Patents by Inventor Norbert Hoefgen

Norbert Hoefgen 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).

  • (1,2,4)triazolo[4,3-A]quinoxaline derivatives as inhibitors of phosphodiesterases
    Patent number: 9540379
    Abstract: The invention relates to (1,2,4)triazolo[4,3-a]quinoxaline derivatives which are inhibitors of phosphodiesterase 2 and/or 10, useful in treating central nervous system diseases.
    Type: Grant
    Filed: January 30, 2012
    Date of Patent: January 10, 2017
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Hans-Joachim Lankau, Barbara Langen, Christian Grunwald, Norbert Hoefgen, Hans Stange, Rita Dost, Ure Egerland
  • (1,2,4)TRIAZOLO[4,3-A]QUINOXALINE DERIVATIVES AS INHIBITORS OF PHOSPHODIESTERASES
    Publication number: 20120302564
    Abstract: The invention relates to (1,2,4)triazolo[4,3-a]quinoxaline derivatives which are inhibitors of phosphodiesterase 2 and/or 10, useful in treating central nervous system diseases.
    Type: Application
    Filed: January 30, 2012
    Publication date: November 29, 2012
    Inventors: Hans-Joachim Lankau, Barbara Langen, Christian Grunwald, Norbert Hoefgen, Hans Stange, Rita Dost, Ure Egerland
  • Triazine derivatives as inhibitors of phosphodiesterases
    Publication number: 20100120762
    Abstract: The invention relates to triazine derivatives of formula (I): which are inhibitors of phosphodiesterase 2 or 10, useful in treating central nervous system diseases such as psychosis and also in treating, for example, obesity, type 2 diabetes, metabolic syndrome, glucose intolerance, and pain.
    Type: Application
    Filed: November 6, 2009
    Publication date: May 13, 2010
    Applicant: WYETH
    Inventors: Hans Stange, Barbara Langen, Ute Egerland, Norbert Hoefgen, Martina Priebs, Michael S. Malamas, James Joseph Erdei, Yike Ni
  • IMIDAZO[5,1-C][1,2,4]BENZOTRIAZINE DERIVATIVES AS INHIBITORS OF PHOSPHODIESTERASES
    Publication number: 20100120763
    Abstract: The invention relates to imidazo[5,1-c][1,2,4]benzotriazine derivatives of formula I: which are inhibitors of phosphodiesterase 2 or 10 useful in treating central nervous system diseases such as psychosis and also in treating, for example, obesity, type 2 diabetes, metabolic syndrome, glucose intolerance, and pain.
    Type: Application
    Filed: November 6, 2009
    Publication date: May 13, 2010
    Applicant: WYETH
    Inventors: Hans Stange, Barbara Langen, Ute Egerland, Norbert Hoefgen, Martina Priebs, Michael S. Malamas, James Joseph Erdei, Yike Ni