Patents by Inventor Guang-Feng Rao

Guang-Feng Rao 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).

  • Nutraceutical composition comprising soluble keratin or derivative thereof
    Patent number: 7579317
    Abstract: Keratin and derivatives thereof, preferably S-sulfonated keratin intermediate filament protein, S-sulfonated keratin high sulfur protein, and S-sulfonated peptides provide antioxidant activity, e.g., that equal to 200-2200 ?mol TEAC/100 g or 100 ml, and are useful in an oral supplement to cause reduction in oxidative stress and benefits stemming therefrom, e.g., promoting skin health and to provide anti-inflammatory effect.
    Type: Grant
    Filed: March 8, 2006
    Date of Patent: August 25, 2009
    Assignee: Keratec, Ltd.
    Inventors: Robert J. Kelly, Gregory D. Ellis, Rebecca J. Macdonald, Robert A. McPherson, Paul G. Middlewood, Mark G. Nuthall, Guang-Feng Rao, Alisa D. Roddick-Lanzilotta, Gudmundur F. Sigurjonsson, Diane J. Singleton
  • Keratin and soluble derivatives thereof for a nutraceutical and to reduce oxidative stress and to reduce inflammation and to promote skin health
    Publication number: 20070065506
    Abstract: Keratin and derivatives thereof, preferably S-sulfonated keratin intermediate filament protein, S-sulfonated keratin high sulfur protein, and S-sulfonated peptides provide antioxidant activity, e.g., that equal to 200-2200 ?mol TEAC/100 g or 100 ml, and are useful in an oral supplement to cause reduction in oxidative stress and benefits stemming therefrom, e.g., promoting skin health and to provide anti-inflammatory effect.
    Type: Application
    Filed: March 8, 2006
    Publication date: March 22, 2007
    Inventors: Robert Kelly, Gregory Ellis, Rebecca Macdonald, Robert McPherson, Paul Middlewood, Mark Nuthall, Guang-Feng Rao, Alisa Roddick-Lanzilotta, Gudmundur Sigurjonsson, Diane Singleton