Patents by Inventor Jiaqiang Cai

Jiaqiang Cai 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: 20160280704
    Abstract: Compounds of formula I are provided, which are JAK inhibitors and are useful for the treatment of JAK-mediated diseases such as rheumatoid arthritis, asthma, COPD and cancer.
    Type: Application
    Filed: March 19, 2014
    Publication date: September 29, 2016
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Matthew Lloyd Childers, Christopher Dinsmore, Peter Fuller, David Guerin, Jason David Katz, Qinglin Pu, Mark E. Scott, Christopher F. Thompson, Hongjun Zhang, Danielle Falcone, Luis Torres, Jason Brubaker, Hongbo Zeng, Jiaqiang Cai, Xiaoxing Du, Chonggang Wang, Yunfeng Bai, Norman Kong, Yumei Liu, Zhixiang Zheng
  • Patent number: 9382226
    Abstract: The invention involves compounds of structural Formula (I) and the pharmaceutically acceptable salts thereof. The compounds of the invention are effective at selectively inhibiting CYP11B2, and are therefore useful for the treatment or prophylaxis of disorders that are associated with elevated aldosterone levels, including, but not limited to, hypertension and heart failure.
    Type: Grant
    Filed: July 20, 2011
    Date of Patent: July 5, 2016
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Scott B. Hoyt, Min K. Park, Clare London, Yusheng Xiong, D. Jonathan Bennett, Jiaqiang Cai, Paul Ratcliffe, Andrew Cooke, Emma Carswell, John MacLean, Rohit Saxena, Bheemashankar A. Kulkarni, Archana Gupta
  • Patent number: 9115126
    Abstract: The invention relates to 1H-[1,2,3]triazolo[4,5-c]pyridine-4-carbonitrile derived Cathepsin S inhibitors of Formula (I), wherein R1 is H or (C1-3)alkyl; R2 is halogen or (C1-4)alkyl, optionally substituted with one or more halogens; n is 1-3; X is O or CH2; U, V and W are CH; or one of U, V and W is N; Y is a group capable of interacting with the Sn . . . S2 substites of the active site of Cathepsin S; or a pharmaceutically acceptable salt thereof, to pharmaceutical compositions comprising the same as well as to the use of these derivatives for the preparation of a medicament for the treatment of cathepsin S related diseases such as atherosclerosis, obesity, inflammation and immune disorders, such as rheumatoid arthritis, psoriasis, cancer, and chronic pain, such as neuropathic pain.
    Type: Grant
    Filed: January 13, 2011
    Date of Patent: August 25, 2015
    Assignee: Merck Sharp & Dohme B.V.
    Inventors: Jiaqiang Cai, David Jonathan Bennett, Philip Stephen Jones
  • Publication number: 20120283239
    Abstract: The invention relates to 1H-[1,2,3]triazolo[4,5-c]pyridine-4-carbonitrile derived Cathepsin S inhibitors of Formula (I), wherein R1 is H or (C1-3)alkyl; R2 is halogen or (C1-4)alkyl, optionally substituted with one or more halogens; n is 1-3; X is O or CH2; U, V and W are CH; or one of U, V and W is N; Y is a group capable of interacting with the Sn . . . S2 substites of the active site of Cathepsin S; or a pharmaceutically acceptable salt thereof, to pharmaceutical compositions comprising the same as well as to the use of these derivatives for the preparation of a medicament for the treatment of cathepsin S related diseases such as atherosclerosis, obesity, inflammation and immune disorders, such as rheumatoid arthritis, psoriasis, cancer, and chronic pain, such as neuropathic pain.
    Type: Application
    Filed: January 13, 2011
    Publication date: November 8, 2012
    Applicant: MSD OSS B.V.
    Inventors: Jiaqiang Cai, David Jonathan Bennett, Philip Stephen Jones
  • Patent number: 8026236
    Abstract: The present invention relates to 6-phenyl-1H-imidazo[4,5-c]pyridine-4-carbonitrile derivatives having the general Formula I to pharmaceutical compositions comprising the same as well as to the use of these derivatives for the preparation of a medicament for the treatment of cathepsin S related diseases such as atherosclerosis, obesity, inflammation and immune disorders, such as rheumatoid arthritis, psoriasis, cancer, and chronic pain, such as neuropathic pain.
    Type: Grant
    Filed: January 13, 2010
    Date of Patent: September 27, 2011
    Assignee: N.V. Organon
    Inventors: John Stephen Robinson, Philip Stephen Jones, Jiaqiang Cai, David Jonathan Bennett
  • Patent number: 7932251
    Abstract: The present invention relates to 6-phenyl-1H-imidazo[4,5-c]pyridine-4-carbonitrile derivatives having the general Formula I to pharmaceutical compositions comprising the same as well as to the use of these derivatives for the preparation of a medicament for the treatment of cathepsin S related diseases such as atherosclerosis, obesity, inflammation and immune disorders, such as rheumatoid arthritis, psoriasis, cancer, and chronic pain, such as neuropathic pain.
    Type: Grant
    Filed: July 15, 2008
    Date of Patent: April 26, 2011
    Assignee: N.V. Organon
    Inventors: Jiaqiang Cai, Zoran Rankovic, Philip Stephen Jones, David Jonathan Bennett, Xavier Fradera
  • Publication number: 20100184761
    Abstract: The present invention relates to 6-phenyl-1H-imidazo[4,5-c]pyridine-4-carbonitrile derivatives having the general Formula I to pharmaceutical compositions comprising the same as well as to the use of these derivatives for the preparation of a medicament for the treatment of cathepsin S related diseases such as atherosclerosis, obesity, inflammation and immune disorders, such as rheumatoid arthritis, psoriasis, cancer, and chronic pain, such as neuropathic pain.
