Patents Assigned to Amicon Ltd.
  • Chromatography system
    Patent number: 5167809
    Abstract: A chromatography system comprises a chromatography column 1 consisting of a column tube 7 having end flanges 19 and 27 at its lower and upper ends, supporting an upper end cap 3 carrying a piston rod 9 and a piston 11. The system further comprises a container 20 for the separation media used in the chromatography column, this container having a neck ring 24 of injection moulded construction with a mouth end of a bag 22 embedded therein.
    Type: Grant
    Filed: September 11, 1991
    Date of Patent: December 1, 1992
    Assignee: Amicon Ltd.
    Inventors: Anthony F. Mann, Vincenzo Vassarotti
  • End cell for chromatography column
    Patent number: 5167810
    Abstract: An end cell for a chromatography column has a moulded plastics structure and an integral screen formed of a woven mesh of fibres of the same plastic material as used for the end cell. A peripheral ring of the same plastics material is injection moulded to the perimeter of the mesh, said ring being secured to the end cell in a leak-proof manner, preferably by ultrasonic welding.
    Type: Grant
    Filed: September 11, 1991
    Date of Patent: December 1, 1992
    Assignee: Amicon Ltd.
    Inventors: Vincenzo Vassarotti, Colin K. Lanyi, Christopher R. Biddell