Patents by Inventor Dimiter Panayotov Nenov

Dimiter Panayotov Nenov 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).

  • Electrolytic process for silver oxidation
    Patent number: 4048025
    Abstract: A process for oxidation of silver and silver-plated articles having a violet or dark red decorative corrosion resistant coating by using an alternating current and as the electrolyte, a cupric chloride solution of concentration of 5 to 15 g/l.
    Type: Grant
    Filed: February 2, 1976
    Date of Patent: September 13, 1977
    Assignee: VMEI "LENIN" -- NIS Research Institution
    Inventors: Dimiter Panayotov Nenov, Verginia Ilieva Danova