Patents Assigned to Hangzhou Pushai Pharmaceutical Technology Co., LTD.
  • Publication number: 20190315727
    Abstract: The present invention relates to canagliflozin Monohydrate and its crystalline forms, which as compared to the prior art, have higher stability in water or aqueous system, are more suitable for wet granulation processes or suspension preparations and have good storage stability; the present invention also relates to preparation methods of canagliflozin Monohydrate and its crystalline forms, pharmaceutical compositions thereof and uses thereof in preparation of drugs for treating diseases such as diabetes, diabetes complications, obesity and so on.
    Type: Application
    Filed: January 8, 2019
    Publication date: October 17, 2019
    Applicant: Hangzhou Pushai Pharmaceutical Technology Co., Ltd.
    Inventors: Xiaoxia Sheng, Xiaohong SHENG, Kun ZHAO, Xiaoye SONG
  • Patent number: 10174010
    Abstract: The present invention relates to canagliflozin Monohydrate and its crystalline forms, which as compared to the prior art, have higher stability in water or aqueous system, are more suitable for wet granulation processes or suspension preparations and have good storage stability; the present invention also relates to preparation methods of canagliflozin Monohydrate and its crystalline forms, pharmaceutical compositions thereof and uses thereof in preparation of drugs for treating diseases such as diabetes, diabetes complications, obesity and so on.
    Type: Grant
    Filed: July 4, 2014
    Date of Patent: January 8, 2019
    Assignee: HANGZHOU PUSHAI PHARMACEUTICAL TECHNOLOGY CO., LTD.
    Inventors: Xiaoxia Sheng, Xiaohong Sheng, Kun Zhao, Xiaoye Song
  • Patent number: 9981912
    Abstract: The present invention relates to a new type of eutectic crystal of lorcaserin hydrochloride and benzoic acid, when compared with the prior art, the eutectic crystal has the improved properties of good stability, low solubility, and being suitable for the application of controlled-release preparation; the present invention also relates to a method for preparing the eutectic crystal, a pharmaceutical composition thereof and the use thereof in the manufacture of drugs for treating and/or preventing diseases associated with 5HT2C.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: May 29, 2018
    Assignee: HANGZHOU PUSHAI PHARMACEUTICAL TECHNOLOGY CO., LTD.
    Inventors: Chenyang Hu, Xiaoxia Sheng, Xiaohong Sheng, Qiang Jia
  • Patent number: 9884856
    Abstract: The present invention involves novel crystal forms of Dabrafenib mesylate and preparation method thereof, wherein the novel crystal forms are more stable in water or an aqueous system, and have greater solubility and dissolution rate in water, thus having better stability and bioavailability compared with the existing crystal forms.
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: February 6, 2018
    Assignee: HANGZHOU PUSHAI PHARMACEUTICAL TECHNOLOGY CO., LTD.
    Inventors: Haiping Lao, Xiaoxia Sheng, Xiaohong Sheng
  • Publication number: 20170327467
    Abstract: The present invention relates to a new type of eutectic crystal of lorcaserin hydrochloride and benzoic acid. Compared with the prior art, the eutectic crystal has the improved properties of good stability, low solubility, and being suitable for the application of controlled-release preparation. The present invention also relates to a method for preparing the eutectic crystal, a pharmaceutical composition thereof and the use thereof in the manufacture of drugs for treating and/or preventing diseases associated with 5HT2C.
    Type: Application
    Filed: March 27, 2015
    Publication date: November 16, 2017
    Applicant: Hangzhou Pushai Pharmaceutical Technology Co., Ltd
    Inventors: Chenyang HU, Xiaoxia SHENG, Xiaohong SHENG, Qiang JIA
  • Publication number: 20170145000
    Abstract: The present invention relates to canagliflozin Monohydrate and its crystalline forms. Compared to the prior art, canagliflozin Monohydrate and its crystalline forms have higher stability in water or aqueous system, is more suitable for wet granulation processes or suspension preparations and have good storage stability. The present invention also relates to preparation methods of canagliflozin Monohydrate and its crystalline forms, pharmaceutical compositions thereof and uses thereof in preparation of drugs for treating diseases such as diabetes, diabetes complications, obesity and so on.
