Patents Represented by Attorney Donald W. Peterson

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  • Herbicidal .alpha.-hydroxy phosphonates
    Patent number: 4475943
    Abstract: This invention relates to .alpha.-hydroxy phosphonates which are useful as herbicides. More particularly, this invention relates to .alpha.-hydroxy phosphonates a process for preparing the same, herbicidal use thereof, and to herbicidal methods and compositions employing the same.
    Type: Grant
    Filed: September 1, 1983
    Date of Patent: October 9, 1984
    Assignee: Monsanto Company
    Inventor: Van R. Gaertner
  • 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
  • N-Amides of 2-benzothiazolinone
    Patent number: 4398940
    Abstract: N-amides of 2-benzothiazolinone have been found to be effective in regulating the growth of leguminous plants.
    Type: Grant
    Filed: October 15, 1981
    Date of Patent: August 16, 1983
    Assignee: Monsanto Company
    Inventor: John J. D'Amico
  • Isophosphinolinone derivatives
    Patent number: 4397790
    Abstract: This invention relates to a new class of organic chemical compounds. More particularly this invention is concerned with derivatives of isophosphinolinone. Compounds of this invention may be employed as active ingredients in herbicides and/or as intermediates in the preparation of other isophosphinolinone derivatives useful to reduce herbicidal injury to treated crop plants.
    Type: Grant
    Filed: December 3, 1980
    Date of Patent: August 9, 1983
    Assignee: Monsanto Company
    Inventor: John A. Houbion
  • Alkyl N-arylsulfenyl-N-diaryloxy-phosphinylmethylglycinates
    Patent number: 4395374
    Abstract: This disclosure relates to arylsulfenyl derivatives of benzyl and aryl esters of N-phosphonomethylglycines. This disclosure further relates to herbicidal compositions containing arylsulfenyl derivatives of benzyl and aryl esters of N-phosphonomethylglycines, to the use thereof, and to herbicidal methods employing such compounds and compositions.
    Type: Grant
    Filed: January 2, 1981
    Date of Patent: July 26, 1983
    Assignee: Monsanto Company
    Inventors: Gerard A. Dutra, James A. Sikorski
  • Mono and diesters of N-phosphonomethylglycinates as herbicides
    Patent number: 4395275
    Abstract: Alkylphosphonate mono and diesters of N-phosphonomethylglycine are disclosed which are useful as herbicides. This invention further relates to herbicidal compositions containing such alkylphosphonate mono and diesters of N-phosphonomethylglycine and to herbicidal methods employing such compounds and compositions.
    Type: Grant
    Filed: June 19, 1981
    Date of Patent: July 26, 1983
    Assignee: Monsanto Company
    Inventor: William R. Purdum
  • Diesters of N-alkyl substituted amino methyl phosphonic acid useful as herbicides
    Patent number: 4391625
    Abstract: Diesters of N-alkyl substituted amino methyl phosphonic acid are disclosed which are useful as herbicides. This invention further relates to herbicidal compositions containing such diesters and to herbicidal methods employing such compounds and compositions.
    Type: Grant
    Filed: June 19, 1981
    Date of Patent: July 5, 1983
    Assignee: Monsanto Company
    Inventor: William R. Purdum
  • Alkylphosphonate monoesters of N-phosphonomethylglycinate as herbicides
    Patent number: 4388103
    Abstract: Alkylphosphonate monoesters of N-phosphonomethylglycine are disclosed which are useful as herbicides. This invention further relates to herbicidal compositions containing such alkylphosphonate monoesters of N-phosphonomethylglycine and to herbicidal methods employing such compounds and compositions.
    Type: Grant
    Filed: June 19, 1981
    Date of Patent: June 14, 1983
    Assignee: Monsanto Company
    Inventor: William R. Purdum
  • Alkylphosphonate diesters of N-phosphonomethylglycinate as herbicides
    Patent number: 4388102
    Abstract: Alkylphosphonate diesters of N-phosphonomethylglycine are disclosed which are useful as herbicides. This invention further relates to herbicidal compositions containing such alkylphosphonate diesters of N-phosphonomethylglycine and to herbicidal methods employing such compounds and compositions.
    Type: Grant
    Filed: June 19, 1981
    Date of Patent: June 14, 1983
    Assignee: Monsanto Company
    Inventor: William R. Purdum
  • Cyanoalkylphosphonate diesters of N-phosphonomethylglycinonitrile as herbicides
    Patent number: 4385921
    Abstract: Alkylphosphonate diesters of N-phosphonomethylglycinonitrile are disclosed which are useful as herbicides. This invention further relates to herbicidal compositions containing such alkylphosphonate diesters of N-phosphonomethylglycinonitrile and to herbicidal methods employing such compounds and compositions.
    Type: Grant
    Filed: June 19, 1981
    Date of Patent: May 31, 1983
    Assignee: Monsanto Company
    Inventor: William R. Purdum
  • 5-Aryl-4-isothiazolecarboxylic acids and derivatives
    Patent number: 4380465
    Abstract: 5-Aryl-4-isothiazolecarboxylic acids have been found to reduce herbicidal injury of rice plants due to the application of 2-chloro-2',6'-diethyl-N-(butoxymethyl)-acetanilide.
