Patents by Inventor Rainer Hamm

Rainer Hamm 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).

  • 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
  • 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
  • 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
  • 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
  • Patent number: 8354543
    Abstract: The invention relates to a process for preparing an optionally substituted 4-benzimidazol-2-ylmethylamino)-benzamidine, characterized in that (a) an optionally correspondingly substituted diaminobenzene is condensed with 2-[4-(1,2,4-oxadiazol-5-on-3-yl)-phenylamino]-acetic acid, (b) i) the product thus obtained is hydrogenated and ii) optionally the amidino group is carbonylated, without isolating the intermediate product of the hydrogenation beforehand; as well as a process for preparing a salt of an optionally substituted 4-(benzimidazol-2-ylmethylamino)-benzamidine, wherein (a) an optionally correspondingly substituted diaminobenzene is condensed with 2-[4-(1,2,4-oxadiazol-5-on-3-yl)-phenylamino]-acetic acid, (b) the product thus obtained is hydrogenated, and (c) i) optionally the amidino group is carbonylated and ii) without prior isolation of the intermediate product of the carbonylation the desired salt is isolated.
    Type: Grant
    Filed: April 29, 2010
    Date of Patent: January 15, 2013
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Georg Zerban, Arndt Hausherr, Kerstin Schlarb, Rainer Hamm, Gunter Koch, Bjoem Weyell, Heinz-Peter Schmitt
  • 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
  • Patent number: 8008495
    Abstract: The invention relates to a new process for preparing tiotropium salts of general formula 1 wherein X? may have the meanings given in the claims and in the specification.
    Type: Grant
    Filed: January 5, 2009
    Date of Patent: August 30, 2011
    Assignee: Boehringer Ingelheim Pharma GmbH & Co. KG
    Inventors: Ralf Lock, Werner Belzer, Rainer Hamm, Monika Hofmann
  • 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
  • Patent number: 7880016
    Abstract: The invention relates to a process for preparing a salt of an optionally substituted 4-benzimidazol-2-ylmethylamino)-benzamidine, characterised in that (a) an optionally correspondingly substituted diaminobenzene is condensed with 2-[4-(1,2,4-oxadiazol-5-on-3-yl)-phenylamino]-acetic acid, b) i) the product thus obtained is hydrogenated, ii) optionally the amidino group is carbonylated, without isolating the intermediate product of the hydrogenation beforehand and iii) without prior isolation of the intermediate product of the carbonylation the desired salt is isolated.
    Type: Grant
    Filed: December 21, 2006
    Date of Patent: February 1, 2011
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Georg Zerban, Arndt Hausherr, Kerstin Schlarb, Rainer Hamm, Gunter Koch, Bjoern Weyell, Heinz-Peter Schmitt
  • Publication number: 20100210845
    Abstract: The invention relates to a process for preparing an optionally substituted 4-benzimidazol-2-ylmethylamino)-benzamidine, characterised in that (a) an optionally correspondingly substituted diaminobenzene is condensed with 2-[4-(1,2,4-oxadiazol-5-on-3-yl)-phenylamino]-acetic acid, (b) i) the product thus obtained is hydrogenated and ii) optionally the amidino group is carbonylated, without isolating the intermediate product of the hydrogenation beforehand; as well as a process for preparing a salt of an optionally substituted 4-(benzimidazol-2-ylmethylamino)-benzamidine, wherein (a) an optionally correspondingly substituted diaminobenzene is condensed with 2-[4-(1,2,4-oxadiazol-5-on-3-yl)-phenylamino]-acetic acid, (b) the product thus obtained is hydrogenated, and (c) i) optionally the amidino group is carbonylated and ii) without prior isolation of the intermediate product of the carbonylation the desired salt is isolated.
    Type: Application
    Filed: April 29, 2010
    Publication date: August 19, 2010
    Applicant: BOERINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Georg ZERBAN, Arndt HAUSHERR, Kerstin SCHLARB, Rainer HAMM, Gunter KOCH, Bjoem WEYELL, Heinz-Peter SCHMITT
  • Publication number: 20090118511
    Abstract: The invention relates to a new process for preparing tiotropium salts of general formula 1 wherein X? may have the meanings given in the claims and in the specification.
    Type: Application
    Filed: January 5, 2009
    Publication date: May 7, 2009
    Applicant: BOEHRINGER INGELHEIM PHARMA GMBH & CO., KG
    Inventors: Ralf LOCK, Werner BELZER, Rainer HAMM, Monika HOFMANN
  • Patent number: 7491824
    Abstract: The invention relates to a new process for preparing tiotropium salts of general formula 1 wherein X? may have the meanings given in the claims and in the specification.
    Type: Grant
    Filed: August 23, 2005
    Date of Patent: February 17, 2009
    Assignee: Boehringer Ingelheim Pharma GmbH & Co., KG
    Inventors: Ralf Lock, Werner Belzer, Rainer Hamm, Monika Hofmann
  • Patent number: 7459566
    Abstract: A process for preparing an optionally substituted 4-benzimidazol-2-ylmethylamino)benzamidine, the process comprising: (a) condensing an optionally suitably substituted diaminobenzene with 2-[4-(1,2,4-oxadiazol-5-on-3-yl)phenylamino]acetic acid; (b) hydrogenating the product obtained from step (a); and (c) optionally carboxylating the amidino group of the product obtained from step (b).
