Patents by Inventor John Qiang Tan

John Qiang Tan 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: 11358949
    Abstract: The present disclosure describes carbamate and urea compounds as novel multikinase inhibitors and methods for preparing them. The pharmaceutical compositions comprising such multikinase inhibitors and methods of using them for treating cancer, infectious diseases, and other disorders associated with kinases are also described.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: June 14, 2022
    Assignee: ANGEX PHARMACEUTICAL, INC.
    Inventors: Wen-Lian Wu, Zhiqiang Yang, Francis Lee, John Qiang Tan
  • Publication number: 20220089612
    Abstract: The present disclosure describes novel heterocyclic PRMT5 inhibitors and methods for preparing them. The pharmaceutical compositions comprising such PRMT5 inhibitors and methods of using them for treating cancer, infectious diseases, and other PRMT5 associated disorders are also described.
    Type: Application
    Filed: November 22, 2021
    Publication date: March 24, 2022
    Inventors: Wen-Lian Wu, Zhiqiang Yang, Francis Lee, John Qiang Tan
  • Patent number: 11180497
    Abstract: The present disclosure describes novel IDO inhibitors and methods for preparing them. The pharmaceutical compositions comprising such IDO inhibitors and methods of using them for treating cancer, infectious diseases, and other disorders are also described.
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: November 23, 2021
    Assignee: ANGEX PHARMACEUTICAL, INC.
    Inventors: Wen-Lian Wu, Zhiqiang Yang, Francis Lee, John Qiang Tan
  • Patent number: 11098046
    Abstract: The present disclosure describes novel TRK kinase inhibitors and methods for preparing them. The pharmaceutical compositions comprising such TRK kinase inhibitors and methods of using them for treating cancer, infectious diseases, and other disorders are also described.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: August 24, 2021
    Assignee: ANGEX PHARMACEUTICAL, INC.
    Inventors: Wen-Lian Wu, Zhiqiang Yang, Francis Lee, John Qiang Tan
  • Publication number: 20210163445
    Abstract: The present disclosure describes carbamate and urea compounds as novel multikinase inhibitors and methods for preparing them. The pharmaceutical compositions comprising such multikinase inhibitors and methods of using them for treating cancer, infectious diseases, and other disorders associated with kinases are also described.
    Type: Application
    Filed: December 10, 2018
    Publication date: June 3, 2021
    Inventors: Wen-Lian Wu, Zhiqiang Yang, Francis Lee, John Qiang Tan
  • Publication number: 20200385386
    Abstract: The present disclosure describes novel TRK kinase inhibitors and methods for preparing them. The pharmaceutical compositions comprising such TRK kinase inhibitors and methods of using them for treating cancer, infectious diseases, and other disorders are also described.
    Type: Application
    Filed: October 11, 2018
    Publication date: December 10, 2020
    Inventors: Wen-Lian Wu, Zhiqiang Yang, Francis Lee, John Qiang Tan
  • Publication number: 20200369667
    Abstract: The present disclosure describes novel PRMT5 inhibitors and methods for preparing them. The pharmaceutical compositions comprising such PRMTS inhibitors and methods of using them for treating cancer, infectious diseases, and other PRMTS associated disorders are also described.
    Type: Application
    Filed: November 1, 2018
    Publication date: November 26, 2020
    Inventors: Wen-Lian Wu, Zhiqiang Yang, Francis Lee, John Qiang Tan
  • Publication number: 20200239464
    Abstract: The present disclosure describes novel IDO inhibitors and methods for preparing them.
    Type: Application
    Filed: September 5, 2018
    Publication date: July 30, 2020
    Inventors: Wen-Lian Wu, Zhiqiang Yang, Francis Lee, John Qiang Tan
  • Patent number: 9914727
    Abstract: The present invention provides compounds of Formula (I) and pharmaceutical compositions comprising compounds of Formula I, and methods for using compounds of Formula I for treating or preventing thromboses, embolisms, hypercoaguability or fibrotic changes.
