Patents by Inventor Aifeng LU

Aifeng LU 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: 9840525
    Abstract: A crystal form of 9-[(R)-2-[[(S)-[[[1-(isopropoxycarbonyl)-1-methyl]ethyl]amino]phenoxyphosphinyl]methoxyl]propyl]adenine fumarate of formula (I) is provided. Also provided is a preparation method and method of using the crystal form. Specifically, a crystal form of 9-[(R)-2-[[(S)-[[[1-(isopropoxycarbonyl)-1-methyl]ethyl]amino]phenoxyphosphinyl]methoxyl]propyl]adenine fumarate of formula (I) having an X-ray powder diffraction (XRPD) spectrum including diffraction peaks at 2?±0.20° of 5.08, 12.44, 13.18, 22.37, 23.37 and 28.56 is provided. The crystal form provided herein has high bioavailability, significant efficacy, good stability, high yield and high purity, and contributes to the selection and design of a drug administration route and the determination of process parameters of a pharmaceutical preparation, thereby improving drug production quality.
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: December 12, 2017
    Assignee: JIANGSU HANSOH PHARMACEUTICAL GROUP CO., LTD.
    Inventors: Ming Chen, Chengyao Tian, Mingli Zhao, Jun Yu, Baohai Yang, Aifeng Lu
  • Publication number: 20170210760
    Abstract: Crystalline free bases and crystalline acid salts of 9-((8-fluoro-6-(1-methyl-1H-pyrazol-4-yl)-[1,2,4]triazolo[4,3-a]pyridine-3-yl)thio)-4-methyl-2H-[1,4]oxaazido [3,2-c]quinoline-3(4H)-one are disclosed as C-Met inhibitors. Their preparation methods and uses are also described. In particular, crystal forms I, II, III and IV of the free base; crystal form I of the hydrochloride salt; crystal forms I and II of the sulfate salt; crystal forms I, II, III and IV of the phosphate salt; crystal forms I, II, III, IV and V of the mesylate salt; crystal forms I, and III of the p-toluenesulfonate salt; and crystal forms I, II and III of the 1,5-naphthalenedisulfonate salt are disclosed. Also disclosed are methods for preparing the above-mentioned crystal forms, pharmaceutical compositions thereof, methods for regulating the catalytic activity of a protein kinase, and methods of treating protein kinase-related diseases.
    Type: Application
    Filed: July 30, 2015
    Publication date: July 27, 2017
    Inventors: Xiang LI, Aifeng LU
  • Publication number: 20170204125
    Abstract: A crystal form of 9-[(R)-2-[[(S)-[[[1-(isopropoxycarbonyl)-1-methyl]ethyl]amino]phenoxyphosphinyl]methoxyl]propyl]adenine fumarate of formula (I) is provided. Also provided is a preparation method and method of using the crystal form. Specifically, a crystal form of 9-[(R)-2-[[(S)-[[[1-(isopropoxycarbonyl)-1-methyl]ethyl]amino]phenoxyphosphinyl]methoxyl]propyl]adenine fumarate of formula (I) having an X-ray powder diffraction (XRPD) spectrum including diffraction peaks at 2?±0.20° of 5.08, 12.44, 13.18, 22.37, 23.37 and 28.56 is provided. The crystal form provided herein has high bioavailability, significant efficacy, good stability, high yield and high purity, and contributes to the selection and design of a drug administration route and the determination of process parameters of a pharmaceutical preparation, thereby improving drug production quality.
    Type: Application
    Filed: July 21, 2015
    Publication date: July 20, 2017
    Inventors: Ming CHEN, Chengyao TIAN, Mingli ZHAO, Jun YU, Baohai YANG, Aifeng LU
  • Patent number: 9050328
    Abstract: A pharmaceutical composition containing prasugrel and its pharmaceutically acceptable salts, and methods for preparing the same are disclosed. The pharmaceutical composition improves the dissolution rate of prasugrel and its salts at high pH by using solid dispersion technology, inclusion technology or adding surfactants.
    Type: Grant
    Filed: April 22, 2011
    Date of Patent: June 9, 2015
    Assignee: Jiangsu Hansoh Pharmaceutical Group Co., Ltd.
    Inventors: Junda Cen, Chun-hong Zhang, Qi Zhang, Aifeng Lü
  • 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: 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: 20130045251
    Abstract: A pharmaceutical composition containing prasugrel and its pharmaceutically acceptable salts, and methods for preparing the same are disclosed. The pharmaceutical composition improves the dissolution rate of prasugrel and its salts at high pH by using solid dispersion technology, inclusion technology or adding surfactants.
    Type: Application
    Filed: April 22, 2011
    Publication date: February 21, 2013
    Applicant: JIANGSU HANSOH PHARMACEUTICAL GROUP CO., LTD
    Inventors: Junda Cen, Chun-hong Zhang, Qi Zhang, Aifeng Lü
  • 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: 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
  • 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