Patents by Inventor Phaik-Eng Sum

Phaik-Eng Sum 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: 8101590
    Abstract: This invention provides compounds of Formula I having the structure where R1, R2, R3 and A are defined in the specification or a pharmaceutically acceptable salt thereof useful as antibacterial agents. Compounds according to Formula (II): where Q, R4, R5, R6 and R10 and A are defined in the specification are useful as chemical intermediates.
    Type: Grant
    Filed: August 31, 2006
    Date of Patent: January 24, 2012
    Assignee: Wyeth LLC
    Inventors: Phaik-Eng Sum, Tarek Suhayl Mansour, David Brian How, Darrin William Hopper, Matthew Douglas Vera, Joshua James Sabatini, Jaechul Shim
  • Patent number: 7998965
    Abstract: The present invention relates to modulators of metalloproteinase activity.
    Type: Grant
    Filed: May 14, 2009
    Date of Patent: August 16, 2011
    Assignee: Wyeth LLC
    Inventors: Phaik-Eng Sum, Jerauld Stanley Skotnicki, Steve Yik-Kai Tam, Tarek Suhayl Mansour, David Brian How, Joshua James Sabatini, Jason Shaoyun Xiang, Eric Feyfant
  • Patent number: 7947712
    Abstract: The present invention relates to 8-Hydroxyquinoline Compounds; compositions comprising an 8-Hydroxyquinoline Compound; and methods for treating or preventing a metalloproteinase-related disorder, such as, an arthritic disorder, osteoarthritis, malignant neoplasm, rheumatoid arthritis, asthma, chronic obstructive pulmonary disease, atherosclerosis, age-related macular degeneration, myocardial infarction, a corneal ulceration, an ocular surface disease, hepatitis, an aortic aneurysm, tendonitis, a central nervous system disorder, abnormal wound healing, angiogenesis, restenosis, cirrhosis, multiple sclerosis, glomerulonephritis, graft versus host disease, diabetes, an inflammatory bowel disease, shock, invertebral disc degeneration, stroke, osteopenia or a periodontal disease or comprising administering an effective dose of an 8-Hydroxyquinoline Compound to a mammal in need thereof.
    Type: Grant
    Filed: August 23, 2007
    Date of Patent: May 24, 2011
    Assignee: Wyeth LLC
    Inventors: Matthew G. Bursavich, Sabrina Lombardi, Adam M. Gilbert, Leif Mark Laakso, Gulnaz Khafizova, David Brian How, Joshua James Sabatini, Phaik-Eng Sum, Jeremy Clemens
  • Patent number: 7923446
    Abstract: The present invention relates to biaryl sulfonamides and their use as, for example, metalloproteinase inhibitors.
    Type: Grant
    Filed: May 31, 2007
    Date of Patent: April 12, 2011
    Assignee: Wyeth LLC
    Inventors: Jason Shaoyun Xiang, Steve Yikkai Tam, Yonghan Hu, Phaik-Eng Sum, David Brian How, Darrin William Hopper, Matthew Douglas Vera, Joshua James Sabatini, Thomas Saltmarsh Rush, III, Elisabeth Ann Morris, Katy Evangelia Georgiadis
  • Patent number: 7812008
    Abstract: This invention provides compounds of Formula (I); or a tautomer or pharmaceutically acceptable salts thereof useful as antibacterial agents.
    Type: Grant
    Filed: February 14, 2006
    Date of Patent: October 12, 2010
    Assignee: Wyeth LLC
    Inventors: Phaik-Eng Sum, Tarek Mansour
  • Publication number: 20100010012
    Abstract: The present invention relates to modulators of metalloproteinase activity.
    Type: Application
    Filed: May 14, 2009
    Publication date: January 14, 2010
    Applicant: Wyeth
    Inventors: Phaik-Eng Sum, Jerauld Stanley Skotnicki, Steve Yik-Kai Tam, Tarek Suhayl Mansour, David Brian How, Joshua James Sabatini, Jason Shaoyun Xiang, Eric Feyfant
  • Patent number: 7615363
    Abstract: This invention relates to aggrecanase polypeptides and aggrecanase polypeptide/ligand complexes, crystals of aggrecanase and aggrecanase polypeptide/ligand complexes, and related methods and software systems.
