Patents by Inventor Jong Ouk BAEK

Jong Ouk BAEK 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).

  • Crystalline forms of a quinazoline compound and its hydrochloride salts
    Patent number: 11883402
    Abstract: This patent document relates to the crystalline forms of a quinazoline compound and the hydrochloride salts thereof. More particularly, this patent document relates to a preparation method of the crystalline forms of 1-(4-(4-(3,4-dichloro-2-fluorophenylamino)-7-methoxyquinazolin-6-yloxy)piperidin-1-yl)prop-2-en-1-one and its hydrochloride salts.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: January 30, 2024
    Assignees: Hanmi Pharmaceutical Co., Ltd., Spectrum Pharmaceuticals, Inc.
    Inventors: Jong Ouk Baek, Hee Cheol Kim, Tae Hee Ha, Kweehyun Suh, Guru Reddy
  • CRYSTALLINE FORMS OF A QUINAZOLINE COMPOUND AND ITS HYDROCHLORIDE SALTS
    Publication number: 20220056011
    Abstract: This patent document relates to the crystalline forms of a quinazoline compound and the hydrochloride salts thereof. More particularly, this patent document relates to a preparation method of the crystalline forms of 1-(4-(4-(3,4-dichloro-2-fluorophenylamino)-7-methoxyquinazolin-6-yloxy)piperidin-1-yl)prop-2-en-1-one and its hydrochloride salts.
    Type: Application
    Filed: September 12, 2019
    Publication date: February 24, 2022
    Inventors: Jong Ouk Baek, Hee Cheol Kim, Tae Hee Ha, Kweehyun Suh
  • Crystalline forms of hydrochloride salts of thienopyrimidine compound
    Patent number: 11008333
    Abstract: A crystalline form of an alkyl benzene sulfonyl urea compound that is useful as an oral antidiabetics is disclosed. Specifically, the compound is a hydrochloride salt of N-(3-(2-(4-(4-methylpiperazin-1-yl)phenylamino)thieno[3,2-d]pyrimidin-4-yloxy)phenyl)acrylamide of the following formula I.
    Type: Grant
    Filed: December 30, 2016
    Date of Patent: May 18, 2021
    Assignee: HANMI PHARM. CO., LTD.
    Inventors: Jong Ouk Baek, Ji Young Jeon, Hee Sook Oh, Hee Cheol Kim, Sun Young Jang, Tae Hee Ha
  • NOVEL METHOD FOR PREPARING (2R)-2-(2-METHOXYPHENYL)-2-(OXANE-4-YLOXY)ETHANE-1-OL COMPOUND, AND INTERMEDIATE USED THEREIN
    Publication number: 20200283401
    Abstract: A novel method for preparing a compound of Chemical Formula 1 is disclosed. The method includes a step of obtaining a compound of Chemical Formula 1 by performing a reduction reaction on a compound of Chemical Formula 2; and an intermediate used therein.
    Type: Application
    Filed: September 27, 2018
    Publication date: September 10, 2020
    Applicant: HANMI PHARM. CO., LTD.
    Inventors: Wook JANG, Jong Ouk BAEK, Hee Cheol KIM, Tae Hee HA
  • CRYSTALLINE FORMS OF HYDROCHLORIDE SALTS OF THIENOPYRIMIDINE COMPOUND
    Publication number: 20200270268
    Abstract: The present invention relates to a crystalline form of a hydrochloride salt of N-(3-(2-(4-(4-methylpiperazin-1-yl)phenylamino)thieno[3,2-d]pyrimidin-4-yloxy)phenyl)acrylamide, and a pharmaceutical composition containing the same. The crystalline form of the hydrochloride salt of the compound can be easily used for preparing a pharmaceutical composition containing the same as an active ingredient.
    Type: Application
    Filed: December 30, 2016
    Publication date: August 27, 2020
    Applicant: HANMI PHARM. CO., LTD.
