Patents by Inventor Stefan Weigand

Stefan Weigand 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: 6903089
    Abstract: The invention relates to novel pyrazolopyridine derivatives of formula (I) wherein R1 represents NH2 or NHCO-C1-6-alkyl, and R2 represents a radical of formula R3NCOR4 which is bonded to the remainder of the molecule by means of the nitrogen atom, R3 and R4 forming, together with the amide group to which they are bonded, a five to seven-membered heterocycle which may be saturated or partially unsaturated, may optionally contain a further heteroatom selected from the group N, O, and S and may comprise between one and five other substituents chosen from oxo, C1-6alkyl, hydroxyl, hydroxy-C1-6-alkyl, halogen, or may be fused to a C6-10 ARYL ring or a C3-8 cycloalkyl ring in which optionally two carbon atoms are bonded to each other by means of an oxygen atom.
    Type: Grant
    Filed: November 9, 2001
    Date of Patent: June 7, 2005
    Assignee: Bayer Aktiengesellschaft
    Inventors: Johannes-Peter Stasch, Achim Feurer, Stefan Weigand, Elke Stahl, Dietmar Flubacher, Cristina Alonso-Alija, Frank Wunder, Dieter Lang, Klaus Dembowsky, Alexander Straub, Elisabeth Perzborn
  • Publication number: 20050038101
    Abstract: The invention relates to compounds of formula (I), to a method for the production thereof, and to the use of the same as pharmaceuticals for the treatment of diseases in humans and/or animals.
    Type: Application
    Filed: September 16, 2002
    Publication date: February 17, 2005
    Inventors: Jens-Kerim Erguden, Thomas Krahn, Christian Schroder, Johannes-Peter Stasch, Stefan Weigand, Hanno Wild, Michael Brands
  • Publication number: 20040259888
    Abstract: The invention relates to compounds of formula (I), a method for the production thereof in addition to the use thereof as medicaments.
    Type: Application
    Filed: July 19, 2004
    Publication date: December 23, 2004
    Inventors: Erwin Bischoff, Markus Hauswald, Peter Nell, Susanne Rohrig, Karl-Heinz Schlemmer, Henning Steinhagen, Jurgen Stoltefub, Stefan Weigand
  • Publication number: 20040235863
    Abstract: The invention relates to novel pyrazolopyridine derivatives of formula (I), wherein R1 represents (a) or (b) and n represents 1 or 2 and R2 represents H NH2. The invention also relates to salts, isomers and hydrates thereof as stimulators for soluble guanylate cyclase and to their use as agents in the treatment of cardiovascular diseases, hypertonicity, thrombo-embolic diseases and ischemia, sexual dysfunction or inflammations and for the treatment of diseases of the central nervous system.
    Type: Application
    Filed: June 28, 2004
    Publication date: November 25, 2004
    Inventors: Achim Feurer, Dietmar Flubacher, Stefan Weigand, Johannes-Peter Stasch, Elke Stahl, Thomas Schenke, Cristina Alonso-Alija, Frank Wunder, Dieter Lang, Klaus Dembowsky, Alexander Straub, Elisabeth Perzborn
  • Publication number: 20040176446
    Abstract: The invention relates to compounds of formula (I), to salts and stereoisomers thereof, to their production and to their use for producing medicaments used for treating cardiovascular diseases.
    Type: Application
    Filed: April 12, 2004
    Publication date: September 9, 2004
    Inventors: Cristina Alonso-Alija, Michael Harter, Michael Hahn, Josef Pernerstorfer, Stefan Weigand, Johannes-Peter Stasch, Frank Wunder
  • Publication number: 20040171832
    Abstract: The invention relates to novel pyrazol pyridine derivatives of formula (I), wherein R1 signifies a radical of formula —O—SO2—R3, R3 represents a radical from the group consisting of optionally substituted C1-6-alkyl, optionally substituted C3-8-cycloalkyl, or optionally substituted phenyl, R2 represents H or optionally substituted C1-6-alkyl-SO2—; in addition to the salts, isomers and hydrates thereof, as stimulators of soluble guanylate cyclase, and to the use thereof as agents for treating cardio-vascular diseases, hypertonia, thromboembolic diseases and ischaemia, sexual dysfunction or inflammations and for treating diseases of the central nervous system 1
    Type: Application
    Filed: April 22, 2004
    Publication date: September 2, 2004
    Inventors: Johannes- Peter Stasch, Achim Feurer, Stefan Weigand, Elke Stahl, Dietmar Flubacher, Cristina Alonso-Alija, Frank Wunder, Dieter Lang, Klaus Dembowsky, Alexander Straub, Elisabeth Perzborn
  • Publication number: 20040082596
    Abstract: The invention relates to novel pyrazolopyridine derivatives of the formula (I), wherein R1 represents hydrogen or a di-C1-6-alkylaminocarbonyl group, R2 represents a rest of the formula —O—CO—NR3R4, wherein R3 and R4 are the same or different and represent a rest of the group comprising optionally substituted C1-6 alkyl, optionally substituted C2-6 ?alkenyl, or optionally substituted C3-8 ? cycloalkyl: or which, together with the nitrogen atom to which they are bound, form a five- to seven-membered saturated heterocycle that may optionally contain an additional hetero atom from the group N, O, S and/or that may be optionally substituted, and to the salts, isomers and hydrates of said derivatives, as stimulants of the soluble guanylate cyclase and for use as agents for treating cardiovascular diseases, hypertonia, thromboembolic diseases and ischemia, sexual dysfunction or inflammations, and for treating diseases of the central nervous system.
