Patents Assigned to Hanmi Science Co., Ltd
  • Patent number: 11872283
    Abstract: The present invention relates to a conjugate comprising oxyntomodulin, an immunoglobulin Fc region, and non-peptidyl polymer wherein the conjugate being obtainable by covalently linking oxyntomodulin to immunoglobulin Fc region via non-peptidyl polymer, and a pharmaceutical composition for the prevention or treatment of obesity comprising the conjugates. The conjugate comprising oxyntomodulin and the immunoglobulin Fc of the present invention reduces food intake, suppresses gastric emptying, and facilitates lipolysis without side-effects, unlike native oxyntomodulin, and also shows excellent receptor-activating effects and long-term sustainability, compared to native oxyntomodulin. Thus, it can be widely used in the treatment of obesity with safety and efficacy.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: January 16, 2024
    Assignee: Hanmi Science Co., Ltd
    Inventors: Sung Youb Jung, Dae Jin Kim, Sung Hee Park, Young Eun Woo, In Young Choi, Se Chang Kwon
  • Publication number: 20220064145
    Abstract: A method for the synthesis of a compound of Formula II is provided. Also disclosed is the salt form of the compound. The method includes the introduction of a piperidinyl moiety in a polar aprotic solvent system, followed by the removal of the protecting group and the acrylation step.
    Type: Application
    Filed: August 26, 2021
    Publication date: March 3, 2022
    Applicant: Hanmi Science Co., Ltd.
    Inventors: Keuk Chan Bang, Young Ho Moon, Young Kil Chang
  • Patent number: 10442848
    Abstract: The present invention relates to a novel peptide showing more excellent activities on a glucagon like peptide-1 receptor and a glucagon receptor than native oxyntomodulin, and a composition for the prevention or treatment of obesity comprising the peptide as an active ingredient. Unlike native oxyntomodulin, the novel peptide of the present invention reduces food intake, suppresses gastric emptying, and facilitates lipolysis with reduced side-effects, and also shows excellent receptor-activating effects. Thus, it can be widely used in the treatment of obesity with safety and efficacy.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: October 15, 2019
    Assignee: Hanmi Science Co., Ltd.
    Inventors: Sung Youb Jung, Myung Hyun Jang, Ling Ai Shen, Young Kyung Park, Young Jin Park, Se Chang Kwon
  • Patent number: 10363320
    Abstract: The present invention relates to a conjugate comprising oxyntomodulin, an immunoglobulin Fc region, and non-peptidyl polymer wherein the conjugate being obtainable by covalently linking oxyntomodulin to immunoglobulin Fc region via non-peptidyl polymer, and a pharmaceutical composition for the prevention or treatment of obesity comprising the conjugates. The conjugate comprising oxyntomodulin and the immunoglobulin Fc of the present invention reduces food intake, suppresses gastric emptying, and facilitates lipolysis without side-effects, unlike native oxyntomodulin, and also shows excellent receptor-activating effects and long-term sustainability, compared to native oxyntomodulin. Thus, it can be widely used in the treatment of obesity with safety and efficacy.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: July 30, 2019
    Assignee: Hanmi Science Co., Ltd.
    Inventors: Sung Youb Jung, Dae Jin Kim, Sung Hee Park, Young Eun Woo, In Young Choi, Se Chang Kwon
  • Patent number: 9867777
    Abstract: Disclosed is a liquid formulation which allows long-acting G-CSF conjugates, that have improved in vivo duration and stability, to be stable when stored for a long period of time. It comprises a stabilizer composition characterized by buffer and mannitol. Being free of human serum albumin and other potential factors harmful to the body, the liquid formulation is free of concerns about viral infections and guarantees excellent storage stability to long-acting G-CSF conjugates.
    Type: Grant
    Filed: January 18, 2011
    Date of Patent: January 16, 2018
    Assignee: Hanmi Science Co., Ltd.
