Patents by Inventor Robert F. Doehner, Jr.

Robert F. Doehner, Jr. 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).

  • 2-aryl-5-(trifluoromethyl)-2-pyrroline compounds useful in the manufacture of insecticidal, nematocidal and acaricidal arylpyrroles
    Patent number: 5625082
    Abstract: There is provided a process for preparing intermediates having the structure ##STR1## from the corresponding aldehydes having the structure ##STR2##
    Type: Grant
    Filed: November 3, 1994
    Date of Patent: April 29, 1997
    Assignee: American Home Products Corporation
    Inventors: Robert F. Doehner, Jr., Jerry M. Barton, David G. Kuhn
  • (2-imidazolin-2-yl) fused heteropyridine compounds intermediates for the preparation of and use of said compounds as herbicidal agents
    Patent number: 5622913
    Abstract: There are provided novel (2-imidazolin-2-yl) fused heteropyridine compounds, and intermediate compounds for the preparation thereof, and a method for controlling a wide variety of annual and perennial plant species therewith.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: April 22, 1997
    Assignee: American Cyanamid Company
    Inventors: Barrington Cross, Marinus Los, Robert F. Doehner, Jr., David W. Ladner, Jerry L. Johnson
  • (2-imidazolin-2-yl) fused heteropyridine compounds, intermediates for the preparation of and use of said compounds as herbicidal agents
    Patent number: 5599772
    Abstract: There are provided novel (2-imidazolin-2-yl) fused heteropyridine compounds, and intermediate compounds for the preparation thereof, and a method for controlling a wide variety of annual and perennial plant species therewith.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: February 4, 1997
    Assignee: American Cyanamid Company
    Inventors: Barrington Cross, Marinus Los, Robert F. Doehner, Jr., David W. Ladner, Jerry L. Johnson
  • (2-imidazolin-2-yl) fused heteropyridine compounds and use of said compounds as herbicidal agents
    Patent number: 5599773
    Abstract: There are provided novel (2-imidazolin-2-yl) fused heteropyridine compounds, and intermediate compounds for the preparation thereof, and a method for controlling a wide variety of annual and perennial plant species therewith.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: February 4, 1997
    Assignee: American Cyanamid Company
    Inventors: Barrington Cross, Marinus Los, Robert F. Doehner, Jr., David W. Ladner, Jerry L. Johnson
  • (2-imidazolin-2-yl) fused heteropyridine compounds intermediates for the preparation of and use said compounds as herbicidal agents
    Patent number: 5571773
    Abstract: There are provided novel (2-imidazolin-2-yl) fused heteropyridine compounds, and intermediate compounds for the preparation thereof, and a method for controlling a wide variety of annual and perennial plant species therewith.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: November 5, 1996
    Assignee: American Cyanamid Company
    Inventors: Barrington Cross, Marinus Los, Robert F. Doehner, Jr., David W. Ladner, Jerry L. Johnson
  • (2-imidazolin-2-yl) fused heteropyridine compounds, intermediates for the preparation of and use of said compounds as herbicidal agents
    Patent number: 5565411
    Abstract: There are provided novel (2-imidazolin-2-yl) fused heteropyridine compounds, and intermediate compounds for the preparation thereof, and a method for controlling a wide variety of annual and perennial plant species therewith.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: October 15, 1996
    Assignee: American Cyanamid Co.
    Inventors: Barrington Cross, Marinus Los, Robert F. Doehner, Jr., David W. Ladner, Jerry L. Johnson
  • (2-imidazolin-2-yl) fused heteropyridine compounds, intermediates for the preparation of and use of said compounds as herbicidal agents
    Patent number: 5565412
    Abstract: There are provided novel (2-imidazolin-2-yl) fused heteropyridine compounds, and intermediate compounds for the preparation thereof, and a method for controlling a wide variety of annual and perennial plant species therewith.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: October 15, 1996
    Assignee: American Cyanamid Co.
