Patents by Inventor Oleg A. Zaidman

Oleg A. Zaidman 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 vinyl chloride
    Patent number: 4217311
    Abstract: Vinyl chloride is prepared by gas-phase chlorination of a gaseous mixture containing 5 to 50 vol. % of ethane and 50 to 95 vol. % of ethylene. The amount of chlorine supplied into the reaction zone is determined by the formula: number of chlorine moles=3m+ 0.3n, wherein m is the number of moles of ethane and n is the number of moles of ethylene. Chlorine is supplied into at 4 to 6 points of the reaction zone.The method of the present invention makes it possible to increase the yield of vinyl chloride up to 70% by weight, while reducing power consumption for the process 1.5 times as compared to the prior art methods.
    Type: Grant
    Filed: December 1, 1978
    Date of Patent: August 12, 1980
    Inventors: Oleg A. Zaidman, Erik V. Sonin, Ljudmila B. Sevostianova, Alla N. Melnik, Jury A. Treger, Larisa E. Paschenko, Leonid A. Oshin, Oleg V. Polozov