Patents by Inventor Harald Von Keyserlingk

Harald Von Keyserlingk 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).

  • Use of biogenic estriol diester prodrugs for the treatment of autoimmune diseases
    Patent number: 6894038
    Abstract: The invention relates to the use of esters of estriol, for example, an estriol 3,17-dipropionate or an estriol 3,17-dihexanoate, for the treatment of autoimmune diseases, such as multiple sclerosis (MS).
    Type: Grant
    Filed: February 27, 2003
    Date of Patent: May 17, 2005
    Assignee: Schering Aktiengesellschaft
    Inventors: Walter Elger, Sybille Beier, Harald Von Keyserlingk, Frank Dahlke
  • Use of biogenic estriol diester prodrugs for the treatment of autoimmune diseases
    Publication number: 20040077614
    Abstract: The invention relates to the use of esters of estriol, for example, an estriol 3,17-dipropionate or an estriol 3,17-dihexanoate, for the treatment of autoimmune diseases, such as multiple sclerosis (MS).
    Type: Application
    Filed: February 27, 2003
    Publication date: April 22, 2004
    Inventors: Walter Elger, Sybille Beier, Harald Von Keyserlingk, Frank Dahlke
  • Use of biogenic estriol sulfamate prodrugs for treatment of autoimmune diseases
    Publication number: 20040067923
    Abstract: The invention relates to the use of mono-sulfamate prodrugs of estriol, such as estriol-3-sulfamate, for the treatment of autoimmune diseases, such as multiple sclerosis (MS).
    Type: Application
    Filed: February 27, 2003
    Publication date: April 8, 2004
    Inventors: Walter Elger, Gudrun Reddersen, Birgitt Schneider, Harald Von Keyserlingk, Frank Dahlke, Sigfrid Schwarz
  • Halogenated olefins, processes for their preparation and their use as pesticides
    Patent number: 5248810
    Abstract: This are described new halogenated olefines of general formula I ##STR1## in which X.sub.1, X.sub.2, X.sub.3, n and A have the meanings given in the description as well as processes for their preparation. The compounds can be used as pesticides especially against insects and acarids.
    Type: Grant
    Filed: December 13, 1990
    Date of Patent: September 28, 1993
    Assignee: Schering Aktiengesellschaft
    Inventors: Arnim Kohn, Gunter Homberger, Hartmut Joppien, Harald von Keyserlingk
  • 2-fluorocyclopropylacetic acid esters, processes for their preparation and their use as pesticides
    Patent number: 5071869
    Abstract: There are provided new 2-fluorocyclopropylacetic acid esters of general formula I ##STR1## in which R.sup.1, R.sup.2 and R.sup.3 have the meanings given in the description as well as processes for their preparation of the compounds of formula I.The compounds of the invention can be used as pesticides, especially against insects and mites.
    Type: Grant
    Filed: September 6, 1990
    Date of Patent: December 10, 1991
    Assignee: Schering Aktiengesellschaft
    Inventors: Gunter Homberger, Arnim Kohn, Hartmut Joppien, Harald Von Keyserlingk
  • Substituted trifluoroethyl esters of phenylacetic acid, processes for their preparation and their use as pesticides
    Patent number: 4973735
    Abstract: There are described new trifluoroethyl esters of phenylacetic acid of general formula I ##STR1## in which R.sub.1 and R.sub.2 have the meanings given in the description and processes for their preparation. The compounds show insecticidal activity so that they can be used as pesticides.
    Type: Grant
    Filed: September 5, 1989
    Date of Patent: November 27, 1990
    Assignee: Schering Aktiengesellschaft
    Inventors: Ulrich Buhman, Ortrud Lammer, Hartmut Joppien, Harald von Keyserlingk