Patents by Inventor Guenter Billen

Guenter Billen 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).

  • SUBSTITUTED 8-AMINOALKYLTHIOXANTHINES, AND THEIR USE AS INHIBITORS OF DIPEPTIDYL PEPTIDASE IV
    Publication number: 20070265284
    Abstract: The invention 8-aminothioxanthines and the derivatives of formula I wherein the various R groups and substituents are comprised of a number of different (C1-C10)-alkyl, cycloalkyl, aryl, alkene, alkyne, etc.
    Type: Application
    Filed: January 11, 2007
    Publication date: November 15, 2007
    Applicant: SANOFI-AVENTIS DEUTSCHLAND GMBH
    Inventors: Karl Schoenafinger, Gerhard Jaehne, Elisabeth Defossa, Guenter Billen, Christian Buning, Georg Tschank, Ulrich Werner
  • METHOD FOR PRODUCING ENANTIOMERIC FORM OF 2,3-DIAMINOPROPIONIC ACID DERIVATIVES
    Publication number: 20070238778
    Abstract: The invention relates to a method for producing enantiomeris form of 2,3-diaminopropionic acid derivatives of formula (I) by asymetric hydrogenation from compounds of formula (II).
    Type: Application
    Filed: January 10, 2007
    Publication date: October 11, 2007
    Applicant: SANOFI-AVENTIS DEUTSCHLAND GMBH
    Inventors: Joerg Rieke-Zapp, Guenter Billen
  • PROCESS FOR THE PREPARATION OF DIPHENYL AZETIDINONE DERIVATIVES
    Publication number: 20070149501
    Abstract: The present invention is a process for the preparation of diphenylazetidinone derivatives of the formula (I) or forms thereof comprising the substituents X, R1 and/or R2 as defined herein. More specifically, the invention comprises methods for the preparation of these compounds by cyclization of certain ?-amino carboxamides or ?-amino carboxylic esters. These diphenylazetidinone compounds are useful in the treatment of high blood serum cholesterol levels and the maintenance of the reduced cholesterol levels achieved thereby.
    Type: Application
    Filed: November 7, 2006
    Publication date: June 28, 2007
    Applicant: SANOFI-AVENTIS DEUTSCHLAND GMBH
    Inventors: Joachim- Heiner Jendralla, Guenter Billen, Wendelin Frick, Bernd Junker, Theodor Wollman
  • METHOD FOR PRODUCING 1,4-DIPHENYL AZETIDINONE DERIVATIVES
    Publication number: 20070149776
    Abstract: The present invention is directed to the preparation of novel compounds useful in the treatment of hyperlipidemia, arteriosclerosis, hypercholesterolemia, and other related metabolic disorders.
    Type: Application
    Filed: November 20, 2006
    Publication date: June 28, 2007
    Applicant: SANOFI-AVENTIS DEUTSCHLAND GMBH
    Inventors: Andreas LINDENSCHMIDT, David WILL, Gerhard JAEHNE, Theodor WOLLMANN, Wendelin FRICK, Bernd JUNKER, David RIGAL, Guenter BILLEN, Heiner JENDRALLA
  • Substituted diaminocarboxylic acids
    Patent number: 6355673
    Abstract: Compounds of formula (I) are suitable for the production of pharmaceuticals for the prophylaxis and therapy of disorders in the course of which an increased activity of matrix-degrading metalloproteinases is involved
    Type: Grant
    Filed: October 18, 2000
    Date of Patent: March 12, 2002
    Assignee: Aventis Pharma Deutschland GmbH
    Inventors: Werner Thorwart, Wilfried Schwab, Manfred Schudok, Burkhard Haase, Bernhard Neises, Günter Billen