Patents by Inventor JURGEN ZINDEL

JURGEN ZINDEL 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).

  • Process for the preparation of 2-amino-4-chloro-1,3,5-triazines
    Patent number: 7002011
    Abstract: Compounds of the formula (I) or salts thereof are suitable for preparing active substances from the from the class of the aminotriazines of the formula (IV), for example herbicidal active substances. The compounds (I) can be prepared by chlorinating compounds of the formula (II) where, in the formulae, R1, R2, R3 and X are as defined in claim 1 and A and R have the meaning required in the active substances to be prepared, and they can be reacted with amines of the formula A—NH—R to give the active substances.
    Type: Grant
    Filed: July 2, 1999
    Date of Patent: February 21, 2006
    Assignee: Aventis CropScience GmbH
    Inventors: Jürgen Zindel, Jens Hollander, Klemens Minn, Lothar Willms
  • Synergistic active compound combinations for controlling harmful plants
    Publication number: 20040171489
    Abstract: The invention relates to synergistic herbicidal combinations for controlling harmful plants in plant cultures. The combinations contain active substances (A) et (B). (A) is an amino triazine with a partial structure of formula (I) as claim 1, in short T-NR-L-M, and L and M are defined as in claim 1, T is a 1,3,5-triazine and NR is an optionally substituted amino group, and (B) is one or more herbicides from the group of compounds consisting of (B1) leaf and/or soil-acting herbicides that are effective against monocotyledonous harmful plants.
    Type: Application
    Filed: December 12, 2003
    Publication date: September 2, 2004
    Inventors: Erwin Hacker, Hermann Bieringer, Thomas Auler, Lothar Willms, Klemens Minn, Jens Hollander, Jurgen Zindel, Wolfgang Giencke
  • 2,4 diamino-1,3,5-triazines, processes for their preparation and their use as herbicides and plant growth regulators
    Publication number: 20040034222
    Abstract: Compounds of the formula (I) or salts thereof 1
    Type: Application
    Filed: January 30, 2003
    Publication date: February 19, 2004
    Inventors: Jens Hollander, Lothar Willms, Jurgen Zindel, Wolfgang Giencke, Hermann Bieringer, Christopher Rosinger, Thomas Auler, Felix Thurwachter
  • 2,4-diamino-1,3,5-triazines, their preparation and their use as herbicides and plant growth regulators
    Patent number: 6645916
    Abstract: This invention provides for 2,4-diamino-1,3,5-triazines, their preparation and their use as herbicides or plant growth regulators.
    Type: Grant
    Filed: January 24, 2003
    Date of Patent: November 11, 2003
    Assignee: Hoechst Schering AgrEvo GmbH
    Inventors: Jürgen Zindel, Jens Hollander, Klemens Minn, Lothar Willms, Hermann Bieringer, Christopher Rosinger
  • 2,4-diamino-1,3,5-triazines, their preparation and their use as herbicides and plant growth regulators
    Publication number: 20030203820
    Abstract: This invention provides for 2,4-diamino-1,3,5-triazines, their preparation and their use as herbicides or plant growth regulators.
    Type: Application
    Filed: January 24, 2003
    Publication date: October 30, 2003
    Inventors: Jurgen Zindel, Jens Hollander, Klemens Minn, Lothar Willms, Hermann Bieringer, Christopher Rosinger
  • SUBSTITUTED 2,4-DIAMINO-1,3,5-TRIAZINES, PROCESSES FOR THEIR PREPARATION AND THEIR USE AS HERBICIDES AND PLANT GROWTH REGULATORS
    Publication number: 20030186817
    Abstract: Substituted 2,4-diamino-1,3,5-triazines of the formula I and salts thereof, processes for their preparation and their use as herbicides and plant growth regulators are described.
    Type: Application
    Filed: June 25, 1999
    Publication date: October 2, 2003
    Inventors: JENS HOLLANDER, LOTHAR WILLMS, JURGEN ZINDEL, KLEMENS MINN, WOLFGANG GIENCKE, HERMANN BIERINGER, CHRISTOPHER ROSINGER, THOMAS AULER