Patents by Inventor Dalian Zhao

Dalian 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).

  • Publication number: 20240124391
    Abstract: This application relates to solabegron zwitterion useful for the treatment of lower urinary tract symptoms such as, for example, overactive bladder and prostate disorders. Additionally, this application relates to pharmaceutical compositions and methods of treatment utilizing the solabegron zwitterion for treating lower urinary tract symptoms. This application also relates to methods of preparing solabegron hydrochloride from the solabegron zwitterion.
    Type: Application
    Filed: May 18, 2023
    Publication date: April 18, 2024
    Applicant: B3AR THERAPEUTICS, INC.
    Inventors: Raymond E. STEVENS, Dalian ZHAO, Bingidimi Itute MOBELE
  • Patent number: 11787819
    Abstract: The present invention relates to malate salt of a multi-tyrosine kinase inhibitor. In particular, the present invention relates to crystalline forms of the malate salt of multi-tyrosine kinase inhibitor N-(3-fluoro-4-((2-(5-(((2-methoxyethyl)amino)methyl)pyridin-2-yl)thieno[3,2-b]pyridin-7-yl)oxy)phenyl)-N-(4-fluorophenyl)cyclopropane-1,1-dicarboxamide (S)-2-hydroxysuccinate (1:1), pharmaceutical compositions comprising the crystalline form, processes for preparing the crystalline form and methods of use therefore.
    Type: Grant
    Filed: March 10, 2022
    Date of Patent: October 17, 2023
    Assignee: MIRATI THERAPEPEUTICS, INC.
    Inventors: Patricia Andres, Ekaterina Albert, Emily Rigsbee, Zhiwei Cao, Dalian Zhao, Zhonghua Zhang
  • Patent number: 11691944
    Abstract: This application relates to solabegron zwitterion useful for the treatment of lower urinary tract symptoms such as, for example, overactive bladder and prostate disorders. Additionally, this application relates to pharmaceutical compositions and methods of treatment utilizing the solabegron zwitterion for treating lower urinary tract symptoms. This application also relates to methods of preparing solabegron hydrochloride from the solabegron zwitterion.
    Type: Grant
    Filed: October 22, 2020
    Date of Patent: July 4, 2023
    Assignee: B3AR THERAPEUTICS, INC.
    Inventors: Raymond E. Stevens, Dalian Zhao, Bingidimi Itute Mobele
  • Publication number: 20230150994
    Abstract: The present technology relates to processes, compounds, compositions, and methods useful for coupling reactions. Also, the present disclosure provides for novel intermediates, compositions of matter, and processes relating to the Chk1 inhibitor, SRA737.
    Type: Application
    Filed: April 6, 2021
    Publication date: May 18, 2023
    Inventors: Michael SCHWAEBE, Thorsten ROSNER, Dalian ZHAO, Ross MILLER, Rich DULINA, Michael HUMORA, Stephen E. GOTTSCHLING
  • Publication number: 20220289760
    Abstract: The present invention relates to malate salt of a multi-tyrosine kinase inhibitor. In particular, the present invention relates to crystalline forms of the malate salt of multi-tyrosine kinase inhibitor N-(3-fluoro-4-((2-(5-(((2-methoxyethyl)amino)methyl)pyridin-2-yl)thieno[3,2-b]pyridin-7-yl)oxy)phenyl)-N-(4-fluorophenyl)cyclopropane-1,1-dicarboxamide (S)-2-hydroxysuccinate (1:1), pharmaceutical compositions comprising the crystalline form, processes for preparing the crystalline form and methods of use therefore.
    Type: Application
    Filed: March 10, 2022
    Publication date: September 15, 2022
    Inventors: Patricia Andres, Ekaterina Albert, Emily Rigsbee, Zhiwei Cao, Dalian Zhao, Zhonghua Zhang
  • Publication number: 20220177468
    Abstract: Provided herein are integrin inhibitors, compositions thereof, and methods of their uses. Crystalline forms of salts of the inhibitors are also described, along with methods of preparing the crystalline forms. X-ray powder diffraction data, thermogravimetric analysis, and differential scanning calorimetry data are provided for the crystalline forms. The integrin inhibitors are useful for treatment of, inter alia, fibrotic diseases.
    Type: Application
    Filed: November 19, 2021
    Publication date: June 9, 2022
    Inventors: Jacob CHA, Katerina LEFTHERIS, Qi GAO, Jian WANG, Dalian ZHAO
  • Publication number: 20210317073
    Abstract: This application relates to solabegron zwitterion useful for the treatment of lower urinary tract symptoms such as, for example, overactive bladder and prostate disorders. Additionally, this application relates to pharmaceutical compositions and methods of treatment utilizing the solabegron zwitterion for treating lower urinary tract symptoms. This application also relates to methods of preparing solabegron hydrochloride from the solabegron zwitterion.
