Patents by Inventor Alain Gadras

Alain Gadras 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).

  • Patent number: 6696613
    Abstract: A process for preparing compounds of the formula: wherein R2 is lower alkyl; or phenyl optionally substituted by from one to five groups, the same or different, which are lower alkyl, lower haloalkyl, halogen or —SR4; R3 is halogen, lower alkyl, lower haloalkyl, lower alkoxy, lower haloalkoxy, —S-alkyl, cycloalkyl having from 3 to 7 carbon atoms in the ring, alkenyl or alkynyl having from 3 to 7 carbon atoms, or —(CR5R6)—SR2 wherein q is one or two; R4 is lower alkyl; R5 and R6 independently represent hydrogen, lower alkyl or lower haloalkyl; and n is zero or an integer from one to three; intermediate compounds of the formula: and processes for preparing them.
    Type: Grant
    Filed: December 31, 2002
    Date of Patent: February 24, 2004
    Assignee: Rhone Poulenc Agrochimie
    Inventors: Virginie Pevere, Alain Gadras, Susan Mary Cramp, Charles Walter Ellwood
  • Patent number: 6570021
    Abstract: Novel 2-thiothiazolidin-5-one compounds useful as intermediates for fungicidal 2-imidazolin-5-ones are disclosed.
    Type: Grant
    Filed: September 5, 2001
    Date of Patent: May 27, 2003
    Assignee: Rhone-Poulenc Agro
    Inventors: Albert Buforn, Alain Gadras
  • Publication number: 20030097022
    Abstract: A process for preparing compounds of the formula: 1
    Type: Application
    Filed: December 31, 2002
    Publication date: May 22, 2003
    Inventors: Virginie Pevere, Alain Gadras, Susan Mary Cramp, Charles Walter Ellwood
  • Patent number: 6525225
    Abstract: A process for preparing compounds of the formula: wherein R2 is lower alkyl; or phenyl optionally substituted by from one to five groups, the same or different, which are lower alkyl, lower haloalkyl, halogen or —SR4; R3 is halogen, lower alkyl, lower haloalkyl, lower alkoxy, lower haloalkoxy, —S-alkyl, cycloalkyl having from 3 to 7 carbon atoms in the ring, alkenyl or alkynyl having from 3 to 7 carbon atoms, or —(CR5R6)—SR2 wherein q is one or two; R4 is lower alkyl; R5 and R6 independently represent hydrogen, lower alkyl or lower haloalkyl; and n is zero or an integer from one to three; intermediate compounds of the formula: and processes for preparing them.
    Type: Grant
    Filed: November 23, 2001
    Date of Patent: February 25, 2003
    Assignee: Rhone Poulenc Agrochimie
    Inventors: Virginie Pevere, Alain Gadras, Susan Mary Cramp, Charles Walter Ellwood
  • Publication number: 20020062045
    Abstract: A process for preparing compounds of the formula: 1
    Type: Application
    Filed: November 23, 2001
    Publication date: May 23, 2002
    Inventors: Virginie Pevere, Alain Gadras, Susan Mary Cramp, Charles Walter Ellwood
  • Publication number: 20020038034
    Abstract: Novel 2-thiothiazolidin-5-one compounds useful as intermediates for fungicidal 2-imidazolin-5-ones are disclosed.
    Type: Application
    Filed: September 5, 2001
    Publication date: March 28, 2002
    Inventors: Albert Buforn, Alain Gadras
  • Patent number: 6344564
    Abstract: Fungicidal 2-imidazolin-5-ones and 2-imidazoline-5-thiones, processes for their preparation, fungicidal compositions containing them, and methods of using them to treat or prevent fungal disease in crops.
    Type: Grant
    Filed: October 14, 1999
    Date of Patent: February 5, 2002
    Assignee: Rhone-Poulenc, Inc.
    Inventors: Guy Lacroix, Raymond Peignier, Regis Pepin, Jean-Philippe Bascou, Gilbert Emeric, Joseph Perez, Fabrice Pinard, Christian Schmitz, Alain Gadras
  • Patent number: 6320057
    Abstract: Novel 2-thio-thiazolidine-5-one compounds useful as intermediates for fungicidal 2-imidazoline-5-ones are disclosed.
