Patents by Inventor Tianmin Zhu

Tianmin Zhu 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).

  • Honokiol Crystal Forms, Amorphous Form And Preparation Thereof
    Publication number: 20220204432
    Abstract: The present invention provides honokiol crystal forms A, B and C and amorphous form and a preparation method thereof, wherein the preparation method comprises dissolving honokiol in n-heptane and standing at room temperature overnight to obtain the separated crystal as honokiol crystal form A; heating the honokiol crystal form A and cooling to room temperature to obtain a solid as honokiol crystal form B; heating the honokiol crystal form A to the molten state and then standing at quenching temperature to obtain the separated crystal as honokiol crystal form C; and adding the honokiol crystal form A with an antisolvent in DMSO/H2O system, and thus obtaining the oily matter as honokiol amorphous form. The honokiol crystal forms A, B and C and the amorphous form of the present invention have the advantages of good solubility, good stability, low hygroscopicity, long-term storage and/or good reproducibility, and are suitable for drug development.
    Type: Application
    Filed: January 20, 2021
    Publication date: June 30, 2022
    Applicant: Chengdu Jinrui Foundation Biotech Co., Ltd.
    Inventors: Haoyu Ye, Tianmin Zhu, Neng Qiu
  • Tigecycline compositions and methods of preparation
    Patent number: 10588975
    Abstract: The present invention relates to novel tigecycline compositions with improved stability in both solid and solution states and processes for making these compositions. These compositions comprise tigecycline, a suitable carbohydrate, and an acid or buffer.
    Type: Grant
    Filed: June 5, 2017
    Date of Patent: March 17, 2020
    Assignee: Wyeth LLC
    Inventors: Mahdi B. Fawzi, Tianmin Zhu, Syed M. Shah
  • Water-soluble rapamycin derivatives
    Patent number: 10442835
    Abstract: The present invention relates to technical fields of organic chemistry and pharmaceutical chemistry, specifically to water-soluble rapamycin derivatives modified with glutathione. More specifically, the present invention discloses a compound of formula I and the preparation method thereof, wherein R1 and R2 are as defined in the description. The compound of formula I can be used in inducing immunosuppression and in the treatment of diseases such as transplant rejection and solid tumor, etc.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: October 15, 2019
    Assignee: Zhejiang Hisun Pharmaceutical Co., Ltd.
    Inventors: Haibo Wang, Hongfu Kuang, Wei Zhang, Zhengjiang Cai, Tianmin Zhu, Xiaohe Zheng, Zhongwei Wu, Zhiqing Yang
  • WATER-SOLUBLE RAPAMYCIN DERIVATIVES
    Publication number: 20190055284
    Abstract: The present invention relates to technical fields of organic chemistry and pharmaceutical chemistry, specifically to water-soluble rapamycin derivatives modified with glutathione. More specifically, the present invention discloses a compound of formula I and the preparation method thereof, wherein R1 and R2 are as defined in the description. The compound of formula I can be used in inducing immunosuppression and in the treatment of diseases such as transplant rejection and solid tumor, etc.
    Type: Application
    Filed: November 9, 2016
    Publication date: February 21, 2019
    Applicant: Zhejiang Hisun Pharmaceutical Co., Ltd.
    Inventors: Haibo Wang, Hongfu Kuang, Wei Zhang, Zhengjiang Cai, Tianmin Zhu, Xiaohe Zheng, Zhongwei Wu, Zhiqing Yang
  • TIGECYCLINE COMPOSITIONS AND METHODS OF PREPARATION
    Publication number: 20170266290
    Abstract: The present invention relates to novel tigecycline compositions with improved stability in both solid and solution states and processes for making these compositions. These compositions comprise tigecycline, a suitable carbohydrate, and an acid or buffer.
