Patents by Inventor Gai Ling Li

Gai Ling Li 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).

  • Iontophoretic delivery of rotigotine for the treatment of Parkinson's disease
    Patent number: 7632859
    Abstract: By using a composition comprising rotigotine and at least one chloride salt in a concentration of 1 to 140 mmol/l, the composition having a pH of 4 to 6.5 in a iontophoretic device for the treatment of Parkinson's disease, it became possible to obtain a rotigotine flux across the human stratum corneum which was higher than the one previously obtained with conventional passive diffusion systems.
    Type: Grant
    Filed: November 17, 2003
    Date of Patent: December 15, 2009
    Assignee: Schwarz Pharma AG
    Inventors: Gai Ling Li, Johanna Aaltje Bouwstra, Hans-Michael Wolff, Akhmad Karis Nugroho
  • Iontophoretic delivery of rotigotine for the treatment of Parkinson's disease
    Publication number: 20040116537
    Abstract: By using a composition comprising rotigotine and at least one chloride salt in a concentration of 1 to 140 mmol/l, the composition having a pH of 4 to 6.5 in a iontophoretic device for the treatment of Parkinson's disease, it became possible to obtain a rotigotine flux across the human stratum corneum which was higher than the one previously obtained with conventional passive diffusion systems.
    Type: Application
    Filed: November 17, 2003
    Publication date: June 17, 2004
    Inventors: Gai Ling Li, Johanna Aaltje Bouwstra, Hans-Michael Wolff, Akhmad Kharis Nugroho