Patents by Inventor Hilmar Bischoff

Hilmar Bischoff 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: 6200971
    Abstract: The bicyclic heterocyclic compounds are prepared by reaction of correspondingly substituted carboxylic acids with amines, in particular with phenylglycinolamine. The bicyclic heterocyclic compounds according to the invention are suitable as active compounds in medicaments, in particular in medicaments having an antiatherosclerotic action.
    Type: Grant
    Filed: October 18, 1999
    Date of Patent: March 13, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Richard Connell, Siegfried Goldmann, Ulrich Müller, Stefan Lohmer, Hilmar Bischoff, Dirk Denzer, Rudi Gr{umlaut over (u )}tzmann, Stefan Wohlfeil
  • Patent number: 6194424
    Abstract: The new arylacetamides are obtained by first converting appropriately substituted arylacetic acids into the acetyl chlorides and then converting these into the amides using the appropriate amines. The new arylacetamides can be used as active compounds in medicaments, in particular in antiatherosclerotic medicaments.
    Type: Grant
    Filed: April 10, 1997
    Date of Patent: February 27, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter Eckenberg, Ulrich Müller, Rudi Grützmann, Hilmar Bischoff, Dirk Denzer, Ulrich Nielsch
  • Patent number: 6191157
    Abstract: The hetero-linked phenylglycinolamides are prepared by reaction of the corresponding hetero-linked phenylacetic acids with appropriate phenylglycinols. The hetero-linked phenylglycinolamides are suitable as active compounds in medicaments.
    Type: Grant
    Filed: December 4, 1998
    Date of Patent: February 20, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Siegfried Goldmann, Ulrich Müller, Richard Connell, Hilmar Bischoff, Dirk Denzer, Rudi Grützmann, Martin Beuck
  • Patent number: 6127383
    Abstract: The 2-aryl-substituted pyridines are prepared by reacting pyridylaldehydes with organometallic compounds and then selectively reducing the products. The 2-aryl-substituted pyridines are suitable as active compounds in medicaments, in particular in medicaments for the treatment of arteriosclerosis.
    Type: Grant
    Filed: December 21, 1998
    Date of Patent: October 3, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gunter Schmidt, Rolf Angerbauer, Arndt Brandes, Michael Logers, Matthias Muller-Gliemann, Hilmar Bischoff, Delf Schmidt, Stefan Wohlfeil
  • Patent number: 6121330
    Abstract: The novel 5-hydroxy-alkyl-substituted phenyls are prepared by either reacting the corresponding benzaldehydes with the Grignard compounds and subsequently reducing the other functional groups or by reducing the corresponding benzoic esters by customary methods to give the corresponding hydroxyl compounds. The 5-hydroxy-alkyl-substituted phenyls are suitable for use as active compounds in medicaments, in particular for the treatment of dyslipidaemia.
    Type: Grant
    Filed: September 2, 1999
    Date of Patent: September 19, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Matthias Muller-Gliemann, Rolf Angerbauer, Arndt Brandes, Michael Logers, Carsten Schmeck, Gunter Schmidt, Klaus-Dieter Bremm, Hilmar Bischoff, Delf Schmidt
  • Patent number: 6114341
    Abstract: The pyrimido[1,2-a]indoles according to the invention are prepared by reacting appropriately substituted phenylacetic acid derivatives with phenylglycinols. The pyrimido[1,2-a]indoles can be used as active compounds in medicaments, in particular in medicaments with antiatherosclerotic activity.
    Type: Grant
    Filed: March 31, 1997
    Date of Patent: September 5, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ulrich Muller, Peter Eckenberg, Rudi Grutzmann, Hilmar Bischoff, Dirk Denzer, Stefan Wohlfeil, Stefan Lohmer, Ulrich Nielsch, Peter Kolkhof
  • Patent number: 6069148
    Abstract: The cycloalkano-pyridines are prepared by reacting corresponding cycloalkano-pyridine-aldehydes with suitable organometallic compounds or Wittig or Grignard reagents or reacting compounds of the cycloalkano-pyridine alcohols type with suitable bromine compounds, and optionally varying the functional groups accordingly. The, cycloalkanopyridines are suitable as active compounds in medicaments, in particular in medicaments for the treatment of hyperlipoproteinaemia and arteriosclerosis.