    Type: Grant
    Filed: March 2, 2007
    Date of Patent: December 2, 2008
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Georg Zerban, Arndt Hausherr, Kerstin Schlarb, Heinz-Peter Schmitt, Bjoern Weyell, Gunter Koch, Rainer Hamm
  • Publication number: 20070185173
    Abstract: The invention relates to a process for preparing a salt of an optionally substituted 4-benzimidazol-2-ylmethylamino)-benzamidine, characterised in that (a) an optionally correspondingly substituted diaminobenzene is condensed with 2-[4-(1,2,4-oxadiazol-5-on-3-yl)-phenylamino]-acetic acid, b) i) the product thus obtained is hydrogenated, ii) optionally the amidino group is carbonylated, without isolating the intermediate product of the hydrogenation beforehand and iii) without prior isolation of the intermediate product of the carbonylation the desired salt is isolated.
    Type: Application
    Filed: December 21, 2006
    Publication date: August 9, 2007
    Inventors: Georg Zerban, Arndt Hausherr, Kerstin Schlarb, Rainer Hamm, Gunter Koch, Bjoern Weyell, Heinz-Peter Schmitt
  • Publication number: 20070185333
    Abstract: The invention relates to a process for preparing an optionally substituted 4-benzimidazol-2-ylmethylamino)-benzamidine, characterised in that (a) an optionally correspondingly substituted diaminobenzene is condensed with 2-[4-(1,2,4-oxadiazol-5-on-3-yl)-phenylamino]-acetic acid, (b) i) the product thus obtained is hydrogenated and ii) optionally the amidino group is carbonylated, without isolating the intermediate product of the hydrogenation beforehand; as well as a process for preparing a salt of an optionally substituted 4-(benzimidazol-2-ylmethylamino)-benzamidine, wherein (a) an optionally correspondingly substituted diaminobenzene is condensed with 2-[4-(1,2,4-oxadiazol-5-on-3-yl)-phenylamino]-acetic acid, (b) the product thus obtained is hydrogenated, and (c) i) optionally the amidino group is carbonylated and ii) without prior isolation of the intermediate product of the carbonylation the desired salt is isolated.
    Type: Application
    Filed: December 21, 2006
    Publication date: August 9, 2007
    Inventors: Georg Zerban, Arndt Hausherr, Kerstin Schlarb, Rainer Hamm, Gunter Koch, Bjoern Weyell, Heinz-Peter Schmitt
  • Publication number: 20070149589
    Abstract: A process for preparing an optionally substituted 4-benzimidazol-2 -ylmethylamino)benzamidine, the process comprising: (a) condensing an optionally suitably substituted diaminobenzene with 2-[4-(1,2,4 -oxadiazol-5-on-3-yl)phenylamino]acetic acid; (b) hydrogenating the product obtained from step (a); and (c) optionally carboxylating the amidino group of the product obtained from step (b).
    Type: Application
    Filed: March 2, 2007
    Publication date: June 28, 2007
    Applicant: Boehringer Ingelheim International GmbH
    Inventors: Georg Zerban, Arndt Hausherr, Kerstin Schlarb, Heinz-Peter Schmitt, Bjoern Weyell, Gunter Koch, Rainer Hamm
  • Patent number: 7202368
    Abstract: A process for preparing an optionally substituted 4-benzimidazol-2-ylmethylamino)benzamidine, the process comprising: (a) condensing an optionally suitably substituted diaminobenzene with 2-[4-(1,2,4-oxadiazol-5-on-3-yl)phenylamino]acetic acid; (b) hydrogenating the product obtained from step (a); and (c) optionally carboxylating the amidino group of the product obtained from step (b).
    Type: Grant
    Filed: June 9, 2005
    Date of Patent: April 10, 2007
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Georg Zerban, Arndt Hausherr, Kerstin Schlarb, Heinz-Peter Schmitt, Bjoern Weyell, Gunter Koch, Rainer Hamm
  • Publication number: 20060047120
    Abstract: The invention relates to a new process for preparing tiotropium salts of general formula 1 wherein X? may have the meanings given in the claims and in the specification.
    Type: Application
    Filed: August 23, 2005
    Publication date: March 2, 2006
    Applicant: Boehringer Ingelheim Pharma GmbH & Co., KG
    Inventors: Ralf Lock, Werner Belzer, Rainer Hamm, Monika Hofmann
  • Publication number: 20060004064
    Abstract: A process for preparing an optionally substituted 4-benzimidazol-2-ylmethylamino)benzamidine, the process comprising: (a) condensing an optionally suitably substituted diaminobenzene with 2-[4-(1,2,4-oxadiazol-5-on-3-yl)phenylamino]acetic acid; (b) hydrogenating the product obtained from step (a); and (c) optionally carboxylating the amidino group of the product obtained from step (b).
    Type: Application
    Filed: June 9, 2005
    Publication date: January 5, 2006
    Applicant: Boehringer Ingelheim International GmbH
    Inventors: Georg Zerban, Arndt Hausherr, Kerstin Schlarb, Heinz-Peter Schmitt, Bjoern Weyell, Gunter Koch, Rainer Hamm
  • Patent number: 6861547
    Abstract: The invention relates to a process suitable for large-scale industrial use for preparing compounds of general formula (I) wherein: R1 denotes a group selected from among methyl, ethyl, propyl, cyclopentyl, cyclohexyl, phenyl, benzyl and —C(Me2)phenyl, each of which is optionally mono-, di- or trisubstituted by hydroxy; and, R2 denotes a group selected from among methyl, ethyl, propyl and benzyl.
    Type: Grant
    Filed: May 5, 2002
    Date of Patent: March 1, 2005
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Joerg Brandenburg, Rolf Schmid, Rainer Soyka, Ralf Anderskewitz, Rolf Bauer, Rainer Hamm, Jutta Kroeber