Patents Represented by Attorney Ronald G. Brookens

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  • Aryl(aryloxy or arylthio)azolomethanes and their use as pesticides
    Patent number: 4717732
    Abstract: Disclosed are aryl(aryloxy or arylthio) azolomethanes, their preparation and their pesticidal and plant growth regulation uses.
    Type: Grant
    Filed: August 18, 1986
    Date of Patent: January 5, 1988
    Assignee: The Dow Chemical Company
    Inventors: Richard B. Rogers, Maria P. Herrero
  • Aryl(aryloxy or arylthio)azolomethanes and their use as pesticides
    Patent number: 4717734
    Abstract: Disclosed are aryl(aryloxy or arylthio) azolomethanes, their preparation and their pesticidal and plant growth regulation uses.
    Type: Grant
    Filed: August 18, 1986
    Date of Patent: January 5, 1988
    Assignee: The Dow Chemical Company
    Inventors: Richard B. Rogers, Maria P. Herrero
  • Aryl(aryloxy or arylthio)azolomethanes and their use as pesticides
    Patent number: 4717733
    Abstract: Disclosed are aryl(aryloxy or arylthio) azolomethanes, their preparation and their pesticidal and plant growth regulation uses.
    Type: Grant
    Filed: August 18, 1986
    Date of Patent: January 5, 1988
    Assignee: The Dow Chemical Company
    Inventors: Richard B. Rogers, Maria P. Herrero
  • Aryl(aryloxy or arylthio)azolomethanes and their use as pesticides
    Patent number: 4716174
    Abstract: Disclosed are aryl(aryloxy or arylthio) azolomethanes, their preparation and their pesticidal and plant growth regulation uses.
    Type: Grant
    Filed: August 18, 1986
    Date of Patent: December 29, 1987
    Assignee: The Dow Chemical Company
    Inventors: Richard B. Rogers, Maria P. Herrero
  • Device and method for fluorinating compounds
    Patent number: 4707224
    Abstract: A method and an apparatus are described for fluorinating substances utilizing a fluoride-ion valve.
    Type: Grant
    Filed: October 30, 1986
    Date of Patent: November 17, 1987
    Assignee: The Dow Chemical Company
    Inventor: Mani Shabrang
  • Photosynthesis enhancement by substituted .alpha.-hydroxybutynoic acids and derivatives
    Patent number: 4704161
    Abstract: Novel substituted .alpha.-hydroxybutynoic compounds and compositions, are used to increase photosynthesis in plants.
    Type: Grant
    Filed: July 12, 1985
    Date of Patent: November 3, 1987
    Assignee: The Dow Chemical Company
    Inventors: William L. White, Karin L. Ricciardelli, Munirathnam K. Chaguturu
  • Process for producing 2,3,5,6-tetrachloropyridine
    Patent number: 4703123
    Abstract: In accordance with the present invention, 2,3,5,6-tetrachloropyridine is advantageously prepared by contacting pentachloropyridine in a solvent selected from the group consisting of alkylnitriles, water, alkylsulfoxides, tetramethylsulfone, C-1 to C-5 alcohols, alkyl carbonates and mixtures thereof, in the presence of an ammonium salt of an organic or inorganic acid with about 0.7 to about 1.1 g atoms of zinc per mole of pentachloropyridine.
    Type: Grant
    Filed: September 19, 1986
    Date of Patent: October 27, 1987
    Assignee: The Dow Chemical Company
    Inventor: Frank H. Murphy
  • Phenyl (phenoxy or phenylthio) azolomethanes
    Patent number: 4701207
    Abstract: Disclosed are aryl(aryloxy or arylthio) azolomethanes, their preparation and their pesticidal and plant growth regulation uses.
    Type: Grant
    Filed: August 18, 1986
    Date of Patent: October 20, 1987
    Assignee: The Dow Chemical Company
    Inventors: Richard B. Rogers, Maria P. Herrero
  • Substituted benzyltriethylammonium salts and their use as plant growth enhancers
    Patent number: 4701211
    Abstract: Compounds are prepared which correspond to the formula ##STR1## wherein R represents hydrogen, chloro, bromo or trifluoromethyl; n represents an integer of from 1 or 2, with the proviso that when R is trifluoromethyl, n is 1; and X represents a non-phytotoxic anion. The compounds have been found to be active plant growth enhancers.
    Type: Grant
    Filed: June 18, 1985
    Date of Patent: October 20, 1987
    Assignee: The Dow Chemical Company
    Inventors: Joseph E. Dunbar, Theodore W. Holmsen, Herman O. Senkbeil
  • Pyridyl (pyridyloxy or pyriolylthio) azolomethanes
    Patent number: 4701463
    Abstract: Disclosed are aryl(aryloxy or arylthio) azolomethanes, their preparation and their pesticidal and plant growth regulation uses.
    Type: Grant
    Filed: August 18, 1986
    Date of Patent: October 20, 1987
    Assignee: The Dow Chemical Company
    Inventors: Richard B. Rogers, Maria P. Herrero
  • Catalyzed alkylation of halopyridinates in the absence of added organic solvents
    Patent number: 4701531
    Abstract: A process for preparing O-alkylated halopyridinate compounds is described. The process does not require the use of added organic solvents.
