Patents Represented by Attorney Donald W. Erickson

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  • Pyridyl esters and thiolesters of aminoalkanoic acids
    Patent number: 4447613
    Abstract: Pyridyl esters and thiolesters of amino acids, intermediates therefor, synthesis thereof and the use of said esters and thiolesters and compositions for the control of pests.
    Type: Grant
    Filed: March 8, 1982
    Date of Patent: May 8, 1984
    Assignee: Zoecon Corporation
    Inventor: Clive A. Henrick
  • Esters of ureido-phenyl (or pyridyl) phosphinic acids
    Patent number: 4433149
    Abstract: Substituted tetrahydrobenzodiazaphosphorindiones or tetrahydropyridodiazaphosphorindiones, intermediates therefore, synthesis thereof, said compounds being useful herbicides.
    Type: Grant
    Filed: May 19, 1982
    Date of Patent: February 21, 1984
    Assignee: Zoecon Corporation
    Inventor: Shy-Fuh Lee
  • Simulated rawhide product
    Patent number: 4419372
    Abstract: A chewable, digestible, high protein product for canine pets which has physical properties and appearance resembling rawhide is prepared by extruding a mixture of an oil seed protein, a polyol plasticizer, lecithin and water, and impacting the surface of the extrudate with a stream of particles until the leather-like appearance is obtained.
    Type: Grant
    Filed: March 19, 1982
    Date of Patent: December 6, 1983
    Assignee: Zoecon Corporation
    Inventors: C. Lawrence Greene, David C. Creech, Donald W. Kelley
  • Insecticidal isovaleric acid esters
    Patent number: 4411912
    Abstract: Esters and thiolesters of amino acids, intermediates therefor, synthesis thereof, and the use of said esters and thiolesters and compositions for the control of pests.
    Type: Grant
    Filed: November 13, 1979
    Date of Patent: October 25, 1983
    Assignee: Zoecon Corporation
    Inventors: Clive A. Henrick, Barbara A. Garcia
  • Certain aralkyloxy or thio-pyridyl-imidazo-pyridines and their herbicidal use
    Patent number: 4406689
    Abstract: 3-Pyridyl-1,5-tetramethylenehydantoins, 4-pyridyl-1,2-tetramethylenetriazolidine-3,5-diones, and the thioanalogs thereof, which compounds are useful as herbicides.
    Type: Grant
    Filed: February 22, 1982
    Date of Patent: September 27, 1983
    Assignee: Zoecon Corporation
    Inventors: Richard J. Anderson, Michael M. Leippe
  • Certain aralkyloxy or aralkylthio-pyridyl-phthalimides and their use as herbicides
    Patent number: 4406690
    Abstract: N-substituted pyridyl tetrahydrophthalimides, intermediates therefor and synthesis thereof which are useful herbicides.
    Type: Grant
    Filed: February 12, 1982
    Date of Patent: September 27, 1983
    Assignee: Zoecon Corporation
    Inventors: Richard J. Anderson, Michael M. Leippe
  • Novel pesticidal formulation
    Patent number: 4372943
    Abstract: An oil-in-water pesticidal emulsion concentrate comprising .alpha.-cyano-3-phenoxybenzyl-2-(2-chloro-4-trifluoromethylphenylamino)-3- methylbutanoate, polyvinyl alcohol and optional amounts of surfactant and ethylene or propylene glycol having freeze-thaw stability, 50 degrees centigrade stability and water dispersability.
    Type: Grant
    Filed: November 30, 1981
    Date of Patent: February 8, 1983
    Assignee: Zoecon Corporation
    Inventors: Steven C. Papanu, Ralston Curtis
  • Substituted phenoxyethoxytetrahydropyran
    Patent number: 4359424
    Abstract: The compound, cyclopropylmethyl 4-(2-cyclopropylcarbonyloxyethoxy)benzoate, novel intermediates therefor, synthesis thereof, and the use of said compound for the control of pests.
    Type: Grant
    Filed: July 9, 1981
    Date of Patent: November 16, 1982
    Assignee: Zoecon Corporation
    Inventors: Clive A. Henrick, Gerardus B. Staal
  • Esters of phenalkyloxycarbonylamino acids
    Patent number: 4358606
    Abstract: Novel esters of phenylalkyloxy- or phenylalkylthioacylamino acids and pyridylalkyloxy- or pyridylalkylthioacylamino acids, synthesis thereof, intermediates therefor, and the use of said esters for the control of weeds.
    Type: Grant
    Filed: June 19, 1981
    Date of Patent: November 9, 1982
    Assignee: Zoecon Corporation
    Inventors: Shy-Fuh Lee, Clive A. Henrick
  • 1-Phenyl-3-polyhaloalkyl(vinyl)sulfenyl uracils
    Patent number: 4358591
    Abstract: Novel 1-phenyl-3-polyhaloalkyl or polyhalovinyl uracils, and synthesis thereof, which are useful biological agents.
