Patents by Inventor Kap-Sun Yeung

Kap-Sun Yeung 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: 20160024103
    Abstract: The disclosure provides compounds of formula I or II, including their salts, as well as compositions and methods of using the compounds. The compounds have activity against hepatitis C virus (HCV) and may be useful in treating those infected with HCV.
    Type: Application
    Filed: March 12, 2014
    Publication date: January 28, 2016
    Inventors: KAP-SUN YEUNG, KYLE J. EASTMAN, KYLE E. PARCELLA
  • Publication number: 20150315218
    Abstract: This invention provides for prodrug Compounds I, pharmaceutical compositions thereof, and their use in treating HIV infection: wherein: X is C or N with the proviso that when X is N, R1 does not exist; W is C or N with the proviso that when W is N, R2 does not exist; V is C; E is hydrogen or a pharmaceutically acceptable salt thereof; and Y is selected from the group consisting of wherein: L and M are independently selected from the group consisting of C1-C6 alkyl, phenyl, benzyl, trialkylsilyl, -2,2,2-trichloroethoxy and 2-trimethylsilylethoxy.
    Type: Application
    Filed: July 15, 2015
    Publication date: November 5, 2015
    Inventors: Yasutsugu Ueda, Timothy P. Connolly, John F. Kadow, Nicholas A. Meanwell, Tao Wang, Chung-Pin H. Chen, Kap-Sun Yeung, Zhongxing Zhang, David Kenneth Leahy, Shawn K. Pack, Nachimuthu Soundararajan, Pierre Sirard, Kathia Levesque, Dominique Thoraval
  • Publication number: 20150291549
    Abstract: The present disclosure generally relates to compounds useful as immunomodulators. Provided herein are compounds, compositions comprising such compounds, and methods of their use. The disclosure further pertains to pharmaceutical compositions comprising at least one compound according to the disclosure that are useful for the treatment of various diseases, including cancer and infectious diseases.
    Type: Application
    Filed: April 8, 2015
    Publication date: October 15, 2015
    Inventors: Louis S. Chupak, Min Ding, Scott W. Martin, Xiaofan Zheng, Piyasena Hewawasam, Timothy P. Connolly, Ningning Xu, Kap-Sun Yeung, Juliang Zhu, David R. Langley, Daniel J. Tenney, Paul Michael Scola
  • Publication number: 20150232414
    Abstract: This invention provides for prodrug Compounds I, pharmaceutical compositions thereof, and their use in treating HIV infection. wherein: X is C or N with the proviso that when X is N, R1 does not exist; W is C or N with the proviso that when W is N, R2 does not exist; V is C; E is hydrogen or a pharmaceutically acceptable salt thereof; and Y is selected from the group consisting of Also, this invention provides for intermediate Compounds II useful in making prodrug Compounds I. wherein: L and M are independently selected from the group consisting of C1-C6 alkyl, phenyl, benzyl, trialkylsilyl, -2,2,2-trichloroethoxy and 2-trimethylsilylethoxy.
    Type: Application
    Filed: May 5, 2015
    Publication date: August 20, 2015
    Inventors: YASUTSUGU UEDA, Timothy P. Connolly, John F. Kadow, Nicholas A. Meanwell, Tao Wang, Chung-Pin H. Chen, Kap-Sun Yeung, Zhongxing Zhang, David Kenneth Leahy, Shawn K. Pack, Nachimuthu Soundararajan, Pierre Sirard, Kathia Levesque, Dominique Thoraval
  • Patent number: 9096580
    Abstract: The disclosure provides compounds of formula I, including their salts, as well as compositions and methods of using the compounds. The compounds have activity against hepatitis C virus (HCV) and may be useful in treating those infected with HCV.
    Type: Grant
    Filed: March 26, 2013
    Date of Patent: August 4, 2015
    Assignee: Bristol-Myers Squibb Company
    Inventor: Kap-Sun Yeung
  • Publication number: 20150141395
    Abstract: The disclosure provides compounds of formula I, including their salts, as well as compositions and methods of using the compounds. The compounds have activity against hepatitis C virus (HCV) and may be useful in treating those infected with HCV.
    Type: Application
    Filed: March 26, 2013
    Publication date: May 21, 2015
    Inventor: Kap-Sun Yeung
  • Publication number: 20150025240
    Abstract: This invention provides for prodrug Compounds I, pharmaceutical compositions thereof, and their use in treating HIV infection. wherein: X is C or N with the proviso that when X is N, R1 does not exist; W is C or N with the proviso that when W is N, R2 does not exist; V is C; E is hydrogen or a pharmaceutically acceptable salt thereof; and Y is selected from the group consisting of Also, this invention provides for intermediate Compounds II useful in making prodrug Compounds I. wherein: L and M are independently selected from the group consisting of C1-C6 alkyl, phenyl, benzyl, trialkylsilyl, -2,2,2-trichloroethoxy and 2-trimethylsilylethoxy.
