Patents by Inventor Lihren Chen

Lihren Chen 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: 8283373
    Abstract: This invention provides chemical inhibitors of the activity of various phospholipase enzymes, particularly cytosolic phospholipase A2 enzymes (cPLA2), more particularly including inhibitors of cytosolic phospholipase A2 alpha enzymes (cPLA2?). In some embodiments, the inhibitors have the Formula I: wherein the constituent variables are as defined herein.
    Type: Grant
    Filed: June 19, 2009
    Date of Patent: October 9, 2012
    Assignee: Pfizer Inc.
    Inventors: John C. McKew, Katherine L. Lee, Lihren Chen, Richard Vargas, James D. Clark, Cara Williams, Valerie Clerin, Suzana Marusic, Kevin Pong
  • Patent number: 7906548
    Abstract: This invention provides methods for the use of substituted indole compounds of the general formula: and pharmaceutically acceptable salt forms thereof. The invention provides methods for the use of the compounds as inhibitors of the activity of various phospholipase enzymes, particularly phospholipase A2 enzymes, and for the medical treatment, prevention and inhibition diseases and disorders including asthma, stroke, atherosclerosis, multiple sclerosis, Parkinson's disease, arthritic disorders, rheumatic disorders, central nervous system damage resulting from stroke, central nervous system damage resulting from ischemia, central nervous system damage resulting from trauma, inflammation caused or potentiated by prostaglandins, inflammation caused or potentiated by leukotrienes, inflammation caused or potentiated by platelet activation factor, pain caused or potentiated by prostaglandins, pain caused or potentiated by leukotrienes, and pain caused or potentiated by platelet activation factor.
    Type: Grant
    Filed: August 11, 2009
    Date of Patent: March 15, 2011
    Assignee: Wyeth LLC
    Inventors: John C. McKew, Steve Y. Tam, Katherine L. Lee, Lihren Chen, Paresh Thakker, Fuk-Wah Sum, Mark L. Behnke, Baihua Hu, James D. Clark, Wei Li, Valerie Clerin, Suzana Marusic, Kevin Pong
  • Patent number: 7713964
    Abstract: This invention provides methods for treating in mammals asthma and asthmatic conditions using substituted indole compounds of the general formula: and pharmaceutically acceptable salt forms thereof, and methods for using the compounds as inhibitors of the activity of various phospholipase enzymes, particularly phospholipase A2 enzymes, and for the medical treatment, prevention and inhibition of pain and inflammation.
    Type: Grant
    Filed: November 22, 2002
    Date of Patent: May 11, 2010
    Assignee: Wyeth LLC
    Inventors: John C. McKew, Steven Y. Tam, Katherine L. Lee, Lihren Chen, Paresh Thakker, Fuk-Wah Sum, Mark Behnke, Baihua Hu, James D. Clark
  • Publication number: 20100035957
    Abstract: This invention provides methods for the use of substituted indole compounds of the general formula: and pharmaceutically acceptable salt forms thereof. The invention provides methods for the use of the compounds as inhibitors of the activity of various phospholipase enzymes, particularly phospholipase A2 enzymes, and for the medical treatment, prevention and inhibition diseases and disorders including asthma, stroke, atherosclerosis, multiple sclerosis, Parkinson's disease, arthritic disorders, rheumatic disorders, central nervous system damage resulting from stroke, central nervous system damage resulting from ischemia, central nervous system damage resulting from trauma, inflammation caused or potentiated by prostaglandins, inflammation caused or potentiated by leukotrienes, inflammation caused or potentiated by platelet activation factor, pain caused or potentiated by prostaglandins, pain caused or potentiated by leukotrienes, and pain caused or potentiated by platelet activation factor.
    Type: Application
    Filed: August 11, 2009
    Publication date: February 11, 2010
    Inventors: John C. McKew, Steve Y. Tam, Katherine L. Lee, Lihren Chen, Paresh Thakker, Fuk-Wah Sum, Mark L. Behnke, Baihua Hu, James D. Clark, Wei Li, Valerie Clerin, Suzana Marusic, Kevin Pong
  • Publication number: 20100029648
    Abstract: This invention relates to inhibiting 11?HSD1.
    Type: Application
    Filed: August 11, 2009
    Publication date: February 4, 2010
    Inventors: Jason Shaoyun Xiang, Eddine Saiah, Steve Y. Tam, John C. McKew, Lihren Chen, Manus Ipek, Katherine Lee, Huan-Qiu Li, Jianchang Li, Wei Li, Tarek Suhayl Mansour, Vipin Suri, Richard Vargas, Yuchuan Wu, Zhao-Kui Wan, Jinbo Lee, Eva Binnun, Douglas P. Wilson
  • Publication number: 20100029645
    Abstract: This invention provides chemical inhibitors of the activity of various phospholipase enzymes, particularly cytosolic phospholipase A2 enzymes (cPLA2), more particularly including inhibitors of cytosolic phospholipase A2 alpha enzymes (cPLA2?). In some embodiments, the inhibitors have the Formula I: wherein the constituent variables are as defined herein.
