Patents by Inventor Christopher Thomas Hamilton

Christopher Thomas Hamilton 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).

  • Process for the preparation of 4-trifluoromethyl-2(1H)-pyridinone
    Patent number: 7488828
    Abstract: 4-Trifluoromethyl-2(1H)-pyridinone is prepared by reaction of 4-alkoxy-1,1,1-trifluorobut-3-en-2-one or 4,4-dialkoxy-1,1,1-trifluorobutan-2-one with a trialkyl phosphonoacetate followed by cyclization.
    Type: Grant
    Filed: June 24, 2005
    Date of Patent: February 10, 2009
    Assignee: Dow AgroSciences LLC
    Inventors: Christopher Thomas Hamilton, Michael Frederick Gullo, Michael Allen Gonzalez, Gary Alan Roth, David Bruce Gorman, Joachim Gebhardt, Norbert Götz, Hagen Jaedicke, Guido Mayer, Michael Rack
  • Process for the preparation of -([1,2,4]triazolopyrimidin-2-yl)aryl sulfonamides
    Patent number: 7339058
    Abstract: The N-arylsulfilimine-catalyzed coupling of aromatic sulfonyl chlorides with N-([1,2,4]triazolopyrimidin-2-yl)amines to form N-([1,2,4]triazolo-pyrimidin-2-yl)aryl sulfonamides is improved by the selection of 3-picoline or 3,5-lutidine as the base.
    Type: Grant
    Filed: March 24, 2005
    Date of Patent: March 4, 2008
    Assignee: Dow AgroSciences LLC
    Inventor: Christopher Thomas Hamilton
  • 1,2,4-triazole based compounds that can be used as insecticides or acaricides and processes
    Patent number: 6417187
    Abstract: 3-(Substituted aryl)-5-{substituted aryl-(alkynyl-aryl)}-[1,2,4]- triazole compounds are useful as insecticides and acaricides. New synthetic procedures and intermediates for preparing the compounds, pesticide compositions containing the compounds, and methods of controlling insects and mites using the compounds are also provided.
    Type: Grant
    Filed: April 13, 2001
    Date of Patent: July 9, 2002
    Assignee: Dow AgroSciences LLC
    Inventors: Vidyadhar Babu Hegde, Scott Jerome Bis, Emilie Chassat Heo, Christopher Thomas Hamilton, Peter Lee Johnson, Laura Lee Karr, Timothy Patrick Martin, Paul Allen Neese, Nailah Orr, Francis Eugene Tisdell, Maurice Chee Hoong Yap, Yuanming Zhu
  • 1,2,4-triazole based compounds that can be used as insecticides or acaricides and processes
    Publication number: 20020019370
    Abstract: 3-(Substituted aryl)-5-{substituted aryl-(alkynyl-aryl)}-[1,2,4]- triazole compounds are useful as insecticides and acaricides. New synthetic procedures and intermediates for preparing the compounds, pesticide compositions containing the compounds, and methods of controlling insects and mites using the compounds are also provided.
    Type: Application
    Filed: April 13, 2001
    Publication date: February 14, 2002
    Inventors: Vidyadhar Babu Hegde, Scott Jerome Bis, Emilie Chassat Heo, Christopher Thomas Hamilton, Peter Lee Johnson, Laura Lee Karr, Timothy Patrick Martin, Paul Allen Neese, Nailah Orr, Francis Eugene Tisdell, Maurice Chee Hoong Yap, Yuanming Zhu