Patents by Inventor Katsunori Izumizawa

Katsunori Izumizawa 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).

  • Pharmaceutical preparation for remedy of periodontal disease and process for production thereof
    Patent number: 4569837
    Abstract: A pharmaceutical preparation for remedy of periodontal diseases, which is in the form of a film or sheet and is inserted in a periodontal pocket or gingiva, said pharmaceutical preparation comprising a water-soluble polymeric substance having a Young's modulus of 10 to 250 Kg/mm.sup.2 as determined at a temperature of 25.degree. C. and a relative humidity of 65%, and a viscosity of the 2% aqueous solution of 5 to 30,000 CP as determined at 20.degree. C. and a medicinal agent for remedy of periodontal diseases. This pharmaceutical preparation can be prepared by dissolving the above-mentioned water-soluble polymeric substance and medicinal agent in an organic solvent, casting the resultant solution, and removing the organic solvent by drying to obtain a pharmaceutical preparation in the form of a film or sheet.
    Type: Grant
    Filed: June 1, 1984
    Date of Patent: February 11, 1986
    Assignee: Teijin Limited
    Inventors: Yoshiki Suzuki, Hiroshi Ikura, Toshihide Noguchi, Katsunori Izumizawa, Shiro Kinoshita, deceased