    Type: Application
    Filed: June 5, 2017
    Publication date: September 21, 2017
    Applicant: Wyeth LLC
    Inventors: Mahdi B. FAWZI, Tianmin ZHU, Syed M. SHAH
  • Peripheral opioid receptor antagonists and uses thereof
    Patent number: 9724343
    Abstract: The present invention provides a compound of formua I: wherein X?, R1, and R2 are as defined herein, and compositions thereof.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: August 8, 2017
    Assignee: Wyeth, LLC
    Inventors: Nataliya Bazhina, George Joseph Donato, III, Steven R. Fabian, John Lokhnauth, Sreenivasulu Megati, Charles Melucci, Christian Ofslager, Niketa Patel, Galen Radebaugh, Syed M. Shah, Jan Szeliga, Huyi Zhang, Tianmin Zhu
  • Tigecycline compositions and methods of preparation
    Patent number: 9694078
    Abstract: The present invention relates to novel tigecycline compositions with improved stability in both solid and solution states and processes for making these compositions. These compositions comprise tigecycline, a suitable carbohydrate, and an acid or buffer.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: July 4, 2017
    Assignee: Wyeth LLC
    Inventors: Mahdi B. Fawzi, Tianmin Zhu, Syed M. Shah
  • PERIPHERAL OPIOID RECEPTOR ANTAGONISTS AND USES THEREOF
    Publication number: 20170007597
    Abstract: The present invention provides a compound of formula I: wherein X?, R1, and R2 are as defined herein, and compositions thereof.
    Type: Application
    Filed: September 26, 2016
    Publication date: January 12, 2017
    Inventors: Nataliya Bazhina, George Joseph Donato, III, Steven R. Fabian, John Lokhnauth, Sreenivasulu Megati, Charles Melucci, Christian Ofslager, Niketa Patel, Galen Radebaugh, Syed M. Shah, Jan Szeliga, Huyi Zhang, Tianmin Zhu
  • Peripheral opioid receptor antagonists and uses thereof
    Patent number: 9492445
    Abstract: The present invention provides a compound of formula I: wherein X?, R1, and R2 are as defined herein, and compositions thereof.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: November 15, 2016
    Assignee: Wyeth, LLC
    Inventors: Nataliya Bazhina, George Joseph Donato, III, Steven R. Fabian, John Lokhnauth, Sreenivasulu Megati, Charles Melucci, Christian Ofslager, Niketa Patel, Galen Radebaugh, Syed M. Shah, Jan Szeliga, Huyi Zhang, Tianmin Zhu
  • TIGECYCLINE COMPOSITIONS AND METHODS OF PREPARATION
    Publication number: 20160144036
    Abstract: The present invention relates to novel tigecycline compositions with improved stability in both solid and solution states and processes for making these compositions. These compositions comprise tigecycline, a suitable carbohydrate, and an acid or buffer.
    Type: Application
    Filed: January 29, 2016
    Publication date: May 26, 2016
    Applicant: Wyeth LLC
    Inventors: Mahdi B. FAWZI, Tianmin ZHU, Syed M. SHAH
  • PERIPHERAL OPIOID RECEPTOR ANTAGONISTS AND USES THEREOF
    Publication number: 20160113923
    Abstract: The present invention provides a compound of formula I: wherein X?, R1, and R2 are as defined herein, and compositions thereof.
    Type: Application
    Filed: September 30, 2015
    Publication date: April 28, 2016
    Inventors: Nataliya Bazhina, George Joseph Donato, III, Steven R. Fabian, John Lokhnauth, Sreenivasulu Megati, Charles Melucci, Christian Ofslager, Niketa Patel, Galen Radebaugh, Syed M. Shah, Jan Szeliga, Huyi Zhang, Tianmin Zhu
  • Crystalline form of 2-((1?-n-hexyloxy) ethyl)-2-divinyl-pyropheophorbide-a and method for preparing thereof
    Patent number: 9260444
    Abstract: The present invention provides a crystalline form of HPPH (2-((1?-n-hexyloxy)ethyl)-2-divinyl-pyropheophorbide-a): The crystalline form can be characterized by an X-ray powder diffraction (XRD) pattern and differential scanning calorimeter (DSC) pattern. The present invention also provides a method for preparing the crystalline form of HPPH.
    Type: Grant
    Filed: February 7, 2013
    Date of Patent: February 16, 2016
    Assignee: Zhejiang Hisun Pharmaceutical Co., Ltd.
    Inventors: Zhenliang Chen, Fei Zheng, Yumei Wu, Tianmin Zhu, Hua Bai
  • Tigecycline compositions and methods of preparation
    Patent number: 9254328
    Abstract: The present invention relates to novel tigecycline compositions with improved stability in both solid and solution states and processes for making these compositions. These compositions comprise tigecycline, a suitable carbohydrate, and an acid or buffer.
    Type: Grant
    Filed: January 26, 2015
    Date of Patent: February 9, 2016
    Assignee: Wyeth LLC
    Inventors: Mahdi B. Fawzi, Tianmin Zhu, Syed M. Shah
  • Peripheral opioid receptor antagonists and uses thereof
    Patent number: 9180125
    Abstract: The present invention provides a compound of formula I: wherein X?, R1, and R2 are as defined herein, and compositions thereof.
