Patents by Inventor Christopher C. Hall

Christopher C. Hall 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: 5914042
    Abstract: Plasma is separated from a blood product such as SAG-M or anticoagulated whole blood by flowing the blood product across a membrane. The membrane has a voids volume of greater than 50%, a pore size of less then 0.65 .mu.m and a plasma flow rate of greater than 0.04 ml/min.cm.sup.2 with a specified value of blood product and with a specified transmembrane pressure. The surface of the membrane contacted by the blood product has a smoothness of less than 0.5 .mu.m.
    Type: Grant
    Filed: April 8, 1996
    Date of Patent: June 22, 1999
    Assignee: Pall Corporation
    Inventors: Peter R. Ball, Christopher C. Hall, Eileen M. A. Boulter
  • Patent number: 5052582
    Abstract: A containment basin assembly for receipt of a tank of liquid chemical or the like is disclosed wherein a mounting stand for the tank is integral with the basin and positioned off-center therein. A bucket can be conveniently located underneath the manifold valve or other liquid dispensing conduit connected to the tank so that spilled or leaking liquid from the valve or conduit can be easily removed for proper disposal.
    Type: Grant
    Filed: November 5, 1990
    Date of Patent: October 1, 1991
    Assignee: Betz Laboratories, Inc.
    Inventor: Christopher C. Hall