Patents by Inventor Pierre A. Marc

Pierre A. Marc 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).

  • 4-phenoxycoumarins as herbicidal agents
    Patent number: 5808105
    Abstract: There are provided methods to control mono-cotyledenous weed species in the presence of crops and particularly in the presence of cereal crops. Also provided are 4-(2,6-disubstituted-phenoxy)coumarin derivatives useful as herbicidal agents and methods to prepare same.
    Type: Grant
    Filed: March 21, 1997
    Date of Patent: September 15, 1998
    Assignee: American Cyanamid Company
    Inventors: Sergio I. Alvarado, Pierre A. Marc, Brian J Dahlke, Eileen Reilly-Horch
  • 4-phenoxycoumarins as herbicidal agents
    Patent number: 5759959
    Abstract: There are provided methods to control monocotyledenous weed species in the presence of crops and particularly in the presence of cereal crops. Also provided are 4-(2,6-disubstituted-phenoxy)coumarin derivatives useful as herbicidal agents and methods to prepare same.
    Type: Grant
    Filed: March 21, 1997
    Date of Patent: June 2, 1998
    Assignee: American Cyanamid Company
    Inventors: Sergio I. Alvarado, Pierre A. Marc, Brian J. Dahlke, Eileen Reilly-Horch
  • 4-phenoxycoumarins as herbicidal agents
    Patent number: 5681968
    Abstract: There are provided methods to control mono-cotyledenous weed species in the presence of crops and particularly in the presence of cereal crops. Also provided are 4-(2,6-disubstituted-phenoxy)coumarin derivatives useful as herbicidal agents and methods to prepare same.
    Type: Grant
    Filed: October 10, 1995
    Date of Patent: October 28, 1997
    Assignee: American Cyanamid Company
    Inventors: Sergio I. Alvarado, Pierre A. Marc, Brian J. Dahlke, Eileen Reilly-Horch
  • 4-Phenoxycoumarins as herbicidal agents
    Patent number: 5563280
    Abstract: There are provided methods to control monocotyledenous weed species in the presence of crops and particularly in the presence of cereal crops. Also provided are 4-(2,6-disubstituted-phenoxy)coumarin derivatives useful as herbicidal agents and methods to prepare same.
    Type: Grant
    Filed: July 25, 1994
    Date of Patent: October 8, 1996
    Assignee: American Cyanamid Co.
    Inventors: Sergio I. Alvarado, Pierre A. Marc, Brian J. Dahlke, Eileen M. Reilly
  • 0-Aminophenyl cyclopropyl ketone intermediate
    Patent number: 5107023
    Abstract: This invention relates to a crop-selective, herbicidal agent 1-{[o-(cyclopropylcarbonyl)phenyl]sulfamoyl{-3-(4,6-dimethoxy-2-pyrimidiny l)urea, a method for the preparation thereof and a method for selectively controlling undesirable plant species in the presence of crops with the crop-selective sulfamoyl urea derivative.
    Type: Grant
    Filed: January 14, 1991
    Date of Patent: April 21, 1992
    Assignee: American Cyanamid Company
    Inventors: Thomas E. Brady, Michael E. Condon, Pierre A. Marc
  • 1-{[O-(cycl opropylcarbonyl)phenyl]sulfamoyl}-3-(4,6-dimethoxy-2-pyrimidinyl)urea herbicidal composition and use
    Patent number: 5009699
    Abstract: This invention relates to a crop-selective, herbicidal agent 1-{[o-(cyclopropylcarbonyl)phenyl]sulfamoyl}-3-(4,6-dimethoxy-2-pyrimidiny l)urea, a method for the preparation thereof and a method for selectively controlling undesirable plant species in the presence of crops with the crop-selective sulfamoyl urea derivative.
    Type: Grant
    Filed: June 22, 1990
    Date of Patent: April 23, 1991
    Assignee: American Cyanamid Company
    Inventors: Thomas E. Brady, Michael E. Condon, Pierre A. Marc
  • 4-cyano-4-(fluorophenyl)-3-(substituted phenyl) butyric acids, esters and derivatives thereof, and a method of selectively controlling undesirable vegetation in rice therewith
    Patent number: 4898609
    Abstract: The invention relates to selective herbicidal 4-cyano-4-(fluorophenyl)-3-(substituted-phenyl)butyric acids, esters and derivatives thereof, and a method of selectively controlling undesirable vegetation in rice therewith.
    Type: Grant
    Filed: October 9, 1987
    Date of Patent: February 6, 1990
    Assignee: American Cyanamid Company
    Inventors: Stephen S. Szucs, Laura S. Quakenbush, Pierre A. Marc