Patents by Inventor Chun-Sing Li

Chun-Sing Li 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: 20160229804
    Abstract: The present invention is directed to benzyl urea compounds of formula (I) which are tropomyosin-related kinase (Trk) family protein kinase inhibitors, and hence may be useful in the treatment of pain, inflammation, cancer, restenosis, atherosclerosis, psoriasis, thrombosis, a disease, disorder, injury, or malfunction relating to dysmyelination or demyelination or a disease or disorder associated with abnormal activities of nerve growth factor (NGF) receptor Trk-A, Trk-B and/or Trk-C.
    Type: Application
    Filed: September 17, 2014
    Publication date: August 11, 2016
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Andrew J. Cooke, Craig A. Stump, Xu-Fang Zhang, Chun Sing Li, Qinghua Mao
  • Publication number: 20160145255
    Abstract: Compounds of Formula I: are HIV reverse transcriptase inhibitors, wherein R1, R2, RE, L, M and Z are defined herein. The compounds of Formula I and their pharmaceutically acceptable salts are useful in the inhibition of HIV reverse transcriptase, the prophylaxis and treatment of infection by HIV and in the prophylaxis, delay in the onset or progression, and treatment of AIDS. The compounds and their salts can be employed as ingredients in pharmaceutical compositions, optionally in combination with other antivirals, immunomodulators, antibiotics or vaccines.
    Type: Application
    Filed: February 1, 2016
    Publication date: May 26, 2016
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Kenneth L. Arrington, Christopher Burgey, Robert Gilfillan, Yongxin Han, Mehul Patel, Chun Sing Li, Yaozong Li, Yunfu Luo, Zhiyu Lei
  • Patent number: 9168248
    Abstract: Heteroaromatic compounds of structural formula (I) are selective inhibitors of stearoyl-coenzyme A delta-9 desaturase (SCD1) relative to other known stearoyl-coenzyme A desaturases. The compounds of the present invention are useful for the prevention and treatment of conditions related to abnormal lipid synthesis and metabolism, including cardiovascular disease, such as atherosclerosis; obesity; diabetes; neurological disease; metabolic syndrome; insulin resistance; and liver steatosis.
    Type: Grant
    Filed: February 16, 2010
    Date of Patent: October 27, 2015
    Assignee: Merck Canada Inc.
    Inventors: Nicolas Lachance, Jean-Philippe Leclerc, Chun Sing Li, Oscar Miguel Moradei
  • Publication number: 20140256743
    Abstract: This invention relates to a novel class of compounds which are cysteine protease inhibitors, including but not limited to, inhibitors of cathepsins K, L, S and B. These compounds are useful for treating diseases in which inhibition of bone resorption is indicated, such as osteoporosis.
    Type: Application
    Filed: May 20, 2014
    Publication date: September 11, 2014
    Applicants: Merck Frosst Canada Ltd., Axys Pharmaceuticals, Inc.
    Inventors: Christopher I. Bayly, Cameron Black, Serge Leger, Chun Sing Li, Dan McKay, Christophe Mellon, Jacques Yves Gauthier, Vouy-Linh Truong, Cheuk Lau, Michel Therien, Michael J. Green, Bernard L. Hirschbein, James William Janc, James T. Palmer, Chitra I. Baskaran
  • Patent number: 8772336
    Abstract: This invention relates to a novel class of compounds which are cysteine protease inhibitors, including but not limited to, inhibitors of cathepsins K, L, S and B. These compounds are useful for treating diseases in which inhibition of bone resorption is indicated, such as osteoporosis.
    Type: Grant
    Filed: October 11, 2012
    Date of Patent: July 8, 2014
    Assignees: Merck Frosst Canada Ltd., Axys Pharmaceuticals, Inc.