    Type: Application
    Filed: January 13, 2010
    Publication date: July 22, 2010
    Inventors: John Stephen Robinson, Philip Stephen Jones, Jiaqiang Cai, David Jonathan Bennett
  • Patent number: 7687515
    Abstract: The present invention relates to 6-phenyl-1H-imidazo[4,5-c]pyridine-4-carbonitrile derivatives having the general Formula I wherein each of the substituents is given the definition as set forth in the specification and claims, pharmaceutical compositions comprising the same as well as to the use of these derivatives for the preparation of a medicament for the treatment of cathepsin S and/or cathepsin K related diseases such as osteoporosis, atherosclerosis, inflammation and immune disorders, such as rheumatoid arthritis, and chronic pain, such as neuropathic pain.
    Type: Grant
    Filed: January 16, 2007
    Date of Patent: March 30, 2010
    Assignee: N.V. Organon
    Inventors: Jiaqiang Cai, Zoran Rankovic, Philip Stephen Jones, David Jonathan Bennett, Iain Cumming, Jonathan Gillespie
  • Patent number: 7589095
    Abstract: The invention relates to 4-phenyl-pyrimidine-2-carbonitrile derivatives having the general formula I wherein each of the substituents is given the definition as set forth in the specification and claims, or a pharmaceutically acceptable salt thereof. The invention also relates to pharmaceutical compositions comprising the derivatives as well as to the use thereof in the treatment of osteoporosis, atherosclerosis, inflammation and immune disorders, such as rheumatoid arthritis, and chronic pain, such as neuropathic pain.
    Type: Grant
    Filed: June 9, 2005
    Date of Patent: September 15, 2009
    Assignee: N.V. Organon
    Inventors: Jiaqiang Cai, Zoran Rankovic, Jennifer Helen Moir
  • Publication number: 20090099172
    Abstract: The present invention relates to 6-phenyl-1H-imidazo[4,5-c]pyridine-4-carbonitrile derivatives having the general Formula I to pharmaceutical compositions comprising the same as well as to the use of these derivatives for the preparation of a medicament for the treatment of cathepsin S related diseases such as atherosclerosis, obesity, inflammation and immune disorders, such as rheumatoid arthritis, psoriasis, cancer, and chronic pain, such as neuropathic pain.
    Type: Application
    Filed: July 15, 2008
    Publication date: April 16, 2009
    Inventors: Jiaqiang Cai, Zoran Rankovic, Philip Stephen Jones, David Jonathan Bennett, Xavier Fradera
  • Publication number: 20080090813
    Abstract: The invention relates to 4-phenyl-pyrimidine-2-carbonitrile derivatives having the general formula I wherein each of the substituents is given the definition as set forth in the specification and claims, or a pharmaceutically acceptable salt thereof. The invention also relates to pharmaceutical compositions comprising the derivatives as well as to the use thereof in the treatment of osteoporosis, atherosclerosis, inflammation and immune disorders, such as rheumatoid arthritis, and chronic pain, such as neuropathic pain.
    Type: Application
    Filed: June 9, 2005
    Publication date: April 17, 2008
    Applicants: N.V. Organon
    Inventors: Jiaqiang Cai, Zoran Rankovic, Jennifer Moir
  • Patent number: 7326715
    Abstract: Disclosed herein are 4-phenyl-6-substituted-pyrimidine-2-carbonitrile derivatives having Formula I, wherein each of the substituents is given the definition as set forth in the specification and claims; or a pharmaceutically acceptable salt thereof. Also disclosed are pharmaceutical compositions comprising these 4-phenyl-6-substituted-pyrimidine-2-carbonitrile derivatives and use of these 4-phenyl-6-substituted-pyrimidine-2-carbonitrile derivatives for the treatment of cathepsin K and cathepsin S related disorders, e.g. osteoporosis, atherosclerosis, inflammation and immune disorders such as rheumatoid arthritis and chronic pain.
    Type: Grant
    Filed: September 21, 2006
    Date of Patent: February 5, 2008
    Assignee: N.V. Organon
    Inventors: Zoran Rankovic, Jiaqiang Cai
  • Publication number: 20070179138
    Abstract: The present invention relates to 6-phenyl-1H-imidazo[4,5-c]pyridine-4-carbonitrile derivatives having the general Formula I wherein each of the substituents is given the definition as set forth in the specification and claims, pharmaceutical compositions comprising the same as well as to the use of these derivatives for the preparation of a medicament for the treatment of cathepsin S and/or cathepsin K related diseases such as osteoporosis, atherosclerosis, inflammation and immune disorders, such as rheumatoid arthritis, and chronic pain, such as neuropathic pain.
    Type: Application
    Filed: January 16, 2007
    Publication date: August 2, 2007
    Applicant: N.V. Organon
    Inventors: Jiaqiang Cai, Zoran Rankovic, Philip Jones, David Bennett, Iain Cumming, Jonathan Gillespie
  • Publication number: 20070111992
    Abstract: Disclosed herein are 4-phenyl-6-substituted-pyrimidine-2-carbonitrile derivatives having Formula I, wherein each of the substituents is given the definition as set forth in the specification and claims; or a pharmaceutically acceptable salt thereof. Also disclosed are pharmaceutical compositions comprising these 4-phenyl-6-substituted-pyrimidine-2-carbonitrile derivatives and use of these 4-phenyl-6-substituted-pyrimidine-2-carbonitrile derivatives for the treatment of cathepsin K and cathepsin S related disorders, e.g. osteoporosis, atherosclerosis, inflammation and immune disorders such as rheumatoid arthritis and chronic pain.
    Type: Application
    Filed: September 21, 2006
    Publication date: May 17, 2007
    Applicant: N.V. Organon
    Inventors: Zoran Rankovic, Jiaqiang Cai