Patents by Inventor Uwe Hartfiel

Uwe Hartfiel 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).

  • 1-Methyl-5-alkylsulfonyl-, 1-methyl-5-alkylsulfinyl- and 1-methyl-5-alkylthio- substituted pyrazolylpyrazoles, processes for their preparation and their use as herbicides
    Patent number: 6232271
    Abstract: 1-Methyl-5-alkylsulfonyl-, 1-methyl-5-alkylsulfinyl- and 1-methyl-5-alkylthio-substituted pyrazolylpyrazoles, processes for their preparation and their use as herbicides 1 -Methyl-5-alkylsulfonyl-, 1-methyl-5-alkylsulfinyl- and 1-methyl-alkylthio-substituted pyrazolylpyrazoles of the formula (I) are described as herbicidally active compounds. In this formula (I), R1 and R4 are various substituents, R2 is halogen or cyano, R3 is cyano, nitro or thiocarbamoyl and n is 0, 1 or 2.
    Type: Grant
    Filed: November 20, 1998
    Date of Patent: May 15, 2001
    Assignee: Hoechst Schering AgrEvo GmbH
    Inventors: Alfred Angermann, Helga Franke, Rainer Preuss, Uwe Hartfiel, Holger Wagner, Hermann Bieringer, Thomas Auler, Christopher Rosinger
  • Substituted pyrazolyl-pyrazole derivatives, and their use as agents with herbicidal action
    Patent number: 6057270
    Abstract: The invention relates to new substituted pyrazol derivatives of general formula (I) in which: R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 have the meanings given in the description, agents with herbicidal action containing at least one compound of formula (I), and their use as herbicides.
    Type: Grant
    Filed: July 7, 1999
    Date of Patent: May 2, 2000
    Assignee: Hoechst Schering AgrEvo GmbH
    Inventors: Jens Geisler, Helga Franke, Uwe Hartfiel, Michael Ganzer, Jurgen Bohner, Richard Rees
  • Substituted pyrazolyl-pyrazole derivatives, processes for their preparation and their use as agents with herbicidal action
    Patent number: 6028034
    Abstract: The invention relates to new substituted pyrazol derivatives of general formula (I) in which: R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 have the meanings given in the description, agents with herbicidal action containing at least one compound of formula (I), and their use as herbicides.
    Type: Grant
    Filed: September 4, 1998
    Date of Patent: February 22, 2000
    Assignee: Hoechst Schering AgrEvo GmbH
    Inventors: Jens Geisler, Helga Franke, Uwe Hartfiel, Michael Ganzer, Jurgen Bohner, Richard Rees
  • Substituted pyrazole derivatives, processes for their preparation and their use as herbicides
    Patent number: 5869686
    Abstract: New substituted pyrazole derivatives of general formula I are described ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 have the meanings given in the description, processes for their preparation, as well as intermediates, and their use as herbicides.
    Type: Grant
    Filed: April 10, 1998
    Date of Patent: February 9, 1999
    Assignee: Hoechst Schering AgrEvo GmbH
    Inventors: Gabriele Dorfmeister, Helga Franke, Jens Geisler, Uwe Hartfiel, Jurgen Bohner, Richard Rees
  • Substituted pyrazolylpyrazole derivatives
    Patent number: 5840653
    Abstract: Novel substituted pyrazolylpyrazoles of the formula I ##STR1## in which R.sup.1 -R.sup.6 are as defined in the description, processes for their preparation and intermediates for their preparation and their use as herbicides are described.
    Type: Grant
    Filed: June 4, 1997
    Date of Patent: November 24, 1998
    Assignee: Hoechst Schering AgrEvo GmbH
    Inventors: Michael Ganzer, Helga Franke, Uwe Hartfiel, Jurgen Bohner
  • Substituted pyrazolyl-pyrazole derivatives, and their use as agents with herbicidal action
    Patent number: 5840912
    Abstract: The invention relates to new substituted pyrazol derivatives of general formula (I) in which: R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 have the meanings given in the description, agents with herbicidal action containing at least one compound of formula (I), and their use as herbicides.
    Type: Grant
    Filed: April 22, 1997
    Date of Patent: November 24, 1998
    Assignee: Hoechst Schering AgrEvo GmbH
    Inventors: Jens Geisler, Helga Franke, Uwe Hartfiel, Michael Ganzer, Jurgen Bohner, Richard Rees
  • Substituted pyrazole derivatives and their use as herbicides
    Patent number: 5756424
    Abstract: New substituted pyrazole derivatives of general formula I are described ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 have the meanings given in the description , processes for their preparation, as well as intermediates, and their use as herbicides.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: May 26, 1998
    Assignee: Hoechst Schering AgrEvo GmbH
    Inventors: Gabriele Dorfmeister, Helga Franke, Jens Geisler, Uwe Hartfiel, Jurgen Bohner, Richard Rees
  • Bicyclic pyrazolo compounds
    Patent number: 5668278
    Type: Grant
    Filed: July 31, 1996
    Date of Patent: September 16, 1997
    Assignee: Hoeschst Schering AgrEvo GmbH
    Inventors: Uwe Hartfiel, Gabriele Dorfmeister, Helga Franke, Jens Geisler, Gerhard Johann, Richard Rees
  • Substituted pyrazole derivatives
    Patent number: 5580986
    Abstract: New substituted pyrazole derivatives of general formula I are described ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 have the meanings given in the description, processes for their preparation, as well as intermediates, and their use as herbicides.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: December 3, 1996
    Assignee: Hoechst Schering AgrEvo GmbH
    Inventors: Gabriele Dorfmeister, Helga Franke, Jens Geisler, Uwe Hartfiel, J urgen Bohner, Richard Rees
  • Pyrazole hydrazine compounds
    Patent number: 5556986
    Abstract: The invention relates to new pyrazolylpyrazoles of general formula (I) in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 have the meanings given in the description, processes for their preparation as well as intermediates, and their use as herbicides.
    Type: Grant
    Filed: December 29, 1994
    Date of Patent: September 17, 1996
    Assignee: Hoechst Schering AgrEvo GmbH
    Inventors: Uwe Hartfiel, Gabriele Dorfmeister, Helga Franke, Jens Geisler, Gerhard Johann, Richard Rees
  • Substituted pyrazolypyrazoles and their use as herbicides
    Patent number: 5405829
    Type: Grant
    Filed: June 13, 1994
    Date of Patent: April 11, 1995
    Assignee: Schering Aktiengesellschaft
    Inventors: Uwe Hartfiel, Gabriele Dorfmeister, Helga Franke, Jens Geisler, Gerhard Johann, Richard Rees