Patents by Inventor Berthold Schenkel

Berthold Schenkel 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: 7709657
    Abstract: The present invention provides an efficient, safe and cost effective way to prepare 5-(4-methyl-1H-imidazol-1-yl)-3-(trifluoromethyl)-benzenamine which is an intermediate for the preparation of substituted pyrimidinylaminobenzamides of formula (II):
    Type: Grant
    Filed: June 7, 2006
    Date of Patent: May 4, 2010
    Assignee: Novartis AG
    Inventors: Murat Acemoglu, Berthold Schenkel, Wen-Chung Shieh, Song Xue, Erich Widmer, Pedro Garcia Fuentes, Jose Martin Medina, Francisco Vicente BaƱos
  • Publication number: 20080200691
    Abstract: The present invention provides an efficient, safe and cost effective way to prepare 5-(4-methyl-1H-imidazol-1-yl)-3-(trifluoromethyl)-benzenamine which is an intermediate for the preparation of substituted pyrimidinylaminobenzamides of formula (II):
    Type: Application
    Filed: June 7, 2006
    Publication date: August 21, 2008
    Inventors: Murat Acemoglu, Berthold Schenkel, Wen-Chung Shieh, Song Xue, Erich Widmer, Pedro Garcia Fuentes, Jose Martin Medina, Francisco Vicente Banos
  • Publication number: 20070078258
    Abstract: This invention a process for purifying a cyclosporin, e.g. cyclosporin A, or a macrolide, to a high degree of purity on a large scale. In another aspect this invention provides a bulk quantity of cyclosporin A with an impurity level of less than about 0.7%, e.g. about 0.5%, and composition thereof.
    Type: Application
    Filed: November 3, 2006
    Publication date: April 5, 2007
    Inventors: Peter Fuenfschilling, Berthold Schenkel
  • Patent number: 7148346
    Abstract: This invention provides a process for purifying a cyclosporin, e.g. cyclosporin A, or a macrolide, to a high degree of purity on a large scale. In another aspect this invention provides a bulk quantity of cyclosporin A with an impurity level of less than about 0.7%, e.g. about 0.5%, and compositions thereof.
    Type: Grant
    Filed: July 23, 2003
    Date of Patent: December 12, 2006
    Assignee: Novartis AG
    Inventors: Peter Fuenfschilling, Berthold Schenkel
  • Publication number: 20050072736
    Abstract: This invention provides a process for purifying a cyclosporin, e.g. cyclosporin A, or a macrolide, to a high degree of purity on a large scale. In another aspect this invention provides a bulk quantity of cyclosporin A with an impurity level of less than about 0.7%, e.g. about 0.5%, and compositions thereof.
    Type: Application
    Filed: July 23, 2003
    Publication date: April 7, 2005
    Inventors: Peter Fuenfschilling, Berthold Schenkel
  • Publication number: 20040050782
    Abstract: This invention provides a process for purifying a cyclosporin, e.g. cyclosporin A, or a macrolide, to a high degree of purity on a large scale. In another aspect this invention provides a bulk quantity of cyclosporin A with an impurity level of less than about 0.7%, e.g. about 0.5%, and compositions thereof.
    Type: Application
    Filed: July 23, 2003
    Publication date: March 18, 2004
    Inventors: Peter Fuenfschilling, Berthold Schenkel
  • Patent number: 6620325
    Abstract: This invention provides a process for purifying a cyclosporin, e.g. cyclosporin A, or a macrolide, to a high degree of purity on a large scale. In another aspect this invention provides a bulk quantity of cyclosporin A with an impurity level of less than about 0.7%, e.g. about 0.5%, and compositions thereof.
    Type: Grant
    Filed: October 29, 2001
    Date of Patent: September 16, 2003
    Assignee: Novartis AG
    Inventors: Peter Fuenfschilling, Berthold Schenkel
  • Publication number: 20020128470
    Abstract: This invention provides a process for purifying a cyclosporin, e.g. cyclosporin A, or a macrolide, to a high degree of purity on a large scale. In another aspect this invention provides a bulk quantity of cyclosporin A with an impurity level of less than about 0.7%, e.g. about 0.5%, and compositions thereof.
    Type: Application
    Filed: October 29, 2001
    Publication date: September 12, 2002
    Inventors: Peter Fuenfschilling, Berthold Schenkel