Patents by Inventor Stephen Kwok-Fung Wong

Stephen Kwok-Fung Wong 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).

  • Morpholine dopamine agonists
    Patent number: 7902188
    Abstract: The present invention provides for compounds of formula (I), (Ia) and (Ib) Wherein: A is selected from C—X and N, B is selected from C—Y and N, R1 is selected from H and (C1-C6)alkyl, R2 is selected from H and (C1-C6)alkyl, X is selected from H, HO, C(O)NH2, NH2 Y is selected from H, HO, NH2, Br, Cl and F Z is selected from H, HO, F, CONH2 and CN; And pharmaceutically acceptable salts, solvates and prodrugs thereof; With the provisos that: for a compound of formula (I), (Ia) or (Ib), when A is C—X, B is C—Y, R1 is H or (C1-C6)alkyl and R2 is H or (C1-C6)alkyl at least one of X, Y and Z must be OH; for a compound of formula (I), when A is C—X and B is C—Y, Y is H, Z is H, R1 is H and R2 is H, then X cannot be OH; these compounds are useful as a medicament.
    Type: Grant
    Filed: July 2, 2009
    Date of Patent: March 8, 2011
    Assignee: Pfizer Inc.
    Inventors: Charlotte Moira Norfor Allerton, Andrew Douglas Baxter, Andrew Simon Cook, David Hepworth, Stephen Kwok-Fung Wong
  • MORPHOLINE DOPAMINE AGONISTS
    Publication number: 20090270384
    Abstract: The present invention provides for compounds of formula (I), (Ia) and (Ib) Wherein: A is selected from C—X and N, B is selected from C—Y and N, R1 is selected from H and (C1-C6)alkyl, R2 is selected from H and (C1-C6)alkyl, X is selected from H, HO, C(O)NH2, NH2 Y is selected from H, HO, NH2, Br, Cl and F Z is selected from H, HO, F, CONH2 and CN; And pharmaceutically acceptable salts, solvates and prodrugs thereof; With the provisos that: for a compound of formula (I), (Ia) or (Ib), when A is C—X, B is C—Y, R1 is H or (C1-C6)alkyl and R2 is H or (C1-C6)alkyl at least one of X, Y and Z must be OH; for a compound of formula (I), when A is C—X and B is C—Y, Y is H, Z is H, R1 is H and R2 is H, then X cannot be OH; these compounds are useful as a medicament.
    Type: Application
    Filed: July 2, 2009
    Publication date: October 29, 2009
    Inventors: Charlotte Moria Norfor Allerton, Andrew Douglas Baxter, Andrew Simon Cook, David Hepworth, Stephen Kwok-Fung Wong
  • Morpholine dopamine agonists
    Patent number: 7576081
    Abstract: The present invention provides for compounds of formula (I), (Ia) and (Ib) Wherein: A is selected from C—X and N, B is selected from C—Y and N, R1 is selected from H and (C1-C6)alkyl, R2 is selected from H and (C1-C6)alkyl, X is selected from H, HO, C(O)NH2, NH2 Y is selected from H, HO, NH2, Br, Cl and F Z is selected from H, HO F, CONH2 and CN; And pharmaceutically acceptable salts, solvates and prodrugs thereof; With the provisos that: for a compound of formula (I), (Ia) or (Ib), when A is C—X, B is C—Y, R1 is H or (C1-C6)alkyl and R2 is H or (C1-C6)alkyl at least one of X, Y and Z must be OH; for a compound of formula (I), when A is C—X and B is C—Y, Y is H, Z is H, R1 is H and R2 is H, then X cannot be OH; these compounds are useful as a medicament.
    Type: Grant
    Filed: June 19, 2006
    Date of Patent: August 18, 2009
    Assignee: Pfizer Inc.
    Inventors: Charlotte Moira Norfor Allerton, Andrew Douglas Baxter, Andrew Simon Cook, David Hepworth, Stephen Kwok-Fung Wong
  • Morpholine dopamine agonists
    Patent number: 7323462
    Abstract: Compounds of formula (I), (Ia) and (Ib) useful as a medicament.
    Type: Grant
    Filed: December 2, 2003
    Date of Patent: January 29, 2008
    Assignee: Pfizer Inc.
    Inventors: Charlotte Moira Norfor Allerton, Andrew Douglas Baxter, Andrew Simon Cook, David Hepworth, Stephen Kwok-Fung Wong
  • Morpholine dopamine agonists
    Publication number: 20040259874
    Abstract: The present invention provides for compounds of formula (I), (Ia) and (Ib) 1
    Type: Application
    Filed: December 2, 2003
    Publication date: December 23, 2004
    Applicant: Pfizer Inc.
    Inventors: Charlotte Moria Norfor Allerton, Andrew Douglas Baxter, Andrew Simon Cook, David Hepworth, Stephen Kwok-Fung Wong