Patents by Inventor Ulrich Niewohner

Ulrich Niewohner 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: 20130059844
    Abstract: The 2-phenyl-substituted imidazotriazinones having short, unbranched alkyl radicals in the 9-position are prepared from the corresponding 2-phenyl-imidazotriazinones by chlorosulphonation and subsequent reaction with the amines. The compounds inhibit cGMP-metabolizing phosphodiesterases and are suitable for use as active compounds in pharmaceuticals, for the treatment of cardiovascular and cerebrovascular disorders and/or disorders of the urogenital system, in particular for the treatment of erectile dysfunction.
    Type: Application
    Filed: March 26, 2012
    Publication date: March 7, 2013
    Applicant: Bayer Schering Pharma Aktiengesellschaft
    Inventors: Ulrich Niewöhner, Mazen Es-Sayed, Helmut Haning, Thomas Schenke, Karl-Heinz Schlemmer, Jorg Keldenich, Erwin Bischoff, Elisabeth Perzborn, Klaus Dembowsky, Peter Serno, Marc Nowakowski
  • Publication number: 20110009367
    Abstract: The 2-phenyl-substituted imidazotriazinones having short, unbranched alkyl radicals in the 9-position are prepared from the corresponding 2-phenyl-imidazotriazinones by chlorosulphonation and subsequent reaction with the amines. The compounds inhibit cGMP-metabolizing phosphodiesterases and are suitable for use as active compounds in pharmaceuticals, for the treatment of cardiovascular and cerebrovascular disorders and/or disorders of the urogenital system, in particular for the treatment of erectile dysfunction.
    Type: Application
    Filed: March 4, 2010
    Publication date: January 13, 2011
    Applicant: Bayer Schering Pharma Aktiengesellschaft
    Inventors: Ulrich Niewöhner, Maria Niewöhner, Mazen Es-Sayed, Helmut Haning, Thomas Schenke, Karl-Heinz Schlemmer, Jörg Keldenich, Erwin Bischoff, Elisabeth Perzborn, Klaus Dembowsky, Peter Serno, Marc Nowakowski
  • Patent number: 7704999
    Abstract: The 2-phenyl-substituted imidazotriazinones having short, unbranched alkyl radicals in the 9-position are prepared from the corresponding 2-phenyl-imidazotriazinones by chlorosulphonation and subsequent reaction with the amines. The compounds inhibit cGMP-metabolizing phosphodiesterases and are suitable for use as active compounds in pharmaceuticals, for the treatment of cardiovascular and cerebrovascular disorders and/or disorders of the urogenital system, in particular for the treatment of erectile dysfunction.
    Type: Grant
    Filed: December 21, 2007
    Date of Patent: April 27, 2010
    Assignee: Bayer Schering Pharma Aktiengesellschaft
    Inventors: Ulrich Niewöhner, Maria Niewöhner, legal representative, Mazen Es-Sayed, Helmut Haning, Thomas Schenke, Karl-Heinz Schlemmer, Jörg Keldenich, Erwin Bischoff, Elisabeth Perzborn, Klaus Dembowsky, Peter Serno, Marc Nowakowski
  • Patent number: 7696206
    Abstract: The application claims a compound of the formula or a salt, a hydrate, or a hydrate of a salt thereof. The compounds inhibit cGMP-metabolizing phosphodiesterases and are suitable for use as active compounds in pharmaceuticals, for the treatment of erectile dysfunction.
    Type: Grant
    Filed: September 29, 2009
    Date of Patent: April 13, 2010
    Assignee: Bayer Schering Pharma Aktiengesellschaft
    Inventors: Ulrich Niewöhner, Maria Niewöhner, legal representative, Mazen Es-Sayed, Helmut Haning, Thomas Schenke, Karl-Heinz Schlemmer, Jorg Keldenich, Erwin Bischoff, Elisabeth Perzborn, Klaus Dembowsky, Peter Serno, Marc Nowakowski
  • Publication number: 20100016323
    Abstract: The application claims a compound of the formula or a salt, a hydrate, or a hydrate of a salt thereof. The compounds inhibit cGMP-metabolizing phosphodiesterases and are suitable for use as active compounds in pharmaceuticals, for the treatment of erectile dysfunction.
