Patents by Inventor Svetlana Ivanovna Ozol

Svetlana Ivanovna Ozol 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 1,1,1,3,3-pentachloropropane by photochlorination of 1,1,1,3-tetrachloropropane
    Patent number: 5705779
    Abstract: A process for the preparation of 1,1,1,3,3-pentachloropropane (HCC-240fa). HCC-240fa is prepared by the photochlorination of 1,1,1,3-tetrachloropropane (HCC-250). HCC-240fa is an important intermediate in the preparation of 1,1,1,3,3-pentafluoropropane (HFC-245fa) an HFC blowing agent which is not destructive to the ozone layer.
    Type: Grant
    Filed: August 8, 1996
    Date of Patent: January 6, 1998
    Assignee: AlliedSignal Inc.
    Inventors: Timothy Rech Demmin, Valeriy Georglevitch Barabanov, Svetlana Ivanovna Ozol, Victor Grigorievitch Temchenko