Patents by Inventor Goran Kallstrand

Goran Kallstrand 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: 6932962
    Abstract: Aerosol formulations suitable for use in pressurised metered dose inhalers comprise a hydrofluoroalkane propellant, an medicament for inhalation and a surfactant which is a a C8–C16 fatty acid or salt thereof, a bile salt, a phospholipid, or an alkyl saccharide.
    Type: Grant
    Filed: December 19, 1995
    Date of Patent: August 23, 2005
    Assignee: AstraZeneca AB
    Inventors: Kjell Bäckström, Magnus Dahlbäck, Ann Johansson, Göran Källstrand, Elisabet Lindqvist
  • Patent number: 6524557
    Abstract: A pharmaceutical aerosol formulation comprising (a) a HFA propellant; (b) a pharmaceutically active polypeptide dispersible in the propellant; and (c) a surfactant which is a C8-C16 fatty acid or salt thereof, a bile salt, a phospholipid, or an alkyl saccharide, which surfactant enhances the systemic absorption of the polypeptide in the lower respiratory tract. The invention also relates to methods of manufacturing such formulations and the use of such formulations in treating patients.
    Type: Grant
    Filed: April 5, 1996
    Date of Patent: February 25, 2003
    Assignee: AstraZeneca AB
    Inventors: Kjell Bäckström, Magnus Dahlbäck, Ann Johansson, Göran Källstrand, Elisabet Lindqvist
  • Patent number: 5533505
    Abstract: The invention relates to a disposable breath-actuated inhaler comprising a tubular housing forming an air flow path being open at both ends, one end forming an air inlet (4) and one end forming an air outlet (5), the housing comprising a compartment (3) for storing a pharmaceutical powder to be inhaled. The compartment (3) for storing the pharmaceutical powder is located close to the air inlet (4) and is covered by a thin foil (6) sealing the compartment in an airtight way which can be removed from the compartment from outside the housing, the housing being shaped with a constriction (9) adjacent the powder compartment (3) such that a turbulent air stream will be obtained at the constriction upon inhalation which will lift the powder out from the compartment (3) and mix the powder into the air stream.
    Type: Grant
    Filed: September 2, 1994
    Date of Patent: July 9, 1996
    Assignee: Astra Aktiebolag
    Inventors: Goran Kallstrand, Per-Gunnar Nilsson