Patents by Inventor Zhiquan Zhao

Zhiquan Zhao 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: 10799521
    Abstract: The present application relates to a method of icaritin in preventing or treating hematocytopenia. Particularly, icaritin may be used to prevent or treat bone marrow suppression caused by chemotherapeutic drugs, and may also be used to prevent or treat thrombocytopenia, for example, immune thrombocytopenia.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: October 13, 2020
    Assignee: LUNAN PHARMACEUTICAL GROUP CORPORATION
    Inventors: Zhiquan Zhao, Jingchun Yao, Xin Li, Yongxia Guan, Guangyan Li
  • Publication number: 20200147115
    Abstract: The present application relates to a method of icaritin in preventing or treating hematocytopenia. Particularly, icaritin may be used to prevent or treat bone marrow suppression caused by chemotherapeutic drugs, and may also be used to prevent or treat thrombocytopenia, for example, immune thrombocytopenia.
    Type: Application
    Filed: December 23, 2019
    Publication date: May 14, 2020
    Inventors: Zhiquan ZHAO, Jingchun YAO, Xin LI, Yongxia GUAN, Guangyan LI
  • Patent number: 10555962
    Abstract: The present application relates to use of icaritin in preparing a medicament for preventing or treating hematocytopenia. Particularly, icaritin may be used to prevent or treat bone marrow suppression caused by chemotherapeutic drugs, and may also be used to prevent or treat thrombocytopenia, for example, immune thrombocytopenia.
    Type: Grant
    Filed: October 20, 2014
    Date of Patent: February 11, 2020
    Assignee: Lunan Pharmaceutical Group Corporation
    Inventors: Zhiquan Zhao, Jingchun Yao, Xin Li, Yongxia Guan, Guangyan Li
  • Publication number: 20160250243
    Abstract: The present application relates to use of icaritin in preparing a medicament for preventing or treating hematocytopenia. Particularly, icaritin may be used to prevent or treat bone marrow suppression caused by chemotherapeutic drugs, and may also be used to prevent or treat thrombocytopenia, for example, immune thrombocytopenia.
    Type: Application
    Filed: October 20, 2014
    Publication date: September 1, 2016
    Applicant: Lunan Pharmaceutical Group Corporation
    Inventors: Zhiquan ZHAO, Jingchun YAO, Xin LI, Yongxia GUAN, Guangyan LI
  • Patent number: 8815286
    Abstract: The present invention provides a pharmaceutical composition comprising the following active ingredients: 1) an angiotensin II receptor antagonist or a pharmaceutically acceptable salt thereof, 2) pioglitazone or a pharmaceutically acceptable salt thereof; and 3) rosuvastatin or a pharmaceutically acceptable salt thereof. The present invention also provides use of the pharmaceutical composition in preparing a medicament for treating hypertension or metabolic syndrome. The pharmaceutical composition of the present invention can treat hypertension or metabolic syndrome, while effectively controlling the incidence of associated cardiovascular diseases and more potently improving survival prognosis in hypertensive patients. When blood pressure is lowered to desired level, the risk factors such as cardiovascular diseases are rectified, metabolic disorders and prognosis of patients are improved, and survival rate of hypertensive patients is raised.
    Type: Grant
    Filed: July 23, 2009
    Date of Patent: August 26, 2014
    Assignee: Lunan Pharmaceutical Group Corporation
    Inventor: Zhiquan Zhao
  • Patent number: 8809499
    Abstract: Provided is a fusion protein, which comprises human fibroblast growth factor 21 and glucagon-like-peptide-1 or its analogs. Also provided is the medicament composition comprising the fusion protein, which can be used for treating or preventing obesity, diabetes, hyperglycemia and hyperlipidemia etc.
    Type: Grant
    Filed: March 12, 2010
    Date of Patent: August 19, 2014
    Assignee: Chongqing Fagen Biomedical Inc.
    Inventors: Kai Fan, Zhiquan Zhao, Chun Zhang, Yong Chen, Hua Luo, Li Yang, Honghong Liu
  • Patent number: 8722697
    Abstract: The present invention provides a pharmaceutical composition comprising the following active ingredients: 1) amlodipine or a pharmaceutically acceptable salt thereof, 2) pioglitazone or a pharmaceutically acceptable salt thereof, and 3) rosuvastatin or a pharmaceutically acceptable salt thereof. The present invention also provides use of the pharmaceutical composition in preparing a medicament for treating hypertension or metabolic syndrome. The pharmaceutical composition of the present invention can treat hypertension or metabolic syndrome, while effectively controlling the incidence of associated cardiovascular diseases and more potently improving survival prognosis in hypertensive patients. When blood pressure is lowered to desired level, the risk factors such as cardiovascular diseases are rectified, metabolic disorders and prognosis of patients are improved, and survival rate of hypertensive patients is raised.
