Patents by Inventor Ulrich Buehmann

Ulrich Buehmann 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).

  • Quinoline, isoquinoline and phthalazine derivatives as antagonists of the gonadotropin-releasing hormone
    Patent number: 7378522
    Abstract: The invention relates to new quinoline, isoquinoline and phthalazine derivatives as antagonists of the gonadotropin-releasing hormone.
    Type: Grant
    Filed: July 23, 2004
    Date of Patent: May 27, 2008
    Assignee: Zentaris AG
    Inventors: Peter Strehlke, Peter Droescher, Ulrich Buehmann, Norbert Schmees, Peter Muhn, Holger Hess-Stumpp, Roland Kühne, Eckhard Guenther, Emmanuel Polymeropoulos, Antonius M. Ter Laak
  • Quinoline, isoquinoline and phthalazine derivatives as antagonists of the gonadotropin-releasing hormone
    Publication number: 20050004127
    Abstract: The invention relates to new quinoline, isoquinoline and phthalazine derivatives as antagonists of the gonadotropin-releasing hormone.
    Type: Application
    Filed: July 23, 2004
    Publication date: January 6, 2005
    Inventors: Peter Strehlke, Peter Droescher, Ulrich Buehmann, Norbert Schmees, Peter Muhn, Holger Hess-Stumpp, Roland Kuhne, Eckhard Guenther, Emmanuel Polymeropoulos, Antonius Ter Laak
  • Quinoline, isoquinoline and phthalazine derivatives as antagonists of the gonadotropin-releasing hormone
    Patent number: 6790858
    Abstract: The present invention relates to a compound of formula (I): where R1-R6, W, X, and Y are defined herein, a composition includung the compound of formula (I), and a method for, e.g., male birth control, including administering an effective amount of a compound of formula (I) to a patient in need thereof.
    Type: Grant
    Filed: February 21, 2002
    Date of Patent: September 14, 2004
    Assignee: Zentaris AG
    Inventors: Peter Strehlke, Peter Droescher, Ulrich Buehmann, Norbert Schmees, Peter Muhn, Holger Hess-Stumpp, Roland Kühne, Eckhard Guenther, Emmanuel Polymeropoulos, Antonius M. Ter Laak
  • Quinoline, isoquinoline and phthalazine derivatives as antagonists of the gonadotropin-releasing hormone
    Publication number: 20030105328
    Abstract: The invention relates to new quinoline, isoquinoline and phthalazine derivatives as antagonists of the gonadotropin-releasing hormone.
    Type: Application
    Filed: February 21, 2002
    Publication date: June 5, 2003
    Applicant: Schering AG
    Inventors: Peter Strehlke, Peter Droescher, Ulrich Buehmann, Norbert Schmees, Peter Muhn, Holger Hess-Stumpp, Ronald Kuhne, Eckhard Guenther, Emmanual Polymeropoulos, Antonius Ter Laak