    Type: Application
    Filed: April 10, 2014
    Publication date: January 22, 2015
    Inventors: Yasutsugu Ueda, Timothy P. Connolly, John F. Kadow, Nicholas A. Meanwell, Tao Wang, Chung-Pin H. Chen, Kap-Sun Yeung, Zhongxing Zhang, David Kenneth Leahy, Shawn K. Pack, Nachimuthu Soundararajan, Pierre Sirard, Kathia Levesque, Dominique Thoraval
  • Patent number: 8871771
    Abstract: This invention provides for prodrug Compounds I, pharmaceutical compositions thereof, and their use in treating HIV infection. wherein: X is C or N with the proviso that when X is N, R1 does not exist; W is C or N with the proviso that when W is N, R2 does not exist; V is C; E is hydrogen or a pharmaceutically acceptable salt thereof; and Y is selected from the group consisting of Also, this invention provides for intermediate Compounds II useful in making prodrug Compounds I. wherein: L and M are independently selected from the group consisting of C1-C6 alkyl, phenyl, benzyl, trialkylsilyl, -2,2,2-trichloroethoxy and 2-trimethylsilylethoxy.
    Type: Grant
    Filed: April 12, 2013
    Date of Patent: October 28, 2014
    Assignee: Bristol-Myers Squibb Company
    Inventors: Yasutsugu Ueda, Timothy P. Connolly, John F. Kadow, Nicholas A. Meanwell, Tao Wang, Chung-Pin H. Chen, Kap-Sun Yeung, Zhongxing Zhang, David Kenneth Leahy, Shawn K. Pack, Nachimuthu Soundararajan, Pierre Sirard, Kathia Levesque, Dominique Thoraval
  • Publication number: 20140294898
    Abstract: The present disclosure provides novel macrocyclic peptides which inhibit the PD-1/PD-L1 and PD-L1/CD80 protein/protein interaction, and thus are useful for the amelioration of various diseases, including cancer and infectious diseases.
    Type: Application
    Filed: March 10, 2014
    Publication date: October 2, 2014
    Inventors: Michael Matthew Miller, Claudio Mapelli, Martin Patrick Allen, Michael S. Bowsher, Kenneth M. Boy, Eric P. Gillis, David R. Langley, Eric Mull, Maude A. Poirier, Nishith Sanghvi, Li-Qiang Sun, Daniel J. Tenney, Kap-Sun Yeung, Juliang Zhu, Patrick C. Reid, Paul Michael Scola
  • Patent number: 8722688
    Abstract: The disclosure provides compounds of formula I, including their salts, as well as compositions and methods of using the compounds. The compounds have activity against hepatitis C virus (HCV) and may be useful in treating those infected with HCV.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: May 13, 2014
    Assignee: Bristol-Myers Squibb Company
    Inventors: Kap-Sun Yeung, Kyle E. Parcella, John A. Bender, Brett R. Beno, Katharine A. Grant-Young, Ying Han, Piyasena Hewawasam, John F. Kadow, Andrew Nickel
  • Publication number: 20130253196
    Abstract: This invention provides for prodrug Compounds I, pharmaceutical compositions thereof, and their use in treating HIV infection. wherein: X is C or N with the proviso that when X is N, R1 does not exist; W is C or N with the proviso that when W is N, R2 does not exist; V is C; E is hydrogen or a pharmaceutically acceptable salt thereof; and Y is selected from the group consisting of Also, this invention provides for intermediate Compounds II useful in making prodrug Compounds I. wherein: L and M are independently selected from the group consisting of C1-C6 alkyl, phenyl, benzyl, trialkylsilyl, -2,2,2-trichloroethoxy and 2-trimethylsilylethoxy.
    Type: Application
    Filed: April 12, 2013
    Publication date: September 26, 2013
    Inventors: Yasutsugu Ueda, Timothy P. Connolly, John F. Kadow, Nicholas A. Meanwell, Tao Wang, Chung-Pin H. Chen, Kap-Sun Yeung, Zhongxing Zhang, David Kenneth Leahy, Shawn K. Pack, Nachimuthu Soundararajan, Pierre Sirard, Kathia Levesque, Dominique Thoraval
  • Patent number: 8536338
    Abstract: The disclosure provides compounds of formula I, II, III, IV, and V, including their salts, as well as compositions and methods of using the compounds. The compounds have activity against hepatitis C virus (HCV) and may be useful in treating those infected with HCV.
    Type: Grant
    Filed: May 14, 2012
    Date of Patent: September 17, 2013
    Assignee: Bristol-Myers Squibb Company
    Inventors: Richard Pracitto, John F. Kadow, John A. Bender, Brett R. Beno, Katharine A. Grant-Young, Ying Han, Piyasena Hewawasam, Andrew Nickel, Kyle E. Parcella, Kap-Sun Yeung, Louis S. Chupak
  • Patent number: 8507683
    Abstract: The disclosure provides compounds of formula I, including their salts, as well as compositions and methods of using the compounds. The compounds have activity against hepatitis C virus (HCV) and may be useful in treating those infected with HCV.
