Patents Assigned to Nitti Electric Industrial Co., Ltd.
  • Patent number: 5151271
    Abstract: A pressure-sensitively adhering multilayer medicinal preparation comprises a pressure-sensitively adhering macromolecular substance layer and a polymer layer adjacent thereto and the drug and adjuvant incorporated in said preparation each can migrate from the layer of its original incorporation into the other, said adjuvant being capable of increasing absorption of the drug. In such preparation, the drug amount per unit volume can be increased.
    Type: Grant
    Filed: October 24, 1989
    Date of Patent: September 29, 1992
    Assignee: Nitti Electric Industrial Co., Ltd.
    Inventors: Saburo Otsuka, Yuusuke Ito, Toshiyuki Yoshikawa, Shoichi Tokuda