Patents by Inventor Ny Sin

Ny Sin 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: 20150291655
    Abstract: Compounds having drug and bio-affecting properties, their pharmaceutical compositions and methods of use are set forth. In particular, triterpenoids that possess unique antiviral activity are provided as HIV maturation inhibitors, as represented by compounds of Formula I: with X selected from C4-8 cycloalkyl, C4-8 cycloalkenyl, C4-9 spirocycloalkyl, C4-9 spirocycloalkenyl, C4-8 oxacycloalkyl, C4-8 dioxacycloalkyl, C6-8 oxacycloalkenyl, C6-8 dioxacycloalkenyl, C6 cyclodialkenyl, C6 oxacyclodialkenyl, C6-9 oxaspirocycloalkyl and C6-9 oxaspirocycloalkenyl ring, such that X is substituted with A, wherein A is —C1-6 alkyl-halo. These compounds are useful for the treatment of HIV and AIDS.
    Type: Application
    Filed: April 9, 2015
    Publication date: October 15, 2015
    Inventors: Sing-Yuen Sit, Yan Chen, Jie Chen, Jacob Swidorski, Brian Lee Venables, Ny Sin, Nicholas A. Meanwell, Alicia Regueiro-Ren, Richard A. Hartz, Li Xu, Zheng Liu
  • Publication number: 20150005342
    Abstract: Hepatitis C virus inhibitors are disclosed having the general formula: wherein R1, R2, R3, R?, B, Y and X are described in the description. Compositions comprising the compounds and methods for using the compounds to inhibit HCV are also disclosed.
    Type: Application
    Filed: September 4, 2014
    Publication date: January 1, 2015
    Inventors: Alan Xiangdong Wang, Li-Qiang Sun, Sing-Yuen Sit, Ny Sin, Paul Michael Scola, Yan Chen
  • Publication number: 20140343000
    Abstract: Compounds having drug and bio-affecting properties, their pharmaceutical compositions and methods of use are set forth. In particular, C-17 and C-3 modified triterpenoids that possess unique antiviral activity are provided as HIV maturation inhibitors, as represented by compounds of Formulas I, II and III: These compounds are useful for the treatment of HIV and AIDS.
    Type: Application
    Filed: July 24, 2014
    Publication date: November 20, 2014
    Inventors: Alicia Regueiro-Ren, Zheng Liu, Jacob Swidorski, Ny Sin, Brian Lee Venables, Sing-Yuen Sit, Yan Chen, Jie Chen, Nicholas A. Meanwell
  • Patent number: 8889854
    Abstract: Compounds having drug and bio-affecting properties, their pharmaceutical compositions and methods of use are set forth. In particular, C-17 bicyclic amines of triterpenoids that possess unique antiviral activity are provided as HIV maturation inhibitors, as represented by compounds of Formulas I, II and III: These compounds are useful for the treatment of HIV and AIDS.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: November 18, 2014
    Assignee: Bristol-Myers Squibb Company
    Inventors: Ny Sin, Zheng Liu, Jacob Swidorski, Sing-Yuen Sit, Jie Chen, Yan Chen, Nicholas A. Meanwell, Alicia Regueiro-Ren
  • Patent number: 8889871
    Abstract: Hepatitis C virus inhibitors are disclosed having the general formula: wherein R1, R2, R3, R?, B, Y and X are described in the description. Compositions comprising the compounds and methods for using the compounds to inhibit HCV are also disclosed.
    Type: Grant
    Filed: February 18, 2014
    Date of Patent: November 18, 2014
    Assignee: Bristol-Myers Squibb Company
    Inventors: Alan Xiangdong Wang, Li-Qiang Sun, Sing-Yuen Sit, Ny Sin, Paul Michael Scola, Yan Chen
  • Patent number: 8846647
    Abstract: Compounds having drug and bio-affecting properties, their pharmaceutical compositions and methods of use are set forth. In particular, C-17 and C-3 modified triterpenoids that possess unique antiviral activity are provided as HIV maturation inhibitors, as represented by compounds of Formulas I, II and III: These compounds are useful for the treatment of HIV and AIDS.
