Patents by Inventor Derek J. Hei

Derek J. Hei 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).

  • BATCH DEVICES FOR THE REDUCTION OF COMPOUNDS FROM BIOLOGICAL COMPOSITIONS CONTAINING CELLS AND METHODS OF USE
    Publication number: 20010018179
    Abstract: Methods and devices are provided for reducing the concentration of low molecular weight compounds in a biological composition containing cells while substantially maintaining a desired biological activity of the biological composition. The device comprises highly porous adsorbent particles, and the adsorbent particles are immobilized by an inert matrix.
    Type: Application
    Filed: July 8, 1998
    Publication date: August 30, 2001
    Inventor: DEREK J. HEI
  • Apparatus, membranes and methods for removing organic compounds from a biological fluid
    Patent number: 6099734
    Abstract: Membranes and methods for making membranes are disclosed. The membranes include a polymeric matrix and a particulate material immobilized within the matrix. The membranes may find particular application in methods and apparatus for removing organic compounds from a biological fluid as part of a pathogen inactivation treatment.
    Type: Grant
    Filed: July 8, 1998
    Date of Patent: August 8, 2000
    Assignee: Baxter International Inc.
    Inventors: Daniel R. Boggs, Derek J. Hei, Shmuel Sternberg, Robin G. Pauley, Donna L. McLarty