Patents by Inventor Sergei Arnol'Dovich Postovoi

Sergei Arnol'Dovich Postovoi 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).

  • Preparation of selected fluoroolefins
    Patent number: 6703533
    Abstract: A process is disclosed for producing (CF3)2C═CH2, CF3CH═CF2, CF2═C(CF3)OCF2CHF2 and C6H5C(CF3)═CF2. The process involves contacting the corresponding fluorocarbon starting material selected from (CF3)2CFCH2F, (CF3)2CHF, (CF3)2CFOCF2CHF2 and C6H5CF(CF3)2, in the vapor phase, with a defluorination reagent selected from carbon, copper, iron nickel and zinc at an elevated temperature of at least 300 ° C.
    Type: Grant
    Filed: November 21, 2001
    Date of Patent: March 9, 2004
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Gennadii Gerskovich Belen'Kii, Viacheslav Alexandrovich Petrov, Sergei Arnol'Dovich Postovoi, Paul Raphael Resnick, Yurii Vilovich Zeifman