    Type: Grant
    Filed: January 27, 2012
    Date of Patent: September 30, 2014
    Assignee: Bristol-Myers Squibb Company
    Inventors: Alicia Regueiro-Ren, Zheng Liu, Jacob Swidorski, Ny Sin, Brian Lee Venables, Sing-Yuen Sit, Yan Chen, Jie Chen, Nicholas A. Meanwell
  • Patent number: 8802661
    Abstract: Compounds having drug and bio-affecting properties, their pharmaceutical compositions and methods of use are set forth. In particular, modified C-3 and C-28 betulinic acid derivatives that possess unique antiviral activity are provided as HIV maturation inhibitors. These compounds are useful for the treatment of HIV and AIDS.
    Type: Grant
    Filed: June 2, 2011
    Date of Patent: August 12, 2014
    Assignee: Bristol-Myers Squibb Company
    Inventors: Alicia Regueiro-Ren, Zheng Liu, Jacob Swidorski, Nicholas A. Meanwell, Sing-Yuen Sit, Jie Chen, Yan Chen, Ny Sin
  • Publication number: 20140221361
    Abstract: Compounds having drug and bio-affecting properties, their pharmaceutical compositions and methods of use are set forth. In particular, C-19 modified triterpenoids that possess unique antiviral activity are provided as HIV maturation inhibitors, as represented by compounds of Formulas I and II: These compounds are useful for the treatment of HIV and AIDS.
    Type: Application
    Filed: February 4, 2014
    Publication date: August 7, 2014
    Inventors: Jacob Swidorski, Brian Lee Venables, Zheng Liu, Ny Sin, Nicholas A. Meanwell, Alicia Regueiro-Ren
  • Patent number: 8754068
    Abstract: Compounds having drug and bio-affecting properties, their pharmaceutical compositions and methods of use are set forth. In particular, modified C-3 betulinic acid and other structurally related natural products derivatives that possess unique antiviral activity are provided as HIV maturation inhibitors. These compounds are useful for the treatment of HIV and AIDS.
    Type: Grant
    Filed: June 2, 2011
    Date of Patent: June 17, 2014
    Assignee: Bristol-Myers Squibb Company
    Inventors: Alicia Regueiro-Ren, Jacob Swidorski, Zheng Liu, Nicholas A. Meanwell, Sing-Yuen Sit, Jie Chen, Ny Sin
  • Publication number: 20140163231
    Abstract: Hepatitis C virus inhibitors are disclosed having the general formula: wherein R1, R2, R3, R?, B, Y and X are described in the description. Compositions comprising the compounds and methods for using the compounds to inhibit HCV are also disclosed.
    Type: Application
    Filed: February 18, 2014
    Publication date: June 12, 2014
    Inventors: Alan Xiangdong Wang, Li-Qiang Sun, Sing-Yuen Sit, Ny Sin, Paul Michael Scola, Yan Chen
  • Patent number: 8710229
    Abstract: Hepatitis C virus inhibitors are disclosed having the general formula: wherein R1, R2, R3, R?, B, Y and X are described in the description. Compositions comprising the compounds and methods for using the compounds to inhibit HCV are also disclosed.
    Type: Grant
    Filed: May 24, 2013
    Date of Patent: April 29, 2014
    Assignee: Bristol-Myers Squibb Company
    Inventors: Alan Xiangdong Wang, Li-Qiang Sun, Sing-Yuen Sit, Ny Sin, Paul Michael Scola, Yan Chen
  • Publication number: 20130296554
    Abstract: Compounds having drug and bio-affecting properties, their pharmaceutical compositions and methods of use are set forth. In particular, C-17 bicyclic amines of triterpenoids that possess unique antiviral activity are provided as HIV maturation inhibitors, as represented by compounds of Formulas I, II and III: These compounds are useful for the treatment of HIV and AIDS.
    Type: Application
    Filed: March 13, 2013
    Publication date: November 7, 2013
    Inventors: Ny Sin, Zheng Liu, Jacob Swidorski, Sing-Yuen Sit, Jie Chen, Yan Chen, Nicholas A. Meanwell, Alicia Regueiro-Ren
  • Publication number: 20130267713
    Abstract: Hepatitis C virus inhibitors are disclosed having the general formula: wherein R1, R2, R3, R?, B, Y and X are described in the description. Compositions comprising the compounds and methods for using the compounds to inhibit HCV are also disclosed.
