Patents by Inventor Kent Douglas Campbell

Kent Douglas Campbell 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 catalytic chlorination of ?-picoline
    Patent number: 7345177
    Abstract: 2-Chloro-5-trichloromethylpyridine is obtained by chlorinating ?-picoline in the vapor phase using a Mordenite zeolite or a supported palladium catalyst.
    Type: Grant
    Filed: April 26, 2005
    Date of Patent: March 18, 2008
    Assignee: Dow AgroSciences LLC
    Inventors: Kent Douglas Campbell, Dana Alan Livingston, Hawk Suewah Wan, Kenneth Michael Larson, Brian John Schoeman, Steven Roy Lakso
  • Process to produce halo-4-phenoxyquinolines
    Publication number: 20040044217
    Abstract: The present invention relates to a process for the preparation of halo-4-phenoxyquinolines.
    Type: Application
    Filed: June 30, 2003
    Publication date: March 4, 2004
    Inventors: Karl Leopold Krumel, Ruth Cezar Reed, Thomas A. Olmstead, Gary Alan Roth, Ian Robert King, Donald Neil Brattesani, Kent Douglas Campbell, John Davies