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: 20080221090
    Abstract: The invention encompasses compounds of Formula I as well as compositions and methods of using the compounds. The compounds have activity against hepatitis C virus (HCV) and are useful in treating those infected with HCV.
    Type: Application
    Filed: March 3, 2008
    Publication date: September 11, 2008
    Inventors: Kap-Sun Yeung, John F. Kadow
  • Publication number: 20080188458
    Abstract: The invention encompasses compounds of formula I as well as compositions and methods of using the compounds. The compounds have activity against hepatitis C virus (HCV) and are useful in treating those infected with HCV.
    Type: Application
    Filed: January 30, 2008
    Publication date: August 7, 2008
    Inventors: Kap-Sun Yeung, John F. Kadow, Katharine A. Grant-Young
  • Publication number: 20080188481
    Abstract: This invention provides compounds having drug and bio-affecting properties, their pharmaceutical compositions and method of use. In particular, the invention is concerned with new piperidine 4-alkenyl derivatives that possess unique antiviral activity. More particularly, the present invention relates to compounds useful for the treatment of HIV and AIDS.
    Type: Application
    Filed: January 17, 2008
    Publication date: August 7, 2008
    Inventors: Tao Wang, John F. Kadow, Nicholas A. Meanwell, Kap-Sun Yeung, Zhongxing Zhang, Zhiwei Yin, Zhilei Qiu, Daniel H. Deon, Clint A. James, Edward H. Ruediger, Carol Bachand
  • Publication number: 20080132516
    Abstract: This invention provides compounds of Formula I, including pharmaceutically acceptable salts thereof, having drug and bio-affecting properties, their pharmaceutical compositions and method of use. These compounds possess unique antiviral activity, whether used alone or in combination with other antivirals, antiinfectives, immunomodulators or HIV entry inhibitors. More particularly, the present invention relates to the treatment of HIV and AIDS.
    Type: Application
    Filed: February 8, 2008
    Publication date: June 5, 2008
    Inventors: Kap-Sun Yeung, Michelle E. Farkas, John F. Kadow, Nicholas A. Meanwell, Malcolm Taylor, David Johnston, Thomas Stephen Coulter, J.J Kim Wright
  • Patent number: 7348337
    Abstract: This invention provides compounds having drug and bio-affecting properties, their pharmaceutical compositions and method of use. In particular, the invention is concerned with new piperidine 4-alkenyl derivatives that possess unique antiviral activity. More particularly, the present invention relates to compounds useful for the treatment of HIV and AIDS.
    Type: Grant
    Filed: January 21, 2004
    Date of Patent: March 25, 2008
    Assignee: Bristol-Myers Squibb Company
    Inventors: Tao Wang, John F. Kadow, Nicholas A. Meanwell, Kap-Sun Yeung, Zhongxing Zhang, Zhiwei Yin, Zhilei Qiu, Daniel H. Deon, Clint A. James, Edward H. Ruediger, Carol Bachand
  • Publication number: 20070287694
    Abstract: The invention encompasses compounds as well as compositions and methods of using the compounds. The compounds have activity against hepatitis C virus (HCV) and are useful in treating those infected with HCV.
    Type: Application
    Filed: May 31, 2007
    Publication date: December 13, 2007
    Inventors: Kap-Sun Yeung, Katharine A. Grant-Young, Min Ding, Robert G. Gentles, John F. Kadow
  • Publication number: 20070270406
    Abstract: The invention encompasses compounds of formula I as well as compositions and methods of using the compounds. The compounds have activity against hepatitis C virus (HCV) and are useful in treating those infected with HCV.
    Type: Application
    Filed: May 7, 2007
    Publication date: November 22, 2007
    Inventors: Robert G. Gentles, Piyasena Hewawasam, Min Ding, Carl P. Bergstrom, Scott W. Martin, Kap-Sun Yeung, Thomas W. Hudyma, Xiaofan Zheng, John A. Bender, John F. Kadow
  • Publication number: 20070078122
    Abstract: The invention encompasses compounds and salts of Formulas I, II, III, and IV as well as compositions and methods of using the compounds. The compounds have activity against hepatitis C virus (HCV) and are useful in treating those infected with HCV.
