Patents by Inventor Christian Filser

Christian Filser 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).

  • Processes for preparing of glucopyranosyl-substituted benzyl-benzene derivatives
    Patent number: 9873714
    Abstract: The present invention relates to processes for preparing a glucopyranosyl-substituted benzyl-benzene derivative of general formula III, wherein R1 is defined according to claim 1.
    Type: Grant
    Filed: April 7, 2015
    Date of Patent: January 23, 2018
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Dirk Weber, Tobias Fiedler, Christian Filser, Rainer Hamm, Simone Orlich, Matthias Post, Svenja Renner, Xiao-Jun Wang, Thomas Wirth
  • PROCESSES FOR PREPARING OF GLUCOPYRANOSYL-SUBSTITUTED BENZYL-BENZENE DERIVATIVES
    Publication number: 20150218200
    Abstract: The present invention relates to processes for preparing a glucopyranosyl-substituted benzyl-benzene derivative of general formula III, wherein R1 is defined according to claim 1.
    Type: Application
    Filed: April 7, 2015
    Publication date: August 6, 2015
    Inventors: Dirk WEBER, Tobias FIEDLER, Christian FILSER, Rainer HAMM, Simone ORLICH, Matthias POST, Svenja RENNER, Xiao-Jun WANG, Thomas WIRTH
  • Processes for preparing of glucopyranosyl-substituted benzyl-benzene derivatives
    Patent number: 9024010
    Abstract: The present invention relates to processes for preparing a glucopyranosyl-substituted benzyl-benzene derivative of general formula III, wherein R1 is defined according to claim 1.
    Type: Grant
    Filed: September 28, 2010
    Date of Patent: May 5, 2015
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Dirk Weber, Tobias Fiedler, Christian Filser, Rainer Hamm, Simone Orlich, Matthias Post, Svenja Renner, Xiao-Jung Wang, Thomas Wirth
  • Method for producing an intermediate product of dabigatran etexilate
    Patent number: 8471033
    Abstract: The invention relates to a process for preparing the compound of formula 1 a valuable intermediate product in the synthesis of the pharmaceutical active substance dabigatran etexilate.
    Type: Grant
    Filed: June 12, 2009
    Date of Patent: June 25, 2013
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Christian Filser, Wolfgang Dersch, Rainer Hamm, Arndt Hausherr, Gunter Koch, Ulrich Scholz, Georg Zerban
  • PROCESSES FOR PREPARING OF GLUCOPYRANOSYL-SUBSTITUTED BENZYL-BENZENE DERIVATIVES
    Publication number: 20110237789
    Abstract: The present invention relates to processes for preparing a glucopyranosyl-substituted benzyl-benzene derivative of general formula III, wherein R1 is defined according to claim 1.
    Type: Application
    Filed: September 28, 2010
    Publication date: September 29, 2011
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Dirk WEBER, Tobias FIEDLER, Christian FILSER, Rainer HAMM, Simone ORLICH, Matthias POST, Svenja RENNER, Xiao-Jun WANG, Thomas WIRTH
  • METHOD FOR PRODUCING AN INTERMEDIATE PRODUCT OF DABIGATRAN ETEXILATE
    Publication number: 20110118471
    Abstract: The invention relates to a process for preparing the compound of formula 1 a valuable intermediate product in the synthesis of the pharmaceutical active substance dabigatran etexilate.
    Type: Application
    Filed: June 12, 2009
    Publication date: May 19, 2011
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Christian Filser, Wolfgang Dersch, Rainer Hamm, Arndt Hausherr, Gunter Koch, Ulrich Scholz, Georg Zerban