Patents Represented by Attorney Donald W. Peterson

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  • Process for the production of tertiary 2-haloacetamides
    Patent number: 4258196
    Abstract: The disclosure herein relates to a novel process for producing tertiary 2-haloacetamides by reacting primary or secondary 2-haloacetamides with an agent capable of generating an anion of the primary or secondary 2-haloacetamide under base conditions and alkylating the anion of the 2-haloamide with an alkylating agent; said anion is generated, for example, by electrolysis or by metals, metal hydrides, fluorides, oxides, hydroxides, carbonates, phosphates, or alkoxides.
    Type: Grant
    Filed: August 2, 1979
    Date of Patent: March 24, 1981
    Assignee: Monsanto Company
    Inventors: John P. Chupp, Richard D. Goodin
  • Use of substituted-3-phenacylidenephthalides as corn plant growth regulants
    Patent number: 4255181
    Abstract: This disclousure relates to regulating the growth of corn plants utilizing substituted-3-phenacylidene-phthalides. More particularly the present disclosure is concerned with a method of treating a corn plant with a substituted-3-phenacylidenephthalide or composition containing such a compound in order to effectively alter the development of the reproductive components of the corn plant.
    Type: Grant
    Filed: September 4, 1979
    Date of Patent: March 10, 1981
    Assignee: Monsanto Company
    Inventors: John A. Houbion, Miguel W. Dayawon
  • Substituted-1,2,3-thiadiazole-safening agents
    Patent number: 4253864
    Abstract: The invention relates to the safening of crop plants to the use of herbicides utilizing a substituted-1,2,3-thiadiazole 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 substituted-1,2,3-thiadiazole.
    Type: Grant
    Filed: July 23, 1979
    Date of Patent: March 3, 1981
    Assignee: Monsanto Company
    Inventor: James A. Kloek
  • Herbicidal ester derivatives of N-arylthio-N-phosphonomethylglycinonitrile
    Patent number: 4252554
    Abstract: This disclosure relates to novel ester derivatives of N-arylthio-N-phosphonomethylglycinonitrile which are useful as herbicides. This disclosure further relates to herbicidal compositions containing such N-phosphonomethylglycinonitriles and to herbicidal methods employing such compounds and compositions.
    Type: Grant
    Filed: August 8, 1979
    Date of Patent: February 24, 1981
    Assignee: Monsanto Company
    Inventors: Gerard A. Dutra, James A. Sikorski
  • 2-Chloro-4-trifluoromethyl-5-thiazolecarboxylic acids and derivatives
    Patent number: 4251261
    Abstract: 2-Chloro-4-trifluoromethyl-5-thiazolecarboxylic acids and derivatives thereof have been found to reduce herbicidal injury of sorghum plants due to the application thereto of 2-chloro-N-(2-methoxy-1-methylethyl)-6'-ethyl-o-acetotoluidide.
    Type: Grant
    Filed: April 9, 1979
    Date of Patent: February 17, 1981
    Assignee: Monsanto Company
    Inventors: Robert K. Howe, Len F. Lee
  • Herbicidal methods employing derivatives of N-phosphonomethylglycine
    Patent number: 4251257
    Abstract: A new class of compounds, prepared by reacting a salt of N-phosphonomethylglycine with a cyclic anhydride, have utility as post-emergent herbicides.
    Type: Grant
    Filed: August 17, 1979
    Date of Patent: February 17, 1981
    Assignee: Monsanto Company
    Inventor: Van R. Gaertner
  • N-(Substituted carbonyl) derivatives of N-phosphinylmethylglycinates and the herbicidal use thereof
    Patent number: 4251258
    Abstract: This disclosure relates to N-(substituted carbonyl) triester derivatives of N-phosphinylmethylglycine wherein a substituted thiocarbonyl, RS(CO)--, a substituted sulfinylcarbonyl, ##STR1## or a substituted sulfonyl carbonyl, ##STR2## group is bonded to the nitrogen atom, to herbicidal compositions containing the same and to the herbicidal use thereof.
    Type: Grant
    Filed: September 29, 1978
    Date of Patent: February 17, 1981
    Assignee: Monsanto Company
    Inventor: Robert J. Kaufman
  • Herbicidal N-substituted ethylene derivatives of N-phosphonomethylglycine
    Patent number: 4251256
    Abstract: Certain N-substituted ethylene derivatives of N-phosphonomethylglycine are novel compounds and display useful post-emergent herbicidal activity.
