Patents by Inventor Katja Stritzke

Katja Stritzke 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).

  • Amorphous aripiprazole and process for the preparation thereof
    Patent number: 7825125
    Abstract: Morphologically stabilized amorphous aripiprazole and process for preparing the same.
    Type: Grant
    Filed: August 8, 2006
    Date of Patent: November 2, 2010
    Assignee: Helm AG
    Inventors: Katja Stritzke, Uwe Löffler, Klaus Glänzer
  • Amorphous Aripiprazole and Process for the Preparation thereof
    Publication number: 20080020038
    Abstract: Morphologically stabilized amorphous aripiprazole and process for preparing the same.
    Type: Application
    Filed: August 8, 2006
    Publication date: January 24, 2008
    Applicant: HELM AG
    Inventors: Katja Stritzke, Uwe Loeffler, Klaus Glaenzer
  • Process for side-chain bromination of alkylbenzenes
    Publication number: 20060217569
    Abstract: A process for the side-chain bromination of alkylbenzenes according to Formula (I) wherein R1 is C1-C6-alkyl; R2 is H or C1-C6-alkyl which can be unsubstituted or substituted by one or more cyano groups; R3 is H or C1-C6-alkyl which can be unsubstituted or substituted by one or more cyano groups; comprising the steps of (1) dissolving the compound of Formula (I) in a solvent which is a non-aromatic non-halogenated hydrocarbon which can be substituted by one or more cyano groups; (2) adding a bromination agent selected from the group consisting of Br2 and N-bromoimides to the solution; and optionally (3) agitating the mixture at a temperature within the range of from room temperature to reflux temperature.
    Type: Application
    Filed: March 17, 2006
    Publication date: September 28, 2006
    Applicant: HELM AG
    Inventors: Michael Schulze, Katja Stritzke