    Inventors: Christopher I. Bayly, Cameron Black, Serge Leger, Chun Sing Li, Dan McKay, Christophe Mellon, Jacques Yves Gauthier, Vouy-Linh Truong, Cheuk Lau, Michel Therien, Michael J. Green, Bernard L. Hirschbein, James William Janc, James T. Palmer, Chitra I. Baskaran
  • Publication number: 20140100231
    Abstract: Compounds of Formula I: are HIV reverse transcriptase inhibitors, wherein R1, R2, RE, L, M and Z are defined herein. The compounds of Formula I and their pharmaceutically acceptable salts are useful in the inhibition of HIV reverse transcriptase, the prophylaxis and treatment of infection by HIV and in the prophylaxis, delay in the onset or progression, and treatment of AIDS. The compounds and their salts can be employed as ingredients in pharmaceutical compositions, optionally in combination with other antivirals, immunomodulators, antibiotics or vaccines.
    Type: Application
    Filed: October 7, 2013
    Publication date: April 10, 2014
    Inventors: Kenneth L. Arrington, Christopher Burgey, Robert Gilfillan, Yongxin Han, Mehul Patel, Chun Sing Li, Yaozong Li, Yunfu Luo, Zhiyu Lei
  • Publication number: 20130296382
    Abstract: Heteroaromatic compounds of Formula I: are HIV reverse transcriptase inhibitors, wherein R1, R2, R3, R4 and R5 are defined herein. The compounds of Formula I and their pharmaceutically acceptable salts are useful in the inhibition of HIV reverse transcriptase, the prophylaxis and treatment of infection by HIV and in the prophylaxis, delay in the onset or progression, and treatment of AIDS. The compounds and their salts can be employed as ingredients in pharmaceutical compositions, optionally in combination with other antivirals, immunomodulators, antibiotics or vaccines.
    Type: Application
    Filed: July 3, 2013
    Publication date: November 7, 2013
    Inventors: Jason Burch, Bernard Cote, Natalie Nguyen, Chun Sing Li, Miguel St-Onge, Danny Gauvreau
  • Patent number: 8383643
    Abstract: Heteroaromatic compounds of structural formula (I) are selective inhibitors of stearoyl-coenzyme A delta-9 desaturase (SCD1) relative to other known stearoyl-coenzyme A desaturases. The compounds of the present invention are useful for the prevention and treatment of conditions related to abnormal lipid synthesis and metabolism, including cardiovascular disease, such as atherosclerosis; obesity; diabetes; neurological disease; metabolic syndrome; insulin resistance; and liver steatosis.
    Type: Grant
    Filed: July 21, 2010
    Date of Patent: February 26, 2013
    Assignee: Merck Canada Inc.
    Inventors: Jean-Philippe Leclerc, Chun-Sing Li, Oscar Miguel Moradei
  • Patent number: 8318748
    Abstract: This invention relates to a novel class of compounds which are cysteine protease inhibitors, including but not limited to, inhibitors of cathepsins K, L, S and B. These compounds are useful for treating diseases in which inhibition of bone resorption is indicated, such as osteoporosis.
    Type: Grant
    Filed: May 25, 2011
    Date of Patent: November 27, 2012
    Assignees: Merck, Sharp & Dohme Corp., Axys Pharmaceuticals, Inc.
    Inventors: Christopher I. Bayly, Cameron Black, Serge Leger, Chun Sing Li, Dan McKay, Christophe Mellon, Jacques Yves Gauthier, Vouy-Linh Truong, Cheuk Lau, Michel Therien, Michael J. Green, Bernard L. Hirschbein, James William Janc, James T. Palmer, Chitra Baskaran
  • Publication number: 20120122912
    Abstract: Heteroaromatic compounds of structural formula (I) are selective inhibitors of stearoyl-coenzyme A delta-9 desaturase (SCD1) relative to other known stearoyl-coenzyme A desaturases. The compounds of the present invention are useful for the prevention and treatment of conditions related to abnormal lipid synthesis and metabolism, including cardiovascular disease, such as atherosclerosis; obesity; diabetes; neurological disease; metabolic syndrome; insulin resistance; and liver steatosis.
