Patents by Inventor Koon-Wah Hleong

Koon-Wah Hleong 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).

  • Hydrophilic coatings for medical implements
    Patent number: 7553511
    Abstract: Compositions, methods, devices and kits utilizing water-based hydrophilic coating formulations on medical implements. The composition for applying a coating comprises a sulfonated polyester, water, and a surface active agent. Methods for coating a medical implement comprise providing an aqueous dispersion comprising sulfonated polyester and surface active agent, contacting the medical implement with the aqueous dispersion, and drying the medical implement. Methods for acquiring a sample of bodily fluid from a patient comprise coating a needle with a sulfonated polyester, penetrating the needle into the patient, and drawing bodily fluid through the needle.
    Type: Grant
    Filed: November 22, 2005
    Date of Patent: June 30, 2009
    Assignee: Lifescan, Inc.
    Inventor: Koon-Wah Hleong