Patents by Inventor Konomi Iguchi

Konomi Iguchi 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 of purifying daunomycin
    Patent number: 6388058
    Abstract: The present invention relates to a method in which daunomycin is eluted from a hydrophobic porous synthetic resin carrier onto which daunomycin is adsorbed from crude daunomycin with a buffered aqueous solution containing a water-miscible organic solvent to recover purified daunomycin. Daunomycin (daunorubicin) is purified efficiently.
    Type: Grant
    Filed: February 25, 2000
    Date of Patent: May 14, 2002
    Assignee: Mercian Corporation
    Inventors: Osamu Johdo, Konomi Iguchi, Takeo Yoshioka