Patents Represented by Attorney, Agent or Law Firm Lurosso & Loud
  • Microemulsion
    Patent number: 6303662
    Abstract: A microemulsion containing (A) a highly polar and fat-soluble oil drug, a highly polar oil and a lowly polar oil, (B) a polyglycerol mono-fatty acid ester and (C) a water-soluble polyhydric alcohol, wherein the amount of (B) is 0.3 to 3 parts by weight based on one part by weight of (A) and the amount of (C) is 0.1 to 3 parts by weight based on one part by weight of the total amount of (A) and (B). The present invention makes it possible to make a microemulsion containing a highly polar and fat-soluble drug which is highly stable.
    Type: Grant
    Filed: October 15, 1999
    Date of Patent: October 16, 2001
    Assignee: Taisho Pharmaceutical Co., Ltd.
    Inventors: Tohru Nagahama, Kazuo Hasegawa