Patents by Inventor Beat Freiermuth

Beat Freiermuth 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).

  • Crystalline forms of venlafaxine hydrochloride
    Patent number: 7045661
    Abstract: Crystalline forms of Venlafaxine hydrochloride were found, referred to hereinafter as polymorphic Forms A, B and D. Furthermore, the present invention is directed to processes for the preparation of these crystalline forms and pharmaceutical compositions comprising the crystalline forms.
    Type: Grant
    Filed: March 30, 2005
    Date of Patent: May 16, 2006
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Paul Adriaan Van Der Schaaf, Claudia Marcolli, Martin Szelagiewicz, Beat Freiermuth
  • Crystalline forms of venlafaxine hydrochloride
    Publication number: 20050256205
    Abstract: Crystalline forms of Venlafaxine hydrochloride were found, referred to hereinafter as polymorphic Forms A, B and D. Furthermore, the present invention is directed to processes for the preparation of these crystalline forms and pharmaceutical compositions comprising the crystalline forms.
    Type: Application
    Filed: March 30, 2005
    Publication date: November 17, 2005
    Inventors: Paul Adriaan Schaaf, Claudia Marcolli, Martin Szelagiewicz, Beat Freiermuth
  • Crystalline forms of venlafaxine hydrochloride
    Patent number: 6906087
    Abstract: Crystalline forms of Venlafaxine hydrochloride were found, referred to hereinafter as polymorphic Forms A, B and D. Furthermore, the present invention is directed to processes for the preparation of these crystalline forms and pharmaceutical compositions comprising the crystalline forms.
    Type: Grant
    Filed: October 23, 2001
    Date of Patent: June 14, 2005
    Assignee: Ciba Specialty Chemicals Corpation
    Inventors: Paul Adriaan Van Der Schaaf, Claudia Marcolli, Martin Szelagiewicz, Beat Freiermuth
  • Crystalline forms of Fluvastatin sodium
    Patent number: 6858643
    Abstract: Crystalline forms of the (3R,5S)- and the (3S,5R)-enantiomers of fluvastatin, referred to as polymorphic Forms A, B1, B2, C, D and E, processes for the preparation of these crystalline forms and pharmaceutical compositions comprising them are disclosed.
    Type: Grant
    Filed: October 23, 2001
    Date of Patent: February 22, 2005
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Paul Adriaan Van Der Schaaf, Heinz Wolleb, Annemarie Wolleb, Claudia Marcolli, Martin Szelagiewicz, Andreas Burkhard, Beat Freiermuth
  • Fabric care method
    Publication number: 20030203828
    Abstract: The present invention provides a process for inhibiting the re-absorption of migrating dyes in the wash liquor, comprising introducing into a wash liquor containing a peroxide-containing detergent, from 0.5 to 150, preferably from 1.5 to 75, especially from 7.
    Type: Application
    Filed: March 12, 2003
    Publication date: October 30, 2003
    Inventors: Frank Bachmann, Josef Dannacher, Martin Studer, Beat Freiermuth, Cornelia Makowka, Peter Weingartner, Grit Richter, Gunther Schlingloff
  • Use of packing strip as a holographic data carrier
    Publication number: 20030125569
    Abstract: Crystalline forms of the (3R,5S)- and the (3S,5R)-enantiomer of fluvastatin were found, referred to hereinafter as polymorphic Forms A, B1, B2, C, D and E. Furthermore, the present invention is directed to processes for the preparation of these crystalline forms and pharmaceutical compositions comprising the crystalline forms.
    Type: Application
    Filed: October 1, 2002
    Publication date: July 3, 2003
    Inventors: Paul Adriaan Van Der Schaaf, Heinz Wolleb, Annemarie Wolleb, Claudia Marcolli, Martin Szelagiewicz, Andreas Burkhard, Beat Freiermuth
  • Crystalline forms of venlafaxine hydrochloride
    Publication number: 20030105359
    Abstract: Crystalline forms of Venlafaxine hydrochloride were found, referred to hereinafter as polymorphic Forms A, B and D. Furthermore, the present invention is directed to processes for the preparation of these crystalline forms and pharmaceutical compositions comprising the crystalline forms.
    Type: Application
    Filed: October 1, 2002
    Publication date: June 5, 2003
    Inventors: Paul Adriaan Van Der Schaaf, Claudia Marcolli, Martin Szelagiewicz, Beat Freiermuth
  • Fabric care method
    Patent number: 6562775
    Abstract: The present invention provides a process for inhibiting the re-absorption of migrating dyes in the wash liquor, comprising introducing into a wash liquor containing a peroxide-containing detergent, from 0.5 to 150 mg per liter of wash liquor, of one or more manganese containing compounds.
    Type: Grant
    Filed: February 4, 2002
    Date of Patent: May 13, 2003
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Frank Bachmann, Josef Dannacher, Martin Studer, Beat Freiermuth, Cornelia Makowka, Peter Weingartner, Grit Richter, Gunther Schlingloff
  • Fabric care method
    Patent number: 6486110
    Abstract: The present invention provides a process for inhibiting the re-absorption of migrating dyes in the wash liquor, comprising introducing into a wash liquor containing a peroxide-containing detergent, from 0.5 to 150, preferably from 1.5 to 75, especially from 7.
    Type: Grant
    Filed: April 13, 2001
    Date of Patent: November 26, 2002
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Frank Bachmann, Josef Dannacher, Martin Studer, Beat Freiermuth, Cornelia Makowka, Peter Weingartner, Grit Richter, Gunther Schlingloff
  • Fabric care method
    Publication number: 20020119899
    Abstract: The present invention provides a process for inhibiting the re-absorption of migrating dyes in the wash liquor, comprising introducing into a wash liquor containing a peroxide-containing detergent, from 0.5 to 150, preferably from 1.5 to 75, especially from 7.
    Type: Application
    Filed: February 4, 2002
    Publication date: August 29, 2002
    Inventors: Frank Bachmann, Josef Dannacher, Martin Studer, Beat Freiermuth, Cornelia Makowka, Peter Weingartner, Grit Richter, Gunther Schlingloff
  • Fabric care method
    Publication number: 20010053755
    Abstract: The present invention provides a process for inhibiting the re-absorption of migrating dyes in the wash liquor, comprising introducing into a wash liquor containing a peroxide-containing detergent, from 0.5 to 150, preferably from 1.5 to 75, especially from 7.
    Type: Application
    Filed: April 13, 2001
    Publication date: December 20, 2001
    Inventors: Frank Bachmann, Josef Dannacher, Martin Studer, Beat Freiermuth, Cornelia Makowka, Peter Weingartner, Grit Richter, Gunther Schlingloff
  • Assay method for hemicellulases using a colored substrate
    Patent number: 5496707
    Abstract: The present invention provides an assay method for hemicellulases comprising a) directly dyeing, using a reactive dye, an insoluble natural product, or a modified form of a natural fibre material; and b) adding the enzyme to the dyed product produced in step a) and, after a specific incubation period, separating the liquid component from the insoluble dyed product, e.g. by a simple filtration, and determining the amount of dyestuff liberated in the the separated solution by spectrophotometric means. A combined mixing and dispensing device for use in the method of the present invention is also provided.
    Type: Grant
    Filed: April 5, 1994
    Date of Patent: March 5, 1996
    Assignees: Ciba-Geigy Corporation, Genencor International, Inc.
    Inventors: Beat Freiermuth, Dieter Werthemann, Alfred Gaertner, Spencer Fisk