Patents by Inventor Andrei Aleksandrovich Stepanov

Andrei Aleksandrovich Stepanov 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).

  • SYNTHESIS OF FLUORINATED OLEFINS FROM FLUORINATED ALCOHOLS
    Publication number: 20130197280
    Abstract: Disclosed is a process for producing a hydrofluoroalkene, RfCF?CH2 comprising contacting a hydrofluoroalkanol of structure RfCF2CH2OH, with a lewis acid to produce a mixture, diluting said mixture with a solvent to produce a solvent mixture, contacting the solvent mixture with a reactive metal, heating the solvent mixture and reactive metal for a sufficient amount of time to produce a hydrofluoroalkene, and condensing and collecting the volatile products comprising the hydrofluoroalkene, wherein Rf is F, or a fluorine-substituted alkyl group.
    Type: Application
    Filed: December 29, 2010
    Publication date: August 1, 2013
    Applicant: EI DU PONT DE NEMOURS AND COMPANY
    Inventors: Andrei Aleksandrovich Stepanov, Victor Filippovich Cherstkov, Mario Joseph Nappa