Patents by Inventor Oliver Szambien

Oliver Szambien 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).

  • Foam-forming pharmaceutical composition
    Patent number: 6258374
    Abstract: The invention provides a pharmaceutical composition for rectal or vaginal administration which comprises at least two parts wherein the composition comprises (i) two or more physiologically acceptable substances each in separate parts of the composition which are such that on admixture they react to produce a physiologically acceptable gas; (ii) in at least one part of the composition a polymer stabiliser which is adapted to facilitate the formation of a water-soluble collapsible foam structure; and (iii) in at least one part of the composition a pharmaceutically active substance; an its use in the treatment or prophylaxis of disorders of the intestines, rectum or vagina.
    Type: Grant
    Filed: September 24, 1998
    Date of Patent: July 10, 2001
    Assignee: Astra Aktiebolag
    Inventors: Stefan Friess, Harald Heckenmüller, Heike Kublik, Oliver Szambien
  • Formulations of balsalazide and its derivatives
    Patent number: 6197341
    Abstract: The invention provides a unit formulation which comprises a 2-hydroxy-5-phenylazobenzoic acid derivative which is particularly sodium balsalazide dihydrate which formulation has a density of at least 0.9 mg/mm3 and its use in the treatment of gastrointestinal diseases.
    Type: Grant
    Filed: May 14, 1998
    Date of Patent: March 6, 2001
    Inventors: Stefan Friess, Harald Heckenmüller, Oliver Szambien