    Type: Application
    Filed: October 23, 2003
    Publication date: April 29, 2004
    Inventors: Johannes-Peter Stasch, Achim Feurer, Stefan Weigand, Elke Stahl, Dietmar Flubacher, Cristina Alonso-Alija, Frank Wunder, Dieter Lang, Klaus Dembowsky, Alexander Straub, Elisabeth Perzborn
  • Publication number: 20040082798
    Abstract: The invention relates to the use of compounds of formula (I) and of their salts and stereoisomers for producing medicaments used in the treatment of cardiovascular diseases.
    Type: Application
    Filed: December 22, 2003
    Publication date: April 29, 2004
    Inventors: Cristina Alonso-Alija, Michael Harter, Michael Hahn, Josef Pernerstorfer, Stefan Weigand, Johannes-Peter Stasch, Frank Wunder
  • Publication number: 20040067937
    Abstract: The invention relates to novel pyrazolopyridine derivatives of formula (I) wherein R1 represents H, Cl or NH2, and R2 and R3 form; together with the heteroatoms to which they are bonded, a five to six-membered heterocycle which can be saturated or partially unsaturated, can optionally contain at least one other heteroatom from the group N, O, S and can be optionally substituted. The invention also relates to salts, isomers and hydrates of said derivatives, in the form of stimulators of soluble guanylate cyclase and as agents for treating cardiovascular diseases, hypertonia, thrombo-embolic diseases and ischaemia, sexual dysfunction, inflammations, and diseases of the central nervous system.
    Type: Application
    Filed: October 23, 2003
    Publication date: April 8, 2004
    Inventors: Johannes-Peter Stasch, Achim Feurer, Stefan Weigand, Elke Stahl, Dietmar Flubacher, Cristina Alonso-Alija, Frank Wunder, Dieter Lang, Klaus Dembowsky, Alexander Straub, Elisabeth Perzborn
  • Patent number: 6693102
    Abstract: The present invention relates to new pyrazolopyridine derivatives of the formula (I) in which R1 represents 4-pyridinyl or 3-pyridinyl; R2 represents H, NH2 or halogen; and salts, isomers and hydrates thereof as stimulators of soluble guanylate cyclase and for use as agents for the treatment of cardiovascular disorders, hypertension, of thromboembolic disorders and ischaemia, sexual dysfunction or inflammation, and for the treatment of disorders of the central nervous system.
    Type: Grant
    Filed: November 1, 2001
    Date of Patent: February 17, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Johannes-Peter Stasch, Achim Feurer, Stefan Weigand, Elke Stahl, Dietmar Flubacher, Cristina Alonso-Alija, Frank Wunder, Dieter Lang, Klaus Dembowsky, Alexander Straub, Elisabeth Perzborn
  • Publication number: 20020173514
    Abstract: The present invention relates to new pyrazolopyridine derivatives of the formula (I) 1
    Type: Application
    Filed: November 1, 2001
    Publication date: November 21, 2002
    Inventors: Johannes-Peter Stasch, Achim Feurer, Stefan Weigand, Elke Stahl, Dietmar Flubacher, Cristina Alonso-Alija, Frank Wunder, Dieter Lang, Klaus Dembowsky, Alexander Straub, Elisabeth Perzborn
  • Patent number: 6030103
    Abstract: An operating room light with ceiling suspension is provided with a shaft protruding from the ceiling and containing internal electrical conductors, the shaft being enveloped in its end region by a support body provided on its outer circumference with slip rings for establishing electrical connections between the shaft and the conductors contained in a swivel arm; the swivel arm is provided with a swivel arm head as part of a rotary joint, which envelops the support body and which contains on its barrel-shaped inside slip ring pickups for making contact with the slip rings of the support body; viewed in axial direction, the support body is provided at both of its ends with bearing bushes functioning as sliding bearings, the upper bearing bush supporting an axial bearing ring that bears thereon to hold the swivel arm head; the support body together with the bearing bushes is secured against radial and axial shifting by means of threaded pins passed through openings in the pivot as well as by a locking ring held
    Type: Grant
    Filed: August 20, 1997
    Date of Patent: February 29, 2000
    Assignee: Heraeus Holding GmbH
    Inventors: Uwe Gampe, Stefan Weigand, Rudolf Marka