Patents by Inventor Chang Guen Yi

Chang Guen Yi 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).

  • MULTI-LAYERED LAMELLAR GRANULE AND SKIN EXTERNAL APPLICATION COMPOSITION CONTAINING SAME
    Publication number: 20110123583
    Abstract: Provided are: a multi-layered lamellar granule comprising a nucleating agent, a ceramide-containing artificial stratum corneum lipid lamellar layer which encases the nucleating agent and a polymer layer disposed on the artificial stratum corneum lipid lamellar layer; and an external skin application composition comprising the same. The external skin application composition shows improved moisturizing and barrier repair capabilities when applied to the skin, which can be advantageously used in cosmetics and pharmaceuticals.
    Type: Application
    Filed: September 2, 2008
    Publication date: May 26, 2011
    Applicant: AMOREPACIFIC CORPORATION
    Inventors: Do Hoon Kim, Eun Jung An, Jae Sung Hwang, Hong Ju Shin, Won Seok Park, Chang Guen Yi, Jong Hee Park, Jeong Hwan Kim, Jin Woong Kim, Jung A Seo, Yong Jin Kim, Jong Won Shim, Mi Jin Kim