Patents by Inventor Robert Ziegert

Robert Ziegert 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).

  • 1-[2-(2,4-dimethylphenylsulfanyl) phenyl]piperazine acetate in crystalline form
    Patent number: 9732053
    Abstract: The present invention relates to 1-[2-(2,4-dimethylphenylsulfanyl)phenyl]piperazine acetate in crystalline form and to methods for the preparation thereof. In addition the present invention relates to solid pharmaceutical compositions for oral administration comprising an effective amount of the crystalline 1-[2-(2,4-dimethylphenylsulfanyl)phenyl]piperazine acetate. Moreover, the present invention relates to the use of crystalline 1-[2-(2,4-dimethylphenylsulfanyl)phenyl]piperazine acetate for the preparation of pharmaceutical compositions.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: August 15, 2017
    Assignee: LEK PHARMACEUTICALS D.D.
    Inventors: Andreas Hotter, Robert Ziegert-Knepper, Verena Adamer, Arthur Pichler
  • 1-[2-(2,4-DIMETHYLPHENYLSULFANYL) PHENYL]PIPERAZINE ACETATE IN CRYSTALLINE FORM
    Publication number: 20160289202
    Abstract: The present invention relates to 1-[2-(2,4-dimethylphenylsulfanyl)phenyl]piperazine acetate in crystalline form and to methods for the preparation thereof. In addition the present invention relates to solid pharmaceutical compositions for oral administration comprising an effective amount of the crystalline 1-[2-(2,4-dimethylphenylsulfanyl)phenyl]piperazine acetate. Moreover, the present invention relates to the use of crystalline 1-[2-(2,4-dimethylphenylsulfanyl)phenyl]piperazine acetate for the preparation of pharmaceutical compositions.
    Type: Application
    Filed: June 30, 2014
    Publication date: October 6, 2016
    Applicant: LEK PHARMACEUTICALS D.D.
    Inventors: Andreas HOTTER, Robert ZIEGERT, Verena ADAMER, Arthur PICHLER
  • Crystalline sodium salt of an HIV integrase inhibitor
    Patent number: 9458146
    Abstract: A crystalline sodium salt of a compound of formula I (INN: Raltegravir) or a hydrate/solvate thereof is disclosed as well as a process for obtaining the same.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: October 4, 2016
    Assignee: SANDOZ AG
    Inventors: Frtiz Blatter, Katharina Reichenbächer, Robert Ziegert, Josef Wieser, Johannes Ludescher
  • CRYSTALLINE SODIUM SALT OF AN HIV INTEGRASE INHIBITOR
    Publication number: 20140135353
    Abstract: A crystalline sodium salt of a compound of formula I (INN: Raltegravir) or a hydrate/solvate thereof is disclosed as well as a process for obtaining the same.
    Type: Application
    Filed: April 27, 2012
    Publication date: May 15, 2014
    Applicant: SANDOZ AG
    Inventors: Fritz Blatter, Katharina Reichenbächer, Robert Ziegert, Josef Wieser, Johannes Ludescher