Patents by Inventor Stefan Koser

Stefan Koser 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).

  • Publication number: 20060111553
    Abstract: Compounds of the formula and the salts thereof with physiologically tolerated acids and the stereoisomers thereof, in which the substituents have the meanings stated in the description, are described. Also disclosed are intermediates for their preparation. The compounds are suitable for controlling diseases.
    Type: Application
    Filed: October 25, 2004
    Publication date: May 25, 2006
    Inventors: Hans-Joachim Boehm, Stefan Koser, Helmut Mack, Thomas Pfeiffer, Werner Seitz, Hans Hoffken, Wilfried Hornberger
  • Patent number: 6900319
    Abstract: The invention relates to a compound of the formula I: or a salt thereof with a physiologically tolerated acid, or stereoisomers thereof, wherein R1, R2, A, B, C and D have the meanings described in the specification.
    Type: Grant
    Filed: March 19, 2002
    Date of Patent: May 31, 2005
    Assignee: Abbott GmbH & Co. KG
    Inventors: Hans-Joachim Boehm, Hans Wolfgang Höffken, Wilfried Hornberger, Stefan Koser, Helmut Mack, Thomas Pfeiffer, Werner Seitz, Thomas Zierke
  • Patent number: 6639081
    Abstract: The invention relates to processes for preparing 2-aminomethyl-4-cyanothiazole and its salts of the formulae Ia and Ib in which n=1 or 2 and for n=1, X is chloride, bromide, triflate and hydrogen sulfate and for n=2, X is sulfate, which comprises the process step where the aminonitrile of the formula II is stirred with a cysteine ester of the formula III, in which R1 is branched or linear C1-10-alkyl or where n=0, 1 or 2 and R2 is branched or linear C1-C10C10-alkyl or C1-C4-alkoxy or C1-C4-dialkylamino in an inert solvent in the presence of a base at from 0° C. to 80° C. until the reaction has essentially proceeded to completion, and to the compounds of the formulae Ia and Ib.
    Type: Grant
    Filed: April 30, 2002
    Date of Patent: October 28, 2003
    Assignee: Abbott GmbH & Ci, KG
    Inventors: Monika Knopp, Stefan Koser, Bernd Schaefer
  • Patent number: 6624333
    Abstract: A process for preparing bisphenol alkoxylates comprises reacting at least one bisphenol with alkylene oxide in the presence of a phosphine catalyst which is essentially free of alkali metal hydroxide.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: September 23, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Stefan Koser, Klaus Mundinger, Wolfgang Kasel, Arend Jouke Kingma, Toni Dockner
  • Publication number: 20030004308
    Abstract: Compounds of the formula 1
    Type: Application
    Filed: April 29, 2002
    Publication date: January 2, 2003
    Inventors: Hans-Joachim Bohm, Stefan Koser, Helmut Mack, Thomas Pfeiffer, Werner Seitz, Hans Wolfgang Hoffken, Wilfried Hornberger
  • Patent number: 6486162
    Abstract: The fumaric acid salt of 2-{3-[4-(2-t-butyl-6-trifluoromethyl-4-pyrimidinyl)-1-piperazinyl]propylthio}-4-pyrimidinol is useful for treating disorders which respond to dopamine D3 ligands. It has higher stability at low pH and is therefore particularly suitable for oral administration in pharmaceutical compositions comprising this salt.
    Type: Grant
    Filed: January 8, 2002
    Date of Patent: November 26, 2002
    Assignee: Abbott Laboratories
    Inventors: Thomas Höger, Dorothea Starck, Hans-Jorg Treiber, Stefan Koser, Bernd Schaefer, Marco Thyes, Stefan Blank
  • Publication number: 20020169318
    Abstract: The invention relates to a compound of the formula I 1
    Type: Application
    Filed: March 19, 2002
    Publication date: November 14, 2002
    Inventors: Hans-Joachim Bohm, Hans Wolfgang Hoffken, Wilfried Hornberger, Stefan Koser, Helmut Mack, Thomas Pfeiffer, Werner Seitz, Thomas Zierke
  • Publication number: 20020143179
    Abstract: The fumaric acid salt of 2-{3-[4-(2-t-butyl-6-trifluoromethyl-4-pyrimidinyl)-1-piperazinyl]propylthio}-4-pyrimidinol is useful for treating disorders which respond to dopamine D3 ligands. It has higher stability at low pH and is therefore particularly suitable for oral administration in pharmaceutical compositions comprising this salt.
    Type: Application
    Filed: January 8, 2002
    Publication date: October 3, 2002
    Inventors: Thomas Hoger, Dorothea Starck, Hans-Jorg Treiber, Bernd Schaefer, Stefan Koser, Marco Thyes, Stefan Blank
  • Patent number: 6455671
    Abstract: Compounds of the formula and the salts thereof with physiologically tolerated acids and the stereoisomers thereof, in which the substituents have the meanings stated in the description, are described. Also disclosed are intermediates for their preparation. The compounds are suitable for controlling diseases.
    Type: Grant
    Filed: December 16, 1996
    Date of Patent: September 24, 2002
    Assignee: Abbott Laboratories
    Inventors: Hans-Joachim Böhm, Stefan Koser, Helmut Mack, Thomas Pfeiffer, Werner Seitz, Hans Wolfgang Höffken, Wilfried Hornberger
  • Patent number: 6444817
    Abstract: Compounds of the formula where A, B, D, R1 and R2 have the meanings stated in the description, are described. The compounds are suitable for controlling diseases. The novel compounds are prepared via compounds of the formula H2N—CH2—G—M.
