Patents Assigned to Nippon Shinyaju Co., Ltd.
  • Method for inducing crystalline state transition in medicinal substance
    Patent number: 5811547
    Abstract: This invention has for its object to provide a method of inducing a transition in crystalline state of a crystallizable medicinal substance with great ease and improved efficiency and uniformity on a high production scale. According to the invention, an extruder is used for inducing a transition from one crystalline state (.DELTA.) to another crystalline state in a crystallizable medicinal substance.
    Type: Grant
    Filed: June 9, 1995
    Date of Patent: September 22, 1998
    Assignee: Nippon Shinyaju Co., Ltd.
    Inventors: Kouichi Nakamichi, Shougo Izumi, Masaaki Oka