Patents Represented by Attorney H. Robinson Ertelt

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  • Bicyclic lactone derivatives
    Patent number: 4237058
    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: November 1, 1979
    Date of Patent: December 2, 1980
    Assignee: FMC Corporation
    Inventors: Kiyoshi Kondo, Toshiyuki Takashima, Minoru Suda
  • Derivatives of 2H-pyran-2-one
    Patent number: 4235780
    Abstract: Processes for producing a (1.alpha., 4.alpha., 5.alpha.)-6,6-dimethyl-4-halo-substituted-methyl-3-oxabicyclo[3.1.0]hexan- 2-one and its novel intermediates from known and inexpensive starting materials are described and exemplified.
    Type: Grant
    Filed: November 1, 1979
    Date of Patent: November 25, 1980
    Assignee: FMC Corporation
    Inventors: Kiyoshi Kondo, Toshiyuki Takashima, Minoru Suda
  • Insecticidal benzylfurylmethyl perhaloalkylvinylcyclopropanecarboxylates
    Patent number: 4235927
    Abstract: Perhaloalkylvinylcyclopropanecarboxylates having the general formula ##STR1## are disclosed wherein one of Y and Z is a perhaloalkyl group and the other is hydrogen, halogen, or lower alkyl. Compounds in which R is hydroxy, halogen or lower alkoxy are intermediates for preparation of insecticidal esters in which R is an optionally substituted benzylfurylmethoxy group. The insecticidal efficacy and preparation of the compounds and intermediates therefor are described and exemplified.
    Type: Grant
    Filed: July 6, 1979
    Date of Patent: November 25, 1980
    Assignee: FMC Corporation
    Inventor: John F. Engel
  • Nematicidal phosphorodithioate
    Patent number: 4215115
    Abstract: The compound O,O-diethyl S-(tert-butylthiomethyl) phosphorodithioate exhibits a broad spectrum of nematicidal activity.
    Type: Grant
    Filed: November 24, 1976
    Date of Patent: July 29, 1980
    Assignee: FMC Corporation
    Inventor: Carmine P. DiSanzo
  • Arylthiovinylcyclopropanecarboxylate intermediates
    Patent number: 4215069
    Abstract: Arylthiovinylcyclopropanecarboxylates having the general formula ##STR1## are disclosed. The insecticidal efficacy and preparation of the compounds and novel intermediates therefor are also described and exemplified.
    Type: Grant
    Filed: June 18, 1979
    Date of Patent: July 29, 1980
    Assignee: FMC Corporation
    Inventor: John F. Engel
  • Process for preparing dihalovinylcyclopropanecarboxylates
    Patent number: 4214097
    Abstract: Novel syntheses of dihalovinylcyclopropanecarboxylates, including potent insecticides, are described. The processes begin with the reaction between an alkenol and an orthoester to produce a .gamma.-unsaturated carboxylate, followed by the catalyzed addition of a carbon tetrahalide to the double bond and dehydrohalogenation to produce a cyclopropane derivative.
    Type: Grant
    Filed: January 20, 1978
    Date of Patent: July 22, 1980
    Assignee: Sagami Chemical Research Center
    Inventors: Kiyoshi Kondo, Kiyohide Matsui, Akira Negishi, Yuriko Takahatake
  • Herbicidal 1,3-dioxanes
    Patent number: 4207088
    Abstract: A new class of herbicidal compounds consisting of 1,3-dioxanes carrying substituents other than hydrogen in the 2-, 4-, 5-, and 6-positions of the dioxane ring exhibits preemergence and postemergence herbicidal activity, controlling effectively the growth of selected grassy species. The synthesis of members of this class is described in detail, and the utility of representative compounds in exemplified.
    Type: Grant
    Filed: September 15, 1978
    Date of Patent: June 10, 1980
    Assignee: FMC Corporation
    Inventor: Marvin J. Konz
  • Mono-5-substituted-3-chloro-4H-1,2,6-thiadiazin-4-one antifungal agents
    Patent number: 4201780
    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: April 10, 1978
    Date of Patent: May 6, 1980
    Assignee: FMC Corporation
    Inventors: Clinton J. Peake, Wayne N. Harnish, Bruce L. Davidson
  • Arylthiovinylcyclopropanecarboxylate insecticides
    Patent number: 4200644
    Abstract: Arylthiovinylcyclopropanecarboxylates having the general formula ##STR1## are disclosed. The insecticidal efficacy and preparation of the compounds and novel intermediates therefor are also described and exemplified.
    Type: Grant
    Filed: January 26, 1978
    Date of Patent: April 29, 1980
    Assignee: FMC Corporation
    Inventor: John F. Engel
  • 5-Substituted-thio-3-chloro-4H-1,2,6-thiadiazin-4-ones
    Patent number: 4196284
    Abstract: Selected mono-5-substituted-thio-3-chloro-4H-1,2,6-thiadiazin-4-ones having the formula ##STR1## wherein X is substituted thio, are described which are useful for control of fungal disease in plants.
