Patents by Inventor Kurt Westphal

Kurt Westphal 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).

  • Patent number: 4036632
    Abstract: 3-[Hydrogen-, (unsubstituted and halo, amino, alkyl-amino, nitro, alkyl, alkoxy, alkylmercapto, aryloxy and/or haloarylmercapto, -substituted) aliphatic-, cycloaliphatic-, araliphatic-, aryl-, or N-heterocyclic- or O-alkanoyl-, -substituted oxy, mercapto or amino]- 4-[amino; mono and di (unsubstituted and cyano, hydroxy and/or halo, -substituted) alkyl- and/or alkanoyl-, -amino; N- (unsubstituted and cyclo- alkyl, aryl, haloaryl, alkaryl, alkoxy aryl, nitroaryl, halo-nitro-aryl, aryl-alkenyl, heterocyclic and/or nitro-heterocyclic- -substituted) alkylidene-amino or cycloalkylidene-amino; or N-heterocyclic]-6-[(unsubstituted and halo, nitro, carbo lower alkoxy, alkyl, alkoxy, aryloxy, alkylmercapto, arylmercapto and/or aralkylmercapto, -substituted) aliphatic, cycloaliphatic, araliphatic, aryl, heterocyclic or heterocyclicalkyl]-1,2,4-triazine-5-ones, which possess herbicidal properties, and which may be produced by conventional methods; herbicidal compositions containing such compounds; and methods of using s
    Type: Grant
    Filed: January 19, 1976
    Date of Patent: July 19, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Kurt Westphal, Werner Meiser, Ludwig Eue, Helmuth Hack
  • Patent number: 4032324
    Abstract: Herbicidal compositions in the form of synergistic combinations of either 3-methylmercapto-4-amino-6-isopropyl-1,2,4-triazin-5-one or 3-methylmercapto-4-amino-6-tert.-butyl-1,2,4-triazin-5-one with either or both of N'-(3,4-dichlorophenyl)-N,N-dimethyl-urea and 3-amino-1,2,4-triazole, which are individually known compounds, which combinations possess synergistic herbicidal properties especially for the control of weeds.
    Type: Grant
    Filed: April 3, 1975
    Date of Patent: June 28, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilfried Faust, Kurt Westphal
  • Patent number: 3966715
    Abstract: 3-[HYDROGEN-, (UNSUBSTITUTED AND HALO, AMINO, ALKYLAMINO, NITRO, ALKYL, ALKOXY, ALKYLMERCAPTO, ARYLOXY AND/OR HALOARYLMERCAPTO, -SUBSTITUTED) ALIPHATIC-, CYCLOALIPHATIC-, ARALIPHATIC-, ARYL-, OR N-heterocyclic- or 0-alkanoyl-, -substituted oxy, mercapto or amino]- 4-[amino; mono and di (unsubstituted and cyano, hydroxy and/or halo, -substituted) alkyl- and/or alkanoyl-, -amino; N- (unsubstituted and cyclo-alkyl, aryl, haloaryl, alkaryl, alkoxy aryl, nitroaryl, halo-nitro-aryl, aryl-alkenyl, heterocyclic and/or nitro-heterocyclic- -substituted) alkylidene-amino or cycloalkylidene-amino; or N-heterocyclic]-6-[(unsubstituted and halo, nitro, carbo lower alkoxy, alkyl, alkoxy, aryloxy, alkylmercapto, arylmercapto and/or aralkylmercapto, -substituted) aliphatic, cycloaliphatic, araliphatic, aryl, heterocyclic or hetero-cyclicalkyl]-1,2,4-triazine-5-ones, which possess herbicidal properties, and which may be produced by conventional methods; herbicidal compositions containing such compounds; and methods of using su
    Type: Grant
    Filed: November 25, 1974
    Date of Patent: June 29, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Kurt Westphal, Werner Meiser, Ludwig Eue, Helmuth Hack
  • Patent number: 3961936
    Abstract: 3-[HYDROGEN-, (UNSUBSTITUTED AND HALO, AMINO, NITRO, ALKYL, ALKANOYL, ALKOXY, ALKYLMERCAPTO, ARYLOXY AND/OR ARYL-MERCAPTO-SUBSTITUTED) ALIPHATIC-, CYCLOALIPHATIC-, ARALIPHATIC-, ARYL-, OR HETEROCYCLIC- -SUBSTITUTED OXY, MERCAPTO OR AMINO]4-[AMINO; MONO AND DI (UNSUBSTITUTED AND CYANO, HYDROXY AND/OR HALO-SUBSTITUTED) ALKYL- AND/OR ALKANOYL-AMINO; N-heterocyclic; or N-(unsubstituted and aryl, haloaryl, alkoxyaryl, nitroaryl and/or heterocyclic- substituted) alkylidene or cycloalkylidene]-6-[(unsubstituted and halo, nitro, carbo lower alkoxy, alkyl, alkoxy, alkylmercapto, aralkylmercapto, aryloxy and/or arylmercapto-substituted) aliphatic, cycloaliphatic, araliphatic, aryl, or heterocyclic]-1,2,4-triazine-5-ones, which possess herbicidal properties, and which may be produced by conventional methods.
    Type: Grant
    Filed: April 12, 1967
    Date of Patent: June 8, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Kurt Westphal, Werner Meiser, Ludwig Eue, Helmuth Hack