Patents by Inventor Yap Siew Ping Yap

Yap Siew Ping Yap has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Drug delivery system:formulation for fat-soluble drugs
    Patent number: 6596306
    Abstract: This invention relates to a novel formulation for fat-soluble drugs which self-emulsify in the presence of an aqueous medium with little agitation. More specifically, the invention is concerned with the formulation of a new dosage form for fat-soluble drugs in the form of a soft-gelatin capsule which forms emulsion instantly when the contents are released and mixed with gastrointestinal fluid. The formulation comprises a suitable mixture of drug with an appropriate oil and an appropriate surfactant system.
    Type: Grant
    Filed: July 7, 2000
    Date of Patent: July 22, 2003
    Inventors: David Ho Sue San Ho, Yuen Kah Hay Yuen, Yap Siew Ping Yap