    Type: Grant
    Filed: July 21, 1980
    Date of Patent: November 9, 1982
    Assignee: Zoecon Corporation
    Inventor: Gustave K. Kohn
  • Insect pheromone
    Patent number: 4357474
    Abstract: Synthesis of the insect pheromone (9Z,11E)-9,11-hexadecadienal of the sugarcane borer, Diatraea saccharalis (F.), and intermediates therefor.
    Type: Grant
    Filed: March 9, 1981
    Date of Patent: November 2, 1982
    Assignee: Zoecon Corporation
    Inventors: Robert L. Carney, Alfred S. T. Lui
  • Recrystallization of phosmet
    Patent number: 4348321
    Abstract: An improved pet collar for the control of ectoparasites comprising solid synthetic polymer, recrystallized phosmet and plasticizer and method of manufacture.
    Type: Grant
    Filed: November 14, 1980
    Date of Patent: September 7, 1982
    Assignee: Zoecon Corporation
    Inventors: Joe D. McDaniel, Jr., Paul L. Pruitt
  • Novel compositions and methods
    Patent number: 4338318
    Abstract: Novel 1-substituted uracils, synthesis and intermediates therefor, and compositions for the control of pests.
    Type: Grant
    Filed: July 18, 1980
    Date of Patent: July 6, 1982
    Assignees: Zoecon Corporation, ICI Ltd.
    Inventors: Clive A. Henrick, Jeffrey N. Labovitz, Roland T. V. Fox, William G. Rathmell, Margaret C. Shephard
  • Process for preparing .alpha.-ketocarboxylic acids
    Patent number: 4334087
    Abstract: A novel process for the manufacture of .alpha.-ketocarboxylic acids which comprises the reaction of oximinohalide with cyanide ion to form oximinonitrile which is reacted with hydroxide ion to form oximinoacid and hydrolysis thereof to the .alpha.-ketoacid.
    Type: Grant
    Filed: September 11, 1980
    Date of Patent: June 8, 1982
    Assignee: Zoecon Corporation
    Inventors: Ted A. Baer, Jeffrey N. Labovitz
  • Compositions and use
    Patent number: 4332944
    Abstract: N-substituted phenyl tetrahydrophthalimides, intermediates therefor and synthesis thereof, which compounds are useful herbicides.
    Type: Grant
    Filed: July 9, 1981
    Date of Patent: June 1, 1982
    Assignee: Zoecon Corporation
    Inventors: Richard J. Anderson, Michael M. Leippe
  • Benzylidene glycine ester derivatives
    Patent number: 4332958
    Abstract: An improved process for preparing 1-aminocyclopropane-1-carboxylic acid, which acid is a plant growth regulator.
    Type: Grant
    Filed: June 19, 1981
    Date of Patent: June 1, 1982
    Assignee: Zoecon Corporation
    Inventor: Shy-fuh Lee
  • Insect attractant
    Patent number: 4332792
    Abstract: Preparation of an insect attractant comprising the pyrolyzate of N-methylnicotinic acid and starch syrup for the control of insects such as cockroaches.
    Type: Grant
    Filed: July 14, 1980
    Date of Patent: June 1, 1982
    Assignee: Zoecon Corporation
    Inventors: Gustave K. Kohn, Richard L. Baughn
  • Cis and trans isomers of .alpha.-methyl(6-phenoxy-2-pyridyl)methyl-3-(2,2-dichloroethenyl)-2,2-di methylcyclopropanecarboxylates and derivatives thereof
    Patent number: 4323574
    Abstract: The compounds .alpha.-methyl(6-phenoxy-2-pyridyl)methyl 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate & S-.alpha.-methyl(6-phenoxy-2-pyridyl)methyl 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanethiocarboxylate, synthesis thereof, & use of said compounds for the control of pests.
    Type: Grant
    Filed: November 24, 1980
    Date of Patent: April 6, 1982
    Assignee: Zoecon Corporation
    Inventor: Clive A. Henrick
  • Hybrid rice
    Patent number: 4305225
    Abstract: Methods for the production of seed for growing hybrid rice comprising the planting of rows of male parent seed interspersed with rows of female seed, synchronization of heading and pollination.
    Type: Grant
    Filed: June 3, 1980
    Date of Patent: December 15, 1981
    Assignee: China National Seed Corporation
    Inventor: Long-Ping Yuan
  • Cyclopropylmethyl benzoates
    Patent number: 4304924
    Abstract: The compound, cyclopropylmethyl 4-(2-cyclopropylcarbonyloxyethoxy)benzoate, novel intermediates therefor, synthesis thereof, and the use of said compound for the control of pests.
    Type: Grant
    Filed: July 7, 1980
    Date of Patent: December 8, 1981
    Assignee: Zoecon Corporation
    Inventors: Olive A. Henrick, Gerardus B. Staal