Patents by Inventor Michel Euvrard

Michel Euvrard 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).

  • Dihalogenated herbicidal sulphones
    Patent number: 5123953
    Abstract: Compounds of formula: ##STR1## in which: n=0, 1, 2f=0, 1Ar is an optionally substituted phenyl or pyridyl groupU a chlorine or bromine atomV a bromine or chlorine or iodine atomB is C.sub.1 -C.sub.10 alkyl, C.sub.3 -C.sub.10 cycloalkyl, which are optionally substituted by 1 to 6 halogen atoms, phenyl or pyridyl or oxidized pyridyl, which are optionally substituted.Use of these compounds as herbicides which are selective but especially antigraminaceous at preemergence.
    Type: Grant
    Filed: April 10, 1990
    Date of Patent: June 23, 1992
    Assignee: Rhone-Poulenc Agrochimie
    Inventors: Philipe Desbordes, Michel Euvrard, Francois De Reinach Hirtzbach, Christopher Pearson
  • Herbicidal compounds and compositions containing them
    Patent number: 5100460
    Abstract: Herbicides of formula: ##STR1## in which: n=0,1, 2f=0,1A is chosen from the groups ##STR2## in which: Ar is chosen from the groups ##STR3## B is chosen from optionally substituted C.sub.1 -C.sub.10 alkyl and C.sub.3 -C.sub.
    Type: Grant
    Filed: July 13, 1989
    Date of Patent: March 31, 1992
    Assignee: Rhone-Poulenc Agrochimie
    Inventors: Philippe Desbordes, Michel Euvrard