Patents by Inventor Jitsuo Kobayashi

Jitsuo Kobayashi 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).

  • Mucous membrane-adhering film preparation and process for its preparation
    Patent number: 4517173
    Abstract: A mucous membrane-adhering film preparation wherein the film consists of two layers. One layer of the film consists of the pharmaceutical agents and water-soluble high polymer material. The other layer of the film material consists of poor water-soluble agents. The pharmaceutical agent and water-soluble high polymer material layer first layer and the poor water-soluble agents second layer are separately prepared in solvents. The first solution is coated on a base plate having a favorable releasing nature, and, by removing the solvent, the film is produced on the base plate, the second solvent is then coated on the first layer and by removing the solvent, the desired film having one poor water-soluble surface is produced.
    Type: Grant
    Filed: May 25, 1982
    Date of Patent: May 14, 1985
    Assignee: Nippon Soda Co. Ltd.
    Inventors: Hidenori Kizawa, Norimasa Fujiyama, Jitsuo Kobayashi, Akinori Ito