Patents by Inventor Robert Eugene Diehl

Robert Eugene Diehl has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Herbicidal 3-heterocyclic substituted benzisothiazole and benzisoxazole compounds
    Patent number: 6706663
    Abstract: There are provided 3-heterocyclic substituted benzisothiazole and benzisoxazole compounds having the structural formula I where Q, X, X1 and Z are defined as in claim 1. Further provided are compositions and methods comprising those compounds for the control of undesirable plant species.
    Type: Grant
    Filed: April 17, 2001
    Date of Patent: March 16, 2004
    Assignee: Wyeth
    Inventors: Peter John Wepplo, Richard Anthony Rampulla, Gavin David Heffernan, Michael Vernie Cossette, Charles Malcolm Langevine, Venkataraman Kameswaran, Robert Eugene Diehl, James Joseph Fiordeliso, Gregory Jay Haley, Michael Anthony Guaciaro
  • Substituted anilide insecticidal agents
    Patent number: 6359009
    Abstract: Pesticidal substituted anilide compounds having the structural formula I and compositions and methods comprising those compounds for the control of insect pests.
    Type: Grant
    Filed: March 26, 1999
    Date of Patent: March 19, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Robert Eugene Diehl, Tatao Luo, Michael Frank Treacy, Keith Douglas Barnes, Venkataraman Kameswaran
  • Herbicidal 3 -heterocyclic substituted benzisothiazole and benzisoxazole compounds
    Publication number: 20020028748
    Abstract: There are provided 3-heterocyclic substituted benzisothiazole and benzisoxazole compounds having the structural formula I 1
    Type: Application
    Filed: April 17, 2001
    Publication date: March 7, 2002
    Applicant: Intellectual Property Department BASF Aktiengesellschaft
    Inventors: Peter John Wepplo, Richard Anthony Rampulla, Gavin David Heffernan, Michael Vernie Cossette, Charles Malcolm Langevine, Venkataraman Kameswaran, Robert Eugene Diehl, James Joseph Fiordeliso, Gregory Jay Haley, Michael Anthony Guaciaro
  • Insecticidal biphenylthiohydrazides
    Patent number: 6242647
    Abstract: The present invention provides N-biphenylthiohydrazone derivatives of formula I and compositions and methods for the use thereof in the control of insect and acarid pests and for the protection of crops therefrom.
    Type: Grant
    Filed: December 3, 1998
    Date of Patent: June 5, 2001
    Assignee: American Cyanamid Company
    Inventors: Robert Eugene Diehl, David Allen Hunt, Susan Hensen Trotto
  • Arylthio, -sulfinyl and -sulfonyl pyrrole insecticidal agents
    Patent number: 5817691
    Abstract: There are provided arylthio, -sulfinyl and -sulfonyl pyrrole compounds having the structural formula I ##STR1## Further provided are compositions and methods comprising those compounds for the control of insects.
    Type: Grant
    Filed: April 9, 1997
    Date of Patent: October 6, 1998
    Assignee: American Cyanamid Company
    Inventors: Keith Douglas Barnes, Robert Eugene Diehl, Susan Hensen Trotto, Yulin Hu
  • Haloalkylthio,-sulfinyl and -sulfonyl arylpyrrole insecticidal and acaricidal agents
    Patent number: 5739155
    Abstract: Haloalkylthio, -sulfinyl and -sulfonyl arylpyrrole compounds which are effective for the control of insects and acarids are described. A method for the insecticidal and acaricidal use of said compounds and methods for the preparation of said compounds are presented.
    Type: Grant
    Filed: November 7, 1995
    Date of Patent: April 14, 1998
    Assignee: American Cyanamid Co.
    Inventors: Keith Douglas Barnes, Victor Marc Kamhi, Robert Eugene Diehl
  • 3,4-Xylidine compounds which are useful as herbicides and as intermediates in the preparation of 2,6-dinitro-3,4-xylidine herbicides
    Patent number: 4119669
    Abstract: Novel N-alkyl-3,4-xylidine herbicides are disclosed, together with methods for their preparation and use for controlling undesirable plants by application of the xylidines to the foliage or soil containing the seeds thereof and are useful as intermediates in the preparation of 2,6-dinitro-3,4-xylidine herbicides.
    Type: Grant
    Filed: March 21, 1975
    Date of Patent: October 10, 1978
    Assignee: American Cyanamid Company
    Inventors: Stephen David Levy, Robert Eugene Diehl
  • 2,6-Dinitroaniline herbicides
    Patent number: 4101582
    Abstract: The invention is substituted 2,6-dinitroaniline compounds and preemergence herbicidal methods and compositions employing the substituted 2,6-dinitroaniline compounds.
    Type: Grant
    Filed: December 20, 1976
    Date of Patent: July 18, 1978
    Assignee: American Cyanamid Company
    Inventors: Albert William Lutz, Robert Eugene Diehl
  • 4-Cyano-2,6-dinitroanilines
    Patent number: 4098812
    Abstract: This invention relates to certain novel substituted 2,6-dinitroaniline compounds which are useful herbicides.
    Type: Grant
    Filed: December 20, 1976
    Date of Patent: July 4, 1978
    Assignee: American Cyanamid Company
    Inventors: Albert William Lutz, Robert Eugene Diehl
  • 1H- and 2H-Benzotriazoles
    Patent number: 4086242
    Abstract: This invention relates to novel 1H- and 2H-benzotriazoles. These benzotriazoles are useful as herbicidal agents for the control of undesirable broadleaf weeds and grass weeds and may be applied to the foliage of undesirable plants or to soil containing seeds of said undesirable plants in order to obtain the control thereof.
