Patents by Inventor Chandrasekar Venkataramani

Chandrasekar Venkataramani 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).

  • Publication number: 20140031361
    Abstract: The present invention is directed to compounds of formula I-II and pharmaceutically acceptable tautomers, salts, or stereoisomers thereof which are inhibitors of syk and/or JAK kinase. The present invention is also directed to intermediates used in making such compounds, the preparation of such a compound, pharmaceutical compositions containing such a compound, methods of inhibition syk and/or JAK kinase activity, methods of inhibition the platelet aggregation, and methods to prevent or treat a number of conditions mediated at least in part by syk and/or JAK kinase activity, such as undesired thrombosis and Non Hodgkin's Lymphoma.
    Type: Application
    Filed: June 13, 2013
    Publication date: January 30, 2014
    Inventors: Shawn M. Bauer, Zhaozhong J. Jia, Yonghong Song, Qing Xu, Mukund Mehrotra, Jack W. Rose, Wolin Huang, Chandrasekar Venkataramani, Anjali Pandey
  • Patent number: 8586732
    Abstract: The present disclosure relates to compounds that are sodium channel inhibitors and to their use in the treatment of various disease states, including cardiovascular diseases and diabetes. In particular embodiments, the structure of the compounds is given by Formula I: wherein Z1, Z2, Z3, Z4, X, Y, R2, R3 and R4 are as described herein, to methods for the preparation and use of the compounds and to pharmaceutical compositions containing the same.
    Type: Grant
    Filed: June 29, 2012
    Date of Patent: November 19, 2013
    Assignee: Gilead Sciences, Inc.
    Inventors: Britton Kenneth Corkey, Elfatih Elzein, Robert H. Jiang, Rao V. Kalla, Dmitry Koltun, Xiaofen Li, Ruben Martinez, Eric Q. Parkhill, Thao Perry, Jeff Zablocki, Chandrasekar Venkataramani, Michael Graupe, Juan Guerrero
  • Patent number: 8575353
    Abstract: Disclosed are novel compounds having the structure of Formula (I): which are useful for treating a human for dependence upon substances of addiction, for example addiction to a dopamine-producing agent such as cocaine, morphine, amphetamines, nicotine, and/or alcohol. Also disclosed are pharmaceutical compositions comprising a therapeutically effective amount of a compound of Formula (I) and methods of using the compounds of Formula (I) in the treatment of addiction to a dopamine-producing agent.
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: November 5, 2013
    Assignee: Gilead Sciences, Inc.
    Inventors: Carina E. Cannizzaro, Michael Graupe, Juan A. Guerrero, Yafan Lu, Robert G. Strickley, Chandrasekar Venkataramani, Jeff Zablocki
  • Patent number: 8558001
    Abstract: Disclosed are novel compounds having the structure of Formula (I): which are useful for treating mammals for dependence upon substances of addiction, for example addiction to a dopamine-producing agent such as cocaine, morphine, amphetamines, nicotine, and/or alcohol. Also disclosed are pharmaceutical compositions comprising a therapeutically effective amount of a compound of Formula (I) and methods of using the compounds of Formula (I) in the treatment of addiction to a dopamine-producing agent.
    Type: Grant
    Filed: June 29, 2012
    Date of Patent: October 15, 2013
    Assignee: Gilead Sciences, Inc.
    Inventors: Carina E. Cannizzaro, Michael Graupe, Juan A. Guerrero, Yafan Lu, Robert G. Strickley, Chandrasekar Venkataramani, Jeff Zablocki
  • Publication number: 20130231325
    Abstract: Disclosed are novel isoflavone derivatives having the structure of Formula I: which are ALDH-2 inhibitors, useful for treating a patient in need thereof, for dependence upon drugs of addiction, for example addiction to dopamine-producing agent such as cocaine, morphine, amphetamines, nicotine, and alcohol.
    Type: Application
    Filed: August 30, 2012
    Publication date: September 5, 2013
    Applicant: Gilead Sciences. Inc.
    Inventors: Michael Graupe, Chandrasekar Venkataramani, Jeff Zablocki
  • Patent number: 8518874
    Abstract: The present invention is directed to compounds that are antiviral agents. Specifically the compounds of the present invention inhibit replication of HCV and are therefore useful in treating hepatitis C infections. The present invention is also directed to pharmaceutical compositions comprising these compounds and processes for preparing them.
    Type: Grant
    Filed: October 23, 2009
    Date of Patent: August 27, 2013
    Assignee: Virobay, Inc.
    Inventors: Michael Graupe, John O. Link, Chandrasekar Venkataramani
  • Patent number: 8501944
    Abstract: The present invention is directed to a compound of the formula: and pharmaceutically acceptable tautomers, or salts thereof which are inhibitors of syk and/or JAK kinase. The present invention is also directed to pharmaceutical compositions containing such a compound.
