Patents by Inventor Wai C. Wong

Wai C. 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).

  • Patent number: 7273880
    Abstract: This invention is directed to bicyclic and tricyclic compounds which are selective antagonists for NPY (Y5) receptors. The invention provides a pharmaceutical composition comprising a therapeutically effective amount of a compound of the invention and a pharmaceutically acceptable carrier. This invention provides a pharmaceutical composition made by combining a therapeutically effective amount of a compound of this invention and a pharmaceutically acceptable carrier. The invention provides a process for making a pharmaceutical composition comprising combining a therapeutically effective amount of a compound of the invention and a pharmaceutically acceptable carrier. This invention further provides the use of a compound of the invention for the preparation of a pharmaceutical composition for treating an abnormality, wherein the abnormality is alleviated by decreasing the activity of a human Y5 receptor.
    Type: Grant
    Filed: January 20, 2005
    Date of Patent: September 25, 2007
    Assignees: H. Lunbeck A/S, Novartis AG
    Inventors: Mohammad R. Marzabadi, Wai C. Wong, Stewart A. Noble, Yasuchika Yamaguchi
  • Patent number: 7071207
    Abstract: This invention relates to 1,5,6,7-tetrahydropyrrolo[3,2-c]pyridine derivatives which have been found to suppress appetite and induce weight loss. The invention also provides methods for synthesis of the compounds, pharmaceutical compositions comprising the compounds, and methods of using such compositions for inducing weight loss and treating obesity and obesity-related disorders.
    Type: Grant
    Filed: September 24, 2002
    Date of Patent: July 4, 2006
    Assignee: Bayer Pharmaceuticals Corporation
    Inventors: Roger A. Smith, Stephen J. O'Connor, Wai C. Wong, Soongyu Choi, Harold C. Kluender, Jianmei Fan, Zhonghua Zhang, Rico C. Lavoie, Brent L. Podlogar
  • Patent number: 6989379
    Abstract: This invention is directed to triazine derivatives, bicyclic compounds and tricyclic compounds which are selective antagonists for a NPY (Y5) receptor. The invention provides a pharmaceutical composition comprising a therapeutically effective amount of a compound of the invention and a pharmaceutically acceptable carrier. This invention provides a pharmaceutical composition made by combining a therapeutically effective amount of a compound of this invention and a pharmaceutically acceptable carrier. This invention provides a process for making a pharmaceutical composition comprising combining a therapeutically effective amount of a compound of the invention and a pharmaceutically acceptable carrier. The invention further provides the use of a compound of the invention for the preparation of a pharmaceutical composition for treating an abnormality, wherein the abnormality is alleviated by decreasing the activity of a human Y5 receptor.
    Type: Grant
    Filed: April 21, 2000
    Date of Patent: January 24, 2006
    Assignee: H. Lundbick A/S
    Inventors: Mohammad R. Marzabadi, Wai C. Wong, Stewart A. Noble, Manesh N. Desai
  • Patent number: 6960601
    Abstract: This invention relates to substituted imidazole derivatives which have been found to suppress appetite and induce weight loss. The invention also provides methods for synthesis of the compounds, pharmaceutical compositions comprising the compounds, and methods of using such compositions for inducing weight loss and treating obesity and obesity-related disorders.
    Type: Grant
    Filed: September 24, 2002
    Date of Patent: November 1, 2005
    Assignee: Bayer Pharmaceuticals Corporation
    Inventors: Roger A. Smith, Stephen J. O'Connor, Stephan-Nicholas Wirtz, Wai C. Wong, Soongyu Choi, Harold C. E. Kluender, Ning Su, Gan Wang, Furahi Achebe, Shihong Ying
  • Publication number: 20040236110
    Abstract: The invention provides novel substituted 3-pyridyl indoles and indazoles and pharmaceutical compositions thereof. The invention also provides methods of use of substituted 3-pyridyl indoles and indazoles and pharmaceutical compositions thereof as inhibitors of lyases, e.g., the 17&agr;-hydroxylase-C17,20-lyase enzyme. The invention further provides methods for the treatment of cancer in a subject, comprising administering a substituted 3-pyridyl indoles and indazoles or a pharmaceutical composition comprising a substituted 3-pyridyl indoles and indazoles to a subject. The cancer can be, e.g., prostate cancer or breast cancer.
