Patents by Inventor William Chi-Leung Lo

William Chi-Leung Lo 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).

  • Patent number: 7432227
    Abstract: 4-Aminopicolinic acids having alkyl or alkenyl substituents in the 6-position and their amine and acid derivatives are potent herbicides demonstrating a broad spectrum of weed control.
    Type: Grant
    Filed: April 2, 2004
    Date of Patent: October 7, 2008
    Assignee: Dow AgroSciences LLC
    Inventors: Terry William Balko, Ann Marie Buysse, Stephen Craig Fields, Nicholas Martin Irvine, William Chi-Leung Lo, Christian Thomas Lowe, John Sanders Richburg, Paul Richard Schmitzer
  • Patent number: 6815556
    Abstract: A compound according to formula one that is useful as a fungicide is provided. Additionally, processes to make and use same are provided.
    Type: Grant
    Filed: June 9, 2003
    Date of Patent: November 9, 2004
    Assignee: Dow AgroSciences LLC
    Inventors: Carla Jean Rasmussen Klittich, Jeannie Rachel Cetusic, Marilene Tenguan Iamauti, Irene Mae Morrison, Michael Thomas Sullenberger, William Chi-Leung Lo, Ann Marie Buysse, Brent Jeffrey Rieder, John Todd Mathieson, Monica Britt Olson, Michael John Ricks
  • Publication number: 20040198608
    Abstract: 4-Aminopicolinic acids having alkyl or alkenyl substituents in the 6-position and their amine and acid derivatives are potent herbicides demonstrating a broad spectrum of weed control.
    Type: Application
    Filed: April 2, 2004
    Publication date: October 7, 2004
    Inventors: Terry William Balko, Ann Marie Buysse, Stephen Craig Fields, Nicholas Martin Irvine, William Chi-Leung Lo, Christian Thomas Lowe, John Sanders Richburg, Paul Richard Schmitzer
  • Patent number: 6784137
    Abstract: 4-Aminopicolinic acids having aryl or heteroaryl substituents in the 6-position and their amine and acid derivatives are potent herbicides demonstrating a broad spectrum of weed control.
    Type: Grant
    Filed: July 30, 2002
    Date of Patent: August 31, 2004
    Assignee: Dow AgroSciences LLC
    Inventors: Terry William Balko, Ann Marie Buysse, Jeffrey Brian Epp, Stephen Craig Fields, Christian Thomas Lowe, Renee Joan Keese, John Sanders Richburg, III, James Melvin Ruiz, Monte Ray Weimer, Renard Antonio Green, Roger Eugene Gast, Kristy Bryan, Nicholas Martin Irvine, William Chi-Leung Lo, William Kirkland Brewster, Jeffery Dale Webster
  • Publication number: 20040030189
    Abstract: A compound according to formula one that is useful as a fungicide is provided. Additionally, processes to make and use same are provided.
    Type: Application
    Filed: June 9, 2003
    Publication date: February 12, 2004
    Inventors: Carla Jean Rasmussen Klittich, Jeannie Rachel Cetusic, Marilene Tenguan Iamauti, Irene Mae Morrison, Michael Thomas Sullenberger, William Chi-Leung Lo, Ann Marie Buysse, Brent Jeffrey Rieder, John Todd Mathieson, Monica Britt Olson, Michael John Ricks
  • Publication number: 20010047099
    Abstract: 4-Aminopicolinic acids, having halogen, alkoxy, alkylthio, aryloxy, heteroaryloxy or trifluoromethyl substituents in the 3-, 5- and 6-positions, and their amine and acid derivatives are potent herbicides demonstrating a broad spectrum of weed control.
    Type: Application
    Filed: January 12, 2001
    Publication date: November 29, 2001
    Inventors: Stephen Craig Fields, Anita Lenora Alexander, Terry William Balko, Leslie Anne Bjelk, Ann Marie Buysse, Renee Joan Keese, Karl Leopold Krumel, William Chi-Leung Lo, Christian Thomas Lowe, John Sanders Richburg, James Melvin Ruiz
  • Patent number: 6297197
    Abstract: 4-Aminopicolinic acids, having halogen, alkoxy, alkylthio, aryloxy, heteroaryloxy or trifluoromethyl substituents in the 3-, 5- and 6-positions, and their amine and acid derivatives are potent herbicides demonstrating a broad spectrum of weed control.
    Type: Grant
    Filed: January 12, 2001
    Date of Patent: October 2, 2001
    Assignee: Dow AgroSciences LLC
    Inventors: Stephen Craig Fields, Anita Lenora Alexander, Terry William Balko, Leslie Anne Bjelk, Ann Marie Buysse, Renee Joan Keese, Karl Leopold Krumel, William Chi-Leung Lo, Christian Thomas Lowe, John Sanders Richburg, III, James Melvin Ruiz