    Inventors: Jong Ouk BAEK, Ji Young JEON, Hee Sook OH, Hee Cheol KIM, Sun Young JANG, Tae Hee HA
  • Crystalline forms of thienopyrimidine compound
    Patent number: 10464946
    Abstract: The present invention relates to crystalline forms of N-(3-(2-(4-(4-methylpiperazin-1-yl)phenylamino)thieno[3,2-d]pyrimidin-4-yloxy)phenyl)acrylamide, and pharmaceutical compositions containing the same. The crystalline forms can be easily used for the preparation of a pharmaceutical composition containing the same as an active ingredient.
    Type: Grant
    Filed: December 30, 2016
    Date of Patent: November 5, 2019
    Assignee: HANMI PHARM. CO., LTD.
    Inventors: Jae Hyuk Jung, Jong Ouk Baek, Sun Young Jung, Eun Joo Kwak, Hee Cheol Kim, Tae Hee Ha
  • CRYSTALLINE FORMS OF THIENOPYRIMIDINE COMPOUND
    Publication number: 20190016733
    Abstract: The present invention relates to crystalline forms of N-(3-(2-(4-(4-methylpiperazin-1-yl)phenylamino)thieno[3,2-d]pyrimidin-4-yloxy)phenyl)acrylamide, and pharmaceutical compositions containing the same. The crystalline forms can be easily used for the preparation of a pharmaceutical composition containing the same as an active ingredient.
    Type: Application
    Filed: December 30, 2016
    Publication date: January 17, 2019
    Applicant: HANMI PHARM. CO., LTD.
    Inventors: Jae Hyuk JUNG, Jong Ouk BAEK, Sun Young JUNG, Eun Joo KWAK, Hee Cheol KIM, Tae Hee HA
  • Method for preparing thienopyrimidine compound and intermediates used therein
    Patent number: 10160770
    Abstract: A method for preparing a thienopyrimidine compound of Formula 1, which is a selective inhibitor of tyrosine kinase activity, in particular, of mutant epidermal growth factor receptor tyrosine kinase. Intermediates used in the method are provided.
    Type: Grant
    Filed: July 2, 2018
    Date of Patent: December 25, 2018
    Assignee: HANMI PHARM. CO., LTD.
    Inventors: Jong Ouk Baek, Jae Hyuk Jung, Ho Seok Kim, Tae Hee Ha, Kwee Hyun Suh
  • METHOD FOR PREPARING THIENOPYRIMIDINE COMPOUND AND INTERMEDIATES USED THEREIN
    Publication number: 20180312521
    Abstract: A method for preparing a thienopyrimidine compound of Formula 1, which is a selective inhibitor of tyrosine kinase activity, in particular, of mutant epidermal growth factor receptor tyrosine kinase. Intermediates used in the method are provided.
    Type: Application
    Filed: July 2, 2018
    Publication date: November 1, 2018
    Applicant: HANMI PHARM. CO., LTD.
    Inventors: Jong Ouk BAEK, Jae Hyuk JUNG, Ho Seok KIM, Tae Hee HA, Kwee Hyun SUH
  • Method for preparing thienopyrimidine compound and intermediates used therein
    Patent number: 10040801
    Abstract: The present invention provides a novel method for preparing a thienopyrimidine compound of Formula 1, which is a selective inhibitor of tyrosine kinase activity, in particular, of mutant epidermal growth factor receptor tyrosine kinase, and novel intermediates used in the method.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: August 7, 2018
    Assignee: HANMI PHARM. CO., LTD.
    Inventors: Jong Ouk Baek, Jae Hyuk Jung, Ho Seok Kim, Tae Hee Ha, Kwee Hyun Suh
  • NOVEL METHOD FOR PREPARING THIENOPYRIMIDINE COMPOUND AND INTERMEDIATES USED THEREIN
    Publication number: 20170369504
    Abstract: The present invention provides a novel method for preparing a thienopyrimidine compound of Formula 1, which is a selective inhibitor of tyrosine kinase activity, in particular, of mutant epidermal growth factor receptor tyrosine kinase, and novel intermediates used in the method.
    Type: Application
    Filed: December 30, 2015
    Publication date: December 28, 2017
    Applicant: HANMI PHARM. CO., LTD.
    Inventors: Jong Ouk BAEK, Jae Hyuk JUNG, Ho Seok KIM, Tae Hee HA, Kwee Hyun SUH