Patents by Inventor Friedrich Richter

Friedrich Richter 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: 20110152201
    Abstract: This invention provides an emulsion, e.g., microemulsion, pre-concentrate comprising a difficultly soluble active agent and a carrier medium. The active agent may, e.g., be a cyclosporin or a macrolide.
    Type: Application
    Filed: February 28, 2011
    Publication date: June 23, 2011
    Inventors: Michael Ambühl, Barbara Lückel, Friedrich Richter, Barbara Häberlin, Armin Meinzer
  • Patent number: 7235248
    Abstract: Pharmaceutical compositions comprising a cyclosporin, e.g. Ciclosporin or [Nva]2-Ciclosporin, in “microemulsion pre-concentrate” and microemulsion form. The compositions typically comprise (1.1) a C1-5alkyl or tetrahydrofurfuryl di- or partial-ether of a low molecular weight mono- or poly-oxy-alkane diol, e.g. Transcutol or Glycofurol, as hydrophilic component. Compositions are also provided comprising a cyclosporin and (1.1) and, suitably, also a saccharide monoester, e.g. raffinose or saccharose monolaurate. Dosage forms include topical formulations and, in particular, oral dosage forms.
    Type: Grant
    Filed: October 2, 2002
    Date of Patent: June 26, 2007
    Assignee: Novartis AG
    Inventors: Birgit Hauer, Armin Meinzer, Ulrich Posanski, Friedrich Richter
  • Publication number: 20060115533
    Abstract: A pharmaceutical composition in the form of a solid dispersion comprising a macrolide, e.g. a rapamycin or an ascomycin, and a carrier medium.
    Type: Application
    Filed: October 21, 2005
    Publication date: June 1, 2006
    Inventors: Patrice Guitard, Barbara Haeberlin, Rainer Link, Friedrich Richter
  • Publication number: 20060058399
    Abstract: This invention provides an emulsion, e.g., microemulsion, pre-concentrate comprising a difficultly soluble active agent and a carrier medium. The active agent may, e.g., be a cyclosporin or a macrolide.
    Type: Application
    Filed: November 4, 2005
    Publication date: March 16, 2006
    Inventors: Michael Ambuhl, Barbara Luckel, Friedrich Richter, Barbara Haberlin, Armin Meinzer
  • Patent number: 6956043
    Abstract: A pharmaceutical composition in the form of a solid dispersion comprising a macrolide, e.g. a rapamycin or an ascomycin, and a carrier medium.
    Type: Grant
    Filed: June 4, 2003
    Date of Patent: October 18, 2005
    Assignee: Novartis AG
    Inventors: Patrice Guitard, Barbara Haeberlin, Rainer Link, Friedrich Richter
  • Publication number: 20030216303
    Abstract: This invention provides an emulsion, e.g., microemulsion, pre-concentrate comprising a difficultly soluble active agent and a carrier medium. The active agent may, e.g., be a cyclosporin or a macrolide.
    Type: Application
    Filed: June 19, 2003
    Publication date: November 20, 2003
    Inventors: Michael Ambuhl, Barbara Luckel, Friedrich Richter, Barbara Haberlin, Armin Meinzer
  • Publication number: 20030211160
    Abstract: A pharmaceutical composition in the form of a solid dispersion comprising a macrolide, e.g. a rapamycin or an ascomycin, and a carrier medium.
    Type: Application
    Filed: June 4, 2003
    Publication date: November 13, 2003
    Inventors: Patrice Guitard, Barbara Haeberlin, Rainer Link, Friedrich Richter
  • Patent number: 6623753
    Abstract: The invention concerns liposomal preparations comprising as the active agent a compound of formula I in free base form or in acid addition salt form. It also concerns a method of preparation of such liposomal preparations by encapsulating a compound of formula I with an appropriate liposome forming material, a corresponding pharmaceutical compositions, and methods of treatment of systemic, topical and pulmonal fungal infections.
    Type: Grant
    Filed: June 24, 1997
    Date of Patent: September 23, 2003
    Assignee: Novartis AG
    Inventors: David Bodmer, Thomas Kissel, Friedrich Richter, Harry Tiemessen
  • Publication number: 20030143250
    Abstract: Pharmaceutical compositions comprising a cyclosporin, e.g. Ciclosporin or [Nva]2-Ciclosporin, in “microemulsion pre-concentrate” and microemulsion form. The compositions typically comprise (1.1) a C1-5alkyl or tetrahydrofurfuryl di- or partial-ether of a low molecular weight mono- or poly-oxy-alkane diol, e.g. Transcutol or Glycofurol, as hydrophilic component. Compositions are also provided comprising a cyclosporin and (1.1) and, suitably, also a saccharide monoester, e.g. raffinose or saccharose monolaurate. Dosage forms include topical formulations and, in particular, oral dosage forms.
    Type: Application
    Filed: October 2, 2002
    Publication date: July 31, 2003
    Inventors: Birgit Hauer, Armin Meinzer, Ulrich Posanski, Friedrich Richter
  • Patent number: 6599535
    Abstract: A pharmaceutical composition in the form of a solid dispersion comprising a macrolide, e.g. a rapamycin or an ascomycin, and a carrier medium.
    Type: Grant
    Filed: July 12, 2002
    Date of Patent: July 29, 2003
    Assignee: Novartis AG
    Inventors: Patrice Guitard, Barbara Haeberlin, Rainer Link, Friedrich Richter
  • Publication number: 20030008835
    Abstract: A pharmaceutical composition in the form of a solid dispersion comprising a macrolide, e.g. a rapamycin or an ascomycin, and a carrier medium.