    Type: Grant
    Filed: January 30, 2012
    Date of Patent: August 6, 2013
    Assignee: Portola Pharmaceuticals, Inc.
    Inventors: Shawn M. Bauer, Zhaozhong J. Jia, Mukund Mehrotra, Yonghong Song, Qing Xu, Wolin Huang, Chandrasekar Venkataramani, Jack W. Rose, Anjali Pandey
  • Patent number: 8431610
    Abstract: The present invention provides a compound of general Formula (I) having histone deacetylase (HDAC) inhibitory activity, a pharmaceutical composition comprising the compound, and a method useful to treat diseases using the compound.
    Type: Grant
    Filed: July 31, 2012
    Date of Patent: April 30, 2013
    Assignee: Gilead Sciences, Inc.
    Inventors: Michael Graupe, Chandrasekar Venkataramani
  • Publication number: 20130012492
    Abstract: The present disclosure relates to compounds that are sodium channel inhibitors and to their use in the treatment of various disease states, including cardiovascular diseases and diabetes. In particular embodiments, the structure of the compounds is given by Formula I: wherein Z1, Z2, Z3, Z4, X, Y, R2, R3 and R4 are as described herein, to methods for the preparation and use of the compounds and to pharmaceutical compositions containing the same.
    Type: Application
    Filed: June 29, 2012
    Publication date: January 10, 2013
    Inventors: Britton Kenneth Corkey, Elfatih Elzein, Robert H. Jiang, Rao V. Kalla, Dmitry Koltun, Xiaofen Li, Ruben Martinez, Eric Q. Parkhill, Thao Perry, Jeff Zablocki, Chandrasekar Venkataramani, Michael Graupe, Juan Guerrero
  • Patent number: 8349860
    Abstract: The present invention is directed to compounds of formula I-V and tautomers thereof or pharmaceutically acceptable salts, esters, and prodrugs thereof which are inhibitors of syk kinase. The present invention is also directed to intermediates used in making such compounds, the preparation of such a compound, pharmaceutical compositions containing such a compound, methods of inhibition syk kinase activity, methods of inhibition the platelet aggregation, and methods to prevent or treat a number of conditions mediated at least in part by syk kinase activity, such as undesired thrombosis and Non Hodgkin's Lymphoma.
    Type: Grant
    Filed: October 17, 2011
    Date of Patent: January 8, 2013
    Assignee: Portola Pharmaceuticals, Inc.
    Inventors: Zhaozhong J. Jia, Chandrasekar Venkataramani, Wolin Huang, Mukund Mehrotra, Yonghong Song, Qing Xu, Shawn M. Bauer, Jack W. Rose, Brian Kane, Anjali Pandey
  • Publication number: 20130005706
    Abstract: The present disclosure relates to compounds that are sodium channel inhibitors and to their use in the treatment of various disease states, including cardiovascular diseases and diabetes. In particular embodiments, the structure of the compounds is given by Formula I: wherein Y, Z, n, R1 and R3 are as described herein, to methods for the preparation and use of the compounds and to pharmaceutical compositions containing the same.
    Type: Application
    Filed: June 29, 2012
    Publication date: January 3, 2013
    Inventors: Britton Kenneth Corkey, Elfatih Elzein, Robert H. Jiang, Rao V. Kalla, Dmitry Koltun, Xiaofen Li, Ruben Martinez, Eric Q. Parkhill, Thao Perry, Jeff Zablocki, Chandrasekar Venkataramani, Michael Graupe, Juan Guerrero
  • Publication number: 20130005689
    Abstract: Disclosed are novel compounds having the structure of Formula (I): which are useful for treating mammals for dependence upon substances of addiction, for example addiction to a dopamine-producing agent such as cocaine, morphine, amphetamines, nicotine, and/or alcohol. Also disclosed are pharmaceutical compositions comprising a therapeutically effective amount of a compound of Formula (I) and methods of using the compounds of Formula (I) in the treatment of addiction to a dopamine-producing agent.
    Type: Application
    Filed: June 29, 2012
    Publication date: January 3, 2013
    Applicant: Gilead Sciences, Inc.
    Inventors: Carina E. Cannizzaro, Michael Graupe, Juan A. Guerrero, Yafan Lu, Robert G. Strickley, Chandrasekar Venkataramani, Jeff Zablocki
  • Patent number: 8344018
    Abstract: A compound of general Formula (I) having histone deacetylase (HDAC) and/or CDK inhibitory activity, a pharmaceutical composition comprising the compound, and a method useful to treat diseases using the compound.
    Type: Grant
    Filed: July 14, 2009
    Date of Patent: January 1, 2013
    Assignee: Gilead Sciences, Inc.