    Type: Grant
    Filed: December 5, 2011
    Date of Patent: August 13, 2013
    Assignee: Bristol-Myers Squibb Company
    Inventors: Kap-Sun Yeung, John F. Kadow, Rajesh Onkardas Bora, Kumaravel Selvakumar
  • Patent number: 8501992
    Abstract: The present invention provides compound of Formula (I): or a stereoisomer, tautomer, salt or solvate thereof, wherein the variables are defined herein. The compounds of formula (I) are inhibitors of Bcl-2 family antiapoptotic proteins, compositions containing the compounds and methods of treating diseases using the compounds.
    Type: Grant
    Filed: June 8, 2009
    Date of Patent: August 6, 2013
    Assignee: Bristol-Myers Squibb Company
    Inventors: Kyoung S. Kim, Robert M. Borzilleri, Zhen-Wei Cai, Kap-Sun Yeung
  • Patent number: 8461333
    Abstract: This invention provides for prodrug Compounds I, pharmaceutical compositions thereof, and their use in treating HIV infection. wherein: X is C or N with the proviso that when X is N, R1 does not exist; W is C or N with the proviso that when W is N, R2 does not exist; V is C; E is hydrogen or a pharmaceutically acceptable salt thereof; and Y is selected from the group consisting of Also, this invention provides for intermediate Compounds II useful in making prodrug Compounds I. wherein: L and M are independently selected from the group consisting of C1-C6 alkyl, phenyl, benzyl, trialkylsilyl, -2,2,2-trichloroethoxy and 2-trimethylsilylethoxy.
    Type: Grant
    Filed: March 26, 2012
    Date of Patent: June 11, 2013
    Assignee: Bristol-Myers Squibb Company
    Inventors: Yasutsugu Ueda, Timothy P. Connolly, John F. Kadow, Nicholas A. Meanwell, Tao Wang, Chung-Pin H. Chen, Kap-Sun Yeung, Zhongxing Zhang, David Kenneth Leahy, Shawn K. Pack, Nachimuthu Soundararajan, Pierre Sirard, Kathia Levesque, Dominique Thoraval
  • Patent number: 8445497
    Abstract: The disclosure provides compounds of formula I, including their salts, as well as compositions and methods of using the compounds. The compounds have activity against hepatitis C virus (HCV) and may be useful in treating those infected with HCV.
    Type: Grant
    Filed: June 23, 2011
    Date of Patent: May 21, 2013
    Assignee: Bristol-Myers Squibb Company
    Inventors: Kap-Sun Yeung, Brett R. Beno, John F. Kadow
  • Patent number: 8354410
    Abstract: The disclosure provides compounds of formula I, including their salts, as well as compositions and methods of using the compounds. The compounds have activity against hepatitis C virus (HCV) and may be useful in treating those infected with HCV.
    Type: Grant
    Filed: March 9, 2011
    Date of Patent: January 15, 2013
    Assignee: Bristol-Meyers Squibb Company
    Inventors: Kap-Sun Yeung, Katharine A. Grant-Young, John F. Kadow
  • Publication number: 20120316126
    Abstract: The disclosure provides compounds of formula I, including their salts, as well as compositions and methods of using the compounds. The compounds have activity against hepatitis C virus (HCV) and may be useful in treating those infected with HCV.
    Type: Application
    Filed: August 17, 2012
    Publication date: December 13, 2012
    Inventors: Kap-Sun Yeung, Kyle E. Parcella, John A. Bender, Brett R. Beno, Katharine A. Grant-Young, Ying Han, Piyasena Hewawasam, John F. Kadow, Andrew Nickel
  • Publication number: 20120309770
    Abstract: The disclosure provides compounds of formula I, including their salts, as well as compositions and methods of using the compounds. The compounds have activity against hepatitis C virus (HCV) and may be useful in treating those infected with HCV.
    Type: Application
    Filed: December 5, 2011
    Publication date: December 6, 2012
    Inventors: Kap-Sun Yeung, John F. Kadow, Rajesh Onkardas Bora, Kumaravel Selvakumar
  • Patent number: 8309558
    Abstract: The disclosure provides compounds of formula I, including their salts, as well as compositions and methods of using the compounds. The compounds have activity against hepatitis C virus (HCV) and may be useful in treating those infected with HCV.
    Type: Grant
    Filed: February 13, 2012
    Date of Patent: November 13, 2012
    Assignee: Bristol-Myers Squibb Company
    Inventors: Kap-Sun Yeung, Kyle E. Parcella, John A. Bender, Brett R. Beno, Katharine A. Grant-Young, Ying Han, Piyasena Hewawasam, John F. Kadow, Andrew Nickel