Patents by Inventor John E. Franz

John E. Franz 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).

  • N-Phosphonomethylglycine phytotoxicant compositions
    Patent number: 4840659
    Abstract: N-phosphonomethylglycine and novel derivatives thereof useful as phytotoxicants or herbicides.
    Type: Grant
    Filed: March 16, 1988
    Date of Patent: June 20, 1989
    Assignee: Monsanto Company
    Inventor: John E. Franz
  • Gametocides
    Patent number: 4735649
    Abstract: Novel hydroxyalkylesters of N-phosphonomethylglycine have been identified which prove to be effective gametocides.
    Type: Grant
    Filed: September 25, 1985
    Date of Patent: April 5, 1988
    Assignee: Monsanto Company
    Inventors: Om P. Dhingra, John E. Franz, Geoffrey Keyes, Dale F. Loussaert, Cynthia S. Mamer
  • Thioester of n-phosphonomethylglycine
    Patent number: 4659860
    Abstract: N-phosphonomethylglycine and novel derivative thereof useful as phytotoxicants or herbicides.
    Type: Grant
    Filed: April 13, 1984
    Date of Patent: April 21, 1987
    Assignee: Monsanto Company
    Inventor: John E. Franz
  • Hydrazido derivatives of N-phosphinothioylmethylglycine esters
    Patent number: 4652297
    Abstract: This invention relates to a new class of organic chemical compounds. More particularly, this invention is concerned with amido and hydrazido derivatives of N-phosphinothioylmethylglycine esters. This class of compounds has been found to be useful as herbicides.
    Type: Grant
    Filed: February 25, 1982
    Date of Patent: March 24, 1987
    Assignee: Monsanto Company
    Inventors: John E. Franz, Robert J. Kaufman
  • Herbicidal glyphosate oxime derivatives
    Patent number: 4634788
    Abstract: Novel herbicidal oxime derivatives of aryl glyphosate esters are described and claimed along with a process for producing such oxime derivatives.
    Type: Grant
    Filed: June 6, 1985
    Date of Patent: January 6, 1987
    Assignee: Monsanto Company
    Inventors: Om P. Dhingra, John E. Franz, Harrison R. Hakes
  • Bis-(alkoxy)tetrathiotricarboxylates and use as herbicides thereof
    Patent number: 4556415
    Abstract: Bis-(alkoxy)tetrathiotricarboxylates are disclosed as well as herbicidal compositions containing such compounds and the use of such compounds as post-emergence herbicides.
    Type: Grant
    Filed: April 15, 1985
    Date of Patent: December 3, 1985
    Assignee: Monsanto Company
    Inventors: John E. Franz, Kurt E. Zwikelmaier
  • N(Aminophosphinylmethyl) glycine derivatives
    Patent number: 4545804
    Abstract: Novel N(aminophosphinylmethyl)glycine derivatives are described that show significant herbicidal activity.
    Type: Grant
    Filed: November 21, 1983
    Date of Patent: October 8, 1985
    Assignee: Monsanto Company
    Inventors: John E. Franz, Robert J. Kaufman
  • N-Phosphonomethylglycine derivatives and use as herbicides
    Patent number: 4505736
    Abstract: N-alkoxythione derivatives of N-phosphonomethylglycine are novel compounds with utility as herbicides and in plant growth regulating applications.
    Type: Grant
    Filed: May 11, 1983
    Date of Patent: March 19, 1985
    Assignee: Monsanto Company
    Inventor: John E. Franz
  • Amide derivatives of N-trifluoroacetyl-N-phosphonomethylglycine, herbicidal compositions and use
    Patent number: 4496389
    Abstract: This disclosure relates to alkyl N-trifluoroacetyl-N-phosphonomethylglycine amide and hydrazide derivatives, to herbicidal compositions containing same and to the herbicidal use thereof. These amide and hydrazide derivatives are useful as pre-emergent and/or post-emergent herbicides.
    Type: Grant
    Filed: May 11, 1984
    Date of Patent: January 29, 1985
    Assignee: Monsanto Company
    Inventors: John E. Franz, Robert J. Kaufman
  • Esters of N-phosphonomethylglycine
    Patent number: 4495363
    Abstract: N-phosphonomethylglycine and novel derivatives thereof useful as phytotoxicants or herbicides.
    Type: Grant
    Filed: March 24, 1982
    Date of Patent: January 22, 1985
    Assignee: Monsanto Co.
    Inventor: John E. Franz
  • Novel silyl esters of N-phosphonomethylglycine
    Patent number: 4471131
    Abstract: This disclosure relates to novel silyl esters of N-phosphonomethylglycine useful as post-emergence herbicides.
    Type: Grant
    Filed: September 27, 1983
    Date of Patent: September 11, 1984
    Assignee: Monsanto Company
    Inventor: John E. Franz
  • N-Organo-phosphonomethylglycine-N-oxides and the use thereof to increase the sucrose content of sugarcane
    Patent number: 4435204
    Abstract: This disclosure relates to N-organo-N-phosphonomethylglycine-N-oxides and derivatives thereof. These compounds are useful to increase the sucrose content of sugarcane.
