Patents by Inventor Katerina Djambazova

Katerina Djambazova has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • TAMPER-EVIDENT MATERIALS, ADHESIVES, SEALS, AND CONTAINERS
    Publication number: 20200165038
    Abstract: Described herein are tamper-evident adhesive seals for sealing articles, containers, and other enclosure in which a covert tamper evidencing agent is included in an adhesive sealing material. The presence of the covert tamper evidencing agent reveals evidence of tampering when exposed to UV light.
    Type: Application
    Filed: August 14, 2018
    Publication date: May 28, 2020
    Applicant: SUN CHEMICAL CORPORATION
    Inventors: Carl S. Weisbecker, Mohammad Farahat, Katerina Djambazova, David DeShazer