    Type: Application
    Filed: June 19, 2009
    Publication date: February 4, 2010
    Inventors: John C. McKew, Katherine L. Lee, Lihren Chen, Richard Vargas, James D. Clark, Cara Williams, Valerie Clerin, Suzana Marusic, Kevin Pong
  • Publication number: 20100022536
    Abstract: This invention provides chemical inhibitors of the activity of various phospholipase enzymes, particularly cytosolic phospholipase A2 enzymes (cPLA2), more particularly including inhibitors of cytosolic phospholipase A2 alpha enzymes (cPLA2?). In some embodiments, the inhibitors have the Formula I: wherein the constituent variables are as defined herein.
    Type: Application
    Filed: June 19, 2009
    Publication date: January 28, 2010
    Inventors: John C. McKew, Katherine L. Lee, Lihren Chen, Richard Vargas, James D. Clark, Cara Williams, Valerie Clerin, Suzana Marusic, Kevin Pong
  • Patent number: 7632838
    Abstract: This invention relates to inhibiting 11?HSD1.
    Type: Grant
    Filed: February 7, 2007
    Date of Patent: December 15, 2009
    Assignee: Wyeth
    Inventors: Jason Shaoyun Xiang, Eddine Saiah, Steve Y. Tam, John C. Mckew, Lihren Chen, Manus Ipek, Huan-Qiu Li, Jianchang Li, Wei Li, Tarek Suhayl Mansour, Vipin Suri, Yuchuan Wu, Zhao-Kui Wan, Jinbo Lee, Eva Binnun, Douglas P. Wilson
  • Patent number: 7605156
    Abstract: This invention provides methods for the use of substituted indole compounds of the general formula: and pharmaceutically acceptable salt forms thereof. The invention provides methods for the use of the compounds as inhibitors of the activity of various phospholipase enzymes, particularly phospholipase A2 enzymes, and for the medical treatment, prevention and inhibition diseases and disorders including asthma, stroke, atherosclerosis, multiple sclerosis, Parkinson's disease, arthritic disorders, rheumatic disorders, central nervous system damage resulting from stroke, central nervous system damage resulting from ischemia, central nervous system damage resulting from trauma, inflammation caused or potentiated by prostaglandins, inflammation caused or potentiated by leukotrienes, inflammation caused or potentiated by platelet activation factor, pain caused or potentiated by prostaglandins, pain caused or potentiated by leukotrienes, and pain caused or potentiated by platelet activation factor.
    Type: Grant
    Filed: May 27, 2005
    Date of Patent: October 20, 2009
    Assignee: Wyeth
    Inventors: John C. McKew, Steve Y. Tam, Katherine L. Lee, Lihren Chen, Paresh Thakker, Fuk-Wah Sum, Mark L. Behnke, Baihua Hu, James D. Clark, Wei Li, Valerie Clerin, Suzana Marusic, Kevin Pong
  • Patent number: 7557135
    Abstract: This invention provides chemical inhibitors of the activity of various phospholipase enzymes, particularly cytosolic phospholipase A2 enzymes (cPLA2), more particularly including inhibitors of cytosolic phospholipase A2 alpha enzymes (cPLA2?). In some embodiments, the inhibitors have the Formula I: wherein the constituent variables are as defined herein.
    Type: Grant
    Filed: May 26, 2006
    Date of Patent: July 7, 2009
    Assignee: Wyeth
    Inventors: John C. McKew, Katherine L. Lee, Lihren Chen, Richard Vargas, James D. Clark, Cara Williams, Valerie Clerin, Suzana Marusic, Kevin Pong
  • Publication number: 20070219198
    Abstract: This invention relates to inhibiting 11?HSD1.
    Type: Application
    Filed: February 7, 2007
    Publication date: September 20, 2007
    Applicant: Wyeth
    Inventors: Jason Xiang, Eddine Saiah, Steve Tam, John Mckew, Lihren Chen, Manus Ipek, Katherine Lee, Huan-Qiu Li, Jianchang Li, Wei Li, Tarek Mansour, Vipin Suri, Richard Vargas, Yuchuan Wu, Zhao-Kui Wan, Jinbo Lee, Eva Binnun, Douglas Wilson
  • Publication number: 20070004719
    Abstract: This invention provides chemical inhibitors of the activity of various phospholipase enzymes, particularly cytosolic phospholipase A2 enzymes (cPLA2), more particularly including inhibitors of cytosolic phospholipase A2 alpha enzymes (cPLA2?). In some embodiments, the inhibitors have the Formula I: wherein the constituent variables are as defined herein.
    Type: Application
    Filed: May 26, 2006
    Publication date: January 4, 2007
    Applicant: Wyeth
    Inventors: John McKew, Katherine Lee, Lihren Chen, Richard Vargas, James Clark, Cara Williams, Valerie Clerin, Suzan Marusic, Kevin Pong
  • Patent number: 7101875
    Abstract: This invention provides methods for treating in mammals arthritic or rheumatic disorders using substituted indole compounds of the general formula: and pharmaceutically acceptable salt forms thereof, and methods for using the compounds as inhibitors of the activity of various phospholipase enzymes, particularly phospholipase A2 enzymes, and for the medical treatment, prevention and inhibition of pain and inflammation.