    Type: Grant
    Filed: January 12, 1977
    Date of Patent: April 25, 1978
    Assignee: American Cyanamid Company
    Inventors: Robert Eugene Diehl, Roger Vernon Kendall
  • Preemergence herbicidal methods and compositions using 2,6-dinitroxylidine compounds
    Patent number: 4066441
    Abstract: This invention relates to certain novel preemergence herbicidal methods and compositions employing substituted 2,6-dinitroaniline compounds.
    Type: Grant
    Filed: January 6, 1975
    Date of Patent: January 3, 1978
    Assignee: American Cyanamid Company
    Inventors: Albert William Lutz, Robert Eugene Diehl
  • 2,6-Dinitroaniline herbicides
    Patent number: 4025538
    Abstract: This invention relates to certain substituted 2,6-dinitroaniline compounds. It further relates to certain preemergence herbicidal methods and compositions employing substituted 2,6-dinitroaniline compounds.
    Type: Grant
    Filed: July 25, 1975
    Date of Patent: May 24, 1977
    Assignee: American Cyanamid Company
    Inventors: Albert William Lutz, Robert Eugene Diehl
  • 2-Chloro-N-isopropyl-2',3'-dimethylacetanilide as a herbicidal agent
    Patent number: 4021483
    Abstract: This invention relates to 2-chloro-N-isopropyl 2',3'-dimethylacetanilide, a method for the preparation thereof, and a method for the control of undesirable plant species therewith.
    Type: Grant
    Filed: July 25, 1975
    Date of Patent: May 3, 1977
    Assignee: American Cyanamid Company
    Inventors: Albert William Lutz, Robert Eugene Diehl
  • Phthalimide derivatives as plant growth regulants
    Patent number: 4017299
    Abstract: The invention is a novel class of phthalimido derivatives represented by a formula: ##STR1## wherein W is hydrogen or alkyl C.sub.1 -C.sub.4 ; X and X' each represent hydrogen, halogen, alkyl C.sub.1 -C.sub.4, CF.sub.3, alkoxy(C.sub.1 -C.sub.4), benzyloxy, di(C.sub.1 -C.sub.4)alkylamino, C.sub.1 C.sub.4 alkylthio, hydroxy, C.sub.1 -C.sub.4 alkylsulfonyl, alkanoylamino C.sub.1 -C.sub.4 or nitro; Y is --COOR.sub.3, --CONHR.sub.8, --CONR.sub.3 R.sub.4, --CONHN(R.sub.5).sub.2, --CONHN.sup.+(R.sub.6).sub.3 . halide.sup.-, --CN or --CCR.sub.7 with the proviso that at least one of X and X' is a substituent other than hydrogen; R.sub.1 and R.sub.2 each represent alkyl C.sub.1 -C.sub.4 or when taken together with the carbon to which they are attached form cycloalkyl C.sub.4 -C.sub.11 optionally substituted with methyl; R.sub.3 and R.sub.4 each represent hydrogen or alkyl C.sub.1 -C.sub.4 ; R.sub.5 and R.sub.6 each represent alkyl C.sub.1 -C.sub.2 ; R.sub.7 is halogen and R.sub.8 is --CH.sub.
    Type: Grant
    Filed: July 23, 1975
    Date of Patent: April 12, 1977
    Assignee: American Cyanamid Company
    Inventors: Robert Eugene Diehl, Bryant Leonidas Walworth
  • Dioxocyclohexanecarboxanilide insecticides and acaricides
    Patent number: 3976785
    Abstract: The present invention relates to certain carboxanilide insecticidal and acaricidal methods and compositions. It further relates to certain carboxanilides employed as active ingredients therein.
    Type: Grant
    Filed: May 15, 1975
    Date of Patent: August 24, 1976
    Assignee: American Cyanamid Company
    Inventors: Robert Eugene Diehl, Michael Stanley Schrider, Sidney Kantor
  • Phthalimide derivatives and their use as plant growth regulants
    Patent number: 3940419
    Abstract: The invention is a novel class of phthalimido derivatives represented by a formula: ##SPC1##Or ##SPC2##Wherein W is hydrogen or alkyl C.sub.1 -C.sub.4 ; X and X' each represent hydrogen, halogen, alkyl C.sub.1 -C.sub.4, CF.sub.3, alkoxy(C.sub.1 -C.sub.4), benzyloxy, di(C.sub.1 -C.sub.4)alkylamino, C.sub.1 -C.sub.4 alkylthio, hydroxy, C.sub.1 -C.sub.4 alkylsulfonyl, alkanoylamino C.sub.1 -C.sub.4 or nitro; Y is --COOR.sub.3, --CONHR.sub.8, --CONR.sub.3 R.sub.4, --CONHN(R.sub.5).sub.2, --CONHN.sup.+(R.sub.6).sub.3 . halide.sup.-, --CN or --COR.sub.7 with the proviso that at least one of X and X' is a substituent other than hydrogen; R.sub.1 and R.sub.2 each represent alkyl C.sub.1 -C.sub.4 or when taken together with the carbon to which they are attached form cycloalkyl C.sub.4 -C.sub.11 optionally substituted with methyl; R.sub.3 and R.sub.4 each represent hydrogen or alkyl C.sub.1 -C.sub.4 ; R.sub.5 and R.sub.6 each represent alkyl C.sub.1 -C.sub.2 ; R.sub.7 is halogen and R.sub.8 is --CH.sub.
    Type: Grant
    Filed: July 25, 1973
    Date of Patent: February 24, 1976
    Assignee: American Cyanamid Company
    Inventors: Robert Eugene Diehl, Bryant Leonidas Walworth