Patents by Inventor Harmut Ahrens

Harmut Ahrens 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).

  • Substituted picolinic acids, salts and acid derivatives thereof, and use thereof as herbicides
    Patent number: 8962529
    Abstract: The present invention relates to novel, herbicidally active picolinic acid derivatives of the formula (I) and to processes for preparation thereof. The present invention further provides for the use thereof as a herbicide, especially as a herbicide for selective control of weed plants in useful plant crops, and as a plant growth regulator alone or in combination with safeners and/or in a mixture with other herbicides.
    Type: Grant
    Filed: October 21, 2011
    Date of Patent: February 24, 2015
    Assignee: Bayer Cropscience AG
    Inventors: Harmut Ahrens, Marco Brünjes, Hansjörg Dietrich, Elmar Gatzweiler, Isolde Häuser-Hahn, Stefan Lehr, Dirk Schmutzler
  • HERBICIDE/SAFENER COMBINATION
    Publication number: 20150051074
    Abstract: A composition comprising (A) one or more compounds of the formula (I) or salts thereof, in which the individual indices have the meaning defined in the description and (B) one or more safeners is described.
    Type: Application
    Filed: October 30, 2014
    Publication date: February 19, 2015
    Inventors: Christopher Hugh ROSINGER, Erwin HACKER, Harmut AHRENS, Hansjoerg DIETRICH, Frank ZIEMER
  • HERBICIDE/SAFENER COMBINATION
    Publication number: 20100137137
    Abstract: A composition comprising (A) one or more compounds of the formula (I) or salts thereof, in which the individual indices have the meaning defined in the description and (B) one or more safeners is described.
    Type: Application
    Filed: November 25, 2009
    Publication date: June 3, 2010
    Applicant: BAYER CROPSCIENCE AG
    Inventors: Christopher Hugh ROSINGER, Erwin Hacker, Harmut Ahrens, Hansjorg Dietrich, Frank Ziemer