Patents by Inventor Wen-Yang Wu

Wen-Yang Wu 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).

  • Patent number: 7223790
    Abstract: The invention relates to compounds of general formula (I); in which R is an amino or guanidino group; R2 is acetyl or trifluoroacetyl; X is CONH, NHCO or O; n is an integer from 2 to 6; and Y is C2–C8 alkyl C3-8 cycloalkyl, C1–C4 alkoxyalkyl, an amino acid or dipeptide, or a pharmaceutically acceptable derivative thereof, methods for their preparation, pharmaceutical formulations containing them or their use in the prevention or treatment of a viral infection
    Type: Grant
    Filed: November 8, 2002
    Date of Patent: May 29, 2007
    Assignee: Biota Scientific Management Pty Ltd.
    Inventors: Betty Jin, Simon J. F. MacDonald, Darryl McConnell, Van T. T. Nguyen, Stephen E. Shanahan, Wen-Yang Wu
  • Patent number: 7205333
    Abstract: The invention relates to a multimeric compound or a pharmaceutically acceptable salt or derivative thereof which comprises three or more neuraminidase-binding groups attached to a spacer or linking group, in which the neuraminidase-binding group is a compound which binds to the active site of influenza virus neuraminidase, but is not cleaved by the neuraminidase. The invention also relates to processes for the preparation of the multimeric compound defined above, pharmaceutical compositions containing them or methods for the treatment and/or prophylaxis of a viral infection involving them.
    Type: Grant
    Filed: September 7, 2001
    Date of Patent: April 17, 2007
    Inventors: Wen-Yang Wu, Michael Dennis Dowle, Betty Jin, Simon John Fawcett Macdonald, Andrew McMurtrie Mason, Darryl McConnell, Keith Watson
  • Publication number: 20070027176
    Abstract: This invention is related to compositions including compounds of where R1, R2, R7, R8, R9, and R10 may be the same or different and are selected from H, CH3, OH, OCH3, C2H5, OC2H5OCH2Ph, OCH2PhNO2, F or Cl; R3, R4, R5, R6 may be the same or different and are selected from H, CH3, OCH3, C2H5, OC2H5OCH2Ph, OCH2PhNO2, F or Cl, or R5 and R6 are the same or different and are selected from H, CH3, OCH3, C2H5, OC2H5OCH2Ph, OCH2PhNO2, F or Cl and R3 and R4 together are ?O, or R4 and R6 are the same or different and are selected from H, CH3, OCH3, C2H5, OC2H5OCH2Ph, OCH2PhNO2, F or Cl and R3 and R5 together form a double bond or are ?O, or R3 and R4, are the same or different and are selected from H, CH3, OCH3, C2H5, OC2H5OCH2Ph, OCH2PhNO2, F or Cl and R5 and R6 together are ?O; R11 and R12 together form ?CH2, or R11 and R12 may be the same or different and are independently selected from the group consisting of H, CH3, CH2CH3 and CH2CH2CH3; and X is selected from the group consisting of Cl, Br, SO4, I and
    Type: Application
    Filed: August 26, 2004
    Publication date: February 1, 2007
    Inventors: Betty Jin, Wen-Yang Wu
  • Patent number: 7157494
    Abstract: The invention relates to compounds of general formula (I); in which R is an amino or guanidino group; R2 is acetyl or trifluoroacetyl; X is CONH, SO2NH, NHCO or NHCONH; m is either 0 or 1; n is an integer from 2 to 6; q is an integer from 0 to 3; and Y is hydrogen or an aromatic substituent, or a pharmaceutically acceptable derivative thereof; methods for their preparation, pharmaceutical formulations containing them or their use in the prevention or treatment of a viral infection
    Type: Grant
    Filed: November 8, 2002
    Date of Patent: January 2, 2007
    Assignee: Biota Scientific Management Pty. Ltd.
    Inventors: Michael D. Dowle, Betty Jin, Simon J. F. Macdonald, Andrew McM Mason, Darryl McConnell, Van T. T. Nguyen, Stephen E. Shanahan, Wen-Yang Wu
  • Patent number: 7078403
    Abstract: Disclosed herein are compounds of formula II: wherein Alk, Z, X1, X2, R1, —R10 and R11 are defined herein, and their salts and pharmaceutically acceptable derivatives thereof, as well as other compounds of the general formula Het-A-Alk-W-Ar-C(X2)?NO-X2 where Het, A, W and Ar are also defined herein. These compounds are useful in treating picornavirus infections in mammals. Novel intermediates of these compounds, as well as pharmaceutical compositions and methods of use, are also disclosed herein.
