Patents Assigned to Aventis Agriculture Ltd.
  • Processes for preparing pesticidal intermediates
    Publication number: 20040198985
    Abstract: The present invention relates to processes for the preparation of a compound of the formula 1
    Type: Application
    Filed: November 10, 2003
    Publication date: October 7, 2004
    Applicant: Aventis Agriculture Ltd.
    Inventor: Jean-Erick Ancel
  • Processes for preparing pesticidal intermediates
    Patent number: 6673956
    Abstract: The present invention relates to processes for the preparation of a compound of the formula wherein W is nitrogen or —CR3; R1 is halogen, haloalkyl, haloalkoxy, R4S(O)n— or —SF5; R2 is hydrogen; R3 is halogen; R4 is alkyl or haloalkyl; and n is 0, 1 or 2.
    Type: Grant
    Filed: April 12, 2002
    Date of Patent: January 6, 2004
    Assignee: Aventis Agriculture Ltd.
    Inventor: Jean-Erick Ancel
  • Processes for preparing pesticidal intermediates
    Patent number: 6392081
    Abstract: Processes for the preparation of a compound of the formula wherein W is nitrogen or —CR3; R1 is halogen, haloalkyl, haloalkoxy, R4S(O)n— or —SF5; R2 is hydrogen or halogen; R3 is halogen; R4 is alkyl or haloalkyl; and n is 0, 1 or 2.
    Type: Grant
    Filed: December 22, 2000
    Date of Patent: May 21, 2002
    Assignee: Aventis Agriculture Ltd.
    Inventor: Jean-Erick Ancel