    Type: Application
    Filed: July 21, 2010
    Publication date: May 17, 2012
    Inventors: Jean-Philippe Leclerc, Chun-Sing Li, Oscar Miguel Moradei
  • Publication number: 20110312952
    Abstract: Heteroaromatic compounds of structural formula (I) are selective inhibitors of stearoyl-coenzyme A delta-9 desaturase (SCD1) relative to other known stearoyl-coenzyme A desaturases. The compounds of the present invention are useful for the prevention and treatment of conditions related to abnormal lipid synthesis and metabolism, including cardiovascular disease, such as atherosclerosis; obesity; diabetes; neurological disease; metabolic syndrome; insulin resistance; and liver steatosis.
    Type: Application
    Filed: February 16, 2010
    Publication date: December 22, 2011
    Inventors: Nicolas Lachance, Jean-Philippe Leclerc, Chun Sing Li, Oscar Miguel Moradei
  • Patent number: 8063224
    Abstract: Azacycloalkane derivatives of structural formula I are selective inhibitors of stearoyl-coenzyme A delta-9 desaturase (SCD1) relative to other known stearoyl-coenzyme A desaturases. The compounds of the present invention are useful for the prevention and treatment of conditions related to abnormal lipid synthesis and metabolism, including cardiovascular disease, such as atherosclerosis; obesity; diabetes; neurological disease; metabolic syndrome; insulin resistance; and liver steatosis.
    Type: Grant
    Filed: November 30, 2007
    Date of Patent: November 22, 2011
    Assignee: Merck Canada Inc.
    Inventors: Nicolas Lachance, Chun Sing Li, Jean-Philippe Leclerc, Yeeman K. Ramtohul
  • Publication number: 20110245296
    Abstract: Heteroaromatic compounds of Formula I: are HIV reverse transcriptase inhibitors, wherein R1, R2, R3, R4 and R5 are defined herein. The compounds of Formula I and their pharmaceutically acceptable salts are useful in the inhibition of HIV reverse transcriptase, the prophylaxis and treatment of infection by HIV and in the prophylaxis, delay in the onset or progression, and treatment of AIDS. The compounds and their salts can be employed as ingredients in pharmaceutical compositions, optionally in combination with other antivirals, immunomodulators, antibiotics or vaccines.
    Type: Application
    Filed: March 28, 2011
    Publication date: October 6, 2011
    Inventors: Jason Burch, Bernard Cote, Natalie Nguyen, Chun Sing Li, Miguel St-Onge, Danny Gauvreau
  • Publication number: 20110230446
    Abstract: This invention relates to a novel class of compounds which are cysteine protease inhibitors, including but not limited to, inhibitors of cathepsins K, L, S and B. These compounds are useful for treating diseases in which inhibition of bone resorption is indicated, such as osteoporosis.
    Type: Application
    Filed: May 25, 2011
    Publication date: September 22, 2011
    Applicants: Axys Pharmaceuticals, Inc., Merck Canada Inc.
    Inventors: Christopher I. Bayly, Cameron Black, Serge Leger, Chun Sing Li, Dan McKay, Chirstophe Mellon, Jacques Yves Gauthier, Vouy-Linh Truong, Cheuk Lau, Michel Therien, Michael J. Green, Bernard L. Hirschbein, James William Janc, James T. Palmer, Chitra Baskaran
  • Publication number: 20110166152
    Abstract: Heteroaromatic compounds of structural formula (I) are inhibitors of stearoyl-coenzyme A delta-9 desaturase (SCD). The compounds of the present invention are useful for the prevention and treatment of conditions related to abnormal lipid synthesis and metabolism, including cardiovascular disease, such as atherosclerosis; obesity; Type 2 diabetes; insulin resistance; hyperglycemia; Metabolic Syndrome; neurological disease; cancer; and liver steatosis.
