Patents Assigned to Ricom Corp
  • Deodorizer
    Patent number: 5639470
    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 100.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: August 16, 1993
    Date of Patent: June 17, 1997
    Assignees: Ricom Corp, Zeria Pharmaceutical Co. Ltd., Mitsui & Co.
    Inventors: Sadami Ishibashi, Tadao Hamaya, Tadashi Imai, Masao Iijima