    Type: Grant
    Filed: June 16, 2000
    Date of Patent: July 18, 2006
    Assignee: Biota Scientific Management Pty Ltd.
    Inventors: Wen-Yang Wu, Keith Watson, Darryl McConnell, Betty Jin, Guy Krippner
  • Publication number: 20050085413
    Abstract: The invention relates to a compound of general formula (I): X-L-Y??(I) in which X and Y are pharmaceutically active moieties which may be the same or different; and L is a linker which is an optionally substituted saturated or unsaturated straight chain, branched and/or cyclic hydrocarbon radical having a backbone of at least 11 atoms, or a pharmaceutically acceptable derivative or salt thereof, methods for their preparation, pharmaceutical formulations containing them or their use in the prevention or treatment of a microbial infection.
    Type: Application
    Filed: November 8, 2002
    Publication date: April 21, 2005
    Inventors: Betty Jin, John Lambert, Roland Nearn, Van Nguyen, Simon Tucker, Wen-Yang Wu
  • Publication number: 20050054719
    Abstract: The invention relates to compounds of general formula (1); in which R is an amino or guanidino group; R2 is acetyl or trifluoroacetyl; X is CONH, NHCO or O; n is an integer from 2 to 6; and Y is C2-C8 alkyl C3-8 cycloalkyl, C1-C4 alkoxyalkyl, an amino acid or dipeptide, or a pharmaceutically acceptable derivative thereof, methods for their preparation, pharmaceutical formulations containing them or their use in the prevention or treatment of a viral infection.
    Type: Application
    Filed: November 8, 2002
    Publication date: March 10, 2005
    Inventors: Betty Jin, Simon MacDonald, Darryl McConnell, Van Nguyen, Stephen Shanahan, Wen-Yang Wu
  • Publication number: 20050043399
    Abstract: The invention relates to compounds of general formula (I); in which R is an amino or guanidino group; R2 is acetyl or trifluoroacetyl; and n is an integer from 10 to 18 or a pharmaceutically acceptable derivative thereof, methods for their preparation, pharmaceutical formulations containing them or their use in the prevention or treatment of a viral infection.
    Type: Application
    Filed: November 8, 2002
    Publication date: February 24, 2005
    Inventors: Derek Demaine, Graham Inglis, Simon MacDonald, Stephen Shanahan, Simon Tucker, Keith Watson, Wen-Yang Wu
  • Publication number: 20050038108
    Abstract: The invention relates to compounds of general formula (I); in which R is an amino or guanidino group; R2 is acetyl or trifluoroacetyl; X is CONH, SO2NH, NHCO or NHCONH; m is either 0 or 1; n is an integer from 2 to 6; q is an integer from 0 to 3; and Y is hydrogen or an aromatic substituent, or a pharmaceutically acceptable derivative thereof; methods for their preparation, pharmaceutical formulations containing them or their use in the prevention or treatment of a viral infection.
    Type: Application
    Filed: November 8, 2002
    Publication date: February 17, 2005
    Inventors: Michael Dowle, Betty Jin, Simon Macdonald, Andrew McM Mason, Darryl Mcconnell, Van Nguyen, Stepehn Shanahan, Wen-Yang Wu
  • Publication number: 20040058853
    Abstract: The invention relates to a multimeric compound or a pharmaceutically acceptable salt or derivative thereof which comprises three or more neuraminidase-binding groups attached to a spacer or linking group, in which the neuraminidase-binding group is a compound which binds to the active site of influenza virus neuraminidase, but is not cleaved by the neuraminidase. The invention also relates to processes for the preparation of the multimeric compound defined above, pharmaceutical compositions containing them or methods for the treatment and/or prophylaxis of a viral infection involving them.