    Type: Application
    Filed: September 6, 2006
    Publication date: April 5, 2007
    Inventors: Carl Bergstrom, John Bender, Robert Gentles, Piyasena Hewawasam, Thomas Hudyma, John Kadow, Scott Martin, Alicia Regueiro-Ren, Kap-Sun Yeung, Yong Tu, Katharine Grant-Young, Xiaofan Zheng
  • Publication number: 20050261296
    Abstract: This invention provides compounds of Formula I, including pharmaceutically accceptable salts thereof, having drug and bio-affecting properties, their pharmaceutical compositions and method of use. These compounds possess unique antiviral activity, whether used alone or in combination with other antivirals, antiinfectives, immunomodulators or HIV entry inhibitors. More particularly, the present invention relates to the treatment of HIV and AIDS.
    Type: Application
    Filed: January 5, 2005
    Publication date: November 24, 2005
    Inventors: Kap-Sun Yeung, Michelle Farkas, John Kadow, Nicholas Meanwell, Malcolm Taylor, David Johnston, Thomas Coulter, J. Wright
  • Publication number: 20050209246
    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: February 25, 2005
    Publication date: September 22, 2005
    Inventors: Yasutsugu Ueda, Timothy Connolly, John Kadow, Nicholas Meanwell, Tao Wang, Chung-Pin Chen, Kap-Sun Yeung, Zhongxing Zhang, David Leahy, Shawn Pack, Nachimuthu Soundararajan, Pierre Sirard, Kathia Levesque, Dominique Thoraval
  • Publication number: 20050075364
    Abstract: This invention provides compounds of Formula I, including pharmaceutically accceptable salts thereof, having drug and bio-affecting properties, their pharmaceutical compositions and method of use. These compounds possess unique antiviral activity, whether used alone or in combination with other antivirals, antiinfectives, immunomodulators or HIV entry inhibitors. More particularly, the present invention relates to the treatment of HIV and AIDS.
    Type: Application
    Filed: June 18, 2004
    Publication date: April 7, 2005
    Inventors: Kap-Sun Yeung, Michelle Farkas, John Kadow, Nicholas Meanwell, Malcolm Taylor, David Johnston, Thomas Coulter, J. J. Wright
  • Patent number: 6825201
    Abstract: The invention comprises substituted indole, azaindole and related heterocyclic amidopiperazine derivatives of general Formula I wherein: Q is —may represent a bond; A is selected from the group consisting of C1-6alkoxy, C1-6alkyl, C3-7cycloalkyl, phenyl, and heteroaryl; wherein said heteroaryl may be monocyclic or bicyclic and may be comprised of three to eleven atoms selected from the group consisting of C, N, NR9, O, and S, and wherein each ring of said phenyl and heteroaryl is optionally substituted with one to five same or different substituents selected from the group consisting of R19-R23; T is U is NR7, O, or S; V is C(H)kR1, O or N(R7′)k; W is CR3 or NR10; X is CR4 or NR10; Y is CR5 or NR10; Z is CR6 or NR10; k is 0 or 1; and m, n, and p are each independently 0, 1, or 2 provided that the sum of m, n, and p must equal 1 or 2; compositions thereof and their use as antiviral agents, particularly for treating HIV infection.
    Type: Grant
    Filed: April 22, 2002
    Date of Patent: November 30, 2004
    Assignee: Bristol-Myers Squibb Company
    Inventors: Tao Wang, Owen B. Wallace, Nicholas A. Meanwell, Zhongxing Zhang, John A. Bender, John F. Kadow, Kap-Sun Yeung
  • Publication number: 20040186292
    Abstract: This invention provides compounds having drug and bio-affecting properties, their pharmaceutical compositions and method of use. In particular, the invention is concerned with new piperidine 4-alkenyl derivatives that possess unique antiviral activity. More particularly, the present invention relates to compounds useful for the treatment of HIV and AIDS.