    Inventors: Michael Graupe, Chandrasekar Venkataramani
  • Publication number: 20120301426
    Abstract: The present invention provides a compound of general Formula (I) having histone deacetylase (HDAC) inhibitory activity, a pharmaceutical composition comprising the compound, and a method useful to treat diseases using the compound.
    Type: Application
    Filed: July 31, 2012
    Publication date: November 29, 2012
    Applicant: Gilead Sciences, Inc.
    Inventors: Michael Graupe, Chandrasekar Venkataramani
  • Patent number: 8318755
    Abstract: The present invention is directed to compounds of formula I-V and tautomers thereof or pharmaceutically acceptable salts, esters, and prodrugs thereof which are inhibitors of syk kinase. The present invention is also directed to intermediates used in making such compounds, the preparation of such a compound, pharmaceutical compositions containing such a compound, methods of inhibition syk kinase activity, methods of inhibition the platelet aggregation, and methods to prevent or treat a number of conditions mediated at least in part by syk kinase activity, such as undesired thrombosis and Non Hodgkin's Lymphoma.
    Type: Grant
    Filed: October 7, 2011
    Date of Patent: November 27, 2012
    Assignee: Portola Pharmaceuticals, Inc.
    Inventors: Zhaozhong J. Jia, Chandrasekar Venkataramani, Wolin Huang, Mukund Mehrotra, Yonghong Song, Qing Xu, Shawn M. Bauer, Jack W. Rose, Brian Kane, Anjali Pandey
  • Publication number: 20120289493
    Abstract: The present disclosure relates to compounds that are sodium channel inhibitors and to their use in the treatment of various disease states, including cardiovascular diseases and diabetes. In particular embodiments, the structure of the compounds is given by Formula I: wherein Q, R1, X1, X2, Y and R2 are as described herein, to methods for the preparation and use of the compounds and to pharmaceutical compositions containing the same.
    Type: Application
    Filed: May 8, 2012
    Publication date: November 15, 2012
    Inventors: Britton Kenneth Corkey, Elfatih Elzein, Robert H. Jiang, Rao V. Kalla, Tetsuya Kobayashi, Dmitry Koltun, Xiaofen Li, Ruben Martinez, Gregory Notte, Eric Q. Parkhill, Thao Perry, Jeff Zablocki, Chandrasekar Venkataramani, Michael Graupe, Juan Guerrero
  • Patent number: 8283357
    Abstract: The present invention provides a compound of general Formula (I) having histone deacetylase (HDAC) inhibitory activity, a pharmaceutical composition comprising the compound, and a method useful to treat diseases using the compound.
    Type: Grant
    Filed: June 7, 2010
    Date of Patent: October 9, 2012
    Assignee: Gilead Sciences, Inc.
    Inventor: Chandrasekar Venkataramani
  • Patent number: 8258316
    Abstract: The present invention provides a compound of general Formula (I) having histone deacetylase (HDAC) inhibitory activity, a pharmaceutical composition comprising the compound, and a method useful to treat diseases using the compound.
    Type: Grant
    Filed: June 7, 2010
    Date of Patent: September 4, 2012
    Assignee: Gilead Sciences, Inc.
    Inventors: Michael Graupe, Chandrasekar Venkataramani
  • Patent number: 8198299
    Abstract: The present invention provides a compound of general Formula (I) having histone deacetylase (HDAC) inhibitory activity, a pharmaceutical composition comprising the compound, and a method useful to treat diseases using the compound.
    Type: Grant
    Filed: October 28, 2011
    Date of Patent: June 12, 2012
    Assignee: Gilead Sciences, Inc.
    Inventors: Lawrence S. Melvin, Jr., Michael Graupe, Chandrasekar Venkataramani, Juan A. Guerrero
  • Publication number: 20120130073
    Abstract: The present invention is directed to compounds of formula I-V and tautomers thereof or pharmaceutically acceptable salts, esters, and prodrugs thereof which are inhibitors of syk kinase. The present invention is also directed to intermediates used in making such compounds, the preparation of such a compound, pharmaceutical compositions containing such a compound, methods of inhibition syk kinase activity, methods of inhibition the platelet aggregation, and methods to prevent or treat a number of conditions mediated at least in part by syk kinase activity, such as undesired thrombosis and Non Hodgkin's Lymphoma.
    Type: Application
    Filed: October 7, 2011
    Publication date: May 24, 2012
    Applicant: Portola Pharmaceuticals, Inc.
    Inventors: Zhaozhong Jia, Chandrasekar Venkataramani, Wolin Huang, Mukund Mehrotra, Yonghong Song, Qing Xu, Shawn M. Bauer, Jack W. Rose, Brian Kane, Anjali Pandey