    Type: Application
    Filed: October 22, 2020
    Publication date: October 14, 2021
    Inventors: Raymond E. STEVENS, Dalian ZHAO, Bingidimi Itute MOBELE
  • Patent number: 10844004
    Abstract: This application relates to solabegron zwitterion useful for the treatment of lower urinary tract symptoms such as, for example, overactive bladder and prostate disorders. Additionally, this application relates to pharmaceutical compositions and methods of treatment utilizing the solabegron zwitterion for treating lower urinary tract symptoms. This application also relates to methods of preparing solabegron hydrochloride from the solabegron zwitterion.
    Type: Grant
    Filed: January 11, 2019
    Date of Patent: November 24, 2020
    Assignee: Velicept Therapeutics, Inc.
    Inventors: Raymond E. Stevens, Dalian Zhao, Bingidimi Itute Mobele
  • Publication number: 20190185414
    Abstract: This application relates to solabegron zwitterion useful for the treatment of lower urinary tract symptoms such as, for example, overactive bladder and prostate disorders. Additionally, this application relates to pharmaceutical compositions and methods of treatment utilizing the solabegron zwitterion for treating lower urinary tract symptoms. This application also relates to methods of preparing solabegron hydrochloride from the solabegron zwitterion.
    Type: Application
    Filed: January 11, 2019
    Publication date: June 20, 2019
    Inventors: Raymond E. STEVENS, Dalian ZHAO, Bingidimi Itute MOBELE
  • Patent number: 10221126
    Abstract: This application relates to solabegron zwitterion useful for the treatment of lower urinary tract symptoms such as, for example, overactive bladder and prostate disorders. Additionally, this application relates to pharmaceutical compositions and methods of treatment utilizing the solabegron zwitterion for treating lower urinary tract symptoms. This application also relates to methods of preparing solabegron hydrochloride from the solabegron zwitterion.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: March 5, 2019
    Assignee: VELICEPT THERAPEUTICS, INC.
    Inventors: Raymond E. Stevens, Dalian Zhao, Bingidimi Itute Mobele
  • Publication number: 20180370902
    Abstract: This application relates to solabegron zwitterion useful for the treatment of lower urinary tract symptoms such as, for example, overactive bladder and prostate disorders. Additionally, this application relates to pharmaceutical compositions and methods of treatment utilizing the solabegron zwitterion for treating lower urinary tract symptoms. This application also relates to methods of preparing solabegron hydrochloride from the solabegron zwitterion.
    Type: Application
    Filed: June 26, 2018
    Publication date: December 27, 2018
    Inventors: Raymond E. STEVENS, Dalian ZHAO, Bingidimi Itute MOBELE
  • Patent number: 10065922
    Abstract: This application relates to solabegron zwitterion useful for the treatment of lower urinary tract symptoms such as, for example, overactive bladder and prostate disorders. Additionally, this application relates to pharmaceutical compositions and methods of treatment utilizing the solabegron zwitterion for treating lower urinary tract symptoms. This application also relates to methods of preparing solabegron hydrochloride from the solabegron zwitterion.
    Type: Grant
    Filed: October 24, 2016
    Date of Patent: September 4, 2018
    Assignee: Velicept Therapeutics, Inc.
    Inventors: Raymond E. Stevens, Dalian Zhao, Bingidimi Itute Mobele
  • Publication number: 20170114005
    Abstract: This application relates to solabegron zwitterion useful for the treatment of lower urinary tract symptoms such as, for example, overactive bladder and prostate disorders. Additionally, this application relates to pharmaceutical compositions and methods of treatment utilizing the solabegron zwitterion for treating lower urinary tract symptoms. This application also relates to methods of preparing solabegron hydrochloride from the solabegron zwitterion.
    Type: Application
    Filed: October 24, 2016
    Publication date: April 27, 2017
    Inventors: Raymond E. STEVENS, Dalian ZHAO, Bingidimi Itute MOBELE
  • Publication number: 20100292282
    Abstract: The present invention relates to a process for producing crystalline 3-[(1S)-1-(1-{(S)-(4-chlorophenyl)[3-(5-oxo-4,5-dihydro-1,3,4-oxadiazol-2-yl)phenyl]methyl}azetidin-3-yl)-2-fluoro-2-methyl-propyl]-5-fluorobenzonitrile, and novel salts, solvates, hydrates and polymorphs thereof.
