Patents by Inventor Li-Syuan JIAN

Li-Syuan JIAN 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).

  • Patent number: 8815221
    Abstract: A composition used for skin whitening includes: an effective amount of spermidine derivative, wherein a structure of the spermidine derivative is shown as Structure (I): where R1-R5 individually includes H, OH, or OCH3 and at least one of R1-R5 is OH, and the spermidine derivative has tyrosinase inhibition activity; and a cosmetically or pharmaceutically acceptable vehicle, wherein the composition used for skin whitening whitens skin.
    Type: Grant
    Filed: August 5, 2010
    Date of Patent: August 26, 2014
    Assignee: Industrial Technology Research Institute
    Inventors: Lain-Tze Lee, Hui-Ping Tsai, Ling-Meei Tsay, Li-Syuan Jian, Chia-Mu Tu
  • Publication number: 20110033403
    Abstract: A composition used for skin whitening includes: an effective amount of spermidine derivative, wherein a structure of the spermidine derivative is shown as Structure (I): where R1-R5 individually includes H, OH, or OCH3 and at least one of R1-R5 is OH, and the spermidine derivative has tyrosinase inhibition activity; and a cosmetically or pharmaceutically acceptable vehicle, wherein the composition used for skin whitening whitens skin.
    Type: Application
    Filed: August 5, 2010
    Publication date: February 10, 2011
    Inventors: Lain-Tze LEE, Hui-Ping TSAI, Ling- Meei TSAY, Li-Syuan JIAN, Chia-Mu TU