Patents by Inventor Michael Ambühl

Michael Ambühl 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: 8673918
    Abstract: The present invention relates to stable compositions comprising a sphingosine 1 phosphate (S1P) receptor modulator, suitable for use as a dosage form. The S1P receptor modulators are typically sphingosine analogues, such as 2-substituted 2-amino-propane-1,3-diol or 2-amino-propanol derivatives, e.g. a compound comprising a group of formula Y.
    Type: Grant
    Filed: October 9, 2008
    Date of Patent: March 18, 2014
    Assignee: Novartis AG
    Inventors: Colleen Ruegger, Michael Ambühl
  • Publication number: 20120288559
    Abstract: The present invention provides various pharmaceutical compositions comprising an S1P receptor modulator, e.g. an S1P receptor agonist. In one aspect, there is provided a pharmaceutical composition having a coating. In other aspects, rapid disintegrating compositions are provided. In a further aspect, a pharmaceutical composition which is free of sugar alcohols is provided. In another aspect, the invention provides a pharmaceutical composition comprising a coating comprising an S1P receptor modulator.
    Type: Application
    Filed: July 19, 2012
    Publication date: November 15, 2012
    Inventors: Michael Ambühl, Jutta Beyer, Begona Carreno-Gomez, Colleen Ruegger, Stephen Valazza
  • Patent number: 8252310
    Abstract: The present invention relates to a new iron containing phosphate adsorbent and its use e.g. for treating hyperphosphataemia.
    Type: Grant
    Filed: December 10, 2007
    Date of Patent: August 28, 2012
    Assignee: Novartis AG
    Inventors: Michael Ambühl, Corine Gessier-Vial, Christa Hartmann, Daniel Kaufmann, Ernst Küsters, Ulrich Meier, Andreas Meyer, Nabila Sekkat
  • Publication number: 20120126440
    Abstract: The present invention relates to a new iron containing phosphate adsorbent and its use e.g. for treating hyperphosphataemia.
    Type: Application
    Filed: February 3, 2012
    Publication date: May 24, 2012
    Inventors: Michael Ambühl, Corine Gessier-Vial, Christa Hartmann, Daniel Kaufmann, Ernst Küsters, Ulrich Meier, Andreas Meyer, Nabila Sekkat
  • Publication number: 20110152201
    Abstract: This invention provides an emulsion, e.g., microemulsion, pre-concentrate comprising a difficultly soluble active agent and a carrier medium. The active agent may, e.g., be a cyclosporin or a macrolide.
    Type: Application
    Filed: February 28, 2011
    Publication date: June 23, 2011
    Inventors: Michael Ambühl, Barbara Lückel, Friedrich Richter, Barbara Häberlin, Armin Meinzer
  • Publication number: 20100215734
    Abstract: The present invention provides a pharmaceutical composition in solid form comprising a poorly water soluble drug, a solubilizing component, and a surfactant which is semisolid or solid. The poorly soluble drug may e.g. be a cyclosporin or a macrolide.
    Type: Application
    Filed: May 5, 2010
    Publication date: August 26, 2010
    Inventors: Michael Ambühl, Barbara Haeberlin, Barbara Lückel, Armin Meinzer, Olivier Lambert, Laurent Marchal
  • Publication number: 20090312441
    Abstract: A solid pharmaceutical composition comprising a poorly water soluble drug, a polymer which is solid at room temperature, and a disintegrant in an amount of less than 10% by weight, wherein the amounts by weight are based on the total weight of the composition.
    Type: Application
    Filed: December 20, 2005
    Publication date: December 17, 2009
    Applicant: NOVARTIS AG
    Inventors: Michael Ambühl, Dieter Becker, Olivier Lambert, Barbara Lückel