Patents by Inventor Ravindra J. Vora

Ravindra J. Vora 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).

  • Antipercolation gas-diffusion electrode and method of making same
    Patent number: 5300206
    Abstract: A gas diffusion electrode is provided with antipercolation coating by bonding a free-standing film, e.g. of polysulfone or polypropylene, to a catalyzed carbon cloth utilizing a filled polysulfone/N-MP adhesive which is subjected to solvent exchange with water by either a thermal bonding as in the case of a free-standing microporous polysulfone film or mechanical bonding as in the case of a commercial microporous polypropylene film.
    Type: Grant
    Filed: August 3, 1992
    Date of Patent: April 5, 1994
    Assignee: Metallgesellschaft AG
    Inventors: Robert J. Allen, Ravindra J. Vora, Michael De Marinis