Patents by Inventor Michael Oberhuber

Michael Oberhuber 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).

  • Process for the preparation of chiral hydrazides
    Patent number: 9199919
    Abstract: The present invention relates to a process for the preparation of a chiral compound according to formula (V) wherein R1 is preferably an alkyl residue preferably having from 1 to 6 carbon atoms, in particular to a process for the preparation of a chiral compound the crystalline chiral compounds as such, and their use for the preparation of an antifungal agent, in particular posaconazole.
    Type: Grant
    Filed: May 18, 2011
    Date of Patent: December 1, 2015
    Assignee: SANDOZ AG
    Inventors: Martin Albert, Dominic De Souza, Joerg Salchenegger, Michael Oberhuber
  • Process for the preparation of chiral triazolones
    Patent number: 9040539
    Abstract: A process for the preparation of a chiral compound, in particular posaconazole, wherein the process comprises mixing and reacting the compounds of formula (I) Y3—NH2; of formula (IIa) 0=C?N—Y0 and/or of formula (IIb) and of formula (III) in a solvent in any order to obtain a reaction mixture containing a chiral compound of formula (IV) and/or formula (V).
    Type: Grant
    Filed: May 18, 2011
    Date of Patent: May 26, 2015
    Assignee: SANDOZ AG
    Inventors: Michael Oberhuber, Joerg Salchenegger, Dominic De Souza, Martin Albert, Thorsten Wilhelm, Martin Langner, Hubert Sturm, Hans-Peter Spitzenstaetter
  • PROCESS FOR THE PREPARATION OF CHIRAL TRIAZOLONES
    Publication number: 20130210833
    Abstract: A process for the preparation of a chiral compound, in particular posaconazole, wherein the process comprises mixing and reacting the compounds of formula (I) Y3—NH2; of formula (IIa) 0=C?N—Y0 and/or of formula (IIb) and of formula (III) in a solvent in any order to obtain a reaction mixture containing a chiral compound of formula (IV) and/or formula (V).
    Type: Application
    Filed: May 18, 2011
    Publication date: August 15, 2013
    Applicant: Sandoz AG
    Inventors: Michael Oberhuber, Joerg Salchenegger, Dominic De Souza, Martin Albert, Thorsten Wilhelm, Martin Langner, Hubert Sturm, Hans-Peter Spitzenstaetter
  • PROCESS FOR THE PREPARATION OF CHIRAL HYDRAZIDES
    Publication number: 20130203993
    Abstract: The present invention relates to a process for the preparation of a chiral compound according to formula (V) wherein R1 is preferably an alkyl residue preferably having from 1 to 6 carbon atoms, in particular to a process for the preparation of a chiral compound the crystalline chiral compounds as such, and their use for the preparation of an antifungal agent, in particular posaconazole.
    Type: Application
    Filed: May 18, 2011
    Publication date: August 8, 2013
    Applicant: SANDOZ AG
    Inventors: Martin Albert, Dominic De Souza, Joerg Salchenegger, Michael Oberhuber