Patents by Inventor Roger Eugene Gast

Roger Eugene Gast 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: 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: 20030114311
    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: Application
    Filed: July 30, 2002
    Publication date: June 19, 2003
    Inventors: Terry William Balko, Ann Marie Buysse, Jeffrey Brian Epp, Stephen Craig Fields, Christian Thomas Lowe, Renee Joan Keese, John Sanders Richburg, James Melvin Ruiz, Monte Ray Weimer, Renard Antonio Green, Roger Eugene Gast, Kristy Bryan