    Type: Application
    Filed: September 30, 2009
    Publication date: July 7, 2011
    Inventors: Jean-Philippe Leclerc, Chun Sing Li, Yeeman K. Ramtohul
  • Patent number: 7973037
    Abstract: This invention relates to a novel class of compounds which are cysteine protease inhibitors, including but not limited to, inhibitors of cathepsins K, L, S and B. These compounds are useful for treating diseases in which inhibition of bone resorption is indicated, such as osteoporosis.
    Type: Grant
    Filed: April 8, 2008
    Date of Patent: July 5, 2011
    Assignees: Axys Pharmaceuticals, Inc., Merck Canada Inc.
    Inventors: Christopher I. Bayly, Cameron Black, Serge Leger, Chun Sing Li, Dan McKay, Christophe Mellon, Jacques Yves Gauthier, Vouy-Linh Truong, Cheuk Lau, Michel Therien, Michael J. Green, Bernard L. Hirschbein, James William Janc, James T. Palmer, Chitra Baskaran
  • Publication number: 20110152295
    Abstract: Heteroaromatic compounds of structural formula I are selective inhibitors of stearoyl-coenzyme A delta-9 desaturase (SCD1) relative to other known stearoyl-coenzyme A desaturases. The compounds of the present invention are useful for the prevention and treatment of conditions related to abnormal lipid synthesis and metabolism, including cardiovascular disease, such as atherosclerosis; obesity; diabetes; neurological disease; metabolic syndrome; insulin resistance; and liver steatosis.
    Type: Application
    Filed: September 2, 2009
    Publication date: June 23, 2011
    Inventors: Jean-Philippe Leclerc, Chun Sing Li, Yeeman K. Ramtohul
  • Publication number: 20100249192
    Abstract: Heteroaromatic compounds of structural formula I are inhibitors of stearoyl-coenzyme A delta-9 desaturase (SCD). The compounds of the present invention are useful for the prevention and treatment of conditions related to abnormal lipid synthesis and metabolism, including cardiovascular disease; atherosclerosis; obesity; diabetes; neurological disease; Metabolic Syndrome; insulin resistance; cancer; liver steatosis; and non-alcoholic steatohepatitis.
    Type: Application
    Filed: December 9, 2008
    Publication date: September 30, 2010
    Inventors: Chun Sing Li, Yeeman K. Ramtohul, Jean-Philippe Leclerc
  • Patent number: 7799787
    Abstract: Heteroaromatic compounds of structural formula (I) are selective inhibitors of stearoyl-coenzyme A delta-9 desaturase (SCD1) relative to other known stearoyl-coenzyme A desaturases. The compounds of the present invention are useful for the prevention and treatment of conditions related to abnormal lipid synthesis and metabolism, including cardiovascular disease, such as atherosclerosis; lipid disorders; obesity; diabetes; neurological disease; metabolic syndrome; insulin resistance; fatty liver disease and cancer.
    Type: Grant
    Filed: December 18, 2006
    Date of Patent: September 21, 2010
    Assignee: Merck Frosst Canada Ltd.
    Inventors: Denis Deschenes, Rejean Fortin, Chun Sing Li, Renata M. Oballa, Yeeman K. Ramtohul
  • Publication number: 20100197692
    Abstract: Bicyclic heteroaromatic compounds of structural formula I are inhibitors of stearoyl-coenzyme A delta-9 desaturase (SCD). The compounds of the present invention are useful for the prevention and treatment of conditions related to abnormal lipid synthesis and metabolism, including cardiovascular disease; atherosclerosis; obesity; diabetes; neurological disease; metabolic syndrome; insulin resistance; liver steatosis; and non-alcoholic steatohepatitis.
    Type: Application
    Filed: July 18, 2008
    Publication date: August 5, 2010
    Inventors: Yeeman K. Ramtohul, Chun Sing Li, Jean-Philippe Leclerc