Patents by Inventor Cheon-Koo LEE

Cheon-Koo LEE 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).

  • Publication number: 20170209391
    Abstract: The present disclosure relates to a system for administering retinol into skin that ensures stability of retinol, reduces skin irritation of retinol, and continues to exert effects, wherein the system is a microneedle including microparticles containing retinol or retinol derivatives. The present disclosure further provides a method for manufacturing a retinol administration system that reduces skin irritation, exerts effects of retinol for a long time, and ensures stability of retinol very unstable to light, wet and temperature. The present disclosure further provides a method for administering retinol into skin using the microneedle.
    Type: Application
    Filed: April 23, 2015
    Publication date: July 27, 2017
    Applicant: LG HOUSEHOLD & HEALTH CARE LTD.
    Inventors: Woo-Sun SHIM, Dong-Chan KIM, Young-Min HWANG, Sun-Hwa LEE, Nae-Gyu KANG, Sun-Gyoo PARK, Cheon-Koo LEE