Patents by Inventor Chiyu Roy Chen

Chiyu Roy Chen 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).

  • Emulsifiable concentrate comprising an insecticidal 1-arylpyrazole
    Patent number: 6090751
    Abstract: A new composition comprising an insecticidal 1-arylpyrazole, an N-alkylpyrrolidinone, a co-solvent and an emulsifier.
    Type: Grant
    Filed: August 2, 1999
    Date of Patent: July 18, 2000
    Assignee: Rhone-Poulenc Agro
    Inventor: Chiyu Roy Chen