    Type: Application
    Filed: September 29, 2009
    Publication date: January 21, 2010
    Applicant: Bayer Schering Pharma Aktiengesellschaft
    Inventors: Ulrich Niewöhner, Maria Niewöhner, Mazen Es-Sayed, Helmut Haning, Thomas Schenke, Karl-Heinz Schlemmer, Jörg Keldenich, Erwin Bischoff, Elisabeth Perzborn, Klaus Dembowsky, Peter Serno, Marc Nowakowski
  • Patent number: 7514565
    Abstract: The invention relates to compounds of the formule
    Type: Grant
    Filed: December 15, 2006
    Date of Patent: April 7, 2009
    Assignee: Bayer AG
    Inventors: Jürgen Stoltefuβ, Siegfried Goldmann, Thomas Krämer, Karl-Heinz Schlemmer, Ulrich Niewöhner, Maria Niewöhner, Arnold Paeβens, Erwin Graef, Stefan Lottmann, Karl Deres, Olaf Weber, Jörn Stölting
  • Publication number: 20080113972
    Abstract: The 2-phenyl-substituted imidazotriazinones having short, unbranched alkyl radicals in the 9-position are prepared from the corresponding 2-phenyl-imidazotriazinones by chlorosulphonation and subsequent reaction with the amines. The compounds inhibit cGMP-metabolizing phosphodiesterases and are suitable for use as active compounds in pharmaceuticals, for the treatment of cardiovascular and cerebrovascular disorders and/or disorders of the urogenital system, in particular for the treatment of erectile dysfunction.
    Type: Application
    Filed: December 21, 2007
    Publication date: May 15, 2008
    Applicant: Bayer Aktiengesellschaft
    Inventors: Ulrich Niewohner, Mazen Es-Sayed, Helmut Haning, Thomas Schenke, Karl-Heinz Schlemmer, Jorg Keldenich, Erwin Bischoff, Elisabeth Perzborn, Klaus Dembowsky, Peter Serno, Marc Nowakowski, Maria Niewohner
  • Publication number: 20080096880
    Abstract: The invention relates to novel uses of imidazo[1,2,4]triazinones for producing a medicament for the treatment and/or prophylaxis of coronary cardiopathy, heart failure, pulmonary hypertension, bladder complaints, prostatic hyperplasia, nitrate-induced tolerance, or diseases of the eye, such as glaucoma, for the treatment or prophylaxis of central, retinal or posterior ciliary artery occlusion, central retinal vein occlusion, optical neuropathy, such as anterior ischaemic optical neuropathy and glaucomatous optical neuropathy, in addition to macular degeneration, diabetes, in particular diabetic gastroparesis, for the treatment of dysperistalsis of the stomach and oesophagus, female infertility, premature contractions, pre-eclampsia, alopecia, psoriasis associated with renal syndrome, cystic fibrosis, cancer and for improving cognition, powers of concentration, learning skills or hypermnesia, in particular if the disorder is a symptom of dementia.
    Type: Application
    Filed: June 24, 2003
    Publication date: April 24, 2008
    Applicant: Bayer Heakthcare AG
    Inventors: Helmut Haning, Erwin Bischoff, Ulrich Niewohner, Maria Niewohner
  • Publication number: 20080085897
    Abstract: The present invention relates to the use of known 2-phenyl-substituted imidazotriazinones having short, unbranched alkyl radicals in the 9-position and cGMP PDE-inhibitory properties for the treatment of cardiac insufficiency, cancer, bladder disorders, or prostate hyperplasia.
    Type: Application
    Filed: October 1, 2007
    Publication date: April 10, 2008
    Applicant: Bayer HealthCare AG
    Inventors: Ulrich Niewohner, Maria Niewohner, Erwin Bischoff, Helmut Haning, Afssaneh Rahbar, Tiemo-Joerg Bandel, Wolfgang Barth
  • Patent number: 7314871
    Abstract: The application claims a method for treating hypertension by administering an effective amount of a compound of the formula (I) wherein the variable groups are as defined in the specification and claims. These 2-phenyl-substituted imidazotriazinones having short, unbranched alkyl radicals in the 9-position are prepared from the corresponding 2-phenyl-imidazotriazinones by chlorosulphonation and subsequent reaction with the amines. The compounds inhibit cGMP-metabolizing phosphodiesterases and are suitable for use as active compounds in pharmaceuticals, for the treatment of cardiovascular and cerebrovascular disorders and/or disorders of the urogenital system, in particular for the treatment of erectile dysfunction.