    Type: Application
    Filed: July 4, 2014
    Publication date: May 25, 2017
    Applicant: Hangzhou Pushai Pharmaceutical Technology Co., Ltd.
    Inventors: Xiaoxia SHENG, Xiaohong SHENG, Kun ZHAO, Xiaoye SONG
  • Patent number: 9562024
    Abstract: The present invention relates to the novel vortioxetine salts, solvates and crystalline forms thereof, specifically, vortioxetine hemihydrobromide and a crystalline form thereof, and isopropanol solvate of vortioxetine hydrobromide and a crystalline form thereof. Compared to the known vortioxetine hydrobromide, the vortioxetine salts, solvates and crystalline forms of the present invention have improved features in stability, hygroscopicity and purity. The present invention also relates to preparation methods of the vortioxetine salts, solvates and crystalline forms, pharmaceutical compositions thereof and their uses in the manufacture of antidepressant drugs.
    Type: Grant
    Filed: February 19, 2016
    Date of Patent: February 7, 2017
    Assignee: HANGZHOU PUSHAI PHARMACEUTICAL TECHNOLOGY CO., LTD
    Inventors: Xiaoye Song, Xiaoxia Sheng, Xiaohong Sheng
  • Publication number: 20170008919
    Abstract: The present invention relates to a novel crystal form of oxazolidinone antibiotics. The new crystalline form has advantages in the aspects of solubility, hygroscopicity, crystallinity and stability. The present invention also relates to a method for preparing the new crystalline form, a pharmaceutical composition thereof and the use thereof in the preparation of drugs for treating and/or preventing diseases caused by microbial infection.
    Type: Application
    Filed: March 27, 2015
    Publication date: January 12, 2017
    Applicant: Hangzhou Pushai Pharmaceutical Technology Co., Ltd.
    Inventors: Xiaoxia SHENG, Xiaohong SHENG, Tao ZHU, Qiang JIA
  • Publication number: 20160368909
    Abstract: Disclosed are a novel crystal form of Dabrafenib mesylate and preparation method thereof. The novel crystal form of the present invention is more stable in water or an aqueous system, and has greater solubility and dissolution in water, thus having better stability and bioavailability compared with the existing crystal forms.
    Type: Application
    Filed: August 25, 2016
    Publication date: December 22, 2016
    Applicant: Hangzhou Pushai Pharmaceutical Technology Co., LTD
    Inventors: Haiping LAO, Xiaoxia SHENG, Xiaohong Sheng
  • Patent number: 9458149
    Abstract: The invention relates to Crystal Form VII of dabrafenib and preparation method thereof, wherein Crystal Form VII has the advantage of being more stable at room temperature or in aqueous systems, and has low hygroscopicity, and thus is more suitable for a wet granulation process or being prepared into a suspension; and the present invention also relates to a pharmaceutical composition and formulations comprising Crystal Form VII, and their use in the treatment of Raf family kinase-related diseases.
    Type: Grant
    Filed: March 25, 2016
    Date of Patent: October 4, 2016
    Assignee: HANGZHOU PUSHAI PHARMACEUTICAL TECHNOLOGY CO., LTD.
    Inventors: Haiping Lao, Xiaoxia Sheng, Xiaohong Sheng
  • Patent number: 9453011
    Abstract: The present invention involves novel crystal forms of Dabrafenib mesylate and preparation method thereof, wherein the novel crystal forms are more stable in water or an aqueous system, and have greater solubility and dissolution rate in water, thus having better stability and bioavailability compared with the existing crystal forms.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: September 27, 2016
    Assignee: HANGZHOU PUSHAI PHARMACEUTICAL TECHNOLOGY CO., LTD.
    Inventors: Haiping Lao, Xiaoxia Sheng, Xiaohong Sheng
  • Publication number: 20160207907
    Abstract: The present invention relates to the novel solid forms of Afatinib monomaleate and preparation methods thereof; the solid forms of Afatinib monomaleate of the present invention have many improved properties as compared to the known crystalline form of Afatinib salt; and the present invention also relates to pharmaceutical compositions containing the novel solid forms of Afatinib monomaleate as well as the uses thereof for treating terminal non-small cell lung cancer (NSCLS) and HER2 positive advanced breast cancer.