    Type: Grant
    Filed: August 24, 2006
    Date of Patent: November 10, 2009
    Assignee: Wyeth
    Inventors: Lidia Mosyak, Thomas Saltmarsh Rush, III, Xiaotian Zhong, Thomas E. McDonagh, Katy E. Georgiadis, Phaik-Eng Sum, Edward R. LaVallie, Lisa A. Collins-Racie, Christopher John Corcoran, Ravindra Kumar, Tracy Hebert, Stephane Hubert Olland, Stewart Andrews Mackie
  • Patent number: 7553873
    Abstract: The present invention relates to modulators of metalloproteinase activity.
    Type: Grant
    Filed: July 11, 2006
    Date of Patent: June 30, 2009
    Assignee: Wyeth
    Inventors: Phaik-Eng Sum, Jerauld Stanley Skotnicki, Steve Yik-Kai Tam, Tarek Suhayl Mansour, David Brian How, Joshua James Sabatini, Jason Shaoyun Xiang, Eric Feyfant
  • Publication number: 20080269213
    Abstract: The present invention relates to 8-Hydroxyquinoline Compounds; compositions comprising an 8-Hydroxyquinoline Compound; and methods for treating or preventing a metalloproteinase-related disorder, such as, an arthritic disorder, osteoarthritis, malignant neoplasm, rheumatoid arthritis, asthma, chronic obstructive pulmonary disease, atherosclerosis, age-related macular degeneration, myocardial infarction, a corneal ulceration, an ocular surface disease, hepatitis, an aortic aneurysm, tendonitis, a central nervous system disorder, abnormal wound healing, angiogenesis, restenosis, cirrhosis, multiple sclerosis, glomerulonephritis, graft versus host disease, diabetes, an inflammatory bowel disease, shock, invertebral disc degeneration, stroke, osteopenia or a periodontal disease or comprising administering an effective dose of an 8-Hydroxyquinoline Compound to a mammal in need thereof.
    Type: Application
    Filed: August 23, 2007
    Publication date: October 30, 2008
    Applicant: Wyeth
    Inventors: Matthew G. Bursavich, Sabrina Lombardi, Adam M. Gilbert, Leif Mark Laakso, Gulnaz Khafizova, David Brian How, Joshua James Sabatini, Phaik-Eng Sum, Jeremy Clemens
  • Publication number: 20080177080
    Abstract: This invention provides compounds of the formula: wherein A?, X and Y are defined in the specification. These compounds are useful as antibacterial agents.
    Type: Application
    Filed: March 24, 2008
    Publication date: July 24, 2008
    Applicant: Wyeth
    Inventors: Phaik-Eng Sum, David Brian How, Darrin William Hopper, Matthew Douglas Vera, Joshua James Sabatini
  • Patent number: 7365087
    Abstract: This invention provides compounds of the formula: wherein A?, X and Y are defined in the specification. These compounds are useful as antibacterial agents.
    Type: Grant
    Filed: December 13, 2006
    Date of Patent: April 29, 2008
    Assignee: Wyeth
    Inventors: Phaik-Eng Sum, David Brian How, Darrin William Hopper, Matthew Douglas Vera, Joshua James Sabatini
  • Publication number: 20080064667
    Abstract: This invention provides compounds of the formula: wherein A?, X and Y are defined in the specification. These compounds are useful as antibacterial agents.
    Type: Application
    Filed: December 13, 2006
    Publication date: March 13, 2008
    Applicant: Wyeth
    Inventors: Phaik-Eng Sum, David How, Darrin Hopper, Matthew Vera, Joshua Sabatini
  • Publication number: 20070225327
    Abstract: The present invention relates to biaryl sulfonamides and their use as, for example, metalloproteinase inhibitors.
    Type: Application
    Filed: May 31, 2007
    Publication date: September 27, 2007
    Applicant: Wyeth
    Inventors: Jason Xiang, Steve Tam, Yonghan Hu, Phaik-Eng Sum, David How, Darrin Hopper, Matthew Vera, Joshua Sabatini, Thomas Rush, Elisabeth Morris, Katy Georgiadis
  • Patent number: 7268135
    Abstract: The present invention relates to biaryl sulfonamides and their use as, for example, metalloproteinase inhibitors.
