The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 30, 2026
Filed:
Aug. 18, 2022
Sicpa Holding SA, Prilly, CH;
Cécile Laporte, Aubonne, CH;
Pierre-Sylvain Philippon, Saint Julien en Genevois, CH;
Salvatore Cartesio, Milazzo, IT;
Mickael Bailleul, Labergement Sainte Marie, FR;
Riccardo Ruggerone, Echallens, CH;
SICPA HOLDING SA, Prilly, CH;
Abstract
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 25° C., and comprises: a) from about 4 wt-% to about 6 wt-% of uncapped NaXFYbZnanoparticles; b) from about 1.5 wt-% to about 10 wt-% of a dispersing agent; c) from about 80 wt-% to about 90 wt-% of an organic solvent; and d) from about 0.1 wt-% to about 1 wt-% of a conductive salt, as well as a process for producing said ink, and a process for manufacturing a photoluminescent security feature on an article, or a value document, with said ink.