Patents Examined by Joseph K. Weiss, Jr.
  • Cryopreservation bag
    Patent number: 6022344
    Abstract: The present invention relates to a bag for the cryopreservation of blood cells, comprising a joining piece and a shrink tube to connect the bag with a non-PVC tubing. The tubing is resistant to the liquid nitrogen temperature and can be used for RF sealing and sterile docking both before and after cryopreservation.
    Type: Grant
    Filed: December 4, 1997
    Date of Patent: February 8, 2000
    Assignee: NPBI International B.V.
    Inventors: Else Johanna Meijer, Mirijam Wilhelmina Suzanna Ter Laak-Ter Beek