Non-toxic flakes for authentication of pharmaceutical articles
AssigneeJDS Uniphase Corporation
InventorsWilfred C. Kittler, Jr., Alberto Argoitia, Paul G. Coombs, Charles T. Markantes
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Abstract
In one embodiment of the present invention, non-toxic inorganic flakes are used for identification and anticounterfeit protection of pharmaceutical articles, such as pills, tablets and capsules, having a core of a biologically active material and/or a biologically inert material. Non-toxic inorganic authentication flakes, either optically variable flakes or taggant flakes having one or more symbols and/or a selected shape are disposed on the surface or inside of the pharmaceutical article.
Claims20
A pharmaceutical, nutraceutical, or veterinarian unit-dosage article having a surface, comprising:
- a material selected from the group consisting of a biologically active material and a biologically inert material, and a mixture thereof;
- and authentication flakes selected from the group consisting of non-toxic, inorganic optically variable flakes having at least one metallic layer and non-toxic, inorganic taggant flakes;
- wherein the authentication flakes are dispersed within the article or on the surface.
A pharmaceutical, nutraceutical, or veterinarian ointment comprising:
- an ointment base selected from the group consisting of a biologically active material and a biologically inert material, and a mixture thereof;
- and authentication flakes selected from the group consisting of non-toxic, inorganic optically variable flakes and non-toxic, inorganic taggant flakes;
- and wherein the authentication flakes are dispersed within the ointment base.
Dependencies are inferred from the claim text.