Patents by Inventor Rossen A. Yankov

Rossen A. Yankov 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).

  • Method for surface modification of synthetic artificial and natural polymers and polymer compositions using metals, non-metals and gases
    Patent number: 4452827
    Abstract: A low energy electron beam of ions of an element to be imparted in polymeric material is formed and accelerated, the beam being subjected to electromagnetic separation so that only a high purity stream of the ion of this element impinges upon the substrate for implantation herein.
    Type: Grant
    Filed: September 30, 1983
    Date of Patent: June 5, 1984
    Assignee: Institute Za Yadreni Izsledvaniya I Yadrena Energetika
    Inventors: Kolyo T. Kolev, Lilly B. Peeva, Assen E. Djakov, Rossen A. Yankov, Blagoy G. Amov, Stoyan B. Stoyanov