Patents by Inventor Ihl-Young Choi

Ihl-Young 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).

  • Patent number: 9833423
    Abstract: Disclosed are 1,3-Dioxoindene derivatives, pharmaceutically acceptable salts thereof or enantiomers, a preparation method thereof, and a pharmaceutical composition for the prevention or treatment of viral diseases, comprising the same as an active ingredient. The 1,3-Dioxoindene derivatives have excellent inhibitory activity against picornaviruses including coxsackie-, entero-, echo-, Polio-, and rhinoviruses, as well as exhibiting low cytotoxicity, so that they can be useful as an active ingredient of a pharmaceutical composition for the prevention or treatment of viral diseases including poliomyelitis, paralysis, acute hemorrhagic conjunctivitis, viral meningitis, hand-foot-and-mouth disease, vesicular disease, hepatitis A, myositis, myocarditis, pancreatitis, diabetes, epidemic myalgia, encephalitis, cold, herpangina, foot-and-mouth disease, asthma, chronic obstructive pulmonary disease, pneumonia, sinusitis or otitis media.
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: December 5, 2017
    Assignees: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY, KATHOLIEKE UNIVERSITEIT LEUVEN K.U. LEUVEN R & D
    Inventors: Young Sik Jung, Chong Kgo Lee, Ihl Young Choi, Hae Soo Kim, Phil Ho Kim, Soo Bong Han, Johan Neyts, Hendrik Jan Thibaut
  • Publication number: 20160272564
    Abstract: Disclosed are 1,3-Dioxoindene derivatives, pharmaceutically acceptable salts thereof or enantiomers, a preparation method thereof, and a pharmaceutical composition for the prevention or treatment of viral diseases, comprising the same as an active ingredient. The 1,3-Dioxoindene derivatives have excellent inhibitory activity against picornaviruses including coxsackie-, entero-, echo-, Polio-, and rhinoviruses, as well as exhibiting low cytotoxicity, so that they can be useful as an active ingredient of a pharmaceutical composition for the prevention or treatment of viral diseases including poliomyelitis, paralysis, acute hemorrhagic conjunctivitis, viral meningitis, hand-foot-and-mouth disease, vesicular disease, hapatitis A, myositis, myocarditis, pancreatitis, diabetes, epidemic myalgia, encephalitis, cold, herpangina, foot-and-mouth disease, asthma, chronic obstructive pulmonary disease, pneumonia, sinusitis or otitis media.
    Type: Application
    Filed: April 14, 2016
    Publication date: September 22, 2016
    Inventors: Young Sik JUNG, Chong Kgo LEE, Ihl Young CHOI, Hae Soo KIM, Phil Ho KIM, Soo Bong HAN, Johan NEYTS, Hendrik Jan Thibaut
  • Patent number: 9346749
    Abstract: Disclosed are 1,3-Dioxoindene derivatives, pharmaceutically acceptable salts thereof or enantiomers, a preparation method thereof, and a pharmaceutical composition for the prevention or treatment of viral diseases, comprising the same as an active ingredient. The 1,3-Dioxoindene derivatives have excellent inhibitory activity against picornaviruses including coxsackie-, entero-, echo-, Polio-, and rhinoviruses, as well as exhibiting low cytotoxicity, so that they can be useful as an active ingredient of a pharmaceutical composition for the prevention or treatment of viral diseases including poliomyelitis, paralysis, acute hemorrhagic conjunctivitis, viral meningitis, hand-foot-and-mouth disease, vesicular disease, hepatitis A, myositis, myocarditis, pancreatitis, diabetes, epidemic myalgia, encephalitis, flu, herpangina, foot-and-mouth disease, asthma, chronic obstructive pulmonary disease, pneumonia, sinusitis or otitis media.
    Type: Grant
    Filed: June 18, 2012
    Date of Patent: May 24, 2016
    Assignees: Korea Research Institute of Chemical Technology, Katholieke Universiteit Leuven K.U.
    Inventors: Young Sik Jung, Chong Kgo Lee, Ihl Young Choi, Hae Soo Kim, Pil Ho Kim, Soo Bong Han, Johan Neyts, Hendrik Jan Thibaut
  • Publication number: 20140121187
    Abstract: Disclosed are 1,3-Dioxoindene derivatives, pharmaceutically acceptable salts thereof or enantiomers, a preparation method thereof, and a pharmaceutical composition for the prevention or treatment of viral diseases, comprising the same as an active ingredient. The 1,3-Dioxoindene derivatives have excellent inhibitory activity against picornaviruses including coxsackie-, entero-, echo-, Polio-, and rhinoviruses, as well as exhibiting low cytotoxicity, so that they can be useful as an active ingredient of a pharmaceutical composition for the prevention or treatment of viral diseases including poliomyelitis, paralysis, acute hemorrhagic conjunctivitis, viral meningitis, hand-foot-and-mouth disease, vesicular disease, hepatitis A, myositis, myocarditis, pancreatitis, diabetes, epidemic myalgia, encephalitis, flu, herpangina, foot-and-mouth disease, asthma, chronic obstructive pulmonary disease, pneumonia, sinusitis or otitis media.
    Type: Application
    Filed: June 18, 2012
    Publication date: May 1, 2014
    Applicants: KATHOLIEKE UNIVERSITEIT LEUVEN K.U. LEUVEN R & D, KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Young Sik Jung, Chong Kgo Lee, Ihl Young Choi, Hae Soo Kim, Pil Ho Kim, Soo Bong Han, Johan Neyts, Hendrik Jan Thibaut
  • Patent number: 5889027
    Abstract: The present invention relates to 3(2H)-furanone compounds possessing fungicidal activity to plant fungi and a process for preparing them.
    Type: Grant
    Filed: December 29, 1997
    Date of Patent: March 30, 1999
    Assignee: Korea Research Institute of Chemical Technology
    Inventors: Jae-Hyun Lee, Ihl-Young Choi, Hyun-Jin Kim, Gyung-Ja Choi