Patents by Inventor Jan-Erik Löfroth

Jan-Erik Löfroth 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).

  • Film coating
    Patent number: 7959947
    Abstract: A film coating composition suitable for use in coating pharmaceutical formulations comprising a) an acrylic polymer dispersion, e.g. an ethylacrylate/methylmethacrylate copolymer such as Eudragit NE30D, b) a surfactant, c) sodium stearyl fumarate, and d) a water-containing liquid useful for the achievement of controlled release from pharmaceutical formulations such as tablets, pellets, etc.
    Type: Grant
    Filed: January 22, 2002
    Date of Patent: June 14, 2011
    Assignee: AstraZeneca AB
    Inventors: Arne Hölzer, Jan-Erik Löfroth, Staffan Schantz
  • PHARMACEUTICAL COMPOSITIONS
    Publication number: 20100291216
    Abstract: The present invention relates to pharmaceutical compositions for sustained release comprising a water soluble salt of the HMG-CoA reductase inhibitor fluvastatin as active ingredient, said composition being selected from the group comprising matrix formulations, diffusion-controlled membrane coated formulations; and combinations thereof.
    Type: Application
    Filed: June 8, 2010
    Publication date: November 18, 2010
    Inventors: Jan-Erik Löfroth, Jonas Ödman
  • PHARMACEUTICAL COMPOSITIONS
    Publication number: 20100291217
    Abstract: The present invention relates to pharmaceutical compositions for sustained release comprising a water soluble salt of the HMG-CoA reductase inhibitor fluvastatin as active ingredient, said composition being selected from the group comprising matrix formulations, diffusion-controlled membrane coated formulations; and combinations thereof.
    Type: Application
    Filed: June 8, 2010
    Publication date: November 18, 2010
    Inventors: Jan-Erik Löfroth, Jonas Ödman
  • Film coating
    Patent number: 7815938
    Abstract: A film coating composition suitable for use in coating pharmaceutical formulations to provide modified release comprising a dispersion which includes: a) an acrylic polymer, b) a vinyl acetate polymer, and c) a water-containing liquid. The film coat is useful for the achievement of modified release from pharmaceutical formulations such as tablets, pellets, etc.
    Type: Grant
    Filed: September 16, 2004
    Date of Patent: October 19, 2010
    Assignee: AstraZeneca AB
    Inventors: Jan-Erik Löfroth, Staffan Schantz, Anders Welin, Lars Johan Pontus de Verdier Hjärtstam
  • Film coating
    Patent number: 6827947
    Abstract: A film coating composition suitable for use in coating pharmaceutical formulations to provide modified release comprising a dispersion which includes: a) an acrylic polymer, b) a vinyl acetate polymer, and c) a water-containing liquid. The film coat is useful for the achievement of modified release from pharmaceutical formulations such as tablets, pellets, etc.
    Type: Grant
    Filed: June 16, 2003
    Date of Patent: December 7, 2004
    Assignee: AstraZeneca AB
    Inventors: Jan-Erik Löfroth, Staffan Schantz, Anders Welin, Lars Johan Pontus de Verdier Hjartstam
  • Pharmaceutical compositions
    Publication number: 20040132814
    Abstract: The present invention relates to pharmaceutical compositions for sustained release comprising a water soluble salt of the HMG-CoA reductase inhibitor fluvastatin as active ingredient, said composition being selected from the group comprising matrix formulations, diffusion-controlled membrane coated formulations; and combinations thereof.
    Type: Application
    Filed: December 17, 2003
    Publication date: July 8, 2004
    Inventors: Jan-Erik Loefroth, Jonas Oedman
  • Formulation for treatment of thromboembolism
    Patent number: 6673365
    Abstract: A new pharmaceutical formulation comprising the thrombin inhibitor HOOC—CH2—(R)-Cgl-Aze-Pab in combination with medium chain glycerides, a process for the preparation of such a pharmaceutical formulation, the use of a such formulation in the treatment of thromboembolism as well as a method of treating a patient in need of such a treatment by using said formulation.
    Type: Grant
    Filed: August 22, 1997
    Date of Patent: January 6, 2004
    Assignee: Astra Aktiebolag
    Inventors: Jan-Erik Löfroth, Lennart Lindfors, Anna-Lena Ungell