Patents by Inventor Kerstin Schlarb

Kerstin Schlarb 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: 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
  • 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
  • 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: 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: 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: 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: 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