Patents by Inventor Wonrack Choi

Wonrack Choi 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).

  • Triterpene compounds which are effective on improvement of brain function
    Patent number: 8790687
    Abstract: The present invention relates to the triterpene compounds improving in brain functions. In particular, the present invention relates to a novel use of the triterpene compounds represented by the Formula 1 for improving decreased memory and a pharmaceutical composition for improving brain functions comprising the triterpene compounds represented by the Formula 1.
    Type: Grant
    Filed: December 21, 2009
    Date of Patent: July 29, 2014
    Assignee: SK Chemicals Co., Ltd.
    Inventors: Wonrack Choi, Chang-Kyun Han, Tae Kon Kim, Guang-Jin Im, Chil Mann Jung, Se Jun Yun, Bongcheol Kim, Soomin Lee, Wie-Jong Kwak
  • spp. extracts effective in brain function
    Patent number: 7919127
    Abstract: This invention relates to Pulsatillae Radix extract for improving brain functions. More specifically, this invention relates to Pulsatillae Radix extract, its active fractions and a pharmaceutical product and a health food containing the same respectively having a protective activity against neurotoxicity and a growth inhibitory effect induced by beta-amyloid, an anti-oxidizing effect, a neuron proliferating effect and improving memory thereby effective in improving brain functions such as Mild Cognitive Impairment and dementia.
    Type: Grant
    Filed: February 3, 2005
    Date of Patent: April 5, 2011
    Assignee: SK Chemicals Co., Ltd.
    Inventors: Wonrack Choi, Chang-Kyun Han, Jung-Woo Seo, Guang-Jin Im, ChilMann Jung, Se Jun Yun, Wie-Jong Kwak, Tae Kon Kim, bongcheol Kim, Soomin Lee
  • OLEANANE TRITERPENE SAPONIN COMPOUNDS WHICH ARE EFFECTIVE ON TREATMENT OF DEMENTIA AND MILD COGNITIVE IMPAIRMENT (MCI) AND IMPROVEMENT OF COGNITIVE FUNCTION
    Publication number: 20100190968
    Abstract: The present invention relates to the use of oleanane-type triterpene saponin compounds, which are effective for improving memory and learning ability, as an effective ingredient of drugs for the treatment and prevention of dementia and mild cognitive impairment and health foods for the improvement of brain functions including cognitive function.
    Type: Application
    Filed: October 24, 2006
    Publication date: July 29, 2010
    Inventors: Bong Cheol Kim, Wonrack Choi, Soo Min Lee, Se Jun Yun, Chang-Kyun Han, Guang-Jin Im, Wie-Jong Kwak
  • TRITERPENE COMPOUNDS WHICH ARE EFFECTIVE ON IMPROVEMENT OF BRAIN FUNCTION
    Publication number: 20100099763
    Abstract: The present invention relates to the triterpene compounds improving in brain functions. In particular, the present invention relates to a novel use of the triterpene compounds represented by the Formula 1 for improving decreased memory and a pharmaceutical composition for improving brain functions comprising the triterpene compounds represented by the Formula 1.
    Type: Application
    Filed: December 21, 2009
    Publication date: April 22, 2010
    Inventors: Wonrack CHOI, Chang-Kyun Han, Tae Kon Kim, Guang-Jin Im, Chil Mann Jung, Se Jun Yun, Bongcheol Kim, Soomin Lee, Wie-Jong Kwak
  • Pulsatilla Spp. Extracts Effective in Brain Function
    Publication number: 20080248143
    Abstract: This invention relates to Pulsatillae Radix extract for improving brain functions. More specifically, this invention relates to Pulsatillae Radix extract, its active fractions and a pharmaceutical product and a health food containing the same respectively having a protective activity against neurotoxicity and a growth inhibitory effect induced by beta-amyloid, an anti-oxidizing effect, a neuron proliferating effect and improving memory thereby effective in improving brain functions such as Mild Cognitive Impairment and dementia.
    Type: Application
    Filed: February 3, 2005
    Publication date: October 9, 2008
    Inventors: Wonrack Choi, Chang-Kyun Han, Jung-Woo Seo, Guang-Jin Im, Chilmann Jung, Se Jun Yun, Wie-Jong Kwak, Tae Kon Kim, Bongcheol Kim, Soomin Lee
  • Triterpene Compounds which are Effective on Improvement of Brain Function
    Publication number: 20070249711
    Abstract: The present invention relates to the triterpene compounds improving in brain functions. In particular, the present invention relates to a novel use of the triterpene compounds represented by the Formula 1 for improving decreased memory and a pharmaceutical composition for improving brain functions comprising the triterpene compounds represented by the Formula 1.
    Type: Application
    Filed: October 11, 2004
    Publication date: October 25, 2007
    Inventors: Wonrack Choi, Chang-Kyun Han, Tae Kim, Guang-Jin Im, Chil Jung, Se Yun, Bongcheol Kim, Soomin Lee, Wie-Jong Kwak