Patents by Inventor James J. Weller

James J. Weller 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).

  • 1,1,1,3,3-pentachloropropane process purge stream concentration using a secondary refluxed evaporator and secondary product recovery
    Patent number: 6720466
    Abstract: A process for economically producing 1,1,1,3,3-pentachloropropane under conditions which preserve the activity of the catalyst. In a preferred embodiment, a two-stage distillation process is employed. In the two-stage process, the size of the equipment, temperature and vacuum are varied.
    Type: Grant
    Filed: April 17, 2002
    Date of Patent: April 13, 2004
    Assignee: Vulcan Chemicals Division of Vulcan Materials Company
    Inventors: Richard L. Wilson, John L. Dawkins, Rodney L. Klausmeyer, James J. Weller
  • 1,1,1,3,3-pentachloropropane process purge stream concentration using a secondary refluxed evaporator and secondary product recovery
    Publication number: 20030199716
    Abstract: A process for economically producing 1,1,1,3,3-pentachloropropane under conditions which preserve the activity of the catalyst. In a preferred embodiment, a two-stage distillation process is employed. In the two-stage process, the size of the equipment, temperature and vacuum are varied.
    Type: Application
    Filed: April 17, 2002
    Publication date: October 23, 2003
    Applicant: VULCAN CHEMICALS DIVISION OF VULCAN MATERIALS COMPANY
    Inventors: Richard L. Wilson, John L. Dawkins, Rodney L. Klausmeyer, James J. Weller