    Type: Application
    Filed: March 26, 2004
    Publication date: November 25, 2004
    Inventors: Gaetan H Ladouceur, Michael Burke, Wai C Wong, Donald E Bierer
  • Publication number: 20040224970
    Abstract: This invention relates to 1,5,6,7-tetrahydropyrrolo[3,2-c]pyridine derivatives which have been found to suppress appetite and induce weight loss. The invention also provides methods for synthesis of the compounds, pharmaceutical compositions comprising the compounds, and methods of using such compositions for inducing weight loss and treating obesity and obesity-related disorders.
    Type: Application
    Filed: February 27, 2004
    Publication date: November 11, 2004
    Inventors: Roger A Smith, Stephen J. O'Connor, Wai C. Wong, Soongyu Choi, Harold C.E. Kluender, Jianmei Fan, Zhonghua Zhang, Rico C. Lavoie, Brent L. Podlogar
  • Patent number: 6777426
    Abstract: This invention is directed to novel imidazole and imidazoline derivatives which are selective agonists for cloned human &agr;2 adrenergic receptors. This invention is also related to the use of these compounds for the treatment of any disease where modulation of the &agr;2 receptors may be useful. The invention further provides for a pharmaceutical composition comprising a therapeutically effective amount of the above-defined compounds and a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: August 20, 2001
    Date of Patent: August 17, 2004
    Assignee: Synaptic Pharmaceutical Corporation
    Inventors: Wai C. Wong, Yoon T. Jeon, T. G. Murali Dhar, Charles Gluchowski
  • Patent number: 6727257
    Abstract: This invention is directed to dihydropyrimidine compounds of the following formula: wherein A is which are selective antagonists for human &agr;1C receptors. This invention is also related to uses of these compounds for lowering intraocular pressure, inhibiting cholesterol synthesis, relaxing lower urinary tract tissue, the treatment of benign prostatic hyperplasia, impotence, cardiac arrhythmia and for the treatment of any disease where antagonism of the &agr;1C receptor may be useful. The invention further provides a pharmaceutical composition comprising a therapeutically effective amount of the above-defined compounds and a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: December 5, 2000
    Date of Patent: April 27, 2004
    Assignee: Synaptic Pharmaceutical Corporation
    Inventors: Dhanapalan Nagarathnam, George Chiu, T. G. Murali Dhar, Wai C. Wong, Mohammad R. Marzabadi, Charles Gluchowski, Bharat Lagu, Shou Wu Miao
  • Publication number: 20040063691
    Abstract: This invention relates to substituted imidazole derivatives which have been found to suppress appetite and induce weight loss. The invention also provides methods for synthesis of the compounds, pharmaceutical compositions comprising the compounds, and methods of using such compositions for inducing weight loss and treating obesity and obesity-related disorders.
    Type: Application
    Filed: September 24, 2002
    Publication date: April 1, 2004
    Inventors: Roger A. Smith, Stephen J. O'Connor, Stephan-Nicholas Wirtz, Wai C. Wong, Soongyu Choi, Harold C.E. Kluender, Ning Su, Gan Wang, Furahi Achebe, Shihong Ying
  • Patent number: 6620815
    Abstract: This invention is directed to oxazolidinone compounds which are selective antagonists for human &agr;1A receptors. This invention is also related to uses of these compounds for lowering intraocular pressure, inhibiting cholesterol synthesis, relaxing lower urinary tract tissue, the treatment of benign prostatic hyperplasia, impotency, cardiac arrhythmia and for the treatment of any disease where the antagonism of the &agr;1A receptor may be useful. The invention further provides a pharmaceutical composition comprising a therapeutically effective amount of the above-defined compounds and a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: August 10, 2000
    Date of Patent: September 16, 2003
    Assignee: Synaptic Pharmaceutical Corporation
    Inventors: Bharat Lagu, T. G. Murali Dhar, Dhanapalan Nagarathnam, Yoon T. Jeon, Mohammad R. Marzabadi, Wai C. Wong, Charles Gluchowski
  • Patent number: 6608086
    Abstract: This invention provides dihydropyridines useful for treatment of prostatic hyperplasia, inhibition of cholesterol synthesis, and/or reduction of intraocular pressure.