    Type: Application
    Filed: January 21, 2004
    Publication date: September 23, 2004
    Inventors: Tao Wang, John F. Kadow, Nicholas A. Meanwell, Kap-Sun Yeung, Zhongxing Zhang, Zhiwei Yin, Zhilei Qiu, Daniel H. Deon, Clint A. James, Edward H. Ruediger, Carol Bachand
  • Publication number: 20040063744
    Abstract: This invention provides compounds having drug and bio-affecting properties, their pharmaceutical compositions and method of use. In particular, the invention is concerned with new piperidine 4-alkenyl derivatives that possess unique antiviral activity. More particularly, the present invention relates to compounds useful for the treatment of HIV and AIDS.
    Type: Application
    Filed: April 29, 2003
    Publication date: April 1, 2004
    Inventors: Tao Wang, John F. Kadow, Nicholas A. Meanwell, Kap-Sun Yeung, Zhongxing Zhang, Zhiwei Yin, Zhilei Qiu, Daniel H. Deon, Clint A. James, Edward H. Ruediger, Carol Bachand
  • Patent number: 6573262
    Abstract: The invention comprises substituted indoleoxoacetic piperazine derivatives of general Formula I, compositions thereof and their use as antiviral agents, and particularly for treating HIV infection.
    Type: Grant
    Filed: December 19, 2001
    Date of Patent: June 3, 2003
    Assignee: Bristol-Myers Sqibb Company
    Inventors: Owen B. Wallace, Tao Wang, Kap-Sun Yeung, Bradley C. Pearce, Nicholas A. Meanwell, Zhilei Qiu, Haiquan Fang, Qiufen May Xue, Zhiwei Yin
  • Publication number: 20030096825
    Abstract: This invention provides compounds having drug and bio-affecting properties, their pharmaceutical compositions and method of use. In particular, the invention is concerned with amido piperazine derivatives. These compounds possess unique antiviral activity, whether used alone or in combination with other antivirals, antiinfectives, immunomodulators or HIV entry inhibitors. More particularly, the present invention relates to the treatment of HIV and AIDS.
    Type: Application
    Filed: April 22, 2002
    Publication date: May 22, 2003
    Inventors: Tao Wang, Owen B. Wallace, Nicholas A. Meanwell, Zhongxing Zhang, John A. Bender, John F. Kadow, Kap-Sun Yeung
  • Publication number: 20030069245
    Abstract: This invention provides compounds having drug and bio-affecting properties, their pharmaceutical compositions and method of use. In particular, the invention is concerned with indoleoxoacetyl piperazine derivatives. These compounds possess unique antiviral activity, whether used alone or in combination with other antivirals, antiinfectives, immunomodulators or HIV entry inhibitors. More particularly, the present invention relates to the treatment of HIV and AIDS.
    Type: Application
    Filed: December 19, 2001
    Publication date: April 10, 2003
    Inventors: Owen B. Wallace, Tao Wang, Kap-Sun Yeung, Bradley C. Pearce, Nicholas A. Meanwell, Zhilei Qiu, Haiquan Fang, Qiufen May Xue, Zhiwei Yin
  • Patent number: 6469006
    Abstract: This invention provides compounds having drug and bio-affecting properties, their pharmaceutical compositions and method of use. In particular, the invention is concerned with indoleoxoacetyl piperazine derivatives. These compounds possess unique antiviral activity, whether used alone or in combination with other antivirals, antiinfectives, immunomodulators or HIV entry inhibitors. More particularly, the present invention relates to the treatment of HIV and AIDS.
    Type: Grant
    Filed: May 16, 2000
    Date of Patent: October 22, 2002
    Assignee: Bristol-Myers Squibb Company
    Inventors: Wade S. Blair, Milind Deshpande, Haiquan Fang, Pin-Fang Lin, Timothy P. Spicer, Owen B. Wallace, Hui Wang, Tao Wang, Zhongxing Zhang, Kap-Sun Yeung