Patents by Inventor Wolfgang Froehlich

Wolfgang Froehlich 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).

  • Oxazolidinone compounds and pharmaceutical preparation containing them
    Patent number: 5998453
    Abstract: Pharmaceutical preparations for the local treatment of inflammations are claimed herein, characterized in that they contain as the active ingredient one or two compounds of general Formula I ##STR1## wherein X is an oxygen atom or a methylene group,R.sub.1 and R.sub.2 represent a hydrogen atom or a hydrocarbon residue of maximally eight carbon atoms, optionally interrupted by an oxygen atom,R.sub.3 is a hydrogen atom or a hydrocarbon residue of maximally eight carbon atoms, optionally substituted by an oxo group, andR.sub.4 is a hydrogen atom or an alkyl group of maximally four carbon atoms.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: December 7, 1999
    Assignee: Schering Aktiengesellschaft
    Inventors: Walter Klose, Gerald Kirsch, Andreas Huth, Wolfgang Froehlich, Henry Laurent
  • Administration of oxazolidinone and pyrolidinone compounds for the treatment of inflammation
    Patent number: 5783591
    Abstract: Pharmaceutical preparations for the local treatment of inflammations are claimed herein, characterized in that they contain as the active ingredient one or two compounds of general Formula I ##STR1## wherein X is an oxygen atom or a methylene group,R.sub.1 and R.sub.2 represent a hydrogen atom or a hydrocarbon residue of maximally eight carbon atoms, optionally interrupted by an oxygen atom,R.sub.3 is a hydrogen atom or a hydrocarbon residue of maximally eight carbon atoms, optionally substituted by an oxo group, andR.sub.4 is a hydrogen atom or an alkyl group of maximally four carbon atoms.
    Type: Grant
    Filed: November 17, 1994
    Date of Patent: July 21, 1998
    Assignee: Schering Aktiengesellschaft
    Inventors: Walter Klose, Gerald Kirsch, Andreas Huth, Wolfgang Froehlich, Henry Laurent