    Type: Grant
    Filed: May 6, 1999
    Date of Patent: November 20, 2001
    Assignee: Rhone Poulenc Agro
    Inventors: Albert Buforn, Alain Gadras
  • Publication number: 20010014761
    Abstract: A process for preparing compounds of the formula: 1
    Type: Application
    Filed: March 20, 2001
    Publication date: August 16, 2001
    Inventors: Virginie Pevere, Alain Gadras, Susan Mary Cramp, Charles Walter Ellwood
  • Patent number: 6235942
    Abstract: A process for preparing compounds of the formula: wherein R2 is lower alkyl; or phenyl optionally substituted by from one to five groups, the same or different, which are lower alkyl, lower haloalkyl, halogen or —SR4; R3 is halogen, lower alkyl, lower haloalkyl, lower alkoxy, lower haloalkoxy, —S-alkyl, cycloalkyl having from 3 to 7 carbon atoms in the ring, alkenyl or alkynyl having from 3 to 7 carbon atoms, or -(CR5R6)—SR2 wherein q is one or two; R4 is lower alkyl; R5 and R6 independently represent hydrogen, lower alkyl or lower haloalkyl; and n is zero or an integer from one to three; intermediate compounds of the formula: and processes for preparing them.
    Type: Grant
    Filed: October 28, 1998
    Date of Patent: May 22, 2001
    Assignee: Rhone-Poulenc Agrochimie
    Inventors: Virginie Pevere, Alain Gadras, Susan Mary Cramp, Charles Walter Ellwood
  • Patent number: 6018052
    Abstract: Fungicidal 2-imidazolin-5-ones and 2-imidazoline-5-thiones, processes for their preparation, fungicidal compositions containing them and methods of using them to treat or prevent fungal disease in crops.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: January 25, 2000
    Assignee: Rhone-Poulenc Agrochimie
    Inventors: Guy Lacroix, Jean-Phillippe Bascou, Joseph Perez, Alain Gadras
  • Patent number: 5650519
    Abstract: Fungicidal 2-imidazolin-5-ones and 2-imidazoline-5-thiones, processes for their preparation, fungicidal compositions containing them and methods of using them to treat or prevent fungal disease in crops.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: July 22, 1997
    Assignee: Rhone-Poulenc Agrochimie
    Inventors: Guy Lacroix, Jean-Philippe Bascou, Joseph Perez, Alain Gadras
  • Patent number: 5180827
    Abstract: The invention relates to the 2-(3-pyridyl)-propanenitrile intermediates of formula (V): ##STR1## in which: R denotesa lower alkyl radical, optionally substituted with one or more substituents chosen from halogen, and preferably chlorine, fluorine or bromine, atoms, a lower alkoxy radical and a radical --(CH.sub.2).sub.x Si R.sub.1 R.sub.2 R.sub.3, x=0 or 1 and R.sub.1, R.sub.2 and R.sub.3, which may be identical or different, being lower alkyl, lower alkoxy, aryl (in particular phenyl) or aralkyl (in particular benzyl);an alkenyl, and preferably allyl, radical, optionally substituted as when R denotes alkyl or with a C.sub.1 to C.sub.3 alkyl group;Hal denotes a halogen atom;Z denotes a lower alkyl or lower alkoxy radical; andm denotes 0, 1 or 2, the groups Z being identical or different when m is 2.