    Inventors: Barrington Cross, Marinus Los, Robert F. Doehner, Jr., David W. Ladner, Jerry L. Johnson
  • (2-imidazolin-2-yl) fused heteropyridine compounds, intermediates for the preparation of and use of said compounds as herbicidal agents
    Patent number: 5563113
    Abstract: There are provided novel (2-imidazolin-2-yl) fused heteropyridine compounds, and intermediate compounds for the preparation thereof, and a method for controlling a wide variety of annual and perennial plant species therewith.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: October 8, 1996
    Assignee: American Cyanamid Company
    Inventors: Barrington Cross, Marinus Los, Robert F. Doehner, Jr., David W. Ladner, Jerry L. Johnson
  • (2-imidazolin-2-yl) fused heteropyridine compounds, intermediates for the preparation of and use of said compounds as herbicidal agents
    Patent number: 5554579
    Abstract: There are provided novel (2-imidazolin-2-yl) fused heteropyridine compounds, and intermediate compounds for the preparation thereof, and a method for controlling a wide variety of annual and perennial plant species therewith.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: September 10, 1996
    Assignee: American Cyanamid Co.
    Inventors: Barrington Cross, Marinus Los, Robert F. Doehner, Jr., David W. Ladner, Jerry L. Johnson
  • (2-imidazolin-2-yl) fused heteropyridine compounds and use of said compounds as herbicidal agents
    Patent number: 5536702
    Abstract: There are provided novel (2-imidazolin-2-yl) fused heteropyridine compounds, and intermediate compounds for the preparation thereof, and a method for controlling a wide variety of annual and perennial plant species therewith.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: July 16, 1996
    Assignee: American Cyanamid Co.
    Inventors: Barrington Cross, Marinus Los, Robert F. Doehner, Jr., David W. Ladner, Jerry L. Johnson
  • (2-Imidazolin-2-yl) fused heteropyridine compounds
    Patent number: 5536839
    Abstract: There are provided novel (2-imidazolin-2-yl) fused heteropyridine compounds, and intermediate compounds for the preparation thereof, and a method for controlling a wide variety of annual and perennial plant species therewith.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: July 16, 1996
    Assignee: American Cyanamid Company
    Inventors: Barrington Cross, Marinus Los, Robert F. Doehner, Jr., David W. Ladner, Jerry L. Johnson
  • (2-imidazolin-2-yl) fused heteropyridine compounds, intermediates for the preparation of and use of said compounds as herbicidal agents
    Patent number: 5534485
    Abstract: There are provided novel (2-imidazolin-2-yl) fused heteropyridine compounds, and intermediate compounds for the preparation thereof, and a method for controlling a wide variety of annual and perennial plant species therewith.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: July 9, 1996
    Assignee: American Cyanamid Company
    Inventors: Barrington Cross, Marinus Los, Robert F. Doehner, Jr., David W. Ladner, Jerry L. Johnson
  • (2-imidazolin-2-yl) fused heteropyridine compounds intermediates for the preparation of and use of said compounds as herbicidal agents
    Patent number: 5534483
    Abstract: There are provided novel (2-imidazolin-2-yl) fused heteropyridine compounds, and intermediate compounds for the preparation thereof, and a method for controlling a wide variety of annual and perennial plant species therewith.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: July 9, 1996
    Assignee: American Cyanamid Company
    Inventors: Barrington Cross, Marinus Los, Robert F. Doehner, Jr., David W. Ladner, Jerry L. Johnson
  • (2-imidazolin-2-yl)fused heteropyridine compounds intermediates for the preparation of and use of said compounds and herbicidal agents
    Patent number: 5534484
    Abstract: There are provided novel (2-imidazolin-2-yl) fused heteropyridine compounds, and intermediate compounds for the preparation thereof, and a method for controlling a wide variety of annual and perennial plant species therewith.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: July 9, 1996
    Assignee: American Cyanamid Company
    Inventors: Barrington Cross, Marinus Los, Robert F. Doehner, Jr., David W. Ladner, Jerry L. Johnson
  • (2-imidazolin-2-yl) fused heteropyridine compounds, intermediates for the preparation of and use of said compounds as herbicidal agents
    Patent number: 5532207
    Abstract: There are provided novel (2-imidazolin-2-yl) fused heteropyridine compounds, and intermediate compounds for the preparation thereof, and a method for controlling a wide variety of annual and perennial plant species therewith.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: July 2, 1996
    Assignee: American Cyanamid Company
    Inventors: Barrington Cross, Marinus Los, Robert F. Doehner, Jr., David W. Ladner, Jerry L. Johnson
  • Herbicidal 2-(2-imidazolin-2-yl)-benzazoles
    Patent number: 5523279
    Abstract: There are provided o-carboxy-(5-oxo-2-imidazolin-2-yl)benzoheterocyclic compounds wherein the fused heterocyclic ring system is a 5-membered ring containing one, two or three nitrogen atoms, derivatives of said benzoheterocyclic compounds and a method for the use therewith to control monocotyledenous and dicotyledenous plant species.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: June 4, 1996
    Assignee: American Cyanamid Company
    Inventor: Robert F. Doehner, Jr.
