Patents by Inventor Valentina I. Lebedeva

Valentina I. Lebedeva 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: 4157354
    Abstract: Method for the dehydrogenation or dehydrocyclization of paraffins, for dehydrogenation of olefins with from 2 to 20 carbon atoms, and for hydrodealkylation of naphthalene homologs at temperatures ranging from 300.degree. to 650.degree. C. on a catalyst comprising a palladium base alloy containing rhenium, tungsten or a combination of tungsten and ruthenium.The method can find application in the production of monomers, such as isoprene, for synthetic materials, pharmaceuticals, in processing petroleum hydrocarbons and natural gas.
    Type: Grant
    Filed: December 30, 1976
    Date of Patent: June 5, 1979
    Inventors: Viktor S. Smirnov, Vladimir M. Gryaznov, Valentina I. Lebedeva, Alexandr P. Mischenko, Victoria P. Polyakova, Evgeny M. Savitsky