GENEVA, Sept. 18 -- COVESTRO DEUTSCHLAND AG filed a patent application (EP2026/055064) for “SECURITY DOCUMENT WITH LASERED-IN WATERMARK”. With publication no. WO/2026/185061, here are the other details related to the patent application:
Kind: Initial Publication with ISR [A1]
IPC: B42D 25/351
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).
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