Patents by Inventor Kyungseop Ahn

Kyungseop Ahn 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).

  • Compositions comprising an extract of or compounds isolated therefrom for preventing and treating cancer diseases
    Patent number: 8299049
    Abstract: The present invention relates to an anoikis-inducing agent comprising a Tiarella polyphylla extract, a tiarellic acid compound isolated therefrom or a pharmaceutically acceptable salt thereof, which is specific to cancer cells expressing a tumor-associated antigen L6 or a homolog thereof. The Tiarella polyphylla extract, the tiarellic acid compound isolated therefrom or pharmaceutically acceptable salt thereof of the present invention leads to loss of cell adhesion to reduce cancer cell proliferation and exhibits the effect of inducing cell death in cancer cells expressing a tumor-associated antigen L6 or a homolog thereof, thereby being used for preventing and treating cancer diseases due to a tumor-associated antigen L6 or a homolog thereof.
    Type: Grant
    Filed: November 25, 2009
    Date of Patent: October 30, 2012
    Assignee: Korea Institute of Bioscience and Biotechnology
    Inventors: Hyeong-Kyu Lee, Sei-Ryang Oh, Kyungseop Ahn, Joongku Lee, Sangku Lee, Ho-Jae Lee, Doo-Young Kim, Jung-Hee Kim, Eun-Ah Kim, Soon-Ja Choi, Soo Hyun Kim, Jung Weon Lee, Su-Yong Choi
  • COMPOSITIONS COMPRISING AN EXTRACT OF TIARELLA POLYPHYLLA OR COMPOUNDS ISOLATED THEREFROM FOR PREVENTING AND TREATING CANCER DISEASES
    Publication number: 20100081638
    Abstract: The present invention relates to an anoikis-inducing agent comprising a Tiarella polyphylla extract, a tiarellic acid compound isolated therefrom or a pharmaceutically acceptable salt thereof, which is specific to cancer cells expressing a tumor-associated antigen L6 or a homolog thereof. The Tiarella polyphylla extract, the tiarellic acid compound isolated therefrom or pharmaceutically acceptable salt thereof of the present invention leads to loss of cell adhesion to reduce cancer cell proliferation and exhibits the effect of inducing cell death in cancer cells expressing a tumor-associated antigen L6 or a homolog thereof, thereby being used for preventing and treating cancer diseases due to a tumor-associated antigen L6 or a homolog thereof.
    Type: Application
    Filed: November 25, 2009
    Publication date: April 1, 2010
    Applicant: KOREA RESEARCH INSTITUTE OF BIOSCIENCE AND BIOTECHNOLOGY
    Inventors: Hyeong-Kyu Lee, Sei-Ryang Oh, Kyungseop Ahn, Joongku Lee, Sangku Lee, Ho-Jae Lee, Doo-Young Kim, Jung-Hee Kim, Eun-Ah Kim, Soon-Ja Choi, Soo Hyun Kim, Jung Weon Lee, Su-Yong Choi
  • BENZOXAZOLE DERIVATIVE OR ANALOGUE THEREOF FOR INHIBITING 5-LIPOXYGENASE AND PHARMACEUTICAL COMPOSITION CONTAINING SAME
    Publication number: 20070066577
    Abstract: A novel benzoxazole derivative of formula (I) or a pharmaceutically acceptable salt thereof is effective for inhibiting 5-lipoxygenase which is useful for preventing or treating leukotriene-related diseases. The prevention also provides a pharmaceutical composition containing same and a method for preventing or treating leukotriene-related diseases.
    Type: Application
    Filed: October 13, 2006
    Publication date: March 22, 2007
    Inventors: Hea Young Park Choo, Hyeong-Kyu Lee, Sei-Ryang Oh, Kyungseop Ahn, Gyoonhee Han, Joo Heon Kim
  • Pectic polysaccharides purified from Angelica gigas nakai and purification method and use as immunostimulating agent thereof
    Patent number: 6420348
    Abstract: An acidic polysaccharide isolated from aqueous extracts of Angelica gigas Nakai roots is disclosed. The compound has both immunostimulatory and anti-neoplastic activity. The compound is comprised primarily of galacturonic acid, arabinose and galactose along with traces of xylose, rhamnose amd mannose. The molecular weight of the compound is about 10,000 Daltons.
    Type: Grant
    Filed: September 8, 2000
    Date of Patent: July 16, 2002
    Assignees: Korea Institute of Science and Technology, Hankook Sin Yak Pharm. Co. Ltd.
    Inventors: Hwanmook Kim, Ikhwan Kim, Sangbae Han, Kyungseop Ahn, Namdoo Hong