    Type: Grant
    Filed: July 23, 2009
    Date of Patent: May 13, 2014
    Assignee: Lunan Pharmaceutical Group Corporation
    Inventor: Zhiquan Zhao
  • Patent number: 8569508
    Abstract: A synthesis method for preparing Montelukast sodium intermediate 2-(2-(3-(2-(7-chloro-2-quinolyl)vinyl)phenyl-3-oxopropyl)phenyl) propanol is provided. In this method, the target compound is prepared by condensing the starting materials 7-chloroquinaldine and 3-cyanobenzaldehyde, and then reacting the resultant product with 2-(2-ortho-(2-haloethyl)-phenylpropyl)tetrahydropyrane ether. The present invention can easily obtain start materials and is applicable for mass production.
    Type: Grant
    Filed: August 24, 2010
    Date of Patent: October 29, 2013
    Assignee: Shandong New Time Pharmaceutical Co., Ltd.
    Inventors: Zhiquan Zhao, Haixin Wang, Zengxue Wang
  • Patent number: 8557771
    Abstract: Provided is a homodimer of insulinotropic peptide analogues and method for preparation thereof and use thereof, wherein the insulinotropic peptide analogue comprises GLP-1 and Exendin-4. The homodimer of insulinotropic peptide analogues of the invention is made by conjugating two identical insulinotropic peptide analogue molecules at the C-terminal Cys residues via disulfide bond or PEG molecule. The homodimer of insulinotropic peptide analogues of the invention has superior stability and biological activity in vivo, and prolonged half-life in the circulation, and can be used for the preparation of hypoglycemic drugs.
    Type: Grant
    Filed: March 15, 2010
    Date of Patent: October 15, 2013
    Assignee: Chongqing Fagen Biomedical Inc.
    Inventors: Kai Fan, Zhiquan Zhao, Yong Chen, Chun Zhang, Lin Wang
  • Publication number: 20130190394
    Abstract: Provided are applications of arctigenin in formulating medicines for preventing or treating diseases related to blood cell reduction, and preparations that contain arctigenin, particularly micro-emulsions that contain arctigenin. Experiments show that arctigenin can significantly increase the white cell counts after chemotherapy, especially the neutrophil granulocyte counts.
    Type: Application
    Filed: October 8, 2011
    Publication date: July 25, 2013
    Inventor: Zhiquan Zhao
  • Patent number: 8361965
    Abstract: A chimeric protein containing neutrophil inhibitory factor and hirugen, the chimeric protein having an amino acid sequence that includes FPRPGSGG (SEQ ID NO:21) Also provided is a pharmaceutical composition comprising the chimeric protein, which can be used for treating or preventing cerebral injury and cerebral edema, or for inhibiting platelet aggregation.
    Type: Grant
    Filed: February 18, 2008
    Date of Patent: January 29, 2013
    Assignees: Lunan Pharmaceutical Group Corporation, Fagen Biomedical Inc. Chongqing
    Inventors: Kai Fan, Zhiquan Zhao
  • Publication number: 20120277154
    Abstract: Provided is a homodimer of insulinotropic peptide analogues and method for preparation thereof and use thereof, wherein the insulinotropic peptide analogue comprises GLP-1 and Exendin-4. The homodimer of insulinotropic peptide analogues of the invention is made by conjugating two identical insulinotropic peptide analogue molecules at the C-terminal Cys residues via disulfide bond or PEG molecule. The homodimer of insulinotropic peptide analogues of the invention has superior stability and biological activity in vivo, and prolonged half-life in the circulation, and can be used for the preparation of hypoglycemic drugs.
    Type: Application
    Filed: March 15, 2010
    Publication date: November 1, 2012
    Applicant: CHONGQING FAGEN BIOMEDICAL INC.
    Inventors: Kai Fan, Zhiquan Zhao, Yong Chen, Chun Zhang, Lin Wang
  • Publication number: 20120238496
    Abstract: Provided is a fusion protein, which comprises human fibroblast growth factor 21 and glucagon-like-peptide-1 or its analogs. Also provided is the medicament composition comprising the fusion protein, which can be used for treating or preventing obesity, diabetes, hyperglycemia and hyperlipidemia etc.
    Type: Application
    Filed: March 12, 2010
    Publication date: September 20, 2012
    Applicant: Chongqing Fagen Biomedical Inc.
    Inventors: Kai Fan, Zhiquan Zhao, Chun Zhang, Yong Chen, Hua Luo, Li Yang, Honghong Liu
  • Publication number: 20120165535
    Abstract: A synthesis method for preparing Montelukast sodium intermediate 2-(2-(3-(2-(7-chloro-2-quinolyl)vinyl)phenyl-3-oxopropyl)phenyl) propanol is provided. In this method, the target compound is prepared by condensing the starting materials 7-chloroquinaldine and 3-cyanobenzaldehyde, and then reacting the resultant product with 2-(2-ortho-(2-haloethyl)-phenylpropyl)tetrahydropyrane ether. The present invention can easily obtain start materials and is applicable for mass production.
