Patents by Inventor Philip M. Harrington

Philip M. Harrington 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).

  • Aryne intermediates and a process for the preparation thereof
    Patent number: 5856576
    Abstract: There are provided aryne intermediates of formula I, useful in the manufacture of herbicidal compounds. ##STR1## Also provided is a method to prepare the formula I intermediates via the palladium catalyzed coupling of an o-halonitrobenzene or o-haloaniline with 3-butyne-1-ol.
    Type: Grant
    Filed: January 29, 1998
    Date of Patent: January 5, 1999
    Assignee: American Cyanamid Company
    Inventors: Philip M. Harrington, Kenneth A. M. Kremer
  • 1-(3-heterocyclylphenyl)-s-triazine-2,4,6-oxo or thiotrione herbicidal agents
    Patent number: 5616706
    Abstract: There is provided a 1-(3-heterocyclylphenyl)-s-triazine-2,4,6-oxo or thiotrione compound having the structural formula I ##STR1## Further provided are a composition and a method comprising that compound for the control of undesirable plant species.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: April 1, 1997
    Assignee: American Cyanamid Company
    Inventors: Alvin D. Crews, Jr., Philip M. Harrington, Gary M. Karp, Mark C. Manfredi, Michael A. Guaciaro
  • 1-(3-heterocyclylphenyl)-s-triazine-2,4,6-oxo or thiortione herbicidal agents
    Patent number: 5612481
    Abstract: There is provided a 1-(3-heterocyclylphenyl)-s-triazine-2,4,6-oxo or thiotrione compound having the structural formula I ##STR1## Further provided are a composition and a method comprising that compound for the control of undesirable plant species.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: March 18, 1997
    Assignee: American Cyanamid Company
    Inventors: Alvin D. Crews, Jr., Philip M. Harrington, Gary M. Karp, Mark C. Manfredi, Michael A. Guaciaro
  • 1-(3-heterocyclylphenyl)-s-triazine-2,4,6-oxo or thiotrione herbicidal agents
    Patent number: 5610120
    Abstract: There is provided a 1-(3-heterocyclylphenyl)-s-triazine-2,4,6-oxo or thiotrione compound having the structural formula I ##STR1## Further provided are a composition and a method comprising that compound for the control of undesirable plant species.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: March 11, 1997
    Assignee: American Cyanamid Company
    Inventors: Alvin D. Crews, Jr., Philip M. Harrington, Gary M. Karp, Mark C. Manfredi, Michael A. Guaciaro
  • 3-(3-aryloxyphenyl)-1 (substituted methyl)-s-triazine-2,4,6-oxo or thiotrione herbicidal agents
    Patent number: 5604180
    Abstract: There is provided a 3-(3-aryloxyphenyl)-1-(substituted methyl)-s-triazine-2,4,6-oxo or thiotrione compound having the structural formula I ##STR1## Further provided are a composition and a method comprising that compound for the control of undesirable plant species.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: February 18, 1997
    Inventors: Alvin D. Crews, Jr., Philip M. Harrington, Gary M. Karp, Simon D. Gill, Petra Dieterich
  • 2-amino-5-fluorophenyl cyclopropyl ketone
    Patent number: 5599996
    Abstract: The present invention provides 1-{[2-(cyclopropylcarbonyl)-4-fluorophenyl]sulfamoyl}-3-(4,6-dimethoxy-2-p yrimidinyl)urea which has the structural formula I ##STR1## Further provided are compositions and methods comprising that compound for the control of undesirable plant species.
    Type: Grant
    Filed: May 4, 1995
    Date of Patent: February 4, 1997
    Assignee: American Cyanamid Company
    Inventors: Michael E. Condon, Philip M. Harrington
  • Process and intermediates for the preparation of (+)-hydantocidin and analogs thereof
    Patent number: 5543510
    Abstract: Hydantocidin is a potent non-selective herbicidal natural product. This invention provides an efficient method for the enantioselective preparation of (+)-hydantocidin, analogs thereof and intermediates therefor.
    Type: Grant
    Filed: June 20, 1994
    Date of Patent: August 6, 1996
    Assignee: American Cyanamid Company
    Inventors: Philip M. Harrington, Michael E. Jung
  • 3-(3-aryloxyphenyl)-1-(substituted methyl)-s-triazine-2,4,6-oxo or thiotrione herbicidal agents
    Patent number: 5519133
    Abstract: There is provided a 3-(3-aryloxyphenyl)-1-(substituted methyl)-s-triazine-2,4,6-oxo or thiotrione compound having the structural formula I ##STR1## Further provided are a composition and a method comprising that compound for the control of undesirable plant species.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: May 21, 1996
    Assignee: American Cyanamid Co.
    Inventors: Alvin D. Crews, Jr., Philip M. Harrington, Gary M. Karp, Simon D. Gill, Petra Dieterich
  • Process for the preparation of fused pyridine compounds
    Patent number: 5473071
    Abstract: Pyrido[2,3-d]pyrimidine compounds are prepared through the reaction of 2,4-diamino-6(1H)-pyrimidone and an activated derivative of a dialdehyde. A typical embodiment utilizes the dinitrile.
    Type: Grant
    Filed: November 6, 1989
    Date of Patent: December 5, 1995
    Assignee: Trustees of Princeton University
    Inventors: Edward C. Taylor, Philip M. Harrington
  • 1-[.alpha.-cyclopropyl-.alpha.-(substituted oxy)-o-tolyl]sulfamoyl]-3-(4,6-dimethoxy-2-pyrimidinyl)urea herbicidal agents
    Patent number: 5464808
    Abstract: There are provided 1-{[.alpha.-cyclopropyl-.alpha.-(substituted oxy)-o-tolyl]sulfamoyl}-3-(4,6-dimethoxy-2-pyrimidinyl)urea compounds of formula I ##STR1## Further provided are compositions and methods comprising those compounds for the control of undesirable plant species.
    Type: Grant
    Filed: December 28, 1993
    Date of Patent: November 7, 1995
    Assignee: American Cyanamid Company
    Inventors: Michael E. Condon, Philip M. Harrington
  • Methods for controlling undesirable plant species with benzodiazepine compounds
    Patent number: 5438035
    Abstract: There are provided methods for controlling undesirable plant species with benzodiazepine compounds of formulas I and II ##STR1## Further provided are herbicidal compositions comprising those compounds.
    Type: Grant
    Filed: June 24, 1994
    Date of Patent: August 1, 1995
    Assignee: American Cyanamid Company
    Inventors: Michael A. Guaciaro, Philip M. Harrington, Gary M. Karp
  • Process for the preparation of (+)-hydantocidin and analogs thereof
    Patent number: 5354868
    Abstract: Hydantocidin is a potent non-selective herbicidal natural product. This invention provides an efficient method for the enantioselective preparation of (+)-hydantocidin, analogs thereof and intermediates therefor.
    Type: Grant
    Filed: October 21, 1993
    Date of Patent: October 11, 1994
    Assignee: American Cyanamid Company
    Inventors: Philip M. Harrington, Michael E. Jung
  • L-glutamic acid derivatives
    Patent number: 4920125
    Abstract: Pyrimidin-5-yl derivatives of L-glutamic acid are anti-neoplastic agents. A typical embodiment is N-(4-[5-(2,6-diamino-4-hydroxypyrimidin-5-yl)-butyl]-thien-2-ylcarboxy)-L- glutamic acid.
    Type: Grant
    Filed: August 29, 1989
    Date of Patent: April 24, 1990
    Assignee: The Trustees of Princeton University
    Inventors: Edward C. Taylor, Philip M. Harrington, Chuan Shih
  • Process for the preparation of fused pyridine compounds
    Patent number: 4895946
    Abstract: Pyrido[2,3-d]pyrimidine compounds are prepared through the reaction of 2,4-diamino-6(1H)-pyrimidone and an activated derivative of a dialdehyde. A typical embodiment utilizes the dinitrile.
    Type: Grant
    Filed: April 25, 1988
    Date of Patent: January 23, 1990
    Assignee: The Trustees of Princeton University
    Inventors: Edward C. Taylor, Philip M. Harrington
  • L-glutamic acid derivatives
    Patent number: 4871743
    Abstract: Pyrimidin-5-yl derivatives of L-glutamic acid are anti-neoplastic agents. A typical embodiment is N-(4-[4-(2,4-diamino-6-hydroxypyrimidin-5-yl)-butyl]-benzoyl)-L-glutamic acid.
    Type: Grant
    Filed: January 19, 1988
    Date of Patent: October 3, 1989
    Assignees: The Trustees of Princeton University, Eli Lilly and Company
    Inventors: Edward C. Taylor, Philip M. Harrington, Chuan Shih