Patents by Inventor Natalya Vsevolodovna Orekhova

Natalya Vsevolodovna Orekhova 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 of preparing cycloolefines
    Patent number: 3949011
    Abstract: The method of preparing cycloolefines consists in that, according to the invention, the corresponding cyclodienes are hydrogenated with hydrogen in the presence of a catalyst which is an alloy of palladium with ruthenium or rhodium, the ruthenium content of the alloy being from 1 to 11 per cent (preferably 10 per cent) by weight, and the rhodium content being from 1 to 5 per cent (preferably 2 per cent) by weight, respectively. The hydrogenation is carried out at temperatures from room temperature to 220.degree.C, at a pressure from 1 to 1.5 atm.
    Type: Grant
    Filed: July 1, 1974
    Date of Patent: April 6, 1976
    Inventors: Viktor Sergeevich Smirnov, Vladimir Mikahilovich Gryaznov, Margarita Meerovna Ermilova, Natalya Vsevolodovna Orekhova