    Type: Application
    Filed: August 24, 2010
    Publication date: June 28, 2012
    Applicant: SHANDONG NEW TIME PHARMACEUTICAL CO. LTD.
    Inventors: Zhiquan Zhao, Haixin Wang, Zengxue Wang
  • Publication number: 20120142704
    Abstract: A pharmaceutical solution comprising cetirizine hydrochloride, an alcohol compound with less than 3 carbon atoms, a preservative and urea is disclosed. The cetirizine hydrochloride is in racemic form or in levo form.
    Type: Application
    Filed: August 11, 2010
    Publication date: June 7, 2012
    Applicant: LUN BETTER PHARMACEUTICAL CO., LTD
    Inventor: Zhiquan Zhao
  • Publication number: 20110130416
    Abstract: The present invention provides a pharmaceutical composition comprising the following active ingredients: 1) amlodipine or a pharmaceutically acceptable salt thereof, 2) pioglitazone or a pharmaceutically acceptable salt thereof, and 3) rosuvastatin or a pharmaceutically acceptable salt thereof. The present invention also provides use of the pharmaceutical composition in preparing a medicament for treating hypertension or metabolic syndrome. The pharmaceutical composition of the present invention can treat hypertension or metabolic syndrome, while effectively controlling the incidence of associated cardiovascular diseases and more potently improving survival prognosis in hypertensive patients. When blood pressure is lowered to desired level, the risk factors such as cardiovascular diseases are rectified, metabolic disorders and prognosis of patients are improved, and survival rate of hypertensive patients is raised.
    Type: Application
    Filed: July 23, 2009
    Publication date: June 2, 2011
    Applicant: Lunan Pharmaceutical Group Coporation
    Inventor: Zhiquan Zhao
  • Publication number: 20110124675
    Abstract: The present invention provides the prasugrel bisulfate of formula (II) and pharmaceutical composition and use thereof. Prasugrel bisulfate of the present invention has good stability, oral absorbability, metabolic activity and platelet aggregation inhibition effect, and low toxicity, and is therefore a promising anticoagulant for preventing or treating diseases associated with thrombosis or embolism.
    Type: Application
    Filed: July 31, 2008
    Publication date: May 26, 2011
    Inventor: Zhiquan Zhao
  • Publication number: 20110118288
    Abstract: The present invention provides a pharmaceutical composition comprising the following active ingredients: 1) an angiotensin II receptor antagonist or a pharmaceutically acceptable salt thereof, 2) pioglitazone or a pharmaceutically acceptable salt thereof; and 3) rosuvastatin or a pharmaceutically acceptable salt thereof. The present invention also provides use of the pharmaceutical composition in preparing a medicament for treating hypertension or metabolic syndrome. The pharmaceutical composition of the present invention can treat hypertension or metabolic syndrome, while effectively controlling the incidence of associated cardiovascular diseases and more potently improving survival prognosis in hypertensive patients. When blood pressure is lowered to desired level, the risk factors such as cardiovascular diseases are rectified, metabolic disorders and prognosis of patients are improved, and survival rate of hypertensive patients is raised.
    Type: Application
    Filed: July 23, 2009
    Publication date: May 19, 2011
    Inventor: Zhiquan Zhao
  • Publication number: 20110105803
    Abstract: The present invention provides a method of synthesizing sevoflurane, which comprises the following steps: taking hexafluoro isopropanol as the starting material and reacting it with trioxymethylene (or paraformaldehyde) in the presence of acid to generate dihexafluoro isopropanol formal derivatives, adding anhydrous aluminum trihalide to generate halomethyl 2,2,2-trifluoro-1-(trifluoromethyl)ethyl ether, then reacting the halomethyl compound with metal fluoride to form the sevoflurane. The method is of low cost, and the reaction condition is easy to implement, and produces sevoflurane in large scale.
    Type: Application
    Filed: July 2, 2009
    Publication date: May 5, 2011
    Inventor: Zhiquan Zhao
  • Publication number: 20100150860
    Abstract: Provided is a chimeric protein comprising neutrophil inhibitory factor, the peptide FRRP specially recognizing the thrombin active site and hirugen. Also provided is a pharmaceutical composition comprising the chimeric protein, which can be used for treating or preventing cerebral injury and cerebral edema, inhibiting platelet aggregation etc.
    Type: Application
    Filed: February 18, 2008
    Publication date: June 17, 2010
    Applicants: Lunan Pharmaceutical Group Corporation, Fagen Biomedical Inc.
    Inventors: Kai Fan, Zhiquan Zhao