    Type: Application
    Filed: October 14, 2003
    Publication date: March 25, 2004
    Inventors: Wen-Yang Wu, Michael Dennis Dowle, Betty Jin, Simon John Fawcett Macdonald, Andrew McMurtrie Mason, Darryl McConnell, Keith Watson
  • Patent number: 6680054
    Abstract: The invention provides novel macromolecules, methods for their preparation, pharmaceutical formulations thereof and their use as anti-influenza agents. The invention also provides a novel diagnostic method which can be used for detection of all types of influenza A and B virus. The macromolecular compound of the invention has attached to it one or more molecules (neuraminidase binders) which bind to the active site of influenza virus neuraminidase but which are not cleaved by the neuraminidase.
    Type: Grant
    Filed: July 16, 1999
    Date of Patent: January 20, 2004
    Assignee: Biota Scientific Management PTY Ltd.
    Inventors: Phillip A. Reece, Keith Geoffrey Watson, Wen-Yang Wu, Betty Jin, Guy Y. Krippner
  • Patent number: 6548476
    Abstract: This invention relates to novel dimeric compounds, methods for their preparation, pharmaceutical formulations thereof, and their use as antiviral agents. The compounds are particularly useful against influenza virus. In particular the invention provides a dimeric compound which comprises two neuraminidase binding groups attached to a spacer or linking group. Preferably the dimeric molecule comprises two neuraminidase-binding neuraminic acid (sialic acid) or cyclopentyl or cyclohexenyl carboxylic acid derivatives covalently attached to a common spacer group. Pharmaceutical compositions and methods of treatment, prophylaxis and diagnosis are disclosed and claimed.
    Type: Grant
    Filed: September 8, 2000
    Date of Patent: April 15, 2003
    Assignee: Biota Scientific Management Pty. Ltd.
    Inventors: Wen-Yang Wu, Betty Jin
  • Publication number: 20020055094
    Abstract: The invention provides a method of detection of influenza virus which utilises compounds able to bind specifically to the active site of influenza virus neuraminidase, and novel compounds for use in the method.
    Type: Application
    Filed: April 3, 2001
    Publication date: May 9, 2002
    Inventors: Phillip A. Reece, Wen-Yang Wu, Betty Jin, Guy Y. Krippner, Keith Geoffrey Watson
  • Patent number: 6242582
    Abstract: The invention provides a method of detection of influenza virus which utilizes compounds able to bind specifically to the active site of influenza virus neuraminidase, and novel compounds for use in the method.
    Type: Grant
    Filed: January 11, 1999
    Date of Patent: June 5, 2001
    Assignee: Biota Scientific Management PTY Ltd.
    Inventors: Phillip A. Reece, Wen-Yang Wu, Betty Jin, Guy Y. Krippner, Keith Geoffrey Watson
  • Patent number: 5648379
    Abstract: Derivatives and analogues of 2-deoxy-2,3-didehydro-N-acetyl neuraminic acid, pharmaceutical formulations thereof, methods for their preparation and their use in the treatment of viral infections, in particular influenza, are described.
    Type: Grant
    Filed: October 19, 1994
    Date of Patent: July 15, 1997
    Assignee: Biota Scientific Management Pty., Ltd.
    Inventors: Laurence Mark Von Itzstein, Wen-Yang Wu, Tho Van Phan, Basil Danylec, Betty Jin, Peter Malcolm Colman, Joseph Noozhumurry Varghese
  • Patent number: 5639786
    Abstract: N-Acetylneuraminic and derivatives of formula (I) ##STR1## pharmaceutical formulations thereof, their use in medicine, in particular as antiviral agents and methods for their preparation are described.
    Type: Grant
    Filed: June 29, 1994
    Date of Patent: June 17, 1997
    Assignee: BIOTA Scientific Management, Pty., Ltd.
    Inventors: Laurence Mark Von Itzstein, Wen-Yang Wu, Tho Van Phan, Basil Danylec, Betty Jin
  • Patent number: 5360817
    Abstract: Derivatives and analogues of 2-deoxy-2,3-didehydro-N-acetyl neuraminic acid, pharmaceutical formulations thereof, methods for their preparation .and their use in the treatment of viral infections, in particular influenza, are described.
    Type: Grant
    Filed: November 10, 1992
    Date of Patent: November 1, 1994
    Assignee: Biota Scientific Management Pty Ltd
    Inventors: Laurence M. von Izstein, Wen-Yang Wu, Tho V. Phan, Basil Danylec, Betty Jin