    Type: Grant
    Filed: December 1, 2004
    Date of Patent: September 11, 2007
    Assignee: Wyeth
    Inventors: Jason Shaoyun Xiang, Steve Yikkai Tam, Yonghan Hu, Phaik-Eng Sum, David Brian How, Darrin William Hopper, Matthew Douglas Vera, Joshua James Sabatini, Thomas Saltmarsh Rush, III
  • Publication number: 20070178574
    Abstract: This invention relates to aggrecanase polypeptides and aggrecanase polypeptide/ligand complexes, crystals of aggrecanase and aggrecanase polypeptide/ligand complexes, and related methods and software systems.
    Type: Application
    Filed: August 24, 2006
    Publication date: August 2, 2007
    Applicant: WYETH
    Inventors: Lydia Mosyak, Thomas Rush, Xiaotian Zhong, Thomas McDonagh, Katy Georgiadis, Phaik-Eng Sum, Edward LaVallie, Lisa Collins-Racie, Christopher Corcoran, Ravindra Kumar, Tracy Hebert, Stephane Olland, Stewart Mackie
  • Publication number: 20070049563
    Abstract: Methods of preparing and purifying tetracyclines, such as tigecycline, are disclosed. Also disclosed are tetracycline compositions, such as tigecycline compositions, prepared by these methods.
    Type: Application
    Filed: May 25, 2006
    Publication date: March 1, 2007
    Inventors: Lalitha Krishnan, Phaik-Eng Sum, Sylvain Daigneault, Michel Bernatchez, Anthony Pilcher, Jeffrey Horne, Adam Tuper, Joseph McCauley, Adam Michaud
  • Publication number: 20070049564
    Abstract: This invention provides compounds of Formula I having the structure where R1, R2, R3 and A are defined in the specification or a pharmaceutically acceptable salt thereof useful as antibacterial agents. Compounds according to Formula (II): where Q, R4, R5, R6 and R10 and A are defined in the specification are useful as chemical intermediates.
    Type: Application
    Filed: August 31, 2006
    Publication date: March 1, 2007
    Applicant: Wyeth
    Inventors: Phaik-Eng Sum, Tarek Mansour, David How, Darrin Hopper, Matthew Vera, Joshua Sabatini, Jaechul Shim
  • Publication number: 20070049562
    Abstract: Methods of preparing and purifying tetracyclines, such as tigecycline, are disclosed. Also disclosed are tetracycline compositions, such as tigecycline compositions, prepared by these methods.
    Type: Application
    Filed: May 25, 2006
    Publication date: March 1, 2007
    Inventors: Lalitha Krishnan, Phaik-Eng Sum, Sylvain Daigneault, Michel Bernatchez, Anthony Pilcher, Jeffrey Horne, Adam Tuper, Joseph McCauley, Adam Michaud
  • Patent number: RE40086
    Abstract: The disclosure is drawn to a method of using novel 7-substituted-9-(substituted amino)-6-demethyl-6-deoxytetracycline compounds to treat infections caused by a wide spectrum of bacterial organisms, including those which are resistant to tetracycline.
    Type: Grant
    Filed: December 23, 2005
    Date of Patent: February 19, 2008
    Assignee: Wyeth Holdings Corporation
    Inventors: Joseph J. Hlavka, Phaik-Eng Sum, Yakov Gluzman, Ving J. Lee, Adma A. Ross
  • Patent number: RE40183
    Abstract: The invention is drawn to 7-substituted-9-(substituted amino)-6-demethyl-6-deoxytetracycline compounds of the formula wherein R, X, R5 and R6 are defined in the specification. The compounds of the invention are useful as broad spectrum antibiotics.
    Type: Grant
    Filed: June 3, 2005
    Date of Patent: March 25, 2008
    Assignee: Wyeth Holdings Corporation
    Inventors: Joseph J. Hlavka, Phaik-Eng Sum, Yakov Gluzman, Ving J. Lee, Adma A. Ross