    Type: Grant
    Filed: November 22, 2002
    Date of Patent: September 5, 2006
    Assignee: Wyeth
    Inventors: John C. McKew, Steve Y. Tam, Katherine L. Lee, Lihren Chen, Paresh Thakker, Fuk-Wah Sum, Mark Behnke, Baihua Hu, James D. Clark
  • Publication number: 20060014759
    Abstract: This invention provides methods for the use of substituted indole compounds of the general formula: and pharmaceutically acceptable salt forms thereof. The invention provides methods for the use of the compounds as inhibitors of the activity of various phospholipase enzymes, particularly phospholipase A2 enzymes, and for the medical treatment, prevention and inhibition diseases and disorders including asthma, stroke, atherosclerosis, multiple sclerosis, Parkinson's disease, arthritic disorders, rheumatic disorders, central nervous system damage resulting from stroke, central nervous system damage resulting from ischemia, central nervous system damage resulting from trauma, inflammation caused or potentiated by prostaglandins, inflammation caused or potentiated by leukotrienes, inflammation caused or potentiated by platelet activation factor, pain caused or potentiated by prostaglandins, pain caused or potentiated by leukotrienes, and pain caused or potentiated by platelet activation factor.
    Type: Application
    Filed: May 27, 2005
    Publication date: January 19, 2006
    Applicant: Wyeth
    Inventors: John McKew, Steven Tam, Katherine Lee, Lihren Chen, Paresh Thakker, Fuk-Wah Sum, Mark Behnke, Baihua Hu, James Clark, Wei Li, Valerie Clerin, Suzana Marusic, Kevin Pong
  • Patent number: 6984735
    Abstract: A process for making an aromatic aldehyde in which a sulfoxide is reacted with a dihalogenated aromatic compound in the absence of an effective amount of an activating reagent. The aldehyde may then be used to make other compounds, such as a compound that acts as a cPLA inhibitor.
    Type: Grant
    Filed: November 26, 2003
    Date of Patent: January 10, 2006
    Assignee: Wyeth
    Inventors: John C. McKew, Steven Y. Tam, Katherine L. Lee, Lihren Chen, Paresh Thakker, Fuk-Wah Sum, Mark Behnke, Baihua Hu, James D. Clark, Wei Li
  • Patent number: 6900223
    Abstract: The present invention provides a compound of formula I and the use thereof for the immunotherapeutic treatment of transplant rejection, autoimmune disease or graft vs. host disease.
    Type: Grant
    Filed: July 28, 2003
    Date of Patent: May 31, 2005
    Assignee: Wyeth
    Inventors: Neal Jeffrey Green, Steve Yikkai Tam, Jason Shaoyun Xiang, Audrey Molina Davies, Lihren Chen, Gary Paul Stack
  • Patent number: 6833374
    Abstract: The present invention provides a compound of formula I and the use thereof for the immunotherapeutic treatment of transplant rejection, autoimmune disease or graft vs. host disease.
    Type: Grant
    Filed: July 28, 2003
    Date of Patent: December 21, 2004
    Assignee: Wyeth
    Inventors: Neal Jeffrey Green, Lihren Chen, Steve Yikkai Tam
  • Patent number: 6797708
    Abstract: This invention provides substituted indole compounds of the general formula: and pharmaceutically acceptable salt forms thereof, and methods for using the compounds as inhibitors of the activity of various phospholipase enzymes, particularly phospholipase A2 enzymes, and for the medical treatment, prevention and inhibition of pain and inflammation.
    Type: Grant
    Filed: November 22, 2002
    Date of Patent: September 28, 2004
    Assignee: Wyeth
    Inventors: John C. McKew, Steven Y. Tam, Katherine L. Lee, Lihren Chen, Paresh Thakker, Fuk-Wah Sum, Mark Behnke, Baihua Hu, James D. Clark
  • Patent number: 6734190
    Abstract: The present invention provides a compound of formula I and the use thereof for the immunotherapeutic treatment of transplant rejection or autoimmune disease.
    Type: Grant
    Filed: July 28, 2003
    Date of Patent: May 11, 2004
    Assignee: Wyeth
    Inventors: Neal Jeffrey Green, Jason Shaoyun Xiang, Audrey Molina Davies, Lihren Chen
  • Publication number: 20040082785
    Abstract: A process for making an aromatic aldehyde in which a sulfoxide is reacted with a dihalogenated aromatic compound in the absence of an effective amount of an activating reagent. The aldehyde may then be used to make other compounds, such as a compound that acts as a cPLA inhibitor.
    Type: Application
    Filed: November 26, 2003
    Publication date: April 29, 2004
    Applicant: Wyeth
    Inventors: John C. McKew, Steven Y. Tam, Katherine L. Lee, Lihren Chen, Paresh Thakker, Fuk-Wah Sum, Mark Behnke, Baihua Hu, James D. Clark, Wei Li