Patents by Inventor Ii Hwan Cho

Ii Hwan Cho 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).

  • Nucleic acid delivery system comprising conjugates of PEI and hyaluronic acid
    Patent number: 8318856
    Abstract: The present invention relates to a delivery system for nucleic acid using a cationic polymer conjugate, and more specifically relates to a delivery system for nucleic acid comprising a cationic polymer conjugate prepared by conjugating hyaluronic acid or its derivative and polyethyleneimine, and a composition of delivering a nucleic acid into mammalian cell comprising a complex of the nucleic acid and a cationic polymer conjugate with electrostatic binding.
    Type: Grant
    Filed: April 4, 2008
    Date of Patent: November 27, 2012
    Assignees: Postech Academy-Industry Foundation, Korea University Industry and Academy Collaboration Foundation
    Inventors: Yu-Kyoung Oh, Hyun-Gu Kang, Ji-Seok Kim, Jiang Ge, Ki-Su Kim, Ki-Tae Park, Su-Eun Han, Ga-Yong Shim, Ii-Hwan Cho, Sei-Kwang Hahn
  • Delivery system for nucleic acids using cationic polymer conjugates
    Publication number: 20100144035
    Abstract: The present invention relates to a delivery system for nucleic acid using a cationic polymer conjugate, and more specifically relates to a delivery system for nucleic acid comprising a cationic polymer conjugate prepared by conjugating hyaluronic acid or its derivative and polyethyleneimine, and a composition of delivering a nucleic acid into mammalian cell comprising a complex of the nucleic acid and a cationic polymer conjugate with electrostatic binding.
    Type: Application
    Filed: April 4, 2008
    Publication date: June 10, 2010
    Inventors: Yu-Kyoung Oh, Hyun-Gu Kang, Ji-Seok Kim, Jiang Ge, Ki-Su Kim, Ki-Tae Park, Su-Eun Han, Ga-Yong Shim, II-Hwan Cho, Sei-Kwang Hahn
  • Diary 1,2,4-triazole derivatives as a highly selective cyclooxygenase-2 inhibitor
    Publication number: 20060009495
    Abstract: The present invention relates to a novel diaryl 1,2,4-triazole derivative of the following formula 1 as a highly selective cyclooxygenase-2 inhibitor: Wherein, R1, R2, R3, R4, R5, W and A is as defined in this specification.
    Type: Application
    Filed: September 12, 2005
    Publication date: January 12, 2006
    Applicant: CJ CORP.
    Inventors: II-hwan Cho, Jee-woong Lim, Ji-young Noh, Jong-hoon Kim, Sang-wook Park, Hyung-chul Ryu, Je-hak Kim, Jong-ho Kim, So-young Wang, Dal-hyun Kim, Chun-seon Lyu
  • Bipyridinyl derivatives as a highl selective cyclooxygenase-2 inhibitor
    Publication number: 20040254378
    Abstract: The present invention relates to a novel bipyridinyl derivative having a structure of formula (1) and its pharmaceutically acceptable salts, optical isomer and method for preparing it as a highly selective cyclooxygenase-2 inhibitor, wherein R is defined in this specification.
    Type: Application
    Filed: May 4, 2004
    Publication date: December 16, 2004
    Inventors: II-Hwan Cho, Jee-Woong Lim, Ji-Young Noh, Jong-Hoon Kim, Sang-Wook Park, Hyung-Chul Ryu, Je-Hak Kim, Jong-Ho Kim, So-Young Wang, Dal-Hyun Kim
  • 3,4-dihydro-1H-naphthalene derivatives as a highly selective cyclooxygenase-2 inhibitor
    Patent number: 6768019
    Abstract: The present invention relates to a novel 3,4-dihydro-1H-naphthalene derivative having a structure of formula 1 or formula 2, its pharmaceutically acceptable salts and their geometric isomers as a highly selective cyclooxygenase-2 inhibitor. Wherein R1, R2, X, A and Q are defined in this specification respectively.
    Type: Grant
    Filed: June 5, 2003
    Date of Patent: July 27, 2004
    Assignee: Cheil Jedang Corporation
    Inventors: Ii Hwan Cho, Jee Woong Lim, Ji Young Noh, Jong Hoon Kim, Sang Wook Park, Hyung Chul Ryu, Je Hak Kim, Hyung Ok Chun, So Young Wang, Sung Hak Lee
  • Isothiazole derivatives, process for the preparation thereof, and pharmaceutical composition including the same
    Publication number: 20040072884
    Abstract: The present invention relates to an isothiazole derivative of the following formula 1 or nontoxic salt thereof: 1
    Type: Application
    Filed: October 9, 2003
    Publication date: April 15, 2004
    Applicant: CJ Corp.
    Inventors: II Hwan Cho, Dong Hyun Ko, Myeong Yun Chae, In Ki Min, Young Hoon Kim, Young Mee Chung, Hyun Jung Park, Ji Young Noh, II Hwan Kim, Hyung Chul Ryu, Sang Wook Park, Sung Hak Jung, Jong Hoon Kim