Patents Assigned to Hangzhou Pushai Pharmaceutical Technology Co., LTD.
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Publication number: 20190315727Abstract: 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: ApplicationFiled: January 8, 2019Publication date: October 17, 2019Applicant: Hangzhou Pushai Pharmaceutical Technology Co., Ltd.Inventors: Xiaoxia Sheng, Xiaohong SHENG, Kun ZHAO, Xiaoye SONG
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Patent number: 10174010Abstract: 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: GrantFiled: July 4, 2014Date of Patent: January 8, 2019Assignee: HANGZHOU PUSHAI PHARMACEUTICAL TECHNOLOGY CO., LTD.Inventors: Xiaoxia Sheng, Xiaohong Sheng, Kun Zhao, Xiaoye Song
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Patent number: 9981912Abstract: 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: GrantFiled: March 27, 2015Date of Patent: May 29, 2018Assignee: HANGZHOU PUSHAI PHARMACEUTICAL TECHNOLOGY CO., LTD.Inventors: Chenyang Hu, Xiaoxia Sheng, Xiaohong Sheng, Qiang Jia
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Patent number: 9884856Abstract: 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: GrantFiled: August 25, 2016Date of Patent: February 6, 2018Assignee: HANGZHOU PUSHAI PHARMACEUTICAL TECHNOLOGY CO., LTD.Inventors: Haiping Lao, Xiaoxia Sheng, Xiaohong Sheng
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Publication number: 20170327467Abstract: 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: ApplicationFiled: March 27, 2015Publication date: November 16, 2017Applicant: Hangzhou Pushai Pharmaceutical Technology Co., LtdInventors: Chenyang HU, Xiaoxia SHENG, Xiaohong SHENG, Qiang JIA
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Publication number: 20170145000Abstract: 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: ApplicationFiled: July 4, 2014Publication date: May 25, 2017Applicant: Hangzhou Pushai Pharmaceutical Technology Co., Ltd.Inventors: Xiaoxia SHENG, Xiaohong SHENG, Kun ZHAO, Xiaoye SONG
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Patent number: 9562024Abstract: 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: GrantFiled: February 19, 2016Date of Patent: February 7, 2017Assignee: HANGZHOU PUSHAI PHARMACEUTICAL TECHNOLOGY CO., LTDInventors: Xiaoye Song, Xiaoxia Sheng, Xiaohong Sheng
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Publication number: 20170008919Abstract: 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: ApplicationFiled: March 27, 2015Publication date: January 12, 2017Applicant: Hangzhou Pushai Pharmaceutical Technology Co., Ltd.Inventors: Xiaoxia SHENG, Xiaohong SHENG, Tao ZHU, Qiang JIA
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Publication number: 20160368909Abstract: 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: ApplicationFiled: August 25, 2016Publication date: December 22, 2016Applicant: Hangzhou Pushai Pharmaceutical Technology Co., LTDInventors: Haiping LAO, Xiaoxia SHENG, Xiaohong Sheng
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Patent number: 9458149Abstract: 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: GrantFiled: March 25, 2016Date of Patent: October 4, 2016Assignee: HANGZHOU PUSHAI PHARMACEUTICAL TECHNOLOGY CO., LTD.Inventors: Haiping Lao, Xiaoxia Sheng, Xiaohong Sheng
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Patent number: 9453011Abstract: 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: GrantFiled: October 28, 2015Date of Patent: September 27, 2016Assignee: HANGZHOU PUSHAI PHARMACEUTICAL TECHNOLOGY CO., LTD.Inventors: Haiping Lao, Xiaoxia Sheng, Xiaohong Sheng
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Publication number: 20160207907Abstract: 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: ApplicationFiled: January 14, 2016Publication date: July 21, 2016Applicant: Hangzhou Pushai Pharmaceutical Technology Co., LTD.Inventors: Xiaohong Sheng, Jianfeng Zheng, Xiaoxia Sheng
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Patent number: 9365559Abstract: 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: GrantFiled: July 8, 2015Date of Patent: June 14, 2016Assignee: HANGZHOU PUSHAI PHARMACEUTICAL TECHNOLOGY CO., LTD.Inventors: Haiping Lao, Xiaoxia Sheng, Xiaohong Sheng
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Publication number: 20160145258Abstract: 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: ApplicationFiled: December 2, 2015Publication date: May 26, 2016Applicant: Hangzhou Pushai Pharmaceutical Technology Co., LTD.Inventors: Zhonghua ZHANG, Xiaoxia Sheng, Xiaohong Sheng
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Publication number: 20160046615Abstract: 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: ApplicationFiled: October 28, 2015Publication date: February 18, 2016Applicant: Hangzhou Pushai Pharmaceutical Technology Co., LTD.Inventors: Haiping LAO, Xiaoxia SHENG, Xiaohong Sheng
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Patent number: 9181243Abstract: 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: GrantFiled: June 30, 2014Date of Patent: November 10, 2015Assignee: Hangzhou Pushai Pharmaceutical Technology Co. Ltd.Inventors: Chenyang Hu, Xiaoxia Sheng, Xiaohong Sheng
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Publication number: 20150307484Abstract: 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: ApplicationFiled: July 8, 2015Publication date: October 29, 2015Applicant: Hangzhou Pushai Pharmaceutical Technology Co., LTD.Inventors: Haiping LAO, Xiaoxia SHENG, Xiaohong Sheng