Patents by Inventor Kristine J. Schaefer

Kristine J. Schaefer 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).

  • Patent number: 6156704
    Abstract: The invention relates to the compounds of Formula XA ##STR1## wherein X and Y represent independently hydrogen, fluorine or chlorine, Z.sub.1 is fluorine or chlorine and M is hydrogen or a salt forming moiety and Z.sub.2 ' is chlorine or fluorine; and the corresponding herbicidal composition and methods of use. The compounds of the invention are useful as auxin transport inhibitors (i.e. useful as herbicides) and useful as potentiators or enhancers of herbicides.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: December 5, 2000
    Assignee: Novartix AG
    Inventors: Richard J. Anderson, Ian S. Cloudsdale, Robert J. Lamoreaux, Kristine J. Schaefer, Jost Harr
  • Patent number: 6110868
    Abstract: The present invention is directed to the use of certain auxin transport inhibiting semicarbazones to potentiate the herbicidal activity of other herbicides. The present invention includes potentiating herbicidal compositions of these auxin transport inhibitors and growth regulator herbicides. These potentiating herbicidal compositions have been found especially useful in combating or controlling the growth of broadleaf weeds, especially when applied postemergence to the locus of these weeds.
    Type: Grant
    Filed: January 15, 1999
    Date of Patent: August 29, 2000
    Inventors: Richard J. Anderson, Ian S. Cloudsdale, Robert J. Lamoreaux, Kristine J. Schaefer, Jost Harr
  • Patent number: 6107248
    Abstract: The present invention is directed to the use of certain auxin transport inhibiting semicarbazones to potentiate the herbicidal activity of other herbicides. The present invention includes potentiating herbicidal compositions of these auxin transport inhibitors and growth regulators, particularly, benzoic acid and benzoic acid salt herbicides. These potentiating herbicidal compositions have been found especially useful in combating or controlling the growth of broadleaf weeds, especially when applied postemergence to the locus of these weeds.
    Type: Grant
    Filed: July 22, 1997
    Date of Patent: August 22, 2000
    Inventors: Richard J. Anderson, Ian S. Cloudsdale, Robert J. Lamoreaux, Kristine J. Schaefer, Jost Harr
  • Patent number: 5665674
    Abstract: The use of certain herbicidal semicarbazones and salts thereof as potentiators or enhancers of herbicidal and/or plant growth regulating substances.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: September 9, 1997
    Assignee: Sandoz Ltd.
    Inventors: Richard J. Anderson, Ian S. Cloudsdale, Robert J. Lamoreaux, Kristine J. Schaefer, Jost Harr