    Type: Grant
    Filed: October 17, 1980
    Date of Patent: April 19, 1983
    Assignee: Monsanto Company
    Inventors: Robert K. Howe, Len F. Lee
  • Compositions and methods for reducing herbicidal injury
    Patent number: 4379716
    Abstract: The disclosure herein relates to the use of organophosphorous compounds as antidotes for thiolcarbamate herbicides used in various crops, particularly grass crops, e.g., corn, rice, barley, sorghum and wheat.
    Type: Grant
    Filed: July 10, 1978
    Date of Patent: April 12, 1983
    Assignee: Monsanto Company
    Inventors: David E. Schafer, Albert J. Czajkowski
  • 2-Chloro-4,5-disubstituted-thiazoles useful as herbicidal safeners
    Patent number: 4377693
    Abstract: 2-chloro-4,5-disubstituted-thiazoles have been found to be effective in reducing herbicidal injury to sorghum plants due to the application thereto of acetanilide and thiocarbamate herbicides.
    Type: Grant
    Filed: August 28, 1980
    Date of Patent: March 22, 1983
    Assignee: Monsanto Company
    Inventors: Robert K. Howe, Len F. Lee
  • Seed coated with 2-chloro-4,5-disubstituted-thiazole derivatives which are herbicidal safeners
    Patent number: 4377054
    Abstract: 2-Chloro-4,5-disubstituted-thiazoles have been found to be effective in reducing herbicidal injury to sorghum plants due to the application thereto of acetanilide and thiocarbamate herbicides.
    Type: Grant
    Filed: August 28, 1980
    Date of Patent: March 22, 1983
    Assignee: Monsanto Company
    Inventors: Robert K. Howe, Len F. Lee
  • Substituted benzazaphospholes, herbicidal compositions and the use thereof
    Patent number: 4319913
    Abstract: This disclosure relates to novel substituted benzazaphospholes and to methods of preparing such compounds. This invention further relates to herbicidal compositions containing such benzazaphospholes and to herbicidal methods employing such compounds and compositions. The compounds of the present invention are members of a class of bicyclic hetero compounds containing only one phosphorus-nitrogen bond and different moieties bonded to the phosphorus and nitrogen.
    Type: Grant
    Filed: February 25, 1980
    Date of Patent: March 16, 1982
    Assignee: Monsanto Company
    Inventors: Raymond C. Grabiak, James A. Miles
  • Substituted 2-imino-1,3-dithio and 1,3-oxathio heterocyclic compounds as herbicidal antidotes
    Patent number: 4317310
    Abstract: Derivatives of 2-imino-1,3-dithiolane, 1,3-dithiole, 1,3-dithiane, 1,3-dithietane and 1,3-oxathiole have been found to reduce herbicidal injury to crop plants due to thiocarbamate and acetanilide herbicides.
    Type: Grant
    Filed: July 21, 1980
    Date of Patent: March 2, 1982
    Assignee: Monsanto Company
    Inventor: Frederic G. Bollinger
  • N-Substituted carboxy-N-phosphonomethylglycines and the salts thereof as herbicides
    Patent number: 4312662
    Abstract: This disclosure relates to novel N-substituted carboxy-N-phosphonomethylglycines and the salts thereof which are useful as herbicides. This disclosure further relates to herbicidal compositions containing such N-substituted carboxy-N-phosphonomethylglycines and the salts thereof and to herbicidal methods employing such compounds and compositions.
    Type: Grant
    Filed: December 31, 1979
    Date of Patent: January 26, 1982
    Assignee: Monsanto Company
    Inventor: Van R. Gaertner
  • N-Substituted benzothiazolines substituted with thiol esters useful as herbicides and plant growth regulants
    Patent number: 4308052
    Abstract: N-substituted benzothiazolines have been found to be effective herbicides and plant growth regulants. Said benzothiazolines are substituted with thiol esters.
    Type: Grant
    Filed: September 21, 1977
    Date of Patent: December 29, 1981
    Assignee: Monsanto Company
    Inventor: John J. D'Amico
  • 2-Amino-4-substituted-thiazolecarboxylic acids and their derivatives
    Patent number: 4308391
    Abstract: 2-Amino-4-substituted-5-thiazolecarboxylic acids and derivatives thereof, are intermediates for the preparation of 2-substituted-4-substituted-5-thiazolecarboxylic acid derivatives which are herbicidal safeners.
    Type: Grant
    Filed: October 1, 1979
    Date of Patent: December 29, 1981
    Assignee: Monsanto Company
    Inventors: Robert K. Howe, Len F. Lee
  • 2-Substituted-4-alkyl or trihaloalkyl-5-oxazolecarboxylic acids as safening agents
    Patent number: 4303439
    Abstract: Derivatives of 2-substituted-4-alkyl or trihaloalkyl-5-oxazolecarboxylic acid have been found to be effective in reducing herbicidal injury to crop plants caused by thiocarbamate and acetanilide herbicides, and especially in reducing herbicidal injury to rice, sorghum or wheat crops, especially rice and sorghum, caused by triallate, alachlor and butachlor herbicides.
    Type: Grant
    Filed: October 1, 1979
    Date of Patent: December 1, 1981
    Assignee: Monsanto Company
    Inventors: Robert K. Howe, Len F. Lee