    Type: Grant
    Filed: July 8, 1997
    Date of Patent: May 30, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gunter Schmidt, Arndt Brandes, Rolf Angerbauer, Michael Logers, Matthias Muller-Gliemann, Carsten Schmeck, Klaus-Dieter Bremm, Hilmar Bischoff, Delf Schmidt, Joachim Schuhmacher, Henry Giera, Holger Paulsen, Paul Naab, Michael Conrad, Jurgen Stoltefuss
  • Patent number: 6063788
    Abstract: Bicyclic-fused pyridines are prepared by introducing the appropriate side chain by reaction of the corresponding aldehydes with the aid of Wittig or Grignard reagents. The bicyclic-fused pyridines are suitable as active compounds in medicaments, in particular in medicaments for the treatment of arteriosclerosi.
    Type: Grant
    Filed: June 27, 1997
    Date of Patent: May 16, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Arndt Brandes, Michael Logers, Gunter Schmidt, Rolf Angerbauer, Carsten Schmeck, Klaus-Dieter Bremm, Hilmar Bischoff, Delf Schmidt, Joachim Schuhmacher
  • Patent number: 6034115
    Abstract: The indolyl-substituted phenylacetic acid derivatives are prepared by reacting the corresponding phenylacetic acids with the required amines. The indolyl-substituted phenylacetic acid derivatives are suitable as active compounds in medicaments, in particular in antiarteriosclerotic medicaments.
    Type: Grant
    Filed: December 9, 1996
    Date of Patent: March 7, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Richard Connell, Siegfried Goldmann, Ulrich Muller, Stefan Lohmer, Hilmar Bischoff, Dirk Denzer, Rudi Grutzmann, Stefan Wohlfeil
  • Patent number: 6025378
    Abstract: The bicyclic heterocyclic compounds are prepared by reaction of correspondingly substituted carboxylic acids with amines, in particular with phenylglycinolamine. The bicyclic heterocyclic compounds according to the invention are suitable as active compounds in medicaments, in particular in medicaments having an antiatherosclerotic action.
    Type: Grant
    Filed: June 18, 1998
    Date of Patent: February 15, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Richard Connell, Siegfried Goldmann, Ulrich Muller, Stefan Lohmer, Hilmar Bischoff, Dirk Denzer, Rudi Grutzmann, Stefan Wohlfeil
  • Patent number: 5935984
    Abstract: The heterocyclically substituted phenylglycinolamides are obtained by reaction of heterocyclically substituted phenylacetic acids with appropriate phenylglycinols. The heterocyclically substituted phenylglycinolamides are suitable as active compounds in medicaments, in particular in antiatherosclerotically active medicaments.
    Type: Grant
    Filed: April 10, 1997
    Date of Patent: August 10, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Siegfried Goldmann, Ulrich Muller, Richard Connell, Hilmar Bischoff, Dirk Denzer, Rudi Grutzmann, Martin Beuck
  • Patent number: 5932587
    Abstract: The heterocyclic-fused pyridines are prepared by reaction of the corresponding heterocyclic-fused pyridine aldehydes with appropriately substituted Grignard or Wittig reagents. The heterocyclic-fused pyridines are suitable as active compounds in medicaments, in particular in medicaments for the treatment of dislipidaemia and arteriosclerosis.
    Type: Grant
    Filed: June 27, 1997
    Date of Patent: August 3, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Carsten Schmeck, Matthias Muller-Gliemann, Gunter Schmidt, Arndt Brandes, Rolf Angerbauer, Michael Logers, Klaus-Dieter Bremm, Hilmar Bischoff, Delf Schmidt, Joachim Schuhmacher
  • Patent number: 5925645
    Abstract: The 2-aryl-substituted pyridines are prepared by reacting pyridylaldehydes with organometallic compounds and then selectively reducing the products. The 2-aryl-substituted pyridines are suitable as active compounds in medicaments, in particular in medicaments for the treatment of arteriosclerosis.
