Patents by Inventor Pingyu Ding

Pingyu Ding 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).

  • GDF-8 Inhibitors
    Publication number: 20140107073
    Abstract: Described are GCF-8 inhibitors of the formula (I), and pharmaceutically acceptable salts thereof, wherein n, R1, R2, R5, R6, X and Z are defined herein. Also provided are pharmaceutical compositions comprising the same. Such compounds and compositions are useful in methods for inhibiting GDF-8 in a cell and methods for treating a patient suffering from a disease or disorder, wherein the patient would therapeutically benefit from an increase in mass or strength of muscle tissue.
    Type: Application
    Filed: October 4, 2013
    Publication date: April 17, 2014
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Somasekhar Bhamidipati, Marina Gelman, Pingyu Ding, Rajinder Singh, Jeffrey Clough, Todd Kinsella, Donald Payan
  • 2, 4-pyrimidinediamine compounds and prodrugs thereof and their uses
    Patent number: 8618095
    Abstract: The present disclosure provides biologically active 2,4-pyrimidinediamine compounds of formulae (I) and (II): and salts thereof, compositions comprising these compounds, and methods of using these compounds in a variety of applications.
    Type: Grant
    Filed: April 13, 2011
    Date of Patent: December 31, 2013
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Jiaxin Yu, Jeffrey Clough, Rajinder Singh, Pingyu Ding, Somasekhar Bhamidipati
  • Polycyclic heteroaryl substituted triazoles useful as axl inhibitors
    Patent number: 8618331
    Abstract: Polycyclic heteroaryl substituted triazoles and pharmaceutical compositions containing the compounds are disclosed as being useful in inhibiting the activity of the receptor protein tyrosine kinase Axl. Methods of using the compounds in treating diseases or conditions associated with Axl activity are also disclosed.
    Type: Grant
    Filed: March 9, 2010
    Date of Patent: December 31, 2013
    Assignee: Rigel Pharmaceuticals Inc.
    Inventors: Dane Goff, Jing Zhang, Rajinder Singh, Sacha Holland, Jiaxin Yu, Thilo J. Heckrodt, Pingyu Ding, Joane Litvak
  • Bridged bicyclic aryl and bridged bicyclic heteroaryl substituted triazoles useful as Axl inhibitors
    Patent number: 8609650
    Abstract: Bridged bicyclic