    Type: Grant
    Filed: April 21, 2006
    Date of Patent: January 1, 2008
    Assignee: Bayer Aktiengesellschaft
    Inventors: Maria Niewöhner, legal representative, Mazen Es-Sayed, Helmut Haning, Thomas Schenke, Karl-Heinz Schlemmer, Jörg Keldenich, Erwin Bischoff, Elisabeth Perzborn, Klaus Dembowsky, Peter Serno, Marc Nowakowski, Ulrich Niewöhner, deceased
  • Patent number: 7276504
    Abstract: The present invention relates to the use of known 2-phenyl-substituted imidazotriazinones having short, unbranched alkyl radicals in the 9-position and cGMP PDE-inhibitory properties for the production of medicaments for the treatment of cardiac insufficiency, psoriasis, female infertility, cancer, diabetes, ophthalmic disorders such as glaucoma, disorders of gastric motility, cystic fibrosis, premature labour, pulmonary hypertension, bladder disorders, prostate hyperplasia, nitrate-induced tolerance, pre-eclampsia, alopecia, Parkinson's disease, pain, tinnitus or the renal syndrome.
    Type: Grant
    Filed: June 17, 2005
    Date of Patent: October 2, 2007
    Assignee: Bayer HealthCare AG
    Inventors: Maria Theresia Niewohner, legal representative, Erwin Bischoff, Helmut Haning, Afssaneh Rahbar, Tiemo-Joerg Bandel, Wolfgang Barth, Ulrich Niewohner, deceased
  • Publication number: 20070117812
    Abstract: The invention relates to compounds of the formulae
    Type: Application
    Filed: December 15, 2006
    Publication date: May 24, 2007
    Applicant: Bayer Aktiengesellschaft
    Inventors: Jurgen Stoltefuss, Siegfried Goldmann, Thomas Kramer, Karl-Heinz Schlemmer, Ulrich Niewohner, Maria Niewohner, Arnold Paessens, Erwin Graef, Stefan Lottmann, Karl Deres, Olaf Weber, Jorn Stolting
  • Patent number: 7202243
    Abstract: The invention relates to new substituted imidazotriazines, processes for their preparation and their use for the production of medicaments for the treatment and/or prophylaxis of cancer and neurodegenerative disorders, in particular of Parkinson's disease and of schizophrenia.
    Type: Grant
    Filed: June 25, 2003
    Date of Patent: April 10, 2007
    Assignee: Bayer HealthCare AG
    Inventors: Martin Hendrix, David Brückner, Arno Friedl, Irene Gerlach, Volker Hinz, Jörg Keldenich, Frank Mauler, Maria Niewöhner, legal representative, Dagmar Karthaus, Karl-Heinz Schlemmer, Adrian Tersteegen, Özkan Yalkinoglu, Ulrich Niewöhner, deceased
  • Publication number: 20060293326
    Abstract: The invention relates to 2-Heteroaryl-imidazotriazinones, processes for their preparation and their use in medicaments, esp. for the treatment and/or prophylaxis of inflammatory processes and/or immune diseases.
    Type: Application
    Filed: May 21, 2002
    Publication date: December 28, 2006
    Inventors: Cristina Alonso-Alija, Heike Gielen, Martin Hendrix, Ulrich Niewohner, Maria Niewohner, Dagmar Schauss, Hilmar Bischoff, Nils Burkhardt, Volker Geiss, Karl-Heinz Schlemmer, Nigel Cuthbert, Mary Fitzgerald, Graham Sturton
  • Patent number: 7122540
    Abstract: The 2-phenyl-substituted imidazotriazinones having short, unbranched alkyl radicals in the 9-position are prepared from the corresponding 2-phenyl-imidazotriazinones by chlorosulphonation and subsequent reaction with the amines. The compounds inhibit cGMP-metabolizing phosphodiesterases and are suitable for use as active compounds in pharmaceuticals, for the treatment of cardiovascular and cerebrovascular disorders and/or disorders of the urogenital system, in particular for the treatment of erectile dysfunction.
