Patents by Inventor Meiyan Yang

Meiyan Yang 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: 11369587
    Abstract: The present invention relates to a pharmaceutical composition of Tecovirimat for injection, comprising Tecovirimat as an active ingredient, cyclodextrin and an additive. The present invention also relates to a method for preparing the pharmaceutical composition. The composition improves the solubility of Tecovirimat in water by using cyclodextrin and meglumine in combination, as compared with the solubility of Tecovirimat in water by using cyclodextrin or meglumine alone.
    Type: Grant
    Filed: July 4, 2017
    Date of Patent: June 28, 2022
    Assignee: Institute of Pharmacology and Toxicology Academy of Military Medical Sciences PLA China
    Inventors: Wu Zhong, Meiyan Yang, Wei Gong, Yuli Wang, Chunsheng Gao, Xinbo Zhou, Song Li
  • Patent number: 11318115
    Abstract: The present invention relates to a pharmaceutical composition, comprising Tecovirimat, cyclodextrin and an additive, and optionally a pharmaceutically acceptable excipient. The present invention also relates to a method for preparing the pharmaceutical composition. The composition improves the solubility of Tecovirimat in water by using cyclodextrin and meglumine in combination, as compared with the solubility of Tecovirimat in water by using cyclodextrin or meglumine alone.
    Type: Grant
    Filed: July 4, 2017
    Date of Patent: May 3, 2022
    Assignee: Institute of Pharmacology and Toxicology Academy of Military Medical Sciences P.L.A. China
    Inventors: Wu Zhong, Meiyan Yang, Wei Gong, Yuli Wang, Chunsheng Gao, Xinbo Zhou, Song Li
  • Patent number: 11260031
    Abstract: The present invention relates to a protein particle with a poorly water-soluble drug encapsulated therein and a preparation method therefor. The preparation method comprises the following steps: i) dissolving a poorly water-soluble drug and a liquid solubilizer into a good solvent; ii) partially or fully removing said good solvent from the product of step i); iii) mixing the product of step ii) with a protein; and iv) dispersing the product of step iii) in a poor solvent. The preparation method is simple and is suitable for industrial production.
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: March 1, 2022
    Assignee: ACADEMY OF MILITARY MEDICAL SCIENCES
    Inventors: Zhiping Li, Zhenbo Yang, Yang Yang, Fanglin Yu, Wei Gong, Meiyan Yang, Yuli Wang, Chunsheng Gao, Xingguo Mei
  • Publication number: 20200197314
    Abstract: The present invention relates to a protein particle with a poorly water-soluble drug encapsulated therein and a preparation method therefor. The preparation method comprises the following steps: i) dissolving a poorly water-soluble drug and a liquid solubilizer into a good solvent; ii) partially or fully removing said good solvent from the product of step i); iii) mixing the product of step ii) with a protein; and iv) dispersing the product of step iii) in a poor solvent. The preparation method is simple and is suitable for industrial production.
    Type: Application
    Filed: April 26, 2018
    Publication date: June 25, 2020
    Inventors: Zhiping LI, Zhenbo YANG, Yang YANG, Fanglin YU, Wei GONG, Meiyan YANG, Yuli WANG, Chunsheng GAO, Xingguo MEI
  • Publication number: 20190358203
    Abstract: The present invention relates to a pharmaceutical composition, comprising Tecovirimat, cyclodextrin and an additive, and optionally a pharmaceutically acceptable excipient. The present invention also relates to a method for preparing the pharmaceutical composition. The composition improves the solubility of Tecovirimat in water by using cyclodextrin and meglumine in combination, as compared with the solubility of Tecovirimat in water by using cyclodextrin or meglumine alone.
    Type: Application
    Filed: July 4, 2017
    Publication date: November 28, 2019
    Applicant: Institute of Pharmacology and Toxicology Academy of Military Medical Sciences P.L..A. China
    Inventors: Wu ZHONG, Meiyan YANG, Wei GONG, Yuli WANG, Chunsheng GAO, Xinbo ZHOU, Song LI
  • Publication number: 20190336479
    Abstract: The present invention relates to a pharmaceutical composition of Tecovirimat for injection, comprising Tecovirimat as an active ingredient, cyclodextrin and an additive. The present invention also relates to a method for preparing the pharmaceutical composition. The composition improves the solubility of Tecovirimat in water by using cyclodextrin and meglumine in combination, as compared with the solubility of Tecovirimat in water by using cyclodextrin or meglumine alone.
    Type: Application
    Filed: July 4, 2017
    Publication date: November 7, 2019
    Inventors: Wu Zhong, Meiyan Yang, Wei Gong, Yuli Wang, Chunsheng Gao, Xinbo Zhou, Song Li
  • Patent number: 10314794
    Abstract: The invention relates to a drug sustained-release composition, particularly a sustained-release composition comprising metoprolol and preparation method thereof. The invention also relates to a combination product comprising a sustained-release composition comprising metoprolol and a pharmaceutical composition comprising hydrochlorothiazide. The sustained-release composition comprising metoprolol according to the invention eliminates the phenomena of delayed release of such sustained-release compositions in the prior art, has a better drug release curve, and also have the advantages such as simple formula, easy operation, stable quality, strong controllability, and good reproducibility, and therefore have good application prospects.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: June 11, 2019
    Assignee: Institute of Pharmacology and Toxicology Academy of Military Medical Sciences P.L.A. China
    Inventors: Chunsheng Gao, Yuli Wang, Meiyan Yang, Li Shan, Jingjing Dai, Yong Qian, Yan Qiu
  • Publication number: 20170119701
    Abstract: The invention relates to a drug sustained-release composition, particularly a sustained-release composition comprising metoprolol and preparation method thereof. The invention also relates to a combination product comprising a sustained-release composition comprising metoprolol and a pharmaceutical composition comprising hydrochlorothiazide. The sustained-release composition comprising metoprolol according to the invention eliminates the phenomena of delayed release of such sustained-release compositions in the prior art, has a better drug release curve, and also have the advantages such as simple formula, easy operation, stable quality, strong controllability, and good reproducibility, and therefore have good application prospects.