    Type: Application
    Filed: October 20, 2008
    Publication date: November 18, 2010
    Inventors: Kevin R. Campos, Cheng-Yi Chen, Jennifer R. Foley, Michael Hillier, Wendy S. Jen, Amude M. Kassim, Artis Klapars, Andrey V. Peresypkin, Thorsten Rosner, Cecile G. Savarin, Matthew Tudge, Narayan Variankaval, Vicky Vydra, Dalian Zhao
  • Patent number: 7683092
    Abstract: Novel crystalline forms of two indole compounds connected to phenoxyalkylcarboxylic acid groups are selective PPAR gamma partial agonists that are useful in the treatment of type 2 diabetes, hyperglycemia, obesity, dyslipidemia, and the metabolic syndrome. The novel crystal forms include a crystalline free acid dihydrate and crystalline free acid anhydrate of one compound and several crystalline forms of the free acid and the sodium salt of the second compound. The invention also relates to pharmaceutical compositions comprising these novel crystal forms, processes to prepare the crystal forms and their pharmaceutical compositions, and uses of the crystal forms in the treatment of type 2 diabetes and other PPAR gamma modulated diseases.
    Type: Grant
    Filed: March 10, 2006
    Date of Patent: March 23, 2010
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Dalian Zhao, Jean-Francois Marcoux, David Boardman, Aquiles E. Leyes
  • Publication number: 20080221198
    Abstract: Novel crystalline forms of two indole compounds connected to phenoxyalkylcarboxylic acid groups are selective PPAR gamma partial agonists that are useful in the treatment of type 2 diabetes, hyperglycemia, obesity, dyslipidemia, and the metabolic syndrome. The novel crystal forms include a crystalline free acid dihydrate and crystalline free acid anhydrate of one compound and several crystalline forms of the free acid and the sodium salt of the second compound. The invention also relates to pharmaceutical compositions comprising these novel crystal forms, processes to prepare the crystal forms and their pharmaceutical compositions, and uses of the crystal forms in the treatment of type 2 diabetes and other PPAR gamma modulated diseases.
    Type: Application
    Filed: March 10, 2006
    Publication date: September 11, 2008
    Inventors: Dalian Zhao, Jean-Francois Marcoux, David Boardman, Aquiles E. Leyes
  • Patent number: 6281391
    Abstract: This invention encompasses a novel process for synthesizing compounds represented by formula A: These compounds are intermediates useful in the preparation of certain agents that are selective COX-2 inhibitors.
    Type: Grant
    Filed: October 27, 1999
    Date of Patent: August 28, 2001
    Assignees: Merck & Co., Inc., Merck Frosst Canada & Co.
    Inventors: Richard D. Tillyer, Ian W. Davies, Robert D. Larsen, Xin Wang, Paul O'Shea, Anthony On-Ping King, Dalian Zhao, Cheng Y. Chen, Edward J. J. Grabowski
  • Patent number: 6040480
    Abstract: The present invention provides novel methods for the asymmetric synthesis of (S)-6-chloro-4-cyclopropylethynyl-4-trifluoromethyl-1,4-dihydro-2H-3,1- benzoxazin-2-one of formula (VI-i) ##STR1## which is useful as a human immunodeficiency virus (HIV) reverse transcriptase inhibitor.
    Type: Grant
    Filed: February 11, 1999
    Date of Patent: March 21, 2000
    Assignee: Du Pont Pharmaceuticals Company
    Inventors: Michael E. Pierce, Cheng Y. Chen, Anusuya Choudhury, Lilian A. Radesca, Lushi Tan, Dalian Zhao
  • Patent number: 5925789
    Abstract: The present invention provides novel methods for the asymmetric synthesis of (S)-6-chloro-4-cyclopropylethynyl-4-trifluoromethyl-1,4-dihydro-2H-3,1- benzoxazin-2-one of formula (VI-i) ##STR1## which is useful as a human immunodeficiency virus (HIV) reverse transcriptase inhibitor.
    Type: Grant
    Filed: April 6, 1998
    Date of Patent: July 20, 1999
    Assignee: DuPont Pharmaceuticals Company
    Inventors: Michael E. Pierce, Cheng Y. Chen, Anusuya Choudhury, Lilian A. Radesca, Lushi Tan, Dalian Zhao
  • Patent number: 5856492
    Abstract: An efficient method for the quantitative preparation and isolation of a compound of formula I ##STR1## or its enantiomer, a chiral mediator used in enantioselective synthesis.
    Type: Grant
    Filed: January 5, 1998
    Date of Patent: January 5, 1999
    Assignee: Merck & Co., Inc.
    Inventors: Cheng Yi Chen, Feng Xu, Richard D. Tillyer, Dalian Zhao