    Type: Grant
    Filed: May 12, 1978
    Date of Patent: April 1, 1980
    Assignee: FMC Corporation
    Inventors: Clinton J. Peake, Wayne N. Harnish, Bruce L. Davidson
  • Insecticidal [.beta.-(substituted-phenyl)vinyl]cyclopropanecarboxylates
    Patent number: 4160842
    Abstract: New insecticidal (.beta.-phenylvinyl)cyclopropanecarboxylates having on the phenyl ring one or more substituents such as halogen, cyano, nitro, lower alkyl, aryl, aralkyl, lower alkoxy, lower alkylthio, aryloxy, arylthio, lower haloalkyl, di(lower alkyl)amino, or methylenedioxy are described, and their preparation and insecticidal utility are exemplified.
    Type: Grant
    Filed: August 27, 1976
    Date of Patent: July 10, 1979
    Assignee: FMC Corporation
    Inventor: John F. Engel
  • 3-Chloro-5-(optionally substituted heterocycloxy)-4H-1,2,6-thiadiazin-4-one antifungal agents
    Patent number: 4143138
    Abstract: Compounds of the formula: ##STR1## in which R is an optionally substituted heterocyclic ring having 6 members and containing 1 or 2 hetero N atoms, their fungicidal use and preparation are described and exemplified.
    Type: Grant
    Filed: May 8, 1978
    Date of Patent: March 6, 1979
    Assignee: FMC Corporation
    Inventors: Clinton J. Peake, Wayne N. Harnish, Bruce L. Davidson
  • Control of halomethyl ether emissions
    Patent number: 4130629
    Abstract: Emissions of halomethyl ethers are controlled by contacting a gaseous effluent stream containing said ethers with a scrubbing solution comprising an alkali metal hydroxide, a lower dialkanolamine and a lower alkylene glycol.
    Type: Grant
    Filed: December 16, 1977
    Date of Patent: December 19, 1978
    Assignee: FMC Corporation
    Inventors: Joseph J. Velenovsky, Manuel Alvarez
  • Process for preparing alkyl isocyanates
    Patent number: 4123450
    Abstract: Alkylisocyanates are prepared by reacting a phenol or substituted phenol and phosgene in a halogenated hydrocarbon solvent with aqueous alkali metal hydroxide to produce a corresponding chloroformate, reacting the resulting chloroformate solution with aqueous alkylamine to give a corresponding N-alkylcarbamate which, after solvent is stripped, is then pyrolyzed to yield the alkyl isocyanate. Solvent and the starting phenol may be recovered and recycled to the process.
    Type: Grant
    Filed: September 22, 1977
    Date of Patent: October 31, 1978
    Assignee: FMC Corporation
    Inventor: Harry W. Weber, Jr.
  • Process for preparing 2,3-dihydro-7-benzofuranols and benzodioxole intermediate therefor
    Patent number: 4118400
    Abstract: A 2,3-dihydro-7-benzofuranol having the formula is prepared by thermally rearranging a 1,3-benzodioxole of the formula ##STR1##
    Type: Grant
    Filed: September 22, 1977
    Date of Patent: October 3, 1978
    Assignee: FMC Corporation
    Inventor: William James Michaely
  • Dihydropyrazolone herbicide
    Patent number: 4115096
    Abstract: The new herbicide, 2-cyclohexyl-4-iodo-1,5-dimethyl-1,2-dihydro-3H-pyrazol-3-one, is described and its preparation and use to control undesired plant growth are exemplified.
    Type: Grant
    Filed: November 4, 1977
    Date of Patent: September 19, 1978
    Assignee: FMC Corporation
    Inventor: Robert Earl Sticker
  • N-aminosulfenyl derivatives of aldicarb
    Patent number: 4108991
    Abstract: New pesticidal N-aminosulfenyl derivatives of aldicarb and their use to control insects and acarids are described.
    Type: Grant
    Filed: December 6, 1976
    Date of Patent: August 22, 1978
    Assignee: The Regents of the University of California
    Inventors: Tetsuo Roy Fukuto, Allan Lindsay Black
  • Mono-5-substituted-thio-3-chloro-4H-1,2,6-thiadiazin-4-one antifungal agents
    Patent number: 4100281
    Abstract: Selected mono-5-substituted-thio-3-chloro-4H-1,2,6-thiadiazin-4-ones having the formula ##STR1## wherein X is substituted thio, are described which are useful for control of fungal disease in plants.
    Type: Grant
    Filed: March 30, 1977
    Date of Patent: July 11, 1978
    Assignee: FMC Corporation
    Inventors: Clinton Joseph Peake, Wayne Nelson Harnish, Bruce Lloyd Davidson
  • Mono-5-substituted-3-chloro-4H-1,2,6-thiadiazin-4-one antifungal agents
    Patent number: 4097594
    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: March 30, 1977
    Date of Patent: June 27, 1978
    Assignee: FMC Corporation
    Inventors: Clinton Joseph Peake, Wayne Nelson Harnish, Bruce Lloyd Davidson
  • 5-Benzyloxy-1,3-dioxanes
    Patent number: 4077982
    Abstract: Herbicidal compositions containing compounds of the formula ##STR1## where R.sup.2 is hydrogen, hydrocarbyl or substituted hydrocarbyl radical; R.sup.2a is hydrogen or methyl and R.sup.2 and R.sup.2a may together form a ring; R.sup.5 is hydrogen, alkyl, haloalkyl or cyanoalkyl; R.sup.r is aryl, substituted aryl or heterocyclyl.
    Type: Grant
    Filed: October 2, 1972
    Date of Patent: March 7, 1978
    Assignee: FMC Corporation
    Inventors: Sanford Tyler Young, Kenneth Lee Hill