    Type: Application
    Filed: May 24, 2013
    Publication date: October 10, 2013
    Inventors: ALAN XIANGDONG WANG, LI-QIANG SUN, SING-YUEN SIT, NY SIN, PAUL MICHAEL SCOLA, YAN CHEN
  • Publication number: 20130035318
    Abstract: Compounds having drug and bio-affecting properties, their pharmaceutical compositions and methods of use are set forth. In particular, C-17 and C-3 modified triterpenoids that possess unique antiviral activity are provided as HIV maturation inhibitors, as represented by compounds of Formulas I, II and III: These compounds are useful for the treatment of HIV and AIDS.
    Type: Application
    Filed: January 27, 2012
    Publication date: February 7, 2013
    Inventors: ALICIA REGUEIRO-REN, Zheng Liu, Jacob Swidorski, Ny Sin, Brian Lee Venables, Sing-Yuen Sit, Yan Chen, Jie Chen, Nicholas A. Meanwell
  • Publication number: 20120330019
    Abstract: Hepatitis C virus inhibitors are disclosed having the general formula: wherein R1, R2, R3, R?, B, Y and X are described in the description. Compositions comprising the compounds and methods for using the compounds to inhibit HCV are also disclosed.
    Type: Application
    Filed: August 29, 2012
    Publication date: December 27, 2012
    Inventors: Xiangdong Alan Wang, Li-Qiang Sun, Sing-Yuen Sit, Ny Sin, Paul Michael Scola, Piyasena Hewawasam, Andrew Charles Good, Yan Chen, Jeffrey Allen Campbell
  • Patent number: 8299094
    Abstract: Hepatitis C virus inhibitors are disclosed having the general formula: wherein R1, R2, R3, R?, B, Y and X are described in the description. Compositions comprising the compounds and methods for using the compounds to inhibit HCV are also disclosed.
    Type: Grant
    Filed: December 13, 2010
    Date of Patent: October 30, 2012
    Assignee: Bristol-Myers Squibb Company
    Inventors: Xiangdong Alan Wang, Li-Qiang Sun, Sing-Yuen Sit, Ny Sin, Paul Michael Scola, Yan Chen
  • Publication number: 20120142653
    Abstract: Compounds having drug and bio-affecting properties, their pharmaceutical compositions and methods of use are set forth. In particular, modified C-3 and C-28 betulinic acid derivatives that possess unique antiviral activity are provided as HIV maturation inhibitors. These compounds are useful for the treatment of HIV and AIDS.
    Type: Application
    Filed: June 2, 2011
    Publication date: June 7, 2012
    Inventors: Alicia Regueiro-Ren, Zheng Liu, Jacob Swidorski, Nicholas A. Meanwell, Sing-Yuen Sit, Jie Chen, Yan Chen, Ny Sin
  • Patent number: 8163921
    Abstract: Hepatitis C virus inhibitors having the general formula are disclosed. Compositions comprising the compounds and methods for using the compounds to inhibit HCV are also disclosed.
    Type: Grant
    Filed: April 6, 2009
    Date of Patent: April 24, 2012
    Assignee: Bristol-Myers Squibb Company
    Inventors: Ny Sin, Brian Lee Venables, Paul Michael Scola, Alan Xiangdong Wang
  • Publication number: 20110311482
    Abstract: Hepatitis C virus inhibitors are disclosed having the general formula: wherein R1, R2, R3, R?, B, Y and X are described in the description. Compositions comprising the compounds and methods for using the compounds to inhibit HCV are also disclosed.
    Type: Application
    Filed: December 13, 2010
    Publication date: December 22, 2011
    Inventors: Xiangdong Alan Wang, Li-Qiang Sun, Sing-Yuen Sit, Ny Sin, Paul Michael Scola, Yan Chen
  • Patent number: 7915291
    Abstract: Hepatitis C virus inhibitors are disclosed having the general formula: wherein R1, R2, R3, R?, B, Y and X are described in the description. Compositions comprising the compounds and methods for using the compounds to inhibit HCV are also disclosed.
    Type: Grant
    Filed: September 2, 2008
    Date of Patent: March 29, 2011
    Assignee: Bristol-Myers Squibb Company
    Inventors: Xiangdong Alan Wang, Li-Qiang Sun, Sing-Yuen Sit, Ny Sin, Paul Michael Scola, Yan Chen