Patents by Inventor Masuko Suzuki

Masuko Suzuki 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).

  • Immunopotentiating agents and method
    Patent number: 4971956
    Abstract: A new immunopotentiating agent is now provided, which is useful for enhancing the immune response in living animals, including man, against the bacterial and fungan infections and also against the growth of tumors, and which comprises as active ingredient a water-soluble chitin-oligomer selected from di-N-acetyl-chitobiose, tri-N-acetyl-chitotriose, tetra-N-acetyl-chitotetraose, penta-N-acetyl-chitopentaose, hexa-N-acetyl-chitohexaose and hepta-N-acetyl-chitoheptaose, or a water-soluble chitosan-oligomer selected from chitobiose, chitotriose, chitotetraose, chitopentaose, chitohexaose and chitoheptaose. An immunopotentiating method using said water-soluble chitin-oligomer or said water-soluble chitosan-oligomer as the active ingredient is also provided.
    Type: Grant
    Filed: June 7, 1989
    Date of Patent: November 20, 1990
    Assignee: Ihara Chemical Industry Co., Ltd.
    Inventors: Shigeo Suzuki, Masuko Suzuki, Hitoshi Katayama