Patents Assigned to Unicliffe Limited
  • Louse repellent
    Patent number: 5696158
    Abstract: A pediculicidal composition is provided which is effective against both adult lice and lice eggs and additionally exhibits a strong repellent effect on adult lice. The active ingredient is piperonal which is generally used in solution at a concentration of at least 3%. An additional component of the composition is a film-forming material which is capable of holding the piperonal in contact with the host for at least two hours.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: December 9, 1997
    Assignee: Unicliffe Limited
    Inventor: William John Oliver