Patents by Inventor Robert E. Ziegert-Knepper

Robert E. Ziegert-Knepper 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).

  • Crystalline form of rivaroxaban dihydrate
    Patent number: 9266868
    Abstract: Provided are a crystalline dihydrate of Rivaroxaban, processes for the preparation thereof, pharmaceutical compositions containing the crystalline dihydrate and processes for preparing and storing the pharmaceutical compositions. Also provided are a crystalline formic acid solvate of Rivaroxaban, processes for the preparation of crystalline Rivaroxaban formic acid solvate and the use of the Rivaroxaban formic acid solvate in the manufacture of the crystalline dihydrate of Rivaroxaban.
    Type: Grant
    Filed: July 5, 2011
    Date of Patent: February 23, 2016
    Assignee: SANDOZ AG
    Inventors: Johannes Ludescher, Hubert Sturm, Ulrich Griesser, Robert E. Ziegert-Knepper, Arthur Pichler, Mairi Haddow
  • CRYSTALLINE FORM OF RIVAROXABAN DIHYDRATE
    Publication number: 20130245017
    Abstract: The present invention relates to a novel crystalline dihydrate of Rivaroxaban, processes for the preparation thereof, pharmaceutical compositions comprising said crystalline dehydrate and to processes for preparing and storing said pharmaceutical compositions. The invention also relates to a crystalline formic acid solvate of Rivaroxaban, processes for the preparation of crystalline Rivaroxaban formic acid solvate and to the use of said Rivaroxaban formic acid solvate in the manufacture of the crystalline dihydrate of Rivaroxaban.
    Type: Application
    Filed: July 5, 2011
    Publication date: September 19, 2013
    Applicant: SANDOZ AG
    Inventors: Johannes Ludescher, Hubert Sturm, Ulrich Griesser, Robert E. Ziegert-Knepper, Arthur Pichler, Mairl Haddow