Patents by Inventor Evgueni Bogdanov Budevski

Evgueni Bogdanov Budevski 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).

  • Patent number: 4031033
    Abstract: Powdered wetproofed materials, useful for the manufacture of gas-diffusion electrodes, are produced by forming a suspension of an electroconductive powder in a liquid which is water or an organic solvent in the presence of a wetproofing agent and recovering the wetproofed material.
    Type: Grant
    Filed: May 30, 1975
    Date of Patent: June 21, 1977
    Assignee: ZLEHIT pri BAN
    Inventors: Evgueni Bogdanov Budevski, Iliya Dimitrov Iliev, Anastasiya Rostislavova Kaisheva, Sergei Sergeev Gamburtzev, Elena Borisova Vakanova