Patents by Inventor Urban Skantze

Urban Skantze 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: 20230000775
    Abstract: Solid pharmaceutical formulations including AZD4635 are described. The solid formulations can include a polymeric stabilizer (e.g., a polyvinylpyrollidone), an ionic surfactant (e.g., sodium docusate), and a non-ionic surfactant (e.g., a poloxamer).
    Type: Application
    Filed: December 1, 2020
    Publication date: January 5, 2023
    Inventors: Anders HOLMGREN, Annika KYSSĂ„, Christian VON CORSWANT, Urban SKANTZE
  • Patent number: 7780989
    Abstract: A process for the preparation of a dispersion of crystalline nanoparticles in an aqueous medium is disclosed. Specifically, a first solution comprising a substantially water-insoluble substance in a water-miscible organic solvent is rapid mixed with an aqueous phase comprising water, and optionally a stabilizer, to form a dispersion of amorphous particles. The dispersion of amorphous particles is then sonicated for a sufficient period to form crystalline nanoparticles of the substantially water-insoluble substance. The process provides nanocrystals with a mean hydrodynamic diameter of less than 1 micron, particularly less than 300 nm, and is particularly useful for the preparation of nanocrystalline dispersions of pharmaceutical substances.
    Type: Grant
    Filed: July 14, 2003
    Date of Patent: August 24, 2010
    Assignee: AstraZeneca AB
    Inventors: Tommy Urban Skantze, Per Lennart Lindfors, Sara Forssen
  • Publication number: 20100068287
    Abstract: The invention relates to a process for the preparation of a stable dispersion of particles, particularly sub-micron particles in an aqueous medium and to a stable dispersion of particles in a liquid medium. The sub-micron dispersion provided exhibit reduced or substantially no particle growth during storage and reduced crystallisation rate of the substantially water insoluble active compound.
    Type: Application
    Filed: February 8, 2008
    Publication date: March 18, 2010
    Applicant: ASTRAZENECA AB
    Inventors: Lennart Lindfors, Urban Skantze
  • Publication number: 20080214611
    Abstract: The invention relates to a process for the preparation of a stable dispersion of amorphous particles of a CB1 modulator of sub-micron size in an aqueous medium.
    Type: Application
    Filed: February 8, 2008
    Publication date: September 4, 2008
    Applicant: AstraZeneca AB
    Inventors: Lennart LINDFORS, Urban Skantze
  • Publication number: 20080193534
    Abstract: The present invention relates to a process for the preparation of a stable dispersion of particles, particularly sub-micron particles in an aqueous medium and to a stable dispersion of particles in a liquid medium. The process provided comprises the following steps: 1) combining a) an emulsion comprising a continuous aqueous phase; an inhibitor; a stabiliser; with b) the substantially water-insoluble substance; and 2) increasing the temperature to vicinity of the melting temperature of the substantially water-insoluble substance. The sub-micron dispersion provided exhibit reduced or substantially no particle growth during storage and reduced crystallisation rate of the substantially water insoluble active compound.
    Type: Application
    Filed: August 9, 2006
    Publication date: August 14, 2008
    Applicant: ASTRAZENECA AB
    Inventors: Lennart Lindfors, Urban Skantze
  • Publication number: 20040022850
    Abstract: A pharmaceutical modified release formulation comprising a pharmacologically active substance and a modified water-soluble polysaccharide, which modified water-soluble polysaccharide is obtainable by: a) forming a precipitate of a water-soluble polysaccharide by contacting a solution of the water-soluble polysaccharide with a solvent in which the polysaccharide is poorly soluble or insoluble; or b) milling a water-soluble polysaccharide. The modified water-soluble polysaccharides provide modified release formulations with high tablet hardness. Also claimed are a process for preparing the modified release formulation, and the use of the modified water-soluble polysaccharides as an excipient in a pharmaceutical formulation.
    Type: Application
    Filed: July 14, 2003
    Publication date: February 5, 2004
    Inventors: Marianne Eklund, Jan-Erik Lofroth, Urban Skantze