photoluminescent security ink for continuous ink-jet printing, wherein said ink has a viscosity of about 1.5 mPas to about 6 mPas at 25deg C., and comprises: a) from about 4 wt...