Patents by Inventor Felix Thürwächter

Felix Thürwächter 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).

  • Phenylsulfonyl ureas, process for their preparation and their use as herbicides and plant growth regulators
    Patent number: 7414011
    Abstract: Disclosed are compounds of the formula (I) or salts thereof in which R1, R2, R3, R4, I, R5, Q, R4, W, X, Y, V and Z, are as defined in the specification, which are suitable for use as herbicides or plant growth regulators. Also disclosed are processes for preparing the compounds of formula (I) or salts thereof.
    Type: Grant
    Filed: September 12, 2005
    Date of Patent: August 19, 2008
    Assignee: Hoechst Schering Agrevo GmbH
    Inventors: Hansjörg Dietrich, Christian Waldraff, Lothar Willms, Hermann Bieringer, Christopher Rosinger, Felix Thürwächter, Thomas Auler
  • Phenylsulfonyl ureas, process for their preparation and their use as herbicides and plant growth regulators
    Patent number: 7078369
    Abstract: Phenylsulfonyl ureas are disclosed for controlling harmful plants in crops of useful plants. Also disclosed are processes for the preparation of phenylsulfonyl ureas, and their use as herbicides and plant growth regulators.
    Type: Grant
    Filed: September 9, 2003
    Date of Patent: July 18, 2006
    Assignee: Hoechst Schering AgrEvo GmbH
    Inventors: Hansjörg Dietrich, Christian Waldraff, Lothar Willms, Hermann Bieringer, Christopher Rosinger, Felix Thürwächter, Thomas Auler
  • Heterocyclyl-substituted benzoylcyclohexandiones, their preparation, and their use as herbicides
    Patent number: 6703348
    Abstract: There are described benzoylcyclohexanediones of the formula I, their preparation, and their use as herbicides and plant growth regulators. In this formula (I), R1, R2, R3, R4, R5, R6, R7, Ra, Rb and Rc are various radicals, and Y and Z are a monoatomic bridge element.
    Type: Grant
    Filed: August 30, 2001
    Date of Patent: March 9, 2004
    Assignee: Aventis CropScience GmbH
    Inventors: Andreas van Almsick, Lothar Willms, Thomas Auler, Hermann Bieringer, Felix Thürwächter
  • Benzoylcyclohexanediones and benzoylpyrazoles, their preparation, and their use as herbicides and plant growth regulators
    Patent number: 6448201
    Abstract: Benzoylcyclohexanediones and benzoylpyrazoles, their preparation and their use as herbicides and plant growth regulators. There are described benzoyl compounds of the formula (I), their preparation and their use as herbicides and plant growth regulators. In this formula (I), R1, R2, R3 and R4 are various radicals, X is an alkylene chain which may contain a hetero atom and Het is a heterocycle or heteroaromatic ring.
    Type: Grant
    Filed: November 2, 2000
    Date of Patent: September 10, 2002
    Assignee: Aventis CropScience GmbH
    Inventors: Thomas Seitz, Lothar Willms, Thomas Auler, Hermann Bieringer, Felix Thürwächter
  • Defoliant
    Patent number: 6444613
    Abstract: A mixture, comprising (A) thidiazuron or thidiazuron and diuron and (B) one or more PPO inhibitors of the formula (I) W—V  (I), where the symbols have the meanings given in the description, is suitable for effecting leaf abscission of plants, in particular cotton plants.
    Type: Grant
    Filed: March 9, 2000
    Date of Patent: September 3, 2002
    Assignee: Hoechst Schering AgrEvo GmbH
    Inventors: Gerhard Feurer, Christopher Rosinger, Alfred Angermann, Felix Thürwächter, Werner Schlesinger
  • Benzoylpyrazoles and their use as herbicides
    Patent number: 6420317
    Abstract: Benzoylpyrazoles of the formula (I) and their use as herbicides are described. In the formula (I), R1, R2, R3, R4 and R5 are various radicals and n is from 0 to 2.
    Type: Grant
    Filed: March 29, 2001
    Date of Patent: July 16, 2002
    Assignee: Aventis CropScience GmbH
    Inventors: Monika Schmitt, Andreas van Almsick, Rainer Preuss, Lothar Willms, Thomas Auler, Hermann Bieringer, Felix Thürwächter
  • Defoliant
    Patent number: 6274535
    Abstract: A mixture comprising (A) thidiazoron or thidiazuron and diuron and (B) cyclanilide or cyclanilide and ethephon is suitable for effecting leaf abscission of plants, in particular in crops of cotton.
    Type: Grant
    Filed: March 9, 2000
    Date of Patent: August 14, 2001
    Assignee: Hoechst Schering AgrEvo GmbH
    Inventors: Gerhard Feurer, Felix Thürwächter, Oswald Ort, Werner Schlesinger
  • Isoxazolyl- and isoxazolinyl-substituted benzoylcyclohexanediones, process for their preparation and their use as herbicides and plant growth regulators
    Patent number: 6211216
    Abstract: Isoxazolyl- and isoxazolinyl-substituted benzoylcyclohexanediones, process for their preparation and their use as herbicides and plant growth regulators. Benzoylcyclohexanediones of the formula (I), process for their preparation and their use as herbicides and plant growth regulators are described. In formula (I) R1, R2, R3, R4, R5, R6, R7, Ra, Rb, and Rc are various radicals and Y and Z are a monoatomic bridge element.
    Type: Grant
    Filed: July 25, 2000
    Date of Patent: April 3, 2001
    Assignee: Aventis CorpScience GmbH
    Inventors: Lothar Willms, Andreas Van Almsick, Hermann Bieringer, Thomas Auler, Felix Thürwächter