    Type: Grant
    Filed: December 16, 2013
    Date of Patent: March 13, 2018
    Assignees: Merck Sharp & Dohme Corp., Mochida Pharmaceutical Co., Ltd.
    Inventors: Cameron James Smith, John Qiang Tan, Ting Zhang, James Balkovec, William John Greenlee, Liangqin Guo, Yi-Heng Chen, Yili Chen, Samuel Chackalamannil, Tomokazu Hirabayashi, Mika Sekioka
  • Publication number: 20170247336
    Abstract: The present invention concerns compounds of Formula I that inhibit HIF prolyl hydroxylase, their use for enhancing endogenous production of erythropoietin, and for treating conditions associated with reduced endogenous production of erythropoietin such as anemia and like conditions, as well as pharmaceutical compositions comprising such a compound and a pharmaceutical carrier.
    Type: Application
    Filed: October 8, 2015
    Publication date: August 31, 2017
    Applicant: MERCK SHARP & DOHME CORP.
    Inventors: FEZ UJJAINWALLA, JOHN QIANG TAN, QUN DANG, CHRISTOPHER J. SINZ, ALEJANDRO CRESPO, MING WANG, YILI CHEN, JIAQIANG CAI, FAN WU, XIAOXING DU
  • Publication number: 20170240513
    Abstract: The present invention concerns compounds of Formula I that inhibit HIF prolyl hydroxylase, their use for enhancing endogenous production of erythropoietin, and for treating conditions associated with reduced endogenous production of erythropoietin such as anemia and like conditions, as well as pharmaceutical compositions comprising such a compound and a pharmaceutical carrier.
    Type: Application
    Filed: October 8, 2015
    Publication date: August 24, 2017
    Applicant: MERCK SHARP & DOHME CORP.
    Inventors: FEZ UJJAINWALLA, JOHN QIANG TAN, QUN DANG, CHRISTOPHER J. SINZ, MING WANG, YILI CHEN, JIAQIANG CAI
  • Publication number: 20170240511
    Abstract: The present invention concerns compounds of formula I that inhibit HIF prolyl hydroxylase, their use for enhancing endogenous production of erythropoietin, and for treating conditions associated with reduced endogenous production of erythropoietin such as anemia and like conditions, as well as pharmaceutical compositions comprising such a compound and a pharmaceutical carrier.
    Type: Application
    Filed: October 8, 2015
    Publication date: August 24, 2017
    Applicant: MERCK SHARP & DOHME CORP.
    Inventors: FEZ UJJAINWALLA, JOHN QIANG TAN, QUN DANG, CHRISTOPHER J. SINZ, MING WANG, JIAQIANG CAI, XIAOXING DU, YILI CHEN
  • Patent number: 9708308
    Abstract: The present invention provides a compound of Formula (I) wherein R1 is H or C1-6 alkyl, R2, is H or C1-6 alkyl or CH2OH, R3 is H or C1-6 alkyl, and R4 is H or C1-6 alkyl, provided that when R1, R2, and R3 are H, R4 is C1-6 alkyl, and when R1, R2, and R4 are H, then R3 is C1-6 alkyl, and when R1, R3, and R4 are H, R2 is C1-6 alkyl or —CH2OH, and when R2, R3, and R4 are H, then R1 is C1-6 alkyl; A is 1) a 9-10 membered bicyclic heterocycle having 1-3 heteroatoms independently selected from N, S and O, which 9-10 membered bicyclic heterocycle is unsubstituted or substituted with R5 and unsubstituted or substituted with R6 and unsubstituted or substituted with NH2, or 2) a 6-9 membered monocyclic or bicyclic carbocyclic ring system unsubstituted or substituted with R5, unsubstituted or substituted with R6, and unsubstituted or substituted with —CH2NH2; and B is 1) a 5- or 6-membered monocyclic heterocycle having 1 or 2 heteroatoms independently selected from N, S or O, which is unsubstituted or substitut
    Type: Grant
    Filed: December 16, 2013
    Date of Patent: July 18, 2017
    Assignees: Merck Sharp Dohme Corp., Mochida Pharmacuetical Co., Ltd.
