Patents by Inventor Yung-geun Choi

Yung-geun 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).

  • Crystal polymorph of 8-bromo-2-(1-methylpiperidin-4-ylamino)-4-(4-phenoxyphenylamino)pyrido[4,3-d]pyrimidin-5(6H)-one hydrochloride and method for preparing same
    Patent number: 11731969
    Abstract: An embodiment relates to a crystal polymorph of 8-bromo-2-(1-methylpiperidin-4-ylamino)-4-(4-phenoxyphenylamino)pyrido [4,3-d]pyrimidin-5(6H)-one hydrochloride which can effectively suppress FLT3 and has excellent stability even in a high temperature and humid environment, and a method for preparing same.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: August 22, 2023
    Assignee: OSCOTEC INC.
    Inventors: Jung-Ho Kim, Jang-Sik Choi, Hee Kyu Lee, Song-eun Park, Dong-Sik Jung, Yung-Geun Choi, Jong-Sung Koh, Se-Won Kim, Jaekyoo Lee
  • CRYSTAL POLYMORPH OF 8-BROMO-2-(1-METHYLPIPERIDIN-4-YLAMINO)-4-(4-PHENOXYPHENYLAMINO)PYRIDO[4,3-D]PYRIMIDIN-5(6H)-ONE HYDROCHLORIDE AND METHOD FOR PREPARING SAME
    Publication number: 20210292322
    Abstract: An embodiment relates to a crystal polymorph of 8-bromo-2-(1-methylpiperidin-4-ylamino)-4-(4-phenoxyphenylamino)pyrido[4,3 -d]pyrimidin-5 (6H)-one hydrochloride which can effectively suppress FLT3 and has excellent stability even in a high temperature and humid environment, and a method for preparing same.
    Type: Application
    Filed: August 12, 2019
    Publication date: September 23, 2021
    Applicant: OSCOTEC INC.
    Inventors: Jung-Ho KIM, Jang-Sik CHOI, Hee Kyu LEE, Song-eun PARK, Dong-Sik JUNG, Yung-Geun CHOI, Jong-Sung KOH, Se-Won KIM, Jaekyoo LEE
  • PYRIDOPYRIMIDINONE DERIVATIVES FOR USE AS AXL INHIBITORS
    Publication number: 20210275532
    Abstract: Pyridopyrimidinone derivatives and pharmaceutical compositions containing the same for use as an Axl inhibitor for the treatment of a disease or condition mediated by Axl such as cancer and metastasis, are disclosed. Also disclosed are methods for treating a Axl-mediated disease or condition by administering to a subject a therapeutically effective amount of the pyridopyrimidinone derivative.
    Type: Application
    Filed: June 26, 2019
    Publication date: September 9, 2021
    Applicant: OSCOTE INC.
    Inventors: Jung-Ho KIM, Jang-Sik CHOI, Hee Kyu LEE, Dong-Sik JUNG, Sung-Ho PARK, Yung-Geun CHOI
  • Substituted pyrimidine compounds and their use as SYK inhibitors
    Patent number: 9212178
    Abstract: Compounds of Formula (I) and methods for inhibiting kinases, including spleen tyrosine kinases, are disclosed. Also disclosed are methods for treating a kinase-mediated disease or condition by administering to a subject a therapeutically effective amount of the compound of Formula (I).
    Type: Grant
    Filed: October 21, 2014
    Date of Patent: December 15, 2015
    Assignees: Genosco, Oscotec, Inc.
    Inventors: Jaekyoo Lee, Jang-Sik Choi, Hae-Jun Hwang, Ho-Juhn Song, Jung-Ho Kim, Se-Won Kim, Jong Sung Koh, Jaesang Lee, Tae-Im Lee, Yung-Geun Choi, Sung-Ho Park, In Yong Lee, Byung-Chul Suh, Paresh Devidas Salgaonkar, Dong-Sik Jung
  • SUBSTITUTED PYRIMIDINE COMPOUNDS AND THEIR USE AS SYK INHIBITORS
    Publication number: 20150111883
    Abstract: Compounds of Formula (I) and methods for inhibiting kinases, including spleen tyrosine kinases, are disclosed. Also disclosed are methods for treating a kinase-mediated disease or condition by administering to a subject a therapeutically effective amount of the compound of Formula (I).
    Type: Application
    Filed: October 21, 2014
    Publication date: April 23, 2015
    Inventors: Jaekyoo Lee, Jang-Sik Choi, Hae-Jun Hwang, Ho-Juhn Song, Jung-Ho Kim, Se-Won Kim, Jong Sung Koh, Jaesang Lee, Tae-Im Lee, Yung-Geun Choi, Sung-Ho Park, In Yong Lee, Byung-Chul Suh, Paresh Devidas Salgaonkar, Dong-Sik Jung
  • Substituted pyrimidine compounds and their use as SYK inhibitors
    Patent number: 8871778
    Abstract: Compounds of Formula (I) and methods for inhibiting kinases, including spleen tyrosine kinases, are disclosed. Also disclosed are methods for treating a kinase-mediated disease or condition by administering to a subject a therapeutically effective amount of the compound of Formula (I).
    Type: Grant
    Filed: January 18, 2013
    Date of Patent: October 28, 2014
    Assignees: Genosco, Oscotec, Inc.
    Inventors: Jang-Sik Choi, Hae-Jun Hwang, Eunho Lee, Jaekyoo Lee, Ho-Juhn Song, Se Won Kim, Jung-Ho Kim, Jong Sung Koh, Tae-im Lee, Yung-geun Choi, Ik-hwan Han, Jaesang Lee, In Yong Lee, Dong Sik Jung
  • SUBSTITUTED PYRIMIDINE COMPOUNDS AND THEIR USE AS SYK INHIBITORS
    Publication number: 20130274242
    Abstract: Compounds of Formula (I) and methods for inhibiting kinases, including spleen tyrosine kinases, are disclosed. Also disclosed are methods for treating a kinase-mediated disease or condition by administering to a subject a therapeutically effective amount of the compound of Formula (I).
    Type: Application
    Filed: January 18, 2013
    Publication date: October 17, 2013
    Inventors: Jang-Sik Choi, Hae-Jun Hwang, Eunho Lee, Jaekyoo Lee, Ho-Juhn Song, Se Won Kim, Jung-Ho Kim, Jong Sung Koh, Sunhwa Chang, Tae-im Lee, Yung-geun Choi, Ik-hwan Han, Jaesang Lee