    Type: Grant
    Filed: March 24, 1980
    Date of Patent: March 6, 1984
    Assignee: Monsanto Company
    Inventor: John E. Franz
  • Amido and hydrazido derivatives of N-trifluoroacetyl-N-phosphinothioylmethylglycine esters
    Patent number: 4421549
    Abstract: This invention relates to a new class of organic chemical compounds. More particularly, this invention is concerned with amido and hydrazido derivatives of N-trifluoroacetyl-N-phosphinothioylmethylglycine. This class of compounds has been found to be useful as intermediates in producing amido and hydrazido derivatives of N-phosphinothioylmethylglycine esters which show herbicidal activity. Some of the class of compounds of this invention also show herbicidal activity when applied to certain varieties of weeds or undesired plants.
    Type: Grant
    Filed: December 26, 1979
    Date of Patent: December 20, 1983
    Assignee: Monsanto Company
    Inventors: John E. Franz, Robert J. Kaufman
  • Salts of N-phosphonomethylglycine
    Patent number: 4405531
    Abstract: N-phosphonomethylglycine and novel derivatives thereof useful as phytotoxicants or herbicides.
    Type: Grant
    Filed: March 8, 1982
    Date of Patent: September 20, 1983
    Assignee: Monsanto Company
    Inventor: John E. Franz
  • Amide and hydrazide derivatives of N-trifluoroacetyl-N-phosphonomethylglycine as herbicides
    Patent number: 4359332
    Abstract: This disclosure relates to alkyl N-trifluoroacetyl-N-phosphonomethylglycine amide and hydrazide derivatives, to herbicidal compositions containing same and to the herbicidal use thereof. These amide and hydrazide derivatives are useful as pre-emergent and/or post-emergent herbicides.
    Type: Grant
    Filed: July 10, 1978
    Date of Patent: November 16, 1982
    Assignee: Monsanto Company
    Inventors: John E. Franz, Robert J. Kaufman
  • Amide and hydrazide derivatives of N-trifluoroacetyl-N-phosphonomethylglycine
    Patent number: 4353731
    Abstract: This disclosure relates to alkyl N-trifluoroacetyl-N-phosphonomethylglycine amide and hydrazide derivatives, to herbicidal compositions containing same and to the herbicidal use thereof. These amide and hydrazide derivatives are useful as pre-emergent and/or post-emergent herbicides.
    Type: Grant
    Filed: April 2, 1981
    Date of Patent: October 12, 1982
    Assignee: Monsanto Company
    Inventors: John E. Franz, Robert J. Kaufman
  • Use of 3-aryl-4-isoxazolecarboxylic acid derivatives as herbicides
    Patent number: 4261728
    Abstract: Carboxylic acid derivatives having the formula ##STR1## have been found to be effective herbicides. They are especially effective when applied as a pre-emergent herbicide.
    Type: Grant
    Filed: May 29, 1979
    Date of Patent: April 14, 1981
    Assignee: Monsanto Company
    Inventors: John E. Franz, Robert K. Howe
  • Process for the preparation of 1-alkyl-3-aryl-4-pyrazolecarboxylates
    Patent number: 4245106
    Abstract: This invention relates to a process for preparing pyrazole carboxylates having the formula ##STR1##
    Type: Grant
    Filed: July 5, 1979
    Date of Patent: January 13, 1981
    Assignee: Monsanto Company
    Inventors: Lawrence H. Brannigan, John E. Franz, Robert K. Howe
  • 5-Aryl-4-isoxazolecarboxylate-safening agents
    Patent number: 4243406
    Abstract: The invention relates to the safening of crop plants to the use of herbicides using a 5-aryl-4-isoxazolecarboxylate or composition containing such compounds to reduce the herbicidal injury to treated crop plants. The invention is also concerned with novel compositions which comprise an acetanilide herbicide and a 5-aryl-4-isoxazolecarboxylate.
    Type: Grant
    Filed: December 26, 1978
    Date of Patent: January 6, 1981
    Assignee: Monsanto Company
    Inventors: Lawrence H. Brannigan, John E. Franz, David E. Schafer
  • N-Carbobenzoxy-N-phosphonomethylglycine thioesters
    Patent number: 4231782
    Abstract: This disclosure relates to N-phosphonomethylglycine derivatives wherein a benzoxycarbonyl group is attached to the nitrogen and alkoxy, alkenylthio, alkylthio, phenylalkylthio, phenylthio or substituted phenylthio groups are attached to the phosphorus atom and alkyl, chloroalkyl, alkoxyalkyl or alkoxyalkoxyalkyl groups are attached to the carboxyl group of the molecule. These compounds are useful as herbicides.
    Type: Grant
    Filed: November 3, 1978
    Date of Patent: November 4, 1980
    Assignee: Monsanto Company
    Inventors: John E. Franz, Robert J. Kaufman