    Type: Grant
    Filed: October 8, 1999
    Date of Patent: September 3, 2002
    Assignee: Abbott Laboratories
    Inventors: Hans-Joachim Böhm, Hans Wolfgang Höffken, Wilfried Hornberger, Stefan Koser, Helmut Mack, Thomas Pfeiffer, Werner Seitz, Thomas Zierke
  • Publication number: 20010020022
    Abstract: The fumaric acid salt of 2-{3-[4-(2-t-butyl-6-trifluoromethyl-4-pyrimidinyl)-1-piperazinyl]propylthio}-4-pyrimidinol is useful for treating disorders which respond to dopamine D3 ligands. It has higher stability at low pH and is therefore particularly suitable for oral administration in pharmaceutical compositions comprising this salt.
    Type: Application
    Filed: February 10, 2000
    Publication date: September 6, 2001
    Inventors: STEFAN BLANK, DOROTHEA STARCK, HANS-JORG TREIBER, STEFAN KOSER, BERND SCHAFER, MARCO THYES, THOMAS HOGER
  • Patent number: 6234811
    Abstract: A process for preparing enantiomerically pure esters of the formula I (Ia and Ib) where the substituents have the following meanings: R1 hydrogen or substituted or unsubstituted C1-C6-alkyl, C1-C6-alkoxy or Cl-C6-alkanoyl, R2 and R3 independently of one another hydrogen or substituted or unsubstituted C1-C6-alkyl, C1-C6-alkoxy, C1-C6-alkanoyl, C1-C6-alkylthio, C1-C6-alkylsulfinyl or C1-C6-alkylsulfonyl, R4 and R5 R4≠R5 and independently of one another hydrogen or substituted or unsubstituted C1-C6-alkyl or R4 and R5 form together with the carbon atoms to which they are bonded a substituted or unsubstituted C3-C6-cycloalkylidene, R6 substituted or unsubstituted aryl, C1-C20-alkyl, C3-C20-alkenyl, C3-C20-alkynyl, C1-C20-alkoxy-C1-C20-alkyl comprises converting racemic compounds of the formula II, where the substituents R1 to R5 have the abovementioned meanings, with a lipase or esterase in the presence of vinyl esters of the formula III, wher
    Type: Grant
    Filed: June 14, 1999
    Date of Patent: May 22, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Friedhelm Balkenhohl, Stefan Koser, Nicholas John Holman
  • Patent number: 6225469
    Abstract: An improved process for the preparation of 1,2,4-triazolo[1,5-a]pyrimidine compounds comprising the reaction involving a compound of formula II and a compound of formula III in the presence of an oxidizing agent and a reducing agent, wherein a metal salt is added to form a complex with the oxidized reducing agent produced in the process, and this complex is separated from the desired product.
    Type: Grant
    Filed: February 17, 1999
    Date of Patent: May 1, 2001
    Assignee: Knoll Aktiengesellschaft
    Inventors: Nicholas John Holman, Stefan Koser
  • Patent number: 6177570
    Abstract: Bisimides of the formula I where R1, R2, R3 and R4 have the meanings stated in the description, are prepared in a process in which the corresponding dicarboxylic anhydrides of the formulae II and III R1—CO—O—CO—R2  (II) R3—CO—O—CO—R4  (III), are reacted with an amine of the formula H2N—R—NH2 in the presence of a tertiary amine.
    Type: Grant
    Filed: September 14, 1999
    Date of Patent: January 23, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolfgang Viergutz, Stefan Koser
  • Patent number: 6030972
    Abstract: Compounds of the formula ##STR1## where A, B, D, R.sup.1 and R.sup.2 have the meanings stated in the description, are described. The compounds are suitable for controlling diseases.The novel compounds are prepared via compounds of the formulaH.sub.2 N--CH.sub.
    Type: Grant
    Filed: July 30, 1997
    Date of Patent: February 29, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans-Joachim Bohm, Hans Wolfgang Hoffken, Wilfried Hornberger, Stefan Koser, Helmut Mack, Thomas Pfeiffer, Werner Seitz, Thomas Zierke
  • Patent number: 6011181
    Abstract: A process for reducing the level of tri-substituted phosphine, arsine and/or stibine oxide from a mixture comprising a desired product and at least one such oxide is provided, comprising the addition of a metal salt to the mixture to form a complex with the oxide, and removing the complex from the mixture. This process has particular utility for removing triphenylphosphine oxide from a mixture--a task that was previously hard to perform.
    Type: Grant
    Filed: December 17, 1997
    Date of Patent: January 4, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Arthur Mark Isola, Nicholas John Holman, Gerald Bernard Tometzki, John Paul Watts, Stefan Koser, Ralf Klintz, Peter Munster
  • Patent number: 5932567
    Abstract: Thrombin inhibitors of the formula ##STR1## where R.sup.1, A, B and D have the meaning indicated in the description, and intermediates for the preparation thereof are described.The compounds I are suitable for controlling diseases.
    Type: Grant
    Filed: July 30, 1997
    Date of Patent: August 3, 1999
    Assignee: BASF Aktiengesellschaft
    Inventors: Werner Seitz, Helmut Mack, Thomas Zierke, Hans-Joachim Bohm, Hans Wolfgang Hoffken, Stefan Koser, Thomas Pfeiffer, Wilfried Hornberger
  • Patent number: 5852051
    Abstract: Compounds of the formula I ##STR1## in which R.sup.1, A and B have the meanings stated in the description, and the preparation thereof are described. The novel compounds are suitable for controlling diseases.
    Type: Grant
    Filed: June 5, 1997
    Date of Patent: December 22, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans-Joachim Bohm, Stefan Koser, Helmut Mack, Thomas Pfeiffer, Werner Seitz, Hans Wolfgang Hoffken, Wilfried Hornberger, Thomas Zierke