Patents by Inventor Mary E. Jeselnik

Mary E. Jeselnik 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).

  • Vapor phase chlorination of 1,1-dichloroethane
    Patent number: 4301314
    Abstract: In the preparation of methylchloroform by vapor phase chlorination of 1,1-dichloroethane, the formation of undesirable chlorohydrocarbon reaction products is suppressed by conducting the vapor phase reaction in the presence of a controlled amount of elemental oxygen.
    Type: Grant
    Filed: February 21, 1978
    Date of Patent: November 17, 1981
    Assignee: PPG Industries, Inc.
    Inventors: Walker H. Rideout, Mary E. Jeselnik