Patents by Inventor Per NORMANN

Per NORMANN 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).

  • Chromatography cartridge and method of production thereof
    Patent number: 11385209
    Abstract: The present invention relates to a pre-packed chromatography cartridge (10) suitable for flash chromatography. The chromatography cartridge (10) comprises a barrel (20) having one end sealed with a cap (40), a thread (23) arranged on the outer cylindrical surface of the barrel (20) and engaged to a mating thread (43) on the inner cylindrical surface of the cap (40). The barrel is provided with at least one protrusion (24) arranged on the outer cylindrical surface and below the thread (23) in the direction from the end sealed by the cap (40). The protrusion (24) extends essentially radially outwards from the outer cylindrical surface of the barrel (20). The cap (40) is provided with a cylindrical flange (44) arranged below the thread (43) of the cap (40). A locking member (46) is arranged on the flange (44) and extends essentially radially inwards from the inner cylindrical surface of the flange (44).
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: July 12, 2022
    Assignee: Biotage AB
    Inventors: Juha Esala, Andreas Norlen, Per Normann
  • CHROMATOGRAPHY CARTRIDGE AND METHOD OF PRODUCTION THEREOF
    Publication number: 20200400624
    Abstract: The present invention relates to a pre-packed chromatography cartridge (10) suitable for flash chromatography. The chromatography cartridge (10) comprises a barrel (20) having one end sealed with a cap (40), a thread (23) arranged on the outer cylindrical surface of the barrel (20) and engaged to a mating thread (43) on the inner cylindrical surface of the cap (40). The barrel is provided with at least one protrusion (24) arranged on the outer cylindrical surface and below the thread (23) in the direction from the end sealed by the cap (40). The protrusion (24) extends essentially radially outwards from the outer cylindrical surface of the barrel (20). The cap (40) is provided with a cylindrical flange (44) arranged below the thread (43) of the cap (40). A locking member (46) is arranged on the flange (44) and extends essentially radially inwards from the inner cylindrical surface of the flange (44).
    Type: Application
    Filed: August 29, 2018
    Publication date: December 24, 2020
    Applicant: BIOTAGE AB
    Inventors: Juha ESALA, Andreas NORLEN, Per NORMANN