Patents by Inventor Helmut Baier

Helmut Baier 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).

  • Anellated (oxa)hydantoins and their use as herbicides
    Patent number: 5856478
    Abstract: The invention relates to new anellated (oxa) hydantoins, and herbicidal compositions containing same. The invention also relates to methods for controlling noxious plants using the anellated (oxa) hydantoins of the invention.
    Type: Grant
    Filed: November 19, 1996
    Date of Patent: January 5, 1999
    Assignee: Degussa Aktiengesellschaft
    Inventors: Matthias Schafer, Helmut Baier, Karlheinz Drauz, Hans-Peter Krimmer, Sabine Landmann
  • Anellated (oxa)hydantoins and their use as herbicides
    Patent number: 5661109
    Abstract: The invention relates to new anellated (oxa) hydantoins, and herbicidal compositions containing same. The invention also relates to methods for controlling noxious plants using the anellated (oxa) hydantoins of the invention.
    Type: Grant
    Filed: April 21, 1995
    Date of Patent: August 26, 1997
    Assignee: DEGUSSA Aktiengesellschaft
    Inventors: Matthias Schafer, Helmut Baier, Karlheinz Drauz, Hans-Peter Krimmer, Sabine Landmann