Patents by Inventor Michael Schul

Michael Schul 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).

  • Process for preparing [4,6-bis-dimethylamino-2-[4-(4-trifluoromethylbenzoylamino)benzyl]pyrimidin-5-yl]acetic acid
    Patent number: 8859770
    Abstract: The present invention relates to a process for preparing a compound of formula (I).
    Type: Grant
    Filed: May 7, 2012
    Date of Patent: October 14, 2014
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Juan M. Rodriguez Dehli, Michael Schul, Christian Stange, Robert Hagenkoetter, Xiao-Jun Wang, Li Zhang, Oriol Massot
  • Process for preparing [4,6-bis-dimethylamino-2-[4-(4-trifluoromethylbenzoylamino)benzyl]pyrimidin-5-yl]acetic acid
    Publication number: 20140187779
    Abstract: The present invention relates to a process for preparing a compound of formula (I).
    Type: Application
    Filed: May 7, 2012
    Publication date: July 3, 2014
    Applicant: Boehringer Ingelheim International GmbH
    Inventors: Juan M Rodriguez Delhi, Michael Schul, Christian Stange, Robert HAagenkoetter, Xiao-Jun Wang, Li Zhang, Oriol Massot
  • PROCESS FOR PREPARING A POLYMORPH OF THE CHOLINE SALT OF A PYRIMIDIN-5-YL ACETIC ACID DERIVATIVE
    Publication number: 20110294828
    Abstract: Provided is a process for preparing a choline salt of [4,6-bis(dimethylamino)-2-(4-{[4-(trifluoromethyl)benzoyl]amino}benzyl)pyrimidin-5-yl]acetic acid. The process of the invention is useful for preparing the salt in purer forms of the salt. Also disclosed is a more pure form of the of choline salt of [4,6-bis(dimethylamino)-2-(4-{[4-(trifluoromethyl)benzoyl]amino}benzyl)pyrimidin-5-yl]acetic acid.
    Type: Application
    Filed: November 19, 2010
    Publication date: December 1, 2011
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Dhileepkumar Krishnamurthy, Juan Manuel Rodriguez Dehli, Michael Schul, Xiao-Jun Wang, Bing-Shiou Yang
  • PROCESS FOR THE MANUFACTURING OF BETA MIMETICS
    Publication number: 20100022770
    Abstract: The invention relates to a method for producing betamimetics of formula (1), wherein in which n represents 1 or 2; R1 represents hydrogen, halogen, C1-4-alkyl or O—C1-4-alkyl; R2 represents hydrogen, halogen, C1-4-alkyl or O—C1-4-alkyl and; R3 represents hydrogen, C1-4-alkyl, OH, halogen, O—C1-4-alkyl, O—C1-4-alkylene-COOH or O—C1-4-alkyl-lene-COO—C1-4-alkyl.
    Type: Application
    Filed: January 24, 2008
    Publication date: January 28, 2010
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Juan M. Rodriguez Dehli, Robert Hagenkoetter, Michael Schul, Christian Stange
  • Process for Preparing Quinazolinone Derivatives
    Publication number: 20080319194
    Abstract: The invention relates to a method for producing quinazolinone derivatives of general formula (I), wherein the radicals R1 to R3 have the meanings indicated in the claims and the description.
    Type: Application
    Filed: June 13, 2006
    Publication date: December 25, 2008
    Inventors: Albrecht Jacobi, Michael Schul
  • Process for preparing macrocyclic compounds
    Patent number: 7148347
    Abstract: Disclosed is a process for preparing a macrocyclic compound of the formula (I): which is carried out using an intermediate of the formula (II): wherein W, R1 through R4, D, A and R12 are as defined herein. The compounds of formula (I) are potent active agents for the treatment of hepatitis C virus (HCV) infection.
    Type: Grant
    Filed: April 6, 2004
    Date of Patent: December 12, 2006
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Joerg Brandenburg, Kai Donsbach, Hans-Dieter Ecker, Rogelio Perez Frutos, Fabrice Gallou, Dieter Gutheil, Nizar Haddad, Robert Hagenkoetter, Dirk Kemmer, Jutta Kroeber, Thomas Nicola, Juergen Schnaubelt, Michael Schul, Robert Donald Simpson, Xudong Wei, Eric Winter, Yibo Xu, Nathan K. Yee
  • Process for preparing macrocyclic compounds
    Publication number: 20050049187
    Abstract: Disclosed is a process for preparing a macrocyclic compound of the formula (I): which is carried out using an intermediate of the formula (II): wherein W, R1 through R4, D, A and R12 are as defined herein. The compounds of formula (I) are potent active agents for the treatment of hepatitis C virus (HCV) infection.
    Type: Application
    Filed: April 6, 2004
    Publication date: March 3, 2005
    Applicant: Boehringer Ingelheim International GmbH
    Inventors: Joerg Brandenburg, Kai Donsbach, Hans-Dieter Ecker, Rogelio Frutos, Fabrice Gallou, Dieter Gutheil, Nizar Haddad, Robert Hagenkoetter, Dirk Kemmer, Jutta Kroeber, Thomas Nicola, Juergen Schnaubelt, Michael Schul, Robert Simpson, Xudong Wei, Eric Winter, Yibo Xu, Nathan Yee