    Type: Grant
    Filed: December 22, 1978
    Date of Patent: February 17, 1981
    Assignee: Monsanto Company
    Inventor: Van R. Gaertner
  • Process for producing substituted benzoxaphospholes
    Patent number: 4250320
    Abstract: This disclosure relates to a process for producing substituted benzoxaphospholes employing a directive metalation technique utilizing an organolithium compound. The substituted benzoxaphospholes produced are useful as herbicides.
    Type: Grant
    Filed: July 6, 1979
    Date of Patent: February 10, 1981
    Assignee: Monsanto Company
    Inventor: Raymond C. Grabiak
  • 3-(m-Trifluoromethylphenyl)-5-halomethyl isoxazoles as safening agents
    Patent number: 4247322
    Abstract: Compounds of the formula: ##STR1## where X is chloro, bromo, fluoro or iodo, have been found to be effective in reducing herbicidal injury to direct seeded rice plants caused by 2-chloro-2',6'-diethyl-N-(butoxymethyl)acetanilide herbicide.
    Type: Grant
    Filed: October 1, 1979
    Date of Patent: January 27, 1981
    Assignee: Monsanto Company
    Inventors: Robert K. Howe, Len F. Lee
  • 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
  • Herbicidal composition and method of use
    Patent number: 4242123
    Abstract: The disclosure herein relates to herbicidal compositions containing 2'-carboalkoxy-6'-alkyl-2-haloacetanilides and method of use to selectively control undesired vegetation in agricultural crops, e.g., monocotyledons such as wheat, sorghum and rice and dicotyledons such as sugarbeets and soybeans.
    Type: Grant
    Filed: November 30, 1978
    Date of Patent: December 30, 1980
    Assignee: Monsanto Company
    Inventors: John P. Chupp, Jimmy W. Worley
  • Herbicidal meta-bifunctional benzenes
    Patent number: 4242122
    Abstract: Novel compounds and their herbicidal use having the formula ##STR1## wherein A is selected from the group ##STR2##
    Type: Grant
    Filed: November 24, 1976
    Date of Patent: December 30, 1980
    Assignee: Monsanto Company
    Inventors: Philip C. Hamm, John F. Olin
  • 2-(Pyridylthio)pyridine-N-oxides
    Patent number: 4239527
    Abstract: The invention relates to 2-(pyridylthio)pyridine-N-oxides and their use in reducing the herbicidal injury to sorghum due to the application thereto of various herbicides.
    Type: Grant
    Filed: November 24, 1978
    Date of Patent: December 16, 1980
    Assignee: Monsanto Company
    Inventors: John J. D'Amico, David E. Schafer
  • Ethanimidothioic (.alpha.-diaryloxyphosphinylmethylamino) acid ester hydrochlorides, herbicidal composition and herbicidal use thereof
    Patent number: 4238218
    Abstract: This disclosure relates to ethanimidothioic acid ester hydrochlorides. More particularly, this disclosure relates to novel (.alpha.-diaryloxyphosphinylmethylamino) ethanimidothioic hydrocarbon ester hydrochlorides, herbicidal compositions containing such thioimidate hydrochlorides and the herbicidal use thereof.
    Type: Grant
    Filed: June 6, 1978
    Date of Patent: December 9, 1980
    Assignee: Monsanto Company
    Inventors: Gerard A. Dutra, James A. Sikorski
  • Substituted 2-imino-1,3-dithio and 1,3-oxathio heterocyclic compounds as herbicidal antidotes
    Patent number: 4231783
    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: November 15, 1978
    Date of Patent: November 4, 1980
    Assignee: Monsanto Company
    Inventor: Frederic G. Bollinger
  • 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
  • Compositions and methods for reducing herbicidal injury
    Patent number: 4231786
    Abstract: A method and compositions for reducing injury to crops, especially wheat and sorghum, by thiolcarbamate herbicides employing compounds having in common the base structure ##STR1## wherein Y and Y' are oxygen or sulfur.
    Type: Grant
    Filed: December 26, 1974
    Date of Patent: November 4, 1980
    Assignee: Monsanto Company
    Inventors: Albert J. Czajkowski, David E. Schafer
  • Preparation of 3-aryl-isoxazol-5-yl-benzoic acid and salts thereof
    Patent number: 4230866
    Abstract: 3-Aryl-isoxazol-5-yl benzoic acid and salts thereof are prepared by base treatment of 3'-(Aryl)-spiro[isobenzofuran-1(3H),5'(4'H)-isoxazol]-3-one.
    Type: Grant
    Filed: May 17, 1979
    Date of Patent: October 28, 1980
    Assignee: Monsanto Company
    Inventors: Kou-Chang Liu, Robert K. Howe