GENEVA, March 24 -- ORELL FUSSLI AG (Dietzingerstrasse 38003 Zurich) filed a patent application (PCT/EP2023/075320) for "LIGHT-GUIDE-BASED PROTECTIVE OPTICAL ELEMENT FOR SECURITY DOCUMENTS AND A SECURITY DOCUMENT" on Sep 14, 2023. With publication no. WO/2025/056167, the details related to the patent application was published on Mar 20, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).
Inventor(s): BASSET, Guillaume (9 rue du Marechal Joffre68330 Huningue), SAILER, Christian (Wydenweg 85745 Safenwil)
Abstract:
A protective optical element for security documents comprises a lightguide (12), an incoupler ...