  • Herbicidal 2-(2-imidazolin-2-yl)-benzazoles
    Patent number: 5516751
    Abstract: There are provided o-carboxy-(5-oxo-2-imidazolin-2-yl)benzoheterocyclic compounds wherein the fused heterocyclic ring system is a 5-membered ring containing one, two or three nitrogen atoms, derivatives of said benzoheterocyclic compounds and a method for the use therewith to control monocotyledenous and dicotyledenous plant species.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: May 14, 1996
    Assignee: American Cyanamid Company
    Inventor: Robert F. Doehner, Jr.
  • (2-imidazolin-2-yl) fused heteropyridine compounds, intermediates for the preparation of and use of said compounds as herbicidal agents
    Patent number: 5510319
    Abstract: There are provided novel (2-imidazolin-2-yl) fused heteropyridine compounds, and intermediate compounds for the preparation thereof, and a method for controlling a wide variety of annual and perennial plant species therewith.
    Type: Grant
    Filed: September 20, 1993
    Date of Patent: April 23, 1996
    Assignee: American Cyanamid Company
    Inventors: Barrington Cross, Marinus Los, Robert F. Doehner, Jr., David W. Ladner, Jerry L. Johnson
  • Herbicidal imidazopyrrolo-indoles and -benzimidazoles
    Patent number: 5453415
    Abstract: There are provided o-carboxy-(5-oxo-2-imidazolin-2-yl) benzoheterocyclic compounds wherein the fused heterocyclic ring system is a 5-membered ring containing one, two or three nitrogen atoms, derivatives of said benzoheterocyclic compounds and a method for the use therewith to control monocotyledenous and dicotyledenous plant species.
    Type: Grant
    Filed: March 10, 1994
    Date of Patent: September 26, 1995
    Assignee: American Cyanamid Company
    Inventor: Robert F. Doehner, Jr.
  • Benzenesulfonyl carboxamide compounds intermediate compounds and methods of preparation thereof and use of said compounds and intermediate compounds as herbicidal agents
    Patent number: 5391757
    Abstract: There are provided novel benzenesulfonyl carboxamide compounds and novel intermediate benzenesulfonyl-2-imidazolin-5-one compounds, novel intermediates and methods for the preparation of said compounds, and a method for controlling a variety of annual and perennial plant species utilizing novel benzenesulfonyl carboxamide compounds and novel intermediate benzenesulfonyl 2-imidazolin-5-one compounds.
    Type: Grant
    Filed: May 9, 1994
    Date of Patent: February 21, 1995
    Assignee: American Cyanamid Company
    Inventors: Sergio I. Alvarado, Alvin D. Crews, Jr., Peter J. Wepplo, Robert F. Doehner, Jr., Thomas E. Brady, David M. Gange, Desiree L. Little