    Type: Application
    Filed: June 23, 2015
    Publication date: May 4, 2017
    Applicant: Institute of Pharmacology and Toxicology Academy of Military Medical Sciences P.L.A. China
    Inventors: Chunsheng GAO, Yuli WANG, Meiyan YANG, Li SHAN, Jingjing DAI, Yong QIAN, Yan QIU
  • Patent number: 9457008
    Abstract: The present invention provides a joint product comprising synephrine and topiramate, in which the synephrine or salt thereof is administered in form of rapid-release preparation, preferably rapid-release pellet, having daily dose of 2 mg to 25 mg, preferably 5 mg to 20 mg; the topiramate is administered in form of sustained-release or controlled-release preparation, preferably sustained-release pellet, having daily dose of 20 mg to 100 mg, preferably 23 mg to 92 mg. The composition is used for treatment of obesity or other diseases associated with obesity.
    Type: Grant
    Filed: March 22, 2013
    Date of Patent: October 4, 2016
    Assignee: Institute of Pharmacology and Toxicology Academy of Military Medical Sciences P.L.A. China
    Inventors: Song Li, Chunsheng Gao, Wu Zhong, Yuli Wang, Meiyan Yang, Li Shan, Xinbo Zhou, Zhibing Zheng, Xiaokui Wang
  • Patent number: 9421188
    Abstract: The present invention provides a combination product, which comprises immediate release pellet of phentermine and sustained-release pellet of topiramate, wherein the pellet of topiramate includes: a) a blank pellet core; b) an active drug layer that contains topiramate and is free of binding agent, the layer being located on surface of the blank pellet core; c) a sustained-release coating layer containing ethyl cellulose and PVP K30, the sustained-release coating layer being located on external of the active drug layer. The present invention further discloses a method for preparing the combination product.
    Type: Grant
    Filed: March 20, 2013
    Date of Patent: August 23, 2016
    Assignee: Institute of Pharmacology and Toxicology Academy of Military Medical Sciences P.L.A. China
    Inventors: Song Li, Chunsheng Gao, Wu Zhong, Yuli Wang, Meiyan Yang, Li Shan, Xinbo Zhou, Zhibing Zheng, Xiaokui Wang
  • Publication number: 20150099003
    Abstract: A sustained-release pharmaceutical composition of topiramate, which is free of binding agent. The sustained-release pharmaceutical composition of topiramate is a sustained-release pellet, comprising a blank pellet core, a drug layer, and a sustained-release coating layer.
    Type: Application
    Filed: March 7, 2013
    Publication date: April 9, 2015
    Applicant: Institute of Pharmacology and Toxicology Academy of Military Medical Sciences P.L.A. China
    Inventors: Song Li, Chunsheng Gao, Wu Zhong, Yuli Wang, Meiyan Yang, Li Shan, Xinbo Zhou, Zhibing Zheng, Xiaokui Wang
  • Publication number: 20150056292
    Abstract: The present invention provides a joint product comprising synephrine and topiramate, in which the synephrine or salt thereof is administered in form of rapid-release preparation, preferably rapid-release pellet, having daily dose of 2 mg to 25 mg, preferably 5 mg to 20 mg; the topiramate is administered in form of sustained-release or controlled-release preparation, preferably sustained-release pellet, having daily dose of 20 mg to 100 mg, preferably 23 mg to 92 mg. The composition is used for treatment of obesity or other diseases associated with obesity.
    Type: Application
    Filed: March 22, 2013
    Publication date: February 26, 2015
    Applicant: Institute of Pharmacology and Toxicology Academy of Military Sciences P.L.A. China
    Inventors: Song Li, Chunsheng Gao, Wu Zhong, Yuli Wang, Meiyan Yang, Li Shan, Xinbo Zhou, Zhibing Zheng, Xiaokui Wang
  • Publication number: 20150044295
    Abstract: The present invention provides a combination product, which comprises immediate release pellet of phentermine and sustained-release pellet of topiramate, wherein the pellet of topiramate includes: a) a blank pellet core; b) an active drug layer that contains topiramate and is free of binding agent, the layer being located on surface of the blank pellet core; c) a sustained-release coating layer containing ethyl cellulose and PVP K30, the sustained-release coating layer being located on external of the active drug layer. The present invention further discloses a method for preparing the combination product.
    Type: Application
    Filed: March 20, 2013
    Publication date: February 12, 2015
    Applicant: Institute of Pharmacology and Toxicology Academy of Military Medical Sciences P.L.A. China
    Inventors: Song LI, Chunseng Gao, Wu Zhong, Yuli Wang, Meiyan Yang, Li Shan, Xinbo Zhou, Zhibing Zheng, Xiaokui Wang