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: November 10, 2015
    Assignee: Wyeth, LLC
    Inventors: Nataliya Bazhina, George Joseph Donato, III, Steven R. Fabian, John Lokhnauth, Sreenivasulu Megati, Charles Melucci, Christian Ofslager, Niketa Patel, Galen Radebaugh, Syed M. Shah, Jan Szeliga, Huyi Zhang, Tianmin Zhu
  • PERIPHERAL OPIOID RECEPTOR ANTAGONISTS AND USES THEREOF
    Publication number: 20150150866
    Abstract: The present invention provides a compound of formula I: wherein X?, R1, and R2 are as defined herein, and compositions thereof.
    Type: Application
    Filed: July 2, 2014
    Publication date: June 4, 2015
    Inventors: Nataliya Bazhina, George Joseph Donato, III, Steven R. Fabian, John Lokhnauth, Sreenivasulu Megati, Charles Melucci, Christian Ofslager, Niketa Patel, Galen Radebaugh, Syed M. Shah, Jan Szeliga, Huyi Zhang, Tianmin Zhu
  • TIGECYCLINE COMPOSITIONS AND METHODS OF PREPARATION
    Publication number: 20150141379
    Abstract: The present invention relates to novel tigecycline compositions with improved stability in both solid and solution states and processes for making these compositions. These compositions comprise tigecycline, a suitable carbohydrate, and an acid or buffer.
    Type: Application
    Filed: January 26, 2015
    Publication date: May 21, 2015
    Inventors: Mahdi B. Fawzi, Tianmin Zhu, Syed M. Shah
  • CRYSTALLINE FORM OF 2-((1'-N-HEXYLOXY) ETHYL)-2-DIVINYL-PYROPHEOPHORBIDE-A AND METHOD FOR PREPARING THEREOF
    Publication number: 20150099873
    Abstract: The present invention provides a crystalline form of HPPH (2-((1?-n-hexyloxy)ethyl)-2-divinyl-pyropheophorbide-a). The crystalline form can be characterized by an X-ray powder diffraction (XRD) pattern and differential scanning calorimeter (DSC) pattern. The present invention also provides a method for preparing the crystalline form of HPPH.
    Type: Application
    Filed: February 7, 2013
    Publication date: April 9, 2015
    Inventors: Zhenliang Chen, Fei Zheng, Yumei Wu, Tianmin Zhu, Hua Bai
  • Tigecycline compositions and methods of preparation
    Patent number: 8975242
    Abstract: The present invention relates to novel tigecycline compositions with improved stability in both solid and solution states and processes for making these compositions. These compositions comprise tigecycline, a suitable carbohydrate, and an acid or buffer.
    Type: Grant
    Filed: January 21, 2011
    Date of Patent: March 10, 2015
    Assignee: Wyeth LLC
    Inventors: Mahdi B. Fawzi, Tianmin Zhu, Syed M. Shah
  • Peripheral opioid receptor antagonists and uses thereof
    Patent number: 8822490
    Abstract: The present invention provides a compound of formula I: wherein X?, R1, and R2 are as defined herein, and compositions thereof.
    Type: Grant
    Filed: May 2, 2013
    Date of Patent: September 2, 2014
    Assignee: Wyeth LLC
    Inventors: Nataliya Bazhina, George Joseph Donato, III, Steven R. Fabian, John Lokhnauth, Sreenivasulu Megati, Charles Melucci, Christian Ofslager, Niketa Patel, Galen Radebaugh, Syed M. Shah, Jan Szeliga, Huyi Zhang, Tianmin Zhu
  • Peripheral opioid receptor antagonists and uses thereof
    Patent number: 8455644
    Abstract: The present invention provides a compound of formula I: wherein X?, R1, and R2 are as defined herein, and compositions thereof.
    Type: Grant
    Filed: July 11, 2012
    Date of Patent: June 4, 2013
    Assignee: Wyeth
    Inventors: Nataliya Bazhina, George Joseph Donato, III, Steven R. Fabian, John Lokhnauth, Sreenivasulu Megati, Charles Melucci, Christian Ofslager, Niketa Patel, Galen Radebaugh, Syed M. Shah, Jan Szeliga, Huyi Zhang, Tianmin Zhu