Patents Represented by Law Firm Roselman & Colin
  • Sustained release capsule
    Patent number: 5498422
    Abstract: A sustained release capsule excellent in adhesion characteristics in the gastrointestinal tract, stability and so on is provided. The capsule is characterized in that a polymer excellent in initial adhesion and a polymer excellent in shape-retaining ability are dispersed in a liquid substance in the capsule, that a physiologically active substance is dispersed or dissolved in the liquid substance and that the moisture content in the whole preparation is not more than 2%.
    Type: Grant
    Filed: October 7, 1993
    Date of Patent: March 12, 1996
    Assignee: Nippon Shinyaku Company Limited
    Inventors: Kouichi Nakamichi, Shogo Izumi, Hiroshi Fukui