    Type: Grant
    Filed: December 31, 1990
    Date of Patent: January 19, 1993
    Assignee: Rhone-Poulenc Agrochimie
    Inventors: Alain Gadras, Regis Pepin
  • Patent number: 5096484
    Abstract: Herbicides of the formula (I):L--SO.sub.2 --NH--CO--NR.sub.6 --Ain which:L denotes one of the groups of the formulae L-1 to L-6 given below,A denotes the group of the formula (II) given below, ##STR1## R.sub.1, R.sub.2 and R.sub.3 can be indentical or different and represent a C.sub.1 -C.sub.4 alkyl radical or a C.sub.7 -C.sub.11 aralkyl radical, especially benzyl;R.sub.7, R.sub.8 and R.sub.9 can be identical or different and represent a hydrogen or halogen atom, a C.sub.1 -C.sub.4 alkyl radical which is optionally substituted by one or more halogen atoms or C.sub.1 -C.sub.4 alkoxy or C.sub.1 -C.sub.4 alkylthio radicals, C.sub.3 -C.sub.6 cycloalkyl which is optionally substituted by one or more halogen atoms or C.sub.1 -C.sub.4 alkoxy or C.sub.1 -C.sub.4 alkylthio radicals, C.sub.1 -C.sub.4 alkoxy or C.sub.1 -C.sub.4 alkylthio which are optionally substituted by one or more halogen atoms or C.sub.1 -C.sub.4 alkoxy or C.sub.1 -C.sub.4 alkylthio radicals, R.sub.
    Type: Grant
    Filed: June 22, 1990
    Date of Patent: March 17, 1992
    Assignee: Rhone-Poulenc Agrochimie
    Inventors: Guy Borrod, Alain Gadras
  • Patent number: 4999357
    Abstract: The invention relates to the fungicidal compositions of formula (II): ##STR1## in which: R denotesa lower alkyl radical, optionally substituted with one or more substituents chosen from halogen, and preferably chlorine, fluorine or bromine, atoms, a lower alkoxy radical and a radical --(CH.sub.2).sub.x Si R.sub.1 R.sub.2 R.sub.3, x=0 or 1 and R.sub.1, R.sub.2 and R.sub.3, which may be identical or different, being lower alkyl, lower alkoxy, aryl (in particular phenyl) or aralkyl (in particular benzyl);an alkenyl, and preferably allyl, radical, optionally substituted as when R denotes alkyl or with a C.sub.1 to C.sub.3 alkyl group;=lower haloalkoxy, preferably containing 1 to 3 carbon atoms, advantageously trifluoromethoxy, lower haloalkyl, preferably containing 1 to 3 carbon atoms, advantageously trifluoromethyl, or halogen (preferably chlorine or bromine);n=1, 2 or 3, it being possible for Y to be identical or different when n=2 or 3.
    Type: Grant
    Filed: March 20, 1989
    Date of Patent: March 12, 1991
    Assignee: Rhone-Poulenc Agrochimie
    Inventors: Alain Gadras, Regis Pepin
  • Patent number: 4960454
    Abstract: Herbicides of the formula (I):L--SO.sub.2 --NH--CO--NR.sub.6 --Ain which:L denotes one of the groups of the formulae L-1 to L-6 given below,A denotes the group of the formula (II) given below, ##STR1## R.sub.1, R.sub.2 and R.sub.3 can be identical or different and represent a C.sub.1 -C.sub.4 alkyl radical or a C.sub.7 -C.sub.11 aralkyl radical, especially benzyl;R.sub.7, R.sub.8 and R.sub.9 can be identical or different and represent a hydrogen or halogen atom, a C.sub.1 -C.sub.4 radical which is optionally substituted by one or more halogen atoms or C.sub.1 -C.sub.4 alkoxy or C.sub.1 -C.sub.4 alkylthio radicals, C.sub.3 -C.sub.6 cycloalkyl which is optionally substituted by one or more halogen atoms or C.sub.1 -C.sub.4 alkoxy or C.sub.1 -C.sub.4 alkylthio radicals, C.sub.1 -C.sub.4 alkoxy or C.sub.1 -C.sub.4 alkylthio which are optionally substituted by one or more halogen atoms or C.sub.1 -C.sub.4 alkoxy or C.sub.1 -C.sub.4 alkylthio radicals, R.sub.13 S(O).sub.
    Type: Grant
    Filed: June 15, 1988
    Date of Patent: October 2, 1990
    Assignee: Rhone-Poulenc Agrochimie
    Inventors: Guy Borrod, Alain Gadras