    Inventors: Cameron James Smith, John Qiang Tan, Ting Zhang, James Balkovec, William John Greenlee, Liangqin Guo, Yi-Heng Chen, Yili Chen, Jiayi Xu, Samuel Chackalamannil, Tomokazu Hirabayashi, Hiroshi Nagasue, Kouki Ogawa
  • Patent number: 9695198
    Abstract: The present invention provides a compound of Formula (I) where A is a heterocycle ring system and B is a heterocycle ring system or aryl ring system, and pharmaceutical compositions comprising one or more said compounds, and methods for using said compounds for treating or preventing thromboses, embolisms, hypercoagulability or fibrotic changes.
    Type: Grant
    Filed: December 16, 2013
    Date of Patent: July 4, 2017
    Assignees: Merck Sharp & Dohme Corp., Mochida Pharmaceutical Co., Ltd.
    Inventors: Cameron James Smith, Edward Sherer, Louis-Charles Campeau, James Balkovec, William John Greenlee, Derun Li, Liangqin Guo, Tin-Yau Chan, Yi-Heng Chen, Yili Chen, Samuel Chackalamannil, John Qiang Tan, Tomokazu Hirabayashi, Mika Sekioka
  • Patent number: 9511052
    Abstract: The present invention is directed to compounds of the Formula I: as well as pharmaceutically acceptable salts thereof, that may be useful for treating aldosterone-mediated diseases. The invention furthermore relates to specific diastereomers and enantiomers of the compounds, to processes for preparing compounds of the Formula I, to their potential use for the therapy and prophylaxis of the above-mentioned diseases and for preparing pharmaceuticals for this purpose, and to pharmaceutical compositions which comprise compounds of the Formula I.
    Type: Grant
    Filed: July 15, 2013
    Date of Patent: December 6, 2016
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Timothy A. Cernak, Kevin D. Dykstra, Dong-Ming Shen, Kun Liu, Andrew Stamford, John Qiang Tan
  • Patent number: 9403807
    Abstract: The present invention is directed to compounds of the Formula I as well as pharmaceutically acceptable salts thereof, that are useful for treating aldosterone-mediated diseases. The invention furthermore relates to processes for preparing compounds of the Formula I, to their use for the therapy and prophylaxis of the abovementioned diseases and for preparing pharmaceuticals for this purpose, and to pharmaceutical compositions which comprise compounds of the Formula I.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: August 2, 2016
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Alejandro Crespo, Ping Lan, Rudrajit Mal, Anthony Ogawa, Hong Shen, Peter J. Sinclair, Zhongxiang Sun, Ellen K. Vande Bunte, Zhicai Wu, Kun Liu, Robert J. DeVita, Dong-Ming Shen, Min Shu, John Qiang Tan, Changhe Qi, Yuguang Wang, Richard Beresis
  • Publication number: 20150368269
    Abstract: The present invention provides a compound of Formula (I) where A is a heterocycle ring system and B is a heterocycle ring system or aryl ring system, and pharmaceutical compositions comprising one or more said compounds, and methods for using said compounds for treating or preventing thromboses, embolisms, hypercoagulability or fibrotic changes.
    Type: Application
    Filed: December 16, 2013
    Publication date: December 24, 2015
    Applicants: Merck Sharp & Dohme Corp., Mochida Pharmaceutical Co., Ltd.