    Type: Grant
    Filed: August 20, 2004
    Date of Patent: October 17, 2006
    Assignee: Bayer HealthCare AG
    Inventors: Maria Niewöhner, legal representative, Mazen Es-Sayed, Helmut Haning, Thomas Schenke, Karl-Heinz Schlemmer, Jörg Keldenich, Erwin Bischoff, Elisabeth Perzborn, Klaus Dembowsky, Peter Semo, Marc Nowakowski, Ulrich Niewöhner, deceased
  • Patent number: 7115602
    Abstract: The invention relates to 7-(4-tert butyl-cyclohexyl)-imidazotriazinones, processes for their preparation and their use in medicaments, esp. for the treatment and/or prophylaxis of inflammatory processes and/or immune diseases.
    Type: Grant
    Filed: May 30, 2002
    Date of Patent: October 3, 2006
    Assignee: Bayer Aktiengesellschaft
    Inventors: Cristina Alonso-Alija, Heike Gielen, Martin Hendrix, Maria Niewöhner, Dagmar Schauss, Hilmar Bischoff, Nils Burkhardt, Volker Geiss, Karl-Heinz Schlemmer, Nigel J. Cuthbert, Mary F. Fitzgerald, Graham Sturton, Ulrich Niewöhner
  • Patent number: 7098207
    Abstract: Novel imidazotriazinones of general formula a method for the production and the pharmaceutical use thereof are disclosed.
    Type: Grant
    Filed: January 5, 2005
    Date of Patent: August 29, 2006
    Assignee: Bayer Pharmaceuticals Corporation
    Inventors: Maria Niewohner, legal representative, Mazen Es-Sayed, Thomas Lampe, Helmut Haning, Gunter Schmidt, Karl-Heinz Schlemmer, Erwin Bischoff, Klaus Dembowsky, Elisabeth Perzborn, Ulrich Niewohner, deceased
  • Publication number: 20060189615
    Abstract: The 2-phenyl-substituted imidazotriazinones having short, unbranched alkyl radicals in the 9-position are prepared from the corresponding 2-phenyl-imidazotriazinones by chlorosulphonation and subsequent reaction with the amines. The compounds inhibit cGMP-metabolizing phosphodiesterases and are suitable for use as active compounds in pharmaceuticals, for the treatment of cardiovascular and cerebrovascular disorders and/or disorders of the urogenital system, in particular for the treatment of erectile dysfunction.
    Type: Application
    Filed: April 21, 2006
    Publication date: August 24, 2006
    Applicant: Bayer Aktiengesellschaft
    Inventors: Ulrich Niewohner, Mazen Es-Sayed, Helmut Haning, Thomas Schenke, Karl-Heinz Schlemmer, Jorg Keldenich, Erwin Bischoff, Elisabeth Perzborn, Klaus Dembowsky, Peter Serno, Marc Nowakowski
  • Patent number: 7091203
    Abstract: The invention relates to imidazo[1,3,5]triazinones, a method for their production and methods of use, in particular as inhibitors of cyclic GMP metabolizing phosphodiesterases.
    Type: Grant
    Filed: July 15, 2004
    Date of Patent: August 15, 2006
    Assignee: Bayer Healthcare AG
    Inventors: Ulrich Niewöhner, Helmut Haning, Thomas Lampe, Mazen Es-Sayed, Gunter Schmidt, Erwin Bischoff, Klaus Dembowsky, Elisabeth Perzborn, Karl-Heinz Schlemmer
  • Patent number: 7087605
    Abstract: The invention relates to novel 5-Ethyl-imidazotriazinones, processes for their preparation and their use in medicaments, esp. for the treatment and/or prophylaxis of inflammatory processes and/or immune diseases.
    Type: Grant
    Filed: May 21, 2002
    Date of Patent: August 8, 2006
    Assignee: Bayer Aktiengesellschaft
    Inventors: Cristina Alonso-Alija, Heike Gielen, Martin Hendrix, Maria Theresia Niewohner, legal representative, Dagmar Schauss, Hilmar Bischoff, Nils Burkhardt, Volker Geiss, Karl-Heinz Schlemmer, Nigel J. Cuthbert, Mary F. Fitzgerald, Richard Graham Sturton, Martin Michels, Ulrich Niewohner, deceased