    Type: Grant
    Filed: December 1, 1986
    Date of Patent: October 20, 1987
    Assignee: The Dow Chemical Company
    Inventor: Timothy J. Adaway
  • Extraction of teichomycin A.sub.2 from whole culture fermentation broth
    Patent number: 4696817
    Abstract: Teichomycin A.sub.2 is recovered from whole culture fermentation broth of Actinoplanes teichomyceticus sp. or any similar microorganism producing Teichomycin A.sub.2 by extracting the broth with a water miscible solvent, such as acetone, acetonitrile, dimethylsulfoxide, n-propanol, methyl ethyl ketone or mixtures thereof.
    Type: Grant
    Filed: October 11, 1983
    Date of Patent: September 29, 1987
    Assignee: The Dow Chemical Company
    Inventors: Carl E. Snipes, John S. Coleman
  • Diphenoxymethylpyridines and compositions containing same having herbicidal properties
    Patent number: 4692183
    Abstract: Disclosed are diphenoxymethyl pyridines, their preparation and their use as herbicides.
    Type: Grant
    Filed: December 30, 1985
    Date of Patent: September 8, 1987
    Assignee: The Dow Chemical Company
    Inventors: Sudarshan K. Malhotra, Ingrid L. Evoy
  • N'-cyano-n-tetrahydrownaphthyl-s-methyisothiourea as a growth promoting agent
    Patent number: 4692467
    Abstract: This invention relates to novel cyanoguanidine compounds and the intermediate N'-cyano-N-(1,2,3,4-tetrahydro-1-naphthyl)-S-methylisothiourea. These novel compounds are useful as animal growth promoting agents.
    Type: Grant
    Filed: December 29, 1986
    Date of Patent: September 8, 1987
    Assignee: The Dow Chemical Company
    Inventors: Joseph E. Dunbar, Kimiaki Maruyama
  • N,N,N-tributyl-(3-hydroxybenzyl)ammonium salts and a method for increasing yield of soybeans
    Patent number: 4687509
    Abstract: The yield of soybeans can be increased by treating the plants during the period from full bloom to the beginning of the seed filling period with N,N,N-tributyl-(3-hydroxybenzyl)ammonium salts.
    Type: Grant
    Filed: May 19, 1986
    Date of Patent: August 18, 1987
    Assignee: The Dow Chemical Company
    Inventors: John C. Van Herrtum, Theodore W. Holmsen
  • Diphenoxymethyl-pyridinephosphates and phosphorothioates having herbicidal properties
    Patent number: 4685953
    Abstract: Disclosed are diphenoxymethylpyridines, their preparation and their use as herbicides.
    Type: Grant
    Filed: December 30, 1985
    Date of Patent: August 11, 1987
    Assignee: The Dow Chemical Company
    Inventors: Sudarshan K. Malhotra, Ingrid L. Evoy
  • Pyridyloxyphenoxyalkanoates, alkenoates and derivatives thereof, useful as herbicidal agents
    Patent number: 4685959
    Abstract: Novel pyridyloxyphenoxyalkanoates, alkenoates, R-enantiomers and derivatives thereof possess herbicidal activity selectively in the presence of broadleaf crops with preemergent or postemergent applications.
    Type: Grant
    Filed: December 17, 1985
    Date of Patent: August 11, 1987
    Assignee: The Dow Chemical Company
    Inventors: Richard B. Rogers, Cleve A. I. Goring
  • Herbicidal cyanoguanidines and cyanoisothioureas
    Patent number: 4684398
    Abstract: Disclosed are certain cyanoguanidines and cyanoisothioureas that are useful as herbicides.
    Type: Grant
    Filed: March 17, 1986
    Date of Patent: August 4, 1987
    Assignee: The Dow Chemical Company
    Inventors: Joseph E. Dunbar, David M. Hedstrand
  • Herbicidal aryloxyphenoxyalkanoate and alkenoate derivatives, compositions, and method of use therefor
    Patent number: 4684394
    Abstract: Novel aryloxyphenoxyalkanoates, alkenoates, R-enantiomers and derivatives thereof possess herbicidal activity selectively in the presence of broadleaf crops with preemergent or postemergent applications.
    Type: Grant
    Filed: October 29, 1985
    Date of Patent: August 4, 1987
    Assignee: The Dow Chemical Company
    Inventors: Richard B. Rogers, Cleve A. I. Goring
  • 1-acyl-1-(2-pyridinyl)semicarbazides
    Patent number: 4681943
    Abstract: 5-Alkyl-1-(2-pyridinyl)-1H-1,2,4-triazol-3-ols are prepared in good yield by reacting an appropriate 1-acyl-1-(2-pyridinyl)-semicarbazide with a base in the presence of a non-nucleophilic solvent. The compounds so prepared are intermediates used in the preparation of insecticides. The starting semicarbazide materials are novel compounds.
    Type: Grant
    Filed: March 17, 1986
    Date of Patent: July 21, 1987
    Assignee: The Dow Chemical Company
    Inventors: Charles E. Whitten, R. Garth Pews