Patents Assigned to Mitsui & Company Ltd.
  • Patent number: 5804174
    Abstract: A deodorizer comprises a hydrophilic solvent extract of fruit-bodies of champignon mushroom or powder of the extract as an effective component. The extract of champignon mushroom used as an effective component can be prepared by a method which comprises the step of immersing the mushroom in a hydrophilic solvent at a temperature ranging from 60.degree. to 1000.degree. C. for 15 minutes to 2 hours to perform extraction. The extract can further be treated to obtain the effective components in the form of powder.
    Type: Grant
    Filed: December 31, 1996
    Date of Patent: September 8, 1998
    Assignees: Ricom Corporation, Zeria Pharmaceuticals, Mitsui & Company Ltd.
    Inventors: Sadami Ishibashi, Tadao Hamaya, Tadashi Imai, Masao Iijima