Patents by Inventor Vivian Du

Vivian Du 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).

  • 3-Aryl-3-hydroxy-2-methylenepropionic acid esters as fungicides
    Patent number: 7541472
    Abstract: Compounds of formula I are described: along with compositions thereof, methods of use thereof (particularly as fungicides), and methods of making the same.
    Type: Grant
    Filed: May 24, 2005
    Date of Patent: June 2, 2009
    Assignee: Cropsolution, Inc.
    Inventors: Richard Anderson, Shy-Fuy Lee, Vivian Du, Takeo Hokama, Rafael Oey, Patricia Arakaki
  • Acylated thiosemicarbazides as herbicides
    Patent number: 7312181
    Abstract: The present invention provides compounds of Formula I: wherein Ar1 is aryl or heteroaryl, Ar2 is aryl or heteroaryl, and R is a suitable organic group. Herbicidal composition comprising such active compounds, and methods for controlling undesirable plants by applying such compounds, are also described.
    Type: Grant
    Filed: March 22, 2006
    Date of Patent: December 25, 2007
    Assignee: Cropsolution, Inc.
    Inventors: Shy-Fuh Lee, Vivian Du, Richard Anderson
  • Acylated thiosemicarbazides as herbicides
    Publication number: 20060229206
    Abstract: The present invention provides compounds of Formula I: wherein Ar1 is aryl or heteroaryl, Ar2 is aryl or heteroaryl, and R is a suitable organic group. Herbicidal composition comprising such active compounds, and methods for controlling undesirable plants by applying such compounds, are also described.
    Type: Application
    Filed: March 22, 2006
    Publication date: October 12, 2006
    Inventors: Shy-Fuh Lee, Vivian Du, Richard Anderson
  • 3-Aryl-3-hydroxy-2-methylenepropionic acid esters as fungicides
    Publication number: 20060094739
    Abstract: Compounds of formula I are described: along with compositions thereof, methods of use thereof (particularly as fungicides), and methods of making the same.
    Type: Application
    Filed: May 24, 2005
    Publication date: May 4, 2006
    Inventors: Richard Anderson, Shy-Fuy Lee, Vivian Du, Takeo Hokama, Rafael Oey, Patricia Arakaki