    Type: Grant
    Filed: March 13, 1997
    Date of Patent: July 20, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gunter Schmidt, Rolf Angerbauer, Arndt Brandes, Michael Logers, Matthias Muller-Gliemann, Hilmar Bischoff, Delf Schmidt, Stefan Wohlfeil
  • Patent number: 5925646
    Abstract: The heterocyclic aryl-, alkyl- and cycloalkylacetamides are prepared by reacting the appropriately substituted acetic acids with amines, if appropriate in complexed form. The heterocyclic aryl-, alkyl- and cycloalkylacetamides can be used as active compounds in medicaments, in particular in antiatherosclerotic medicaments.
    Type: Grant
    Filed: January 16, 1998
    Date of Patent: July 20, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Richard Connell, Siegfried Goldmann, Ulrich Muller, Martin Beuck, Hilmar Bischoff, Dirk Denzer, Rudi Grutzmann, Stefan Wohlfeil
  • Patent number: 5892114
    Abstract: The hetero-linked phenylglycinolamides are prepared by reaction of the corresponding hetero-linked phenylacetic acids with appropriate phenylglycinols. The hetero-linked phenylglycinolamides are suitable as active compounds in medicaments.
    Type: Grant
    Filed: April 10, 1997
    Date of Patent: April 6, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Siegfried Goldmann, Ulrich Muller, Richard Connell, Hilmar Bischoff, Dirk Denzer, Rudi Grutzmann, Martin Beuck
  • Patent number: 5861385
    Abstract: Substituted triols are prepared by reducing appropriately substituted carboxylic esters. The substituted triols can be used as active substances in medicaments.
    Type: Grant
    Filed: August 8, 1995
    Date of Patent: January 19, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Rolf Angerbauer, Peter Fey, Walter Hubsch, Thomas Philipps, deceased, Hilmar Bischoff, Hans-Peter Krause, Jorg Petersen von Gehr, Delf Schmidt
  • Patent number: 5849751
    Abstract: Amides and sulphonamides of benzylamines having heterocyclic substituents are prepared by first converting the corresponding carboxylic acids into the corresponding amines and then substituting these on the amine nitrogen in a corresponding manner. The new amides and sulphonamides of benzylamines having heterocyclic substituents can be used as active compounds in medicaments, in particular in antiatherosclerotic medicaments.
    Type: Grant
    Filed: July 3, 1996
    Date of Patent: December 15, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ulrich Muller, Richard Connell, Hilmar Bischoff, Dirk Denzer, Stefan Lohmer, Stefan Wohlfeil, Rudi Grutzmann
  • Patent number: 5849749
    Abstract: The 6-(hydroxymethyl-ethyl)pyridines are prepared by a process in which the 3-hydroxymethylpyridines which are hydroxyl-protected in the 6-position are oxidized to the 3-aldehyde, this is then converted into the corresponding oxoheptenoic acid derivative using a Wittig-Homer reaction, after this the oxo group is reduced to the hydroxyl group and then the isomers are separated by chromatography. The 6-(hydroxymethyl-ethyl)pyridines are suitable as active compounds in medicaments, in particular in medicaments having antiarteriosclerotic activity.
    Type: Grant
    Filed: June 27, 1997
    Date of Patent: December 15, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter Fey, Rolf Angerbauer, Delf Schmidt, Hilmar Bischoff, Wolfgang Kanhai, Martin Radtke, Wolfgang Karl
  • Patent number: 5811429
    Abstract: The bicyclic heterocyclic compounds are prepared by reaction of correspondingly substituted carboxylic acids with amines, in particular with phenylglycinolamine. The bicyclic heterocyclic compounds according to the invention are suitable as active compounds in medicaments, in particular in medicaments having an antiatherosclerotic action.
    Type: Grant
    Filed: December 9, 1996
    Date of Patent: September 22, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Richard Connell, Siegfried Goldmann, Ulrich Muller, Stefan Lohmer, Hilmar Bischoff, Dirk Denzer, Rudi Grutzmann, Stefan Wohlfeil
  • Patent number: 5786361
    Abstract: Compounds of the formula (I): ##STR1## are prepared by reaction of the phenylacetic acid derivatives substituted by the appropriate heterocycles, optionally in an activated form, with phenylglycinols. The compounds are suitable as active compounds in medicaments, in particular in medicaments having antiatherosclerotic activity.
    Type: Grant
    Filed: April 11, 1997
    Date of Patent: July 28, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ulrich Muller, Peter Eckenberg, Rudi Grutzmann, Hilmar Bischoff, Dirk Denzer, Ulrich Nielsch