Patents by Inventor Gilles Perrin-Janet

Gilles Perrin-Janet 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).

  • Process for the preparation of a 2-ethylaminopyridine derivative
    Patent number: 7777045
    Abstract: Process for the preparation of a 2-ethylaminopyridine derivative of general formula (I) or a salt thereof Process for the preparation of a N-[2-(2-pyridinyl)ethyl]carboxamide derivative of general formula (II) or a salt thereof Intermediate of general formula (III)
    Type: Grant
    Filed: December 19, 2005
    Date of Patent: August 17, 2010
    Assignee: Bayer Cropscience S.A.
    Inventors: Frédéric Lhermitte, Gilles Perrin-Janet, Paul Dufour, Pierre-Yves Coqueron
  • Process For The Preparation Of A 2-Ethylaminopyridine Derivative
    Publication number: 20080114176
    Abstract: Process for the preparation of a 2-ethylaminopyridine derivative of general formula (I) or a salt thereof Process for the preparation of a N-[2-(2-pyridinyl)ethyl]carboxamide derivative of general formula (II) or a salt thereof Intermediate of general formula (III)
    Type: Application
    Filed: December 19, 2005
    Publication date: May 15, 2008
    Inventors: Frederic Lhermitte, Gilles Perrin-Janet, Paul Dufour, Pierre-Yves Coqueron
  • Process for preparing pesticidal intermediates
    Patent number: 6509503
    Abstract: The invention relates to processes for the preparation of compounds of formula (I) wherein R1 and R2 each independently represent a halogen atom.
    Type: Grant
    Filed: May 3, 2002
    Date of Patent: January 21, 2003
    Assignee: Aventis Cropscience S.A.
    Inventors: Jean-Erick Angel, Gilles Perrin-Janet, Pierre Leroy
  • Processes for preparing pesticidal intermediates
    Patent number: 6410737
    Abstract: Compounds of formula (I) are prepared by hydrogenolysis of a compound of formula (II): where R1 is haloalkyl, haloalkoxy or −SF5; W is N or CR3; and R2 and R3 are H or Cl. The compounds of formula (I) can be used as intermediates in the preparation of pesticidally active arylpyrazole compounds.
    Type: Grant
    Filed: January 4, 2002
    Date of Patent: June 25, 2002
    Assignee: Aventis CropScience, S.A.
    Inventors: Jean-Erick Ancel, Gilles Perrin-Janet, Manuel Vangelisti, Pierre Versproumy