Patents by Inventor Dang Long Nguyen

Dang Long Nguyen 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).

  • Fungicidal pyrazoles
    Patent number: 5977156
    Abstract: Method for protecting plants against fungal or bacterial attack, which comprises applying a 1-phenyl-pyrazole or 1-(2-pyridyl)pyrazole.
    Type: Grant
    Filed: March 4, 1997
    Date of Patent: November 2, 1999
    Assignee: Rhone-Poulenc Agrochimie
    Inventors: Patrice Duvert, Dang Long Nguyen
  • Aphicidal pyrazoles
    Patent number: 5958963
    Abstract: Method for the protection of citrus crops against attacks by greenfly of the Toxoptera type, which comprises treating the crops or the medium in which they grow with a 1-phenylpyrazole or 1-(2-pyridyl)pyrazole compound.
    Type: Grant
    Filed: March 4, 1997
    Date of Patent: September 28, 1999
    Assignee: Rhone-Poulenc Agrochimie
    Inventors: Dang Long Nguyen, Robin Keith Jones