    Inventors: Cameron James Smith, Edward Sherer, Louis-Charles Campeau, James Balkovec, William John Greenlee, Derun Li, Liangqin Guo, Tin-Yau Chan, Yi-Heng Chen, Yili Chen, Samuel Chackalamannil, John Qiang Tan, Tomokazu Hirabayashi, Mika Sekioka
  • Publication number: 20150329562
    Abstract: The present invention provides a compound of Formula (I) wherein R1, R2, R3 and R4 are independently H or C1-6 alkyl, provided that when R1, R2, and R3 are H, R4 is C1-6 alkyl, and when R1, R2, and R4 are H, R3 is C1-6 alkyl, and when R1, R3, and R4 are H, R2 is C1-6 alkyl, and when R2, R3, and R4 are H, R is C1-6 alkyl; and pharmaceutical compositions comprising one or more said compounds, and methods for using said compounds for treating or preventing thromboses, embolisms, hypercoagulability or fibrotic changes.
    Type: Application
    Filed: December 16, 2013
    Publication date: November 19, 2015
    Applicants: Merck Sharp & Dohme Corp., Mochida Pharmaceutical Co., Ltd.
    Inventors: Cameron James Smith, John Qiang Tan, Ting Zhang, James Balkovec, William John Greenlee, Liangqin Guo, Yi-Heng Chen, Yili Chen, Samuel Chackalamannil, Tomokazu Hirabayashi, Mika Sekioka
  • Publication number: 20150322056
    Abstract: The present invention provides a compound of Formula (I) wherein R1 is H or C1-6 alkyl, R2, is H or C1-6 alkyl or CH2OH, R3 is H or C1-6 alkyl, and R4 is H or C1-6 alkyl, provided that when R1, R2, and R3 are H, R4 is C1-6 alkyl, and when R1, R2, and R4 are H, then R3 is C1-6 alkyl, and when R1, R3, and R4 are H, R2 is C1-6 alkyl or —CH2OH, and when R2, R3, and R4 are H, then R1 is C1-6 alkyl; A is 1) a 9-10 membered bicyclic heterocycle having 1-3 heteroatoms independently selected from N, S and O, which 9-10 membered bicyclic heterocycle is unsubstituted or substituted with R5 and unsubstituted or substituted with R6 and unsubstituted or substituted with NH2, or 2) a 6-9 membered monocyclic or bicyclic carbocyclic ring system unsubstituted or substituted with R5, unsubstituted or substituted with R6, and unsubstituted or substituted with —CH2NH2; and B is 1) a 5- or 6-membered monocyclic heterocycle having 1 or 2 heteroatoms independently selected from N, S or O, which is unsubstituted or substitut
    Type: Application
    Filed: December 16, 2013
    Publication date: November 12, 2015
    Applicants: Mochida Pharmaceutical Co., Ltd., Merck Sharp & Dohme Corp.
    Inventors: Cameron James SMITH, John Qiang TAN, Ting ZHANG, James BALKOVEC, William John GREENLEE, Liangqin GUO, Yi-Heng CHEN, Yili CHEN, Jiayi XU, Samuel CHACKALAMANNIL, Tomokazu HIRABAYASHI, Hiroshi NAGASUE, Kouki OGAWA
  • Publication number: 20150284376
    Abstract: The present invention is directed to compounds of the Formula I as well as pharmaceutically acceptable salts thereof, that are useful for treating aldosterone-mediated diseases. The invention furthermore relates to processes for preparing compounds of the Formula I, to their use for the therapy and prophylaxis of the abovementioned diseases and for preparing pharmaceuticals for this purpose, and to pharmaceutical compositions which comprise compounds of the Formula I.
    Type: Application
    Filed: December 2, 2014
    Publication date: October 8, 2015
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Alejandro Crespo, Ping Lan, Rudrajit Mal, Anthony Ogawa, Hong Shen, Peter J. Sinclair, Zhongxiang Sun, Ellen K. Vande Bunte, Zhicai Wu, Kun Liu, Robert J. DeVita, Dong-Ming Shen, Min Shu, John Qiang Tan, Changhe Qi, Yuguang Wang, Richard Beresis