TechMark® Taggant intelligent papers feature taggants that are part of the paper itself. Taggants are invisible under ordinary light. But when viewed under UV light, they become readily visible and allow for quick visual verification.
Techmark, Inc: Techmark, Inc: Intelligent papers
Appleton Security Products (Appleton, WI) developed a line of intelligent papers with embedded taggants that offer unique identifying characteristics to help prevent couterfeiting, alteration, and piracy of branded products and valuable documents.
Dec 31st, 2002