    Inventors: Mi Ji Lee, Jae Min Lee, Byung Sun Lee, Sung Min Bae, Se Chang Kwon
  • Patent number: 9765131
    Abstract: The present invention relates to a novel peptide showing more excellent activities on a glucagon like peptide-1 receptor and a glucagon receptor than native oxyntomodulin, and a composition for the prevention or treatment of obesity comprising the peptide as an active ingredient. Unlike native oxyntomodulin, the novel peptide of the present invention reduces food intake, suppresses gastric emptying, and facilitates lipolysis with reduced side-effects, and also shows excellent receptor-activating effects. Thus, it can be widely used in the treatment of obesity with safety and efficacy.
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: September 19, 2017
    Assignee: Hanmi Science Co., Ltd.
    Inventors: Sung Youb Jung, Myung Hyun Jang, Ling Ai Shen, Young Kyung Park, Young Jin Park, Se Chang Kwon
  • Patent number: 9731031
    Abstract: The present invention relates to a conjugate comprising oxyntomodulin, an immunoglobulin Fc region, and non-peptidyl polymer wherein the conjugate being obtainable by covalently linking oxyntomodulin to immunoglobulin Fc region via non-peptidyl polymer, and a pharmaceutical composition for the prevention or treatment of obesity comprising the conjugates. The conjugate comprising oxyntomodulin and the immunoglobulin Fc of the present invention reduces food intake, suppresses gastric emptying, and facilitates lipolysis without side-effects, unlike native oxyntomodulin, and also shows excellent receptor-activating effects and long-term sustainability, compared to native oxyntomodulin. Thus, it can be widely used in the treatment of obesity with safety and efficacy.
    Type: Grant
    Filed: June 15, 2012
    Date of Patent: August 15, 2017
    Assignee: Hanmi Science Co., Ltd.
    Inventors: Sung Youb Jung, Dae Jin Kim, Sung Hee Park, Young Eun Woo, In Young Choi, Se Chang Kwon
  • Patent number: 9527898
    Abstract: The present invention relates to a novel peptide showing more excellent activities on a glucagon like peptide-1 receptor and a glucagon receptor than native oxyntomodulin, and a composition for the prevention or treatment of obesity comprising the peptide as an active ingredient. Unlike native oxyntomodulin, the novel peptide of the present invention reduces food intake, suppresses gastric emptying, and facilitates lipolysis with reduced side-effects, and also shows excellent receptor-activating effects. Thus, it can be widely used in the treatment of obesity with safety and efficacy.
    Type: Grant
    Filed: June 7, 2012
    Date of Patent: December 27, 2016
    Assignee: Hanmi Science Co., Ltd.
    Inventors: Sung Youb Jung, Myung Hyun Jang, Ling Ai Shen, Young Kyung Park, Young Jin Park, Se Chang Kwon
  • Patent number: 9522946
    Abstract: The present invention relates to a novel peptide showing more excellent activities on a glucagon like peptide-1 receptor and a glucagon receptor than native oxyntomodulin, and a composition for the prevention or treatment of obesity comprising the peptide as an active ingredient. Unlike native oxyntomodulin, the novel peptide of the present invention reduces food intake, suppresses gastric emptying, and facilitates lipolysis with reduced side-effects, and also shows excellent receptor-activating effects. Thus, it can be widely used in the treatment of obesity with safety and efficacy.
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: December 20, 2016
    Assignee: Hanmi Science Co., Ltd.
    Inventors: Sung Youb Jung, Myung Hyun Jang, Ling Ai Shen, Young Kyung Park, Young Jin Park, Se Chang Kwon
  • Patent number: 9487569
    Abstract: The present invention relates to a novel peptide showing more excellent activities on a glucagon like peptide-1 receptor and a glucagon receptor than native oxyntomodulin, and a composition for the prevention or treatment of obesity comprising the peptide as an active ingredient. Unlike native oxyntomodulin, the novel peptide of the present invention reduces food intake, suppresses gastric emptying, and facilitates lipolysis with reduced side-effects, and also shows excellent receptor-activating effects. Thus, it can be widely used in the treatment of obesity with safety and efficacy.
    Type: Grant
    Filed: June 7, 2012
    Date of Patent: November 8, 2016
    Assignee: Hanmi Science Co., Ltd.
    Inventors: Sung Youb Jung, Myung Hyun Jang, Ling Ai Shen, Young Kyung Park, Young Jin Park, Se Chang Kwon
  • Patent number: 9345719
    Abstract: The present invention relates to a novel fused pyrimidine derivative having an inhibitory activity for tyrosine kinases, and a pharmaceutical composition for preventing or treating cancers, tumors, inflammatory diseases, autoimmune diseases, or immunologically mediated diseases comprising same as an active ingredient.
    Type: Grant
    Filed: October 23, 2014
    Date of Patent: May 24, 2016
    Assignee: Hanmi Science Co., Ltd.
    Inventors: Mi Young Cha, Seok Jong Kang, Mi Ra Kim, Ju Yeon Lee, Ji Young Jeon, Myoung Gi Jo, Eun Joo Kwak, Kwang Ok Lee, Tae Hee Ha, Kwee Hyun Suh, Maeng Sup Kim
  • Patent number: 8999973
    Abstract: The present invention relates to a thieno[3,2-d]pyrimidine derivative of formula (I), or a pharmaceutically acceptable salt, hydrate or solvate thereof, which has an excellent inhibitory activity on protein kinases, and a pharmaceutical composition comprising the same is effective in preventing or treating abnormal cell growth diseases.
    Type: Grant
    Filed: January 31, 2011
    Date of Patent: April 7, 2015
    Assignees: Hanmi Science Co., Ltd, Korea Institute of Science and Technology, Catholic University Industry Academic Cooperation Foundation
    Inventors: Jung Beom Son, Seung Hyun Jung, Wha II Choi, Young Hee Jung, Jae Yul Choi, Ji Yeon Song, Kyu Hang Lee, Jae Chul Lee, Eun Young Kim, Young Gil Ahn, Maeng Sup Kim, Hwan Geun Choi, Tae Bo Sim, Young Jin Ham, Dong-sik Park, Hwan Kim, Dong-Wook Kim
  • Patent number: 8957065
    Abstract: The present invention relates to a novel fused pyrimidine derivative having an inhibitory activity for tyrosine kinases, and a pharmaceutical composition for preventing or treating cancers, tumors, inflammatory diseases, autoimmune diseases, or immunologically mediated diseases comprising same as an active ingredient.
    Type: Grant
    Filed: June 20, 2011
    Date of Patent: February 17, 2015
    Assignee: Hanmi Science Co., Ltd
    Inventors: Mi Young Cha, Seok Jong Kang, Mi Ra Kim, Ju Yeon Lee, Ji Young Jeon, Myoung Gi Jo, Eun Joo Kwak, Kwang Ok Lee, Tae Hee Ha, Kwee Hyun Suh, Maeng Sup Kim
  • Patent number: 8957196
    Abstract: Disclosed herein is an inducible high-expression cassette comprising a dihydrofolate reductase (DHFR) promoter from which GC-rich repeat sequences are partially or entirely removed, the cassette capable of more effectively improving a gene amplification system. Also disclosed are an expression vector comprising the inducible expression cassette and optionally a gene encoding a recombinant protein of interest, an animal cell line transformed with the expression vector, and a method of mass producing and purifying a recombinant protein by culturing the transformant. The present invention enables the shortening of the time required to establish a cell line producing a recombinant protein of interest at high levels using a low concentration of a DHFR inhibitor, thereby allowing more effective production of the recombinant protein.
    Type: Grant
    Filed: October 16, 2007
    Date of Patent: February 17, 2015
    Assignee: Hanmi Science Co., Ltd.
    Inventors: In Young Choi, Chang Hwan Kim, Hyun Ji Lee, Seong Hee Park, Se Chang Kwon, Gwan Sun Lee
  • Patent number: 8940908
    Abstract: A method for preparing tetrazole methanesulfonic acid salts includes an acylation reaction using a novel 4-iodine-4H-chromene-2-carbothionic acid S-benzothiazole-2-yl ester. The method is advantageous that it can shorten a reaction time and improve safety as compared to conventional methods, and can prepare high-purity tetrazole methanesulfonic acid salts at a high yield rate without using a column chromatography method.
    Type: Grant
    Filed: February 3, 2014
    Date of Patent: January 27, 2015
    Assignee: Hanmi Science Co., Ltd
    Inventors: Keuk Chan Bang, Bum Woo Park, Jong Won Choi, Jae Chul Lee, Yong Hoon An, Young Gil Ahn, Maeng Sup Kim
  • Patent number: 8895281
    Abstract: The present invention provides a method for preparing a site-specific physiologically active polypeptide conjugate in a high yield by treating a physiologically active polypeptide with a non-peptidyl polymer in the presence of an alcohol at a specific pH, which can be desirably employed in the development of long acting formulations of various peptide drugs having high in-vivo activity and markedly prolonged in-blood half-life.
    Type: Grant
    Filed: March 18, 2010
    Date of Patent: November 25, 2014
    Assignee: Hanmi Science Co., Ltd
    Inventors: Dae Hae Song, Jae Hee Shin, Jae Min Lee, Young Kyung Park, Se Chang Kwon, Gwan Sun Lee
  • Patent number: 8859767
    Abstract: The present invention relates to an improved method for preparing 1-(4-(4-(3,4-dichloro-2-fluorophenylamino)-7-methoxyquinazolin-6-yloxy)piperidin-1-yl)-prop-2-en-1-one hydrochloride, which selectively and effectively inhibits the growth of cancer cells induced by over-expression of an epidermal growth factor receptor (EGFR) and prevents the development of drug resistance caused by mutation of a tyrosine kinase, and intermediates used therein.
    Type: Grant
    Filed: October 5, 2012
    Date of Patent: October 14, 2014
    Assignee: Hanmi Science Co., Ltd
    Inventors: Keuk Chan Bang, Young Ho Moon, Young Kil Chang
  • Patent number: 8846874
    Abstract: Disclosed is an IgG Fc fragment useful as a drug carrier. Also, the present invention discloses a recombinant vector expressing the IgG Fc fragment, a transformant transformed with the recombinant vector, and a method of preparing an IgG Fc fragment, comprising culturing the transformant. When conjugated to a certain drug, the IgG Fc fragment improves the in vivo duration of action of the drug and minimizes the in vivo activity reduction of the drug.
    Type: Grant
    Filed: November 13, 2004
    Date of Patent: September 30, 2014
    Assignee: Hanmi Science Co., Ltd
    Inventors: Sung Youb Jung, Jin Sun Kim, Geun Hee Yang, Se Chang Kwon, Gwan Sun Lee
  • Patent number: 8835458
    Abstract: Provided is a pharmaceutical composition comprising, as an active ingredient, a quinoline or quinazoline derivative of formula (I), a pharmaceutically acceptable salt, an isomer, a hydrate, and a solvate thereof, which is effective in the prevention and treatment of a cancer, inflammation, autoimmune diseases or neurodegenerative disorders which are induced by the overexpression of inhibitor of apoptosis proteins (IAPs).
    Type: Grant
    Filed: August 31, 2011
    Date of Patent: September 16, 2014
    Assignee: Hanmi Science Co., Ltd
    Inventors: In Hwan Bae, Eun Young Byun, Hae Kyoung Ju, Ji Young Song, Seung Hyun Jung, Seung Ah Jun, Ho Seok Kim, Young Hee Jung, Mi Yon Shim, Young Gil Ahn, Maeng Sup Kim
  • Patent number: 8829163
    Abstract: Disclosed is a liquid formulation which allows long-acting EPO conjugates, that have improved in vivo duration and stability, to be stable when stored for a long period of time. It comprises a stabilizer composition characterized by buffer and mannitol. Being free of human serum albumin and other potential factors harmful to the body, the liquid formulation is free of concerns about viral infections and guarantees excellent storage stability to long-acting EPO conjugates.
    Type: Grant
    Filed: January 18, 2011
    Date of Patent: September 9, 2014
    Assignee: Hanmi Science Co., Ltd
    Inventors: Sung Min Bae, Dae Seong Im, Min Young Kim, Chang Ki Lim, Sung Youb Jung, Se Chang Kwon