Patents by Inventor Rémy Gressly

Rémy Gressly 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).

  • Catalytic process for the preparation of thiazole derivatives
    Patent number: 7230111
    Abstract: A process for the preparation of a compound of formula (I) wherein Q is CH or N; Y is NO2 or CN; Z is CHR3, O, NR3 or S; R1 and R2 are C1-C8 alkyl or together form an alkylene bridge having two or three carbon atoms; by reacting a compound of formula H2C=C(X)CH2NCS wherein X is a leaving group, with a chlorinating agent in the presence of a catalytic amount of SO2. to form a compound of formula (III) and the compound of formula (III) is reacted with a compound of formula R1NHC(=QY)ZR2 wherein R1, R2, Y, Z and Q are as defined for compound (I).
    Type: Grant
    Filed: August 21, 2001
    Date of Patent: June 12, 2007
    Assignee: Syngenta Crop Protection, Inc.
    Inventors: Olivier Desponds, Dominik Faber, Rémy Gressly, Thomas Rapold, Marco Passafaro