Patents by Inventor Yoshiko Nagatsuma

Yoshiko Nagatsuma 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).

  • Method for absorbing free hemoglobin from blood
    Patent number: 4952322
    Abstract: An absorbent for absorbing free hemoglobin from blood is provided, which comprises a water insoluble porous carrier having phenyl and/or phenol groups on the surface of the carrier. The phenyl and/or phenol groups may be a constituent of the carrier itself, or they may be a constituent of a separate compound affixed to the carrier surface, directly or through use of a coupling agent. Also provided is a method for absorbing free hemoglobin from whole blood or separated plasma which includes contacting the whole blood or plasma with the absorbent.
    Type: Grant
    Filed: December 1, 1988
    Date of Patent: August 28, 1990
    Assignee: Japan Medical Supply Co., Ltd.
    Inventors: Masafumi Sugiyama, Yoshiko Nagatsuma