Patents by Inventor Zeno A. LEUTER

Zeno A. LEUTER 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).

  • Method of preparing chiral cyclic ?-aminocarboxamides
    Patent number: 8466318
    Abstract: The present invention encompasses a process for preparing compounds of formula (1), wherein a compound of formula (2) is reacted in the presence of a catalyst and a solvent under hydrogen pressure to form a compound of formula (1) and wherein A and R1—R4 are defined herein.
    Type: Grant
    Filed: May 15, 2007
    Date of Patent: June 18, 2013
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Guenter Linz, Gerd Kraemer, Zeno A. Leuter, Markus Ostermeier, Werner Rall, Claudia Ochs, Rolf Schmid
  • Process for the manufacturing of betamimetics
    Patent number: 8420809
    Abstract: The present invention relates to a process for preparing betamimetics of formula 1, wherein n denotes 1 or 2; R1 denotes hydrogen, halogen, C1-4-alkyl or O—C1-4-alkyl; R2 denotes hydrogen, halogen, C1-4-alkyl or O—C1-4-alkyl; R3 denotes hydrogen, C1-4-alkyl, OH, halogen, O—C1-4-alkyl, O—C1-4-alkylene-COOH, O—C1-4-alkylene-COO—C1-4-alkyl.
    Type: Grant
    Filed: February 7, 2011
    Date of Patent: April 16, 2013
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Thomas Krueger, Uwe Ries, Juergen Schnaubelt, Werner Rall, Zeno A. Leuter, Adil Duran, Rainer Soyka
  • PROCESS FOR THE MANUFACTURING OF BETAMIMETICS
    Publication number: 20110124859
    Abstract: The present invention relates to a process for preparing betamimetics of formula 1, wherein n denotes 1 or 2; R1 denotes hydrogen, halogen, C1-4-alkyl or O—C1-4-alkyl; R2 denotes hydrogen, halogen, C1-4-alkyl or O—C1-4-alkyl; R3 denotes hydrogen, C1-4-alkyl, OH, halogen, O—C1-4-alkyl, O—C1-4-alkylene-COOH, O—C1-4-alkylene-COO—C1-4-alkyl.
    Type: Application
    Filed: February 7, 2011
    Publication date: May 26, 2011
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Thomas KRUEGER, Uwe RIES, Juergen SCHNAUBELT, Werner RALL, Zeno A. LEUTER, Adil DURAN, Rainer SOYKA
  • PROCESS FOR THE MANUFACTURING OF BETAMIMETICS
    Publication number: 20070088160
    Abstract: The present invention relates to a process for preparing betamimetics of formula 1, wherein n denotes 1 or 2; R1 denotes hydrogen, halogen, C1-4-alkyl or O—C1-4-alkyl; R2 denotes hydrogen, halogen, C1-4-alkyl or O—C1-4-alkyl; R3 denotes hydrogen, C1-4-alkyl, OH, halogen, O—C1-4-alkyl, O—C1-4-alkylene-COOH, O—C1-4-alkylene-COO—C1-4-alkyl.
    Type: Application
    Filed: August 10, 2006
    Publication date: April 19, 2007
    Inventors: Thomas KRUEGER, Uwe Ries, Juergen Schnaubelt, Werner Rall, Zeno Leuter, Adil Duran, Rainer Soyka