Patents Represented by Attorney H. Robinson Ertelt

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  • Mono-5-substituted-3-chloro-4H-1,2,6-thiadiazin-4-one antifungal agents
    Patent number: 4450269
    Abstract: Selected mono-5-substituted-3-chloro-4H-1,2,6 thiadiazin-4-ones having the general formula ##STR1## are described which are useful for control of fungal disease in plants.
    Type: Grant
    Filed: December 18, 1980
    Date of Patent: May 22, 1984
    Assignee: FMC Corporation
    Inventors: Clinton J. Peake, Wayne N. Harnish, Bruce L. Davidson
  • 4-Heterocyclic-substituted-2-indanyl alcohols and insecticidal ester derivatives
    Patent number: 4442296
    Abstract: Disclosed are novel compounds of the formula ##STR1## wherein R.sup.1 is a heterocyclic radical selected from furanyl, thienyl, pyridyl, pyrimidyl, oxazolyl, pyrrolyl, isoxazolyl, thiazolyl, and isothiazolyl, and R.sup.2 is hydrogen, a tetramethylcyclopropanecarbonyl group, a 1-(substituted-phenyl)-2-methylpropyl-1-carbonyl group, a 1-(4-ethoxyphenyl)-2,2-dichlorocyclopropanecarbonyl group, or a substituted-vinylcyclopropanecarbonyl group. The compounds wherein R.sup.2 is other than hydrogen are insecticides.
    Type: Grant
    Filed: December 23, 1982
    Date of Patent: April 10, 1984
    Assignee: FMC Corporation
    Inventor: John F. Engel
  • Insecticidal substituted-biphenylmethyl oxime ethers
    Patent number: 4434182
    Abstract: Oxime ethers of the formula ##STR1## wherein R.sup.1 is isopropyl, cyclopropyl, cyclopropylmethyl, or cyclobutyl; X and Y are independently halogen or straight or branched chain alkyl or alkoxy of 1 to 4 carbon atoms optionally substituted with one or more halogen atoms; n is 0-2; and m is 1-4 are disclosed. The insecticidal efficacy and preparation of the compounds are described and exemplified.
    Type: Grant
    Filed: November 1, 1982
    Date of Patent: February 28, 1984
    Assignee: FMC Corporation
    Inventors: Philip A. Cruickshank, Thomas G. Cullen
  • 1-(Aryl)thiocarbamoyl-2-(aryl)-3-pyrazolidinones and their nematicidal use
    Patent number: 4431659
    Abstract: Compounds of the general formula ##STR1## their method of preparation, and their use to control nematodes in agricultural crops are disclosed and exemplified.
    Type: Grant
    Filed: September 29, 1982
    Date of Patent: February 14, 1984
    Assignee: FMC Corporation
    Inventors: Kunikazu Sakai, Minoru Suda, Kiyoshi Kondo
  • 4-Phenyl-2-indanyl esters of 1R,cis-3-(2-halo-3,3,3-trifluoropropenyl)-2,2-dimethylcyclopropanecarbox ylic acid
    Patent number: 4429149
    Abstract: Insecticidal 4-phenyl-2-indanyl 1R,cis-3-(2-halo-3,3,3-trifluoro-1-propenyl)-2,2-dimethylcyclopropanecarbo xylates having a racemic or optically active indanyl moiety, methods of preparation and use, and efficacy data against representative insect species are disclosed and exemplified.
    Type: Grant
    Filed: April 20, 1982
    Date of Patent: January 31, 1984
    Assignee: FMC Corporation
    Inventor: John F. Engel
  • Heterocyclic substituted benzyl alcohol, insecticidal ester derivatives, and intermediates
    Patent number: 4426524
    Abstract: Disclosed and exemplified are insecticidal and acaricidal optionally substituted furylbenzyl, thienylbenzyl, pyrazinylbenzyl, or pyridinzylbenzyl esters of the pyrethroid acids, novel pyrethroid alcohols and other intermediates, and compositions, a method of use and a process for preparation of the esters.
    Type: Grant
    Filed: January 21, 1982
    Date of Patent: January 17, 1984
    Assignee: FMC Corporation
    Inventor: Ernest L. Plummer
  • (+)-4-Substituted-2-indanols
    Patent number: 4423255
    Abstract: Novel compounds of the formula ##STR1## are disclosed in which R.sup.1 is a phenyl, phenoxy, phenylthio, benzyl or heterocyclic radical which may be substituted, R.sup.2 is hydrogen, a substituted-vinylcyclopropanecarbonyl group, a tetramethylcyclopropanecarbonyl group, or a 1-(substituted-phenyl)-2-methylpropylcarbonyl group, and the isomer of S configuration at C-2 of the indanyl ring is present in an enantiomeric excess over the isomer of R configuration. Also disclosed is a method for preparing the optically active alcohols. The compounds wherein R.sup.2 is other than hydrogen are insecticides.