    Type: Grant
    Filed: October 5, 2001
    Date of Patent: August 19, 2003
    Assignee: Synaptic Pharmaceutical Corporation
    Inventors: Charles Gluchowski, John M. Wetzel, George Chiu, Mohammed R. Marzabadi, Wai C. Wong, Dhanapalan Nagarathnam
  • Publication number: 20020193599
    Abstract: The invention provides a method of treating benign prostatic hyperplasia in a subject which comprises administering to the subject a therapeutically effective amount of a compound having the structure: 1
    Type: Application
    Filed: October 5, 2001
    Publication date: December 19, 2002
    Applicant: Synaptic Pharmaceutical Corporation
    Inventors: Charles Gluchowski, John M. Wetzel, George Chiu, Mohammed R. Marzabadi, Wai C. Wong, Dhanapalan Nagarathnam
  • Publication number: 20020019390
    Abstract: This invention is directed to novel imidazole and imidazoline derivatives which are selective agonists for cloned human &agr;2 adrenergic receptors. This invention is also related to the use of these compounds for the treatment of any disease where modulation of the &agr;2 receptors may be useful. The invention further provides for a pharmaceutical composition comprising a therapeutically effective amount of the above-defined compounds and a pharmaceutically acceptable carrier.
    Type: Application
    Filed: August 20, 2001
    Publication date: February 14, 2002
    Applicant: Synaptic Pharmaceutical Corporation
    Inventors: Wai C. Wong, Yoon T. Jeon, T.G. Murali Dhar, Charles Gluchowski
  • Publication number: 20020010186
    Abstract: This invention is directed to dihydropyrimidine compounds which are selective antagonists for human &agr;1A receptors. This invention is also related to uses of these compounds for lowering intraocular pressure, inhibiting cholesterol synthesis, relaxing lower urinary tract tissue, the treatment of benign prostatic hyperplasia, impotency, cardiac arrhythmia and for the treatment of any disease where the antagonism of the &agr;1A receptor may be useful. The invention further provides a pharmaceutical composition comprising a therapeutically effective amount of the above-defined compounds and a pharmaceutically acceptable carrier.
    Type: Application
    Filed: May 15, 2001
    Publication date: January 24, 2002
    Applicant: Synaptic Pharmaceutical Corporation
    Inventors: Wai C. Wong, Bharat Lagu, Dhanapalan Nagarathnam, Mohammad R. Marzabadi, Charles Gluchowski
  • Patent number: 6310076
    Abstract: The invention provides a method of treating benign prostatic hyperplasia in a subject which comprises administering to the subject a therapeutically effective amount of a compound having the structure: wherein Y is —(CH2)n—, where n is 1, 2, 3, 4 or 5; —(CH2)h—O—(CH2)k—, where h and k are independently the same or different and are 2, 3 or 4; —(CH2)h—CH═CH—(CH2)k—; or —(CH2)h—C≡C—(CH2)k—, where h and k are independently the same or different and are 1, 2, 3 or 4; wherein Z is O, NH, or CH2; wherein R1 is a linear or branched chain alkyl, alkoxyalkyl or arylalkyl group; wherein R2 and R4 are independently the same or different and are H, or it linear or branched chain alkyl group; wherein R3 is H, a linear or branched chain alkyl, alkoxy, alkoxyalkyl or acyl group; and wherein R5 and R6 are independently the same or different and are H, OH, Cl, Br, F, NO2, CN, CF3, or NH2, or a linear or branched ch
    Type: Grant
    Filed: June 7, 2000
    Date of Patent: October 30, 2001
    Assignee: Synaptic Pharmaceutical Corporation
    Inventors: Charles Gluchowski, John M. Wetzel, George Chiu, Mohammed R. Marzabadi, Wai C. Wong, Dhanapalan Nagarathnam
  • Patent number: 6294566
