Patents by Inventor Suying Liu

Suying Liu 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).

  • Transdermal rate-controlled delivery of Huperzine A for treatment of alzheimer's disease
    Patent number: 6352715
    Abstract: This invention relates to a novel transdermal drug delivery system whereby Huperzine A (“Hup A”), a naturally occurred Acetylcholine esterase inhibitor traditionally used to alleviate memory problem, is formulated for transdermal administration suitable for the treatment of Alzheimer's Disease (“AD”) to increase the efficacy and convenience for outpatient care of AD patients. A controlled-release skin patch designed for once-a-week application of Hup A is provided for easy AD medication according to the invention.
    Type: Grant
    Filed: June 12, 2000
    Date of Patent: March 5, 2002
    Assignee: Sagittarius Life Science Corp
    Inventors: Kou Mark Hwang, Suying Liu