    Type: Grant
    Filed: May 17, 1982
    Date of Patent: December 27, 1983
    Assignee: FMC Corporation
    Inventor: John F. Engel
  • Selective removal and recovery of catechol mixed with 2-methallyloxyphenol
    Patent number: 4420642
    Abstract: A process is disclosed for selectively removing catechol from a mixture comprising catechol, 2-methallyloxyphenol, various salts, and by-products by treating the mixture with aqueous base, the aqueous phase being preferably saturated with respect to salts present; the catechol may then be recovered for recycle by acidifying the resulting aqueous phase and extracting the acidified aqueous phase with a suitable organic solvent.
    Type: Grant
    Filed: February 18, 1982
    Date of Patent: December 13, 1983
    Assignee: FMC Corporation
    Inventors: Borivoj R. Franko-Filipasic, James Snyder
  • Process for producing (+)-4-substituted-2-indanols
    Patent number: 4417078
    Abstract: Novel compounds of the formula ##STR1## are disclosed in which R.sup.1 is a phenyl, phenoxy, phenylthio, benzyl or heterocyclic radical which may be substituted, R.sup.2 is hydrogen, a substituted-vinylcyclopropanecarbonyl group, a tetramethylcyclopropanecarbonyl group, or a 1-(substituted-phenyl)-2-methylpropylcarbonyl group, and the isomer of S configuration at C-2 of the indanyl ring is present in an enantiomeric excess over the isomer of R configuration. Also disclosed is a method for preparing the optically active alcohols. The compounds wherein R.sup.2 is other than hydrogen are insecticides.
    Type: Grant
    Filed: May 17, 1982
    Date of Patent: November 22, 1983
    Assignee: FMC Corporation
    Inventor: John F. Engel
  • Intermediates for insecticidal synthetic pyrethroids
    Patent number: 4415748
    Abstract: Intermediates and Process For Insecticidal Synthetic Pyrethroids Compounds of the formulas ##STR1## and their use in a process for preparing a pyrethroid insecticide of the formula ##STR2## wherein R is a substituted or unsubstituted biphenylmethyl radical or 4-phenyl-2-indanyl radical are disclosed and exemplified.
    Type: Grant
    Filed: August 6, 1981
    Date of Patent: November 15, 1983
    Assignee: FMC Corporation
    Inventors: William G. Scharpf, Michael S. Glenn
  • Apparatus having an improved flow control pinch valve for dispensing flowable materials
    Patent number: 4407434
    Abstract: An improved apparatus for dispensing flowable material having a pinch valve, an operating lever, a support plate, and a resilient tube located between the lever and the support plate. Movement of an end portion of the lever operates the pinch valve which serves to sequentially isolate a measured quantity of flowable material delivered from a supply and release such measured quantity of material for discharge from the apparatus.
    Type: Grant
    Filed: May 1, 1981
    Date of Patent: October 4, 1983
    Assignee: FMC Corporation
    Inventor: Dennis D. Kempf
  • 4-Heterocyclic-substituted-2-indanyl alcohols and insecticidal ester derivatives
    Patent number: 4408057
    Abstract: Disclosed are novel compounds of the formula ##STR1## wherein R.sup.1 is a heterocyclic radical selected from furanyl, thienyl, pyridyl, pyrimidyl, oxazolyl, pyrrolyl, isoxazolyl, thiazolyl, and isothiazolyl, and R.sup.2 is hydrogen, a tetramethylcyclopropanecarbonyl group, a 1-(substituted-phenyl)-2-methylpropyl-1-carbonyl group, a 1-(4-ethoxyphenyl)-2,2-dichlorocyclopropanecarbonyl group, or a substituted-vinylcyclopropanecarbonyl group. The compounds wherein R.sup.2 is other than hydrogen are insecticides.
    Type: Grant
    Filed: December 20, 1982
    Date of Patent: October 4, 1983
    Assignee: FMC Corporation
    Inventor: John F. Engel
  • Herbicidal 3-isoxazolidinones and hydroxamic acids
    Patent number: 4405357
    Abstract: Novel 3-isoxazolidinone compounds and novel hydroxamic acid intermediates from which they are prepared exhibit herbicidal activity to grassy and broad-leaf plant species while leaving legumes, especially soybeans, unaffected. The preparation and herbicidal activity of the compounds is exemplified.
    Type: Grant
    Filed: May 11, 1981
    Date of Patent: September 20, 1983
    Assignee: FMC Corporation
    Inventor: Jun H. Chang
  • Trialkylamine/sulfur dioxide catalyzed sulfenylation of carbamates
    Patent number: 4389528
    Abstract: An improved process for sulfenylating carbofuran in the presence of a solvent and acid acceptor with a disubstituted aminosulfenyl halide, in which the reaction is conducted in the presence of a catalytic amount of a complex of a lower alkylamine and sulfur dioxide, is disclosed and exemplified.
