Nocopi Technologies, Inc. develops and distributes document security products in the United States and internationally. The company also licenses its patented reactive ink technologies for the entertainment and toy, and document and product authentication markets. It offers removable dyes and plastic pen caps for children's activity products applications, such as coloring books without crayons or restaurant place mats, educational instruction books, and testing review manuals; and anti-counterfeiting and anti-diversion technologies and products for various applications in the authentication of documents having intrinsic value comprising merchandise receipts, checks, travelers' checks, gift certificates, and event tickets, as well as product labeling and packaging.