    Abstract: This invention is directed to novel imidazole and imidazoline derivatives which are selective agonists for cloned human &agr;2 adrenergic receptors. This invention is also related to the use of these compounds for the treatment of any disease where modulation of the &agr;2 receptors may be useful. The invention further provides for a pharmaceutical composition comprising a therapeutically effective amount of the above-defined compounds and a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: September 20, 1999
    Date of Patent: September 25, 2001
    Assignee: Synaptic Pharmaceutical Corporation
    Inventors: Wai C. Wong, Yoon T. Jeon, Charles Gluchowski
  • Patent number: 6268369
    Abstract: This invention is directed to dihydropyrimidine compounds of the following formula: which are selective antagonists for human &agr;1C receptors. This invention is also related to uses of these compounds for lowering intraocular pressure, inhibiting cholesterol synthesis, relaxing lower urinary tract tissue, the treatment of benign prostatic hyperplasia, impotence, cardiac arrhythmia and for the treatment of any disease where antagonism of the &agr;1C receptor may be useful. The invention further provides a pharmaceutical composition comprising a therapeutically effective amount of the above-defined compounds and a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: May 16, 1997
    Date of Patent: July 31, 2001
    Assignee: Synaptic Pharmaceutical Corporation
    Inventors: Dhanapalan Nagarathnam, George Chiu, T. G. Murali Dhar, Wai C. Wong, Mohammad R. Marzabadi, Charles Gluchowski, Bharat Lagu, Shou Wu Miao
  • Patent number: 6248747
    Abstract: This invention is directed to the use of dihydropyrimidine compounds, which are selective antagonists for cloned human &agr;1C receptors, for the treatment of benign prostatic hyperplasia and other diseases where antagonism of the human &agr;1C receptor is useful. The invention further provides a pharmaceutical composition comprising a therapeutically effective amount of the above-identified compounds and a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: April 14, 1999
    Date of Patent: June 19, 2001
    Assignee: Synaptic Pharmaceutical Corporation
    Inventors: Dhanapalan Nagarathnam, George Chiu, T. G. Murali Dhar, Wai C. Wong, Mohammad R. Marzabadi, Charles Gluchowski
  • Patent number: 6245773
    Abstract: This invention is directed to dihydropyrimidine compounds of the following formula: which are selective antagonists for human &agr;1A receptors. This invention is also related to uses of these compounds for lowering intraocular pressure, inhibiting cholesterol synthesis, relaxing lower urinary tract tissue, the treatment of benign prostatic hyperplasia, impotency, cardiac arrhythmia and for the treatment of any disease where antagonism of the &agr;1A receptor may be useful. The invention further provides a pharmaceutical composition comprising a therapeutically effective amount of the above-defined compounds and a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: May 16, 1997
    Date of Patent: June 12, 2001
    Assignee: Synaptic Pharmaceutical Corporation
    Inventors: Wai C. Wong, Bharat Lagu, Dhanapalan Nagarathnam, Mohammad R. Marzabadi, Charles Gluchowski
  • Patent number: 6228861
    Abstract: This invention is directed to dihydropyrimidine compounds which are selective antagonists for human &agr;1A receptors. This invention is also related to uses of these compounds for lowering intraocular pressure, inhibiting cholesterol synthesis, relaxing lower urinary tract tissue, the treatment of benign prostatic hyperplasia, impotency, cardiac arrhythmia and for the treatment of any disease where the antagonism of the &agr;1A receptor may be useful. The invention further provides a pharmaceutical composition comprising a therapeutically effective amount of the above-defined compounds and a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: November 10, 1998
    Date of Patent: May 8, 2001
    Assignee: Synaptic Pharmaceutical Corporation
    Inventors: Dhanapalan Nagarathnam, Wai C. Wong, Shou Wu Miao, Charles Gluchowski, Michael A. Patane