    Type: Application
    Filed: January 14, 2016
    Publication date: July 21, 2016
    Applicant: Hangzhou Pushai Pharmaceutical Technology Co., LTD.
    Inventors: Xiaohong Sheng, Jianfeng Zheng, Xiaoxia Sheng
  • Patent number: 9365559
    Abstract: The invention relates to Crystal Hydrate Form VI of Dabrafenib and preparation method thereof, wherein Crystal Hydrate Form VI of Dabrafenib has the advantage of being more stable at room temperature or in aqueous systems, and has low hygroscopicity, and thus is more suitable for a wet granulation process or being prepared into a suspension; and the present invention also relates to a pharmaceutical composition and formulations comprising Crystal Hydrate Form VI of Dabrafenib, and their use in the treatment of Raf family kinase-related diseases.
    Type: Grant
    Filed: July 8, 2015
    Date of Patent: June 14, 2016
    Assignee: HANGZHOU PUSHAI PHARMACEUTICAL TECHNOLOGY CO., LTD.
    Inventors: Haiping Lao, Xiaoxia Sheng, Xiaohong Sheng
  • Publication number: 20160145258
    Abstract: The present invention relates to a new crystalline forms of the inhibitor, 5-fluoro-3-phenyl-2-[(S)-1-(9H-purin-6-ylamino)-propyl]-3H-quinazoline-4-one; the new crystalline form, compared to known forms, has one or more improved properties. The present invention also relates to a method for preparing a new crystalline form of 5-fluoro-3-phenyl-2-[(S)-1-(9H-purin-6-ylamino)-propyl]-3H-quinazolin-4-one, a pharmaceutical composition thereof and a use thereof in preparation of a pharmaceutical for the treatment and/or prevention of diseases such as chronic lymphocytic leukemia and indolent non-Hodgkin's lymphoma.
    Type: Application
    Filed: December 2, 2015
    Publication date: May 26, 2016
    Applicant: Hangzhou Pushai Pharmaceutical Technology Co., LTD.
    Inventors: Zhonghua ZHANG, Xiaoxia Sheng, Xiaohong Sheng
  • Publication number: 20160046615
    Abstract: Disclosed are a novel crystal form of Dabrafenib mesylate and preparation method thereof. The novel crystal form of the present invention is more stable in water or an aqueous system, and has greater solubility and dissolution in water, thus having better stability and bioavailability compared with the existing crystal forms.
    Type: Application
    Filed: October 28, 2015
    Publication date: February 18, 2016
    Applicant: Hangzhou Pushai Pharmaceutical Technology Co., LTD.
    Inventors: Haiping LAO, Xiaoxia SHENG, Xiaohong Sheng
  • Patent number: 9181243
    Abstract: The present invention relates to a crystalline Form M of trametinib dimethyl sulfoxide solvate. Comparing with the prior art, Form M is a more stable crystalline form with better particle size distribution and good flowability and is non-hygroscopic. Therefore, it is more suitable for formulation. The present invention also relates to pharmaceutical compositions thereof, methods of making and using thereof.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: November 10, 2015
    Assignee: Hangzhou Pushai Pharmaceutical Technology Co. Ltd.
    Inventors: Chenyang Hu, Xiaoxia Sheng, Xiaohong Sheng
  • Publication number: 20150307484
    Abstract: The invention relates to a new crystal form of dabrafenib and preparation method thereof. With respect to known crystal forms, the new crystal form has the advantage of being more stable at room temperature or in aqueous systems, and has low hygroscopicity, and thus is more suitable for a wet granulation process or being prepared into a suspension. The present invention also relates to a pharmaceutical composition and formulations comprising the new crystal form, and their use in the treatment of Raf family kinase-related diseases.
    Type: Application
    Filed: July 8, 2015
    Publication date: October 29, 2015
    Applicant: Hangzhou Pushai Pharmaceutical Technology Co., LTD.
    Inventors: Haiping LAO, Xiaoxia SHENG, Xiaohong Sheng