    Type: Application
    Filed: July 12, 2002
    Publication date: January 9, 2003
    Inventors: Patrice Guitard, Barbara Haeberlin, Rainer Link, Friedrich Richter
  • Publication number: 20020165134
    Abstract: A pharmaceutical composition in the form of an emulsion preconcentrate for oral administration and containing a cyclosporin. The pharmaceutical composition has a carrier medium for the cyclosporin that contains a hydrophilic organic solvent; a mixed mono-, di-, and tri-glyceride or a transesterified and polyethoxylated vegetable oil; and a polyoxyethylene-sorbitan-fatty acid ester surfactant. The pharmaceutical composition provides high bioavailability and low inter- and intra-subject variability.
    Type: Application
    Filed: April 12, 2002
    Publication date: November 7, 2002
    Inventors: Friedrich Richter, Jacky Vonderscher
  • Patent number: 6420355
    Abstract: A pharmaceutical composition in the form of an emulsion preconcentrate for oral administration and containing a cyclosporin. The pharmaceutical composition has a carrier medium for the cyclosporin that contains a hydrophilic organic solvent; a mixed mono-, di-, and tri-glyceride or a transesterified and polyethoxylated vegetable oil; and a polyoxyethylene-sorbitan-fatty acid ester surfactant. The pharmaceutical composition provides high bioavailability and low inter- and intra-subject variability.
    Type: Grant
    Filed: April 5, 2001
    Date of Patent: July 16, 2002
    Assignee: Novartis AG
    Inventors: Friedrich Richter, Jacky Vonderscher
  • Patent number: 6352998
    Abstract: This invention provides a topical composition, in the form of an emulsion, that comprises a compound of the FK506 class; a physiologically acceptable alkanediol, ether diol or diether alcohol containing up to 8 carbon atoms as solvent for the compound of the FK506 class; an unsaturated fatty alcohol and water. In another aspect, this invention provides a topical pharmaceutical composition that comprises a macrolide in suspension. In a further aspect, this invention provides the use of an unsaturated fatty alcohol to stabilize a macrolide in a pharmaceutical composition.
    Type: Grant
    Filed: January 23, 2001
    Date of Patent: March 5, 2002
    Assignee: Novartis AG
    Inventors: Martin Jackman, Xue-Ping Popp, Friedrich Richter, Fritz Schmook
  • Publication number: 20020016292
    Abstract: A pharmaceutical composition in the form of an emulsion preconcentrate for oral administration and containing a cyclosporin. The pharmaceutical composition has a carrier medium for the cyclosporin that contains a hydrophilic organic solvent; a mixed mono-, di-, and tri-glyceride or a transesterified and polyethoxylated vegetable oil; and a polyoxyethylene-sorbitan-fatty acid ester surfactant. The pharmaceutical composition provides high bioavailability and low inter- and intra-subject variability.
    Type: Application
    Filed: April 5, 2001
    Publication date: February 7, 2002
    Inventors: Friedrich Richter, Jacky Vonderscher
  • Patent number: 6319509
    Abstract: The invention concerns topical formulations such as nail varnishes comprising as the active agent the compound of formula I in free base form or in acid addition salt form, together with a polymeric film former and further excipients as appropriate. It also concerns a process of preparation of such preparations by mixing with an appropriate polymeric film former and conventional further excipients as appropriate, and a method of treatment of onychomycosis.
    Type: Grant
    Filed: October 18, 2000
    Date of Patent: November 20, 2001
    Assignee: Novartis AG
    Inventors: Friedrich Richter, Marianne Roser
  • Publication number: 20010031769
    Abstract: This invention provides a topical composition, in the form of an emulsion, that comprises a compound of the FK506 class; a physiologically acceptable alkanediol, ether diol or diether alcohol containing up to 8 carbon atoms as solvent for the compound of the FK506 class; an unsaturated fatty alcohol and water.
    Type: Application
    Filed: January 23, 2001
    Publication date: October 18, 2001
    Inventors: Martin Jackman, Xue-Ping Popp, Friedrich Richter, Fritz Schmook
  • Patent number: 6214360
    Abstract: The invention concerns topical formulations such as nail varnishes comprising as the active agent the compound of formula I in free base form or in acid addition salt form, together with a polymeric film former and further excipients as appropriate. It also concerns a process of preparation of such preparations by mixing with an appropriate polymeric film former and conventional further excipients as appropriate, and a method of treatment of onychomycosis.
    Type: Grant
    Filed: December 18, 1998
    Date of Patent: April 10, 2001
    Assignee: Novartis AG
    Inventors: Friedrich Richter, Marianne Roser
  • Patent number: 6197781
    Abstract: A pharmaceutical composition in the form of a solid dispersion comprising a macrolide, e.g. a rapamycin or an ascomycin, and a carrier medium.
    Type: Grant
    Filed: August 13, 1999
    Date of Patent: March 6, 2001
    Assignee: Novartis AG
    Inventors: Patrice Guitard, Barbara Haeberlin, Rainer Link, Friedrich Richter
  • Patent number: 6121314
    Abstract: Non-greasy topical solutions, emulsion gels or lotions comprising as the active agent a compound of formula I ##STR1## and a lower alkanol, and if desired together with a solubilizing agent or an oil phase such as isopropyl myristate are useful delivery systems.
    Type: Grant
    Filed: November 10, 1999
    Date of Patent: September 19, 2000
    Assignee: Novartis AG
    Inventors: Friedrich Richter, Michel Steiger