    Type: Grant
    Filed: February 22, 1982
    Date of Patent: June 21, 1983
    Assignee: FMC Corporation
    Inventors: John W. Ager, Maurice J. C. Harding, Charles E. Hatch, III
  • Derivatives of 2H-pyran-2-one
    Patent number: 4387233
    Abstract: Novel intermediates for production of insecticidal cis-3-(2,2-disubstituted-ethenyl)-2,2-dimethylcyclopropanecarboxylates, processes for preparing the intermediates, and processes for preparing the final product insecticides via a novel bicyclic lactone intermediate are described and exemplified.
    Type: Grant
    Filed: March 1, 1982
    Date of Patent: June 7, 1983
    Assignee: FMC Corporation
    Inventors: Kiyoshi Kondo, Toshiyuji Takashima, Minoru Suda
  • Methyl isocyanate emission control
    Patent number: 4380665
    Abstract: A method is disclosed for removing methyl isocyanate from gaseous effluent streams by contacting the gaseous effluent stream with activated alumina.
    Type: Grant
    Filed: September 8, 1981
    Date of Patent: April 19, 1983
    Assignee: FMC Corporation
    Inventor: John W. Ager
  • Process for preparation of 2,3-dihydro-2,2-dimethyl-7-hydroxybenzofuran
    Patent number: 4380654
    Abstract: A process for preparing 2,3-dihydro-2,2-dimethyl-7-hydroxybenzofuran in which 2-methallyloxyphenol is heated to a temperature in the range of 150.degree. C. to 250.degree. C. in the presence of a solvent and a Lewis acid catalyst under an autogenous pressure of 20 to 60 psig is disclosed and exemplified.
    Type: Grant
    Filed: February 18, 1982
    Date of Patent: April 19, 1983
    Assignee: FMC Corporation
    Inventors: Borivoj R. Franko-Filipasic, Philip B. Hobson
  • 4-Heterocyclic-substituted-2-indanyl alcohols and insecticidal ester derivatives
    Patent number: 4368205
    Abstract: Disclosed are novel compounds of the formula ##STR1## wherein R.sup.1 is a heterocyclic radical selected from furanyl, thienyl, pyridyl, pyrimidyl, oxazolyl, pyrrolyl, isoxazolyl, thiazolyl, and isothiazolyl, and R.sup.2 is hydrogen, a tetramethylcylopropanecarbonyl group, a 1-(substituted-phenyl)-2-methylpropyl-1-carbonyl group, a 1-(4-ethoxyphenyl)-2-dichlorocyclopropanecarbonyl group, or a substituted-vinyl-cyclopropanecarbonyl group. The compounds wherein R.sup.2 is other than hydrogen are insecticides.
    Type: Grant
    Filed: September 17, 1981
    Date of Patent: January 11, 1983
    Assignee: FMC Corporation
    Inventor: John F. Engel
  • Trans-3-substituted-1-indanol insecticidal ester derivatives
    Patent number: 4362744
    Abstract: Disclosed are novel compounds of the formula ##STR1## in which R.sup.1 is hydrogen or methyl; R.sup.2 is phenyl or phenyl-methyl either of which is optionally ring substituted with lower alkyl or halogen; R is hydrogen, a tetramethylcyclopropanecarbonyl group, a 1-(substitutedphenyl)-2-methylpropylcarbonyl group, a 1-(4-ethoxyphenyl)-2,2-dichlorocyclopropanecarbonyl group, or a substitutedvinylcyclopropanecarbonyl group; and, with respect to the indanyl substituents, the 1,3-trans isomer is present in an isomeric excess over the corresponding 1,3-cis isomer. The compounds wherein R is other than hydrogen are insecticides, and the compounds wherein R is hydrogen are insecticide intermediates.
    Type: Grant
    Filed: March 19, 1981
    Date of Patent: December 7, 1982
    Assignee: FMC Corporation
    Inventor: Ernest L. Plummer
  • Substituted 7-oxabicyclo[2,2,1]hepta-2,5-diene methanols
    Patent number: 4348326
    Abstract: Novel alcohols of the formula ##STR1## where R.sup.5 is hydrogen are useful intermediates in the preparation of insecticidal esters. The insecticides are compounds in which R.sup.5 is a substituted-vinylcyclopropanecarbonyl group, a tetramethylcyclopropanecarbonyl group, or a chlorophenyl-2-methylpropylcarbonyl group.
    Type: Grant
    Filed: August 11, 1980
    Date of Patent: September 7, 1982
    Assignee: FMC Corporation
    Inventor: William A. Van Saun, Jr.