Patents by Inventor Changan Sun

Changan Sun 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: 10538506
    Abstract: The present invention relates to a crystal form of a potassium-competitive acid blocker, that is, 1-[5-(2-fluorophenyl)-1-(pyridine-3-sulfonyl)-1H-pyrrole-3-yl]-N-methyl methylamine fumaric acid salt (which is briefly referred to as a formula I) and a preparation method thereof. An X-ray powder diffraction characteristic peak thereof is shown in FIG. 1. The crystal form that is represented by formula I, provided in the present invention, is stable, reproducible, and is suitable for drug development.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: January 21, 2020
    Assignee: Jiangsu Hansoh Pharmaceutical Group Co., Ltd.
    Inventors: Hongwei Tang, Changan Sun, Ruijun Wang, Hengli Yuan
  • Publication number: 20180282300
    Abstract: The present invention relates to a crystal form of a potassium-competitive acid blocker, that is, 1-[5-(2-fluorophenyl)-1-(pyridine-3-sulfonyl)-1H-pyrrole-3-yl]-N-methyl methylamine fumaric acid salt (which is briefly referred to as a formula I) and a preparation method thereof. An X-ray powder diffraction characteristic peak thereof is shown in FIG. 1. The crystal form that is represented by formula I, provided in the present invention, is stable, reproducible, and is suitable for drug development.
    Type: Application
    Filed: November 9, 2015
    Publication date: October 4, 2018
    Applicants: Jiangsu Hansoh Pharmaceutical Group Co., Ltd., Jiangsu Hansoh Pharmaceutical Group Co., Ltd.
    Inventors: Hongwei TANG, Changan SUN, Ruijun WANG, Hengli YUAN
  • Patent number: 9458219
    Abstract: The present invention provides a human insulin analog, an acylated derivative thereof and a physiologically acceptable salt. The present invention further provides a preparation method for the insulin analog and an application of the insulin analog as a therapeutic agent, and particularly as a diabetes mellitus therapeutic agent.
    Type: Grant
    Filed: November 22, 2012
    Date of Patent: October 4, 2016
    Assignees: Shanghai Hengrui Pharmaceutical Co., Ltd., Jiangsu Hengrui Medicine Co., Ltd.
    Inventors: Piaoyang Sun, Lianshan Zhang, Jiajian Liu, Jijun Yuan, Chunqian Fang, Changan Sun, Hengli Yuan, Yali Wang
  • Publication number: 20140329745
    Abstract: The present invention provides a human insulin analogue, an acylated derivative thereof and a physiologically acceptable salt. The present invention further provides a preparation method for the insulin analogue and an application of the insulin analogue as a therapeutic agent, and particularly as a diabetes mellitus therapeutic agent.
    Type: Application
    Filed: November 22, 2012
    Publication date: November 6, 2014
    Inventors: Piaoyang Sun, Lianshan Zhang, Jiajian Liu, Jijun Yuan, Chunqian Fang, Changan Sun, Hengli Yuan, Yali Wang
  • Patent number: 8716221
    Abstract: The present invention discloses a modified exendin or pharmaceutically acceptable salts thereof, wherein the modified exendin comprises an amino acid sequence having at least 90% sequence identity to SEQ ID No. 17 and the amino acid sequence has a higher stability than the non-modified exendin of SEQ ID No. 4. These compounds are useful in treating type 2 diabetes as GLP-1 receptor agonists.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: May 6, 2014
    Assignee: Wuxi Grandchamp Pharmaceutical Technology Co., Ltd.
    Inventors: Aifeng Lv, Changan Sun, Yali Wang
  • Patent number: 8642545
    Abstract: What is provided is EPO mimetic peptide derivatives defined as formula (I) and their pharmaceutical salts, the preparation thereof, wherein R1, R2, R3, R4, R5, n1, n2 are defined as described in description. A composition comprising of an EPO mimetic peptide derivative defined as formula (I) and its pharmaceutical salt. The uses of the derivatives and their pharmaceutical salts, as well as the uses of the compositions described above in treatment of diseases characterized by a deficiency of EPO or a low or defective red blood cell population.
    Type: Grant
    Filed: November 24, 2008
    Date of Patent: February 4, 2014
    Assignee: Jiangsu Hansoh Pharmaceutical Co., Ltd
    Inventors: Aifeng Lü, Changan Sun, Tao Jiang, Wentao Wu, Yali Wang
  • Patent number: 8629104
    Abstract: Provided are a G-CSF and water-soluble polymer conjugate, or a pharmaceutically acceptable salt thereof, comprising a water-soluble polymer, a protein, and a linking group; a method for preparing thereof; and a pharmaceutical composition comprising the same.
    Type: Grant
    Filed: February 18, 2008
    Date of Patent: January 14, 2014
    Assignee: Jiangsu Hengrui Medicine Co. Ltd.
    Inventors: Ruijun Wang, Changan Sun, Tao Jiang, Wang Yali
  • Patent number: 8614182
    Abstract: This invention discloses GLP-1 analogues and their pharmaceutical salts, wherein the GLP-1 analogue comprises an amino acid sequence of general formula (I), wherein Lys represents a modified lysine with a lipophilic acid. The GLP-1 analogues provided by this invention have the function of human GLP-1, and a longer half-life in vivo compared with the human GLP-1. Uses of such compounds and compositions include treating non-insulin-dependent diabetes, insulin-dependent diabetes, and obesity.
    Type: Grant
    Filed: January 31, 2012
    Date of Patent: December 24, 2013
    Assignee: Jiangsu Hansoh Pharmaceuticals Co., Ltd.
    Inventors: Yali Wang, Aifeng Lü, Changan Sun, Hengli Yuan
  • Publication number: 20130109623
    Abstract: Provided are a G-CSF and water-soluble polymer conjugate, or a pharmaceutically acceptable salt thereof, comprising a water-soluble polymer, a protein, and a linking group; a method for preparing thereof; and a pharmaceutical composition comprising the same.
    Type: Application
    Filed: February 18, 2008
    Publication date: May 2, 2013
    Inventors: Ruijun Wang, Changan Sun, Tao Jiang, Wang Yali
  • Publication number: 20120196798
    Abstract: This invention discloses GLP-1 analogues and their pharmaceutical salts, wherein the GLP-1 analogue comprises an amino acid sequence of general formula (I), wherein Lys represents a modified lysine with a lipophilic acid. The GLP-1 analogues provided by this invention have the function of human GLP-1, and a longer half-life in vivo compared with the human GLP-1. Uses of such compounds and compositions include treating non-insulin-dependent diabetes, insulin-dependent diabetes, and obesity.
    Type: Application
    Filed: January 31, 2012
    Publication date: August 2, 2012
    Inventors: Yali Wang, Aifeng Lü, Changan Sun, Hengli Yuan
  • Publication number: 20120196802
    Abstract: The present invention discloses a modified exendin or pharmaceutically acceptable salts thereof, wherein the modified exendin comprises an amino acid sequence having at least 90% sequence identity to SEQ ID No. 17 and the amino acid sequence has a higher stability than the non-modified exendin of SEQ ID No. 4. These compounds are useful in treating type 2 diabetes as GLP-1 receptor agonists.
    Type: Application
    Filed: December 22, 2011
    Publication date: August 2, 2012
    Applicant: WUXI GRANDCHAMP PHARMACEUTICAL TECHNOLOGY CO., LTD.
    Inventors: Aifeng LV, Changan Sun, Yali Wang
  • Publication number: 20120129768
    Abstract: This invention discloses GLP-1 analogues and their pharmaceutical salts, wherein the GLP-1 analogue comprises an amino acid sequence of general formula (I), wherein Lys represents a modified lysine with a lipophilic acid. The GLP-1 analogues provided by this invention have the function of human GLP-1, and a longer half-life in vivo compared with the human GLP-1. Uses of such compounds and compositions include treating non-insulin-dependent diabetes, insulin-dependent diabetes, and obesity.
    Type: Application
    Filed: July 29, 2010
    Publication date: May 24, 2012
    Inventors: Yali Wang, Aifeng Lü, Changan Sun, Hengli Yuan
  • Patent number: 8097586
    Abstract: Novel exendins with modifications at one or more of following positions: 2, 14, 27 or 28 and polyethylene glycol derivatives thereof are provided. These compounds are useful in treating type 2 diabetes as GLP-1 receptor agonists.
    Type: Grant
    Filed: January 10, 2006
    Date of Patent: January 17, 2012
    Assignee: Wuxi Grandchamp Pharmaceutical Technology Co., Ltd.
    Inventors: Aifeng Lv, Changan Sun, Yali Wang
  • Publication number: 20100323949
    Abstract: What is provided is EPO mimetic peptide derivatives defined as formula (I) and their pharmaceutical salts, the preparation thereof, wherein R1, R2, R3, R4, R5, n1, n2 are defined as described in description. A composition comprising of an EPO mimetic peptide derivative defined as formula (I) and its pharmaceutical salt. The uses of the derivatives and their pharmaceutical salts, as well as the uses of the compositions described above in treatment of diseases characterized by a deficiency of EPO or a low or defective red blood cell population.
    Type: Application
    Filed: November 24, 2008
    Publication date: December 23, 2010
    Applicant: Jiangsu Hansoh Pharmaceutical Co., Ltd.
    Inventors: Aifeng Lü, Changan Sun, Tao Jiang, Wentao Wu, Yali Wang
  • Publication number: 20100009904
    Abstract: Novel exendins with modifications at one or more of following positions: 2, 14, 27 or 28 and polyethylene glycol derivatives thereof are provided. These compounds are useful in treating type 2 diabetes as GLP-1 receptor agonists.
    Type: Application
    Filed: January 10, 2006
    Publication date: January 14, 2010
    Applicant: Wuxi Grandchamp Pharmaceutical Technology Co., Ltd
    Inventors: Aifeng Lv, Changan Sun, Yali Wang