Patents by Inventor John M. Finn

John M. Finn 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).

  • Alkyl esters of 5-heterocyclic-pyridine-2,3-dicarboxylic acids
    Patent number: 5239070
    Abstract: There are provided alkyl esters of 5-heterocyclic-pyridine-2,3-dicarboxylic acids useful as intermediates for the preparation of highly effective 5-heterocyclic-2-(2-imidazolin-2-yl)pyridine herbicidal agents and methods for the preparation thereof.
    Type: Grant
    Filed: June 11, 1991
    Date of Patent: August 24, 1993
    Assignee: American Cyanamid Company
    Inventor: John M. Finn
  • 5-heterocyclic 2-(2-imidazolin-2-yl)pyridines, useful as herbicidal agents and methods for the preparation thereof
    Patent number: 5225564
    Abstract: 5-Heterocyclic 2-(2-imidazolin-2-yl)pyridine compounds which are effective for the control of undesirable plant species are described. Also described are a method for the herbicidal use of said compounds and a method for their preparation.
    Type: Grant
    Filed: May 2, 1991
    Date of Patent: July 6, 1993
    Assignee: American Cyanamid Company
    Inventor: John M. Finn
  • Oxime derivatives of formylpyridyl imidazolinones, the herbicidal use and methods for the preparation thereof
    Patent number: 5215568
    Abstract: This disclosure describes new 5-oximio-2-(2-imidazolin-2-yl) pyridines having the following structure: ##STR1## wherein Y is hydrogen, C.sub.1 -C.sub.4 branched or unbranched alkyl optionally substituted with C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylthiol, halogen, CO.sub.2 R.sub.4, CN, NHCOR.sub.5, OCOR.sub.4, furyl or a phenyl group optionally substituted with one or two halogens, C.sub.1 -C.sub.2 alkyl or nitro, C.sub.1 -C.sub.4 alkenyl optionally substituted with halogen or C.sub.1 -C.sub.4 alkoxy, or C.sub.1 -C.sub.4 alkynyl; and Z is hydrogen or C.sub.1 -C.sub.4 alkyl. The disclosure further describes the unique method of using the compounds as herbicidal agents and the methods for their preparation.
    Type: Grant
    Filed: October 31, 1991
    Date of Patent: June 1, 1993
    Assignee: American Cyanamid Company
    Inventor: John M. Finn
  • 5-heterocyclic 2-(2-imidazolin-2-yl)pyridines, useful as herbicidal agents
    Patent number: 5039333
    Abstract: 5-Heterocyclic 2-(2-imidazolin-2-yl)pyridine compounds which are effective for the control of undesirable plant species are described. Also described are a method for the herbicidal use of said compounds and a method for their preparation.
    Type: Grant
    Filed: December 27, 1989
    Date of Patent: August 13, 1991
    Assignee: American Cyanamid Company
    Inventor: John M. Finn
  • Alkyl esters of 5-heterocyclic-pyridine-2,3-dicarboxylic acids
    Patent number: 5026859
    Abstract: There are provided alkyl esters of 5-heterocyclic-pyridine-2,3-dicarboxylic acids useful as intermediates for the preparation of highly effective 5-heterocyclic-2-(2-imidazolin-2-yl)pyridine herbicidal agents and methods for the preparation thereof.
    Type: Grant
    Filed: December 27, 1989
    Date of Patent: June 25, 1991
    Assignee: American Cyanamid Company
    Inventor: John M. Finn