Patents by Inventor Byung-Ok Jung

Byung-Ok Jung 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: 6497927
    Abstract: Filter for removal of leucocytes is provided, wherein the filter is coated with a natural polymer of chitosan which has a good blood compatibility and no side effect in human body on an ultrafine non-woven fabric. This blood filter provides a high removal rate of leucocytes as well as good recovery of platelets and red blood cells due to secondary filtration through electrostatic power between a leucocyte and a cationic residue provided by chitosan on the surface of the non-woven fabric.
    Type: Grant
    Filed: November 13, 2000
    Date of Patent: December 24, 2002
    Assignee: Korea Institute of Science and Technology
    Inventors: Jae-Jin Kim, Sang-Bong Suh, Byung-Ok Jung
  • Patent number: 6193896
    Abstract: Filter for removal of leucocytes is provided, wherein the filter is coated with a natural polymer of chitosan which has a good blood compatibility and no side effect in human body on an ultrafine non-woven fabric. This blood filter provides a high removal rate of leucocytes as well as good recovery of platelets and red blood cells due to secondary filtration through electrostatic power between a leucocyte and a cationic residue provided by chitosan on the surface of the non-woven fabric.
    Type: Grant
    Filed: February 18, 2000
    Date of Patent: February 27, 2001
    Assignee: Korea Institute of Science and Technology
    Inventors: Jae-Jin Kim, Sang-Bong Suh, Byung-Ok Jung
  • Patent number: 6182834
    Abstract: Filter for removal of leucocytes is provided, wherein the filter is coated with a natural polymer of chitosan which has a good blood compatibility and no side effect in human body on an ultrafine non-woven fabric. This blood filter provides a high removal rate of leucocytes as well as good recovery of platelets and red blood cells due to secondary filtration through electrostatic power between a leucocyte and a cationic residue provided by chitosan on the surface of the non-woven fabric.
    Type: Grant
    Filed: March 18, 1998
    Date of Patent: February 6, 2001
    Assignee: Korea Institute of Science and Technology
    Inventors: Jae-Jin Kim, Sang-Bong Suh, Byung-Ok Jung