Patents by Inventor Jong-Sun Chang

Jong-Sun Chang 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: 9326968
    Abstract: The present invention relates to a composition for enhancing immunity through inducing the expression of interferon-? comprising a compound represented by Formulas 1 to 8, or Sophora flavescens extract comprising the same and fractions thereof as an active ingredient, a feed additive, feed composition, pharmaceutical composition, food composition, and over-the-counter (OTC) drug composition comprising the composition, and a method for enhancing immunity through administrating the composition. A composition for inducing the expression of interferon-?, comprising a compound represented by Formulas 1 to 8 of the present invention, Sophora flavescens extract comprising the same, or fractions thereof as active ingredient can prevent, alleviate, or treat the diseases that can be prevented or treated by increasing the expression of interferon.
    Type: Grant
    Filed: March 28, 2011
    Date of Patent: May 3, 2016
    Assignee: Korea Research Institute of Bioscience and Biotechnology
    Inventors: Mun Chual Rho, Woo Song Lee, Kyoung Oh Cho, Su Jin Park, Young Bae Ryu, Young Min Kim, Seung Woong Lee, Ji Hak Jeong, Mi Hye Park, Jong Sun Chang
  • Publication number: 20130303474
    Abstract: The present invention relates to a composition for enhancing immunity through inducing the expression of interferon-? comprising a compound represented by Formulas 1 to 8, or Sophora flavescens extract comprising the same and fractions thereof as an active ingredient, a feed additive, feed composition, pharmaceutical composition, food composition, and over-the-counter (OTC) drug composition comprising the composition, and a method for enhancing immunity through administrating the composition. A composition for inducing the expression of interferon-?, comprising a compound represented by Formulas 1 to of the present invention, Sophora flavescens extract comprising the same, or fractions thereof as active ingredient can prevent, alleviate, or treat the diseases that can be prevented or treated by increasing the expression of interferon.
    Type: Application
    Filed: March 28, 2011
    Publication date: November 14, 2013
    Applicant: Korea Research Institute of Bioscience and Biotech
    Inventors: Mun Chual Rho, Woo Song Lee, Kyoung Oh Cho, Su Jin Park, Young Bae Ryu, Young Min Kim, Seung Woong Lee, Ji Hak Jeong, Mi Hye Park, Jong Sun Chang
  • Patent number: 8545903
    Abstract: Disclosed is a composition comprising a turmeric extract for preventing and treating influenza virus infection and for inhibiting neuraminidase activity. A turmeric extract, its fraction, and a curcuminoid-based compound separated therefrom may inhibit neuraminidase activity and have antiviral and cell degeneration inhibitory effects on influenza virus, and may be useful in preventing and treating influenza virus infection.
    Type: Grant
    Filed: July 8, 2010
    Date of Patent: October 1, 2013
    Assignee: Korea Research Institute of Bioscience and Biotechnology
    Inventors: Woo-Song Lee, Mun-Chual Rho, Su-Jin Park, Young-Bae Ryu, Jong-Sun Chang, Mal-Sun Shin, Hyung-Jae Jeong, Hyung-Jun Kwon
  • Publication number: 20130041023
    Abstract: The present invention relates to a composition for preventing or treating rotavirus infection, comprising a licorice extract, fractions thereof or compounds separated therefrom. The licorice extract, fractions thereof or compounds separated therefrom have anti-rotavirus effects and exhibit not only virucidal effects against various rotaviruses, but also the effect of inhibiting the cytopathic effect of rotaviruses. Thus, the composition can be effectively used for the prevention or treatment of rotavirus infection.
    Type: Application
    Filed: February 11, 2011
    Publication date: February 14, 2013
    Inventors: Woo Song Lee, Mun Chual Rho, Young Bae Ryu, Su Jin Park, Jong Sun Chang, Hyung Jun Kwon, Ha Hyun Kim, Hyung Jae Jeong
  • Publication number: 20120107429
    Abstract: Disclosed is a composition comprising a turmeric extract for preventing and treating influenza virus infection and for inhibiting neuraminidase activity. A turmeric extract, its fraction, and a curcuminoid-based compound separated therefrom may inhibit neuraminidase activity and have antiviral and cell degeneration inhibitory effects on influenza virus, and may be useful in preventing and treating influenza virus infection.
    Type: Application
    Filed: July 8, 2010
    Publication date: May 3, 2012
    Inventors: Woo-Song Lee, Mun-Chual Rho, Su-Jin Park, Young-Bae Ryu, Jong-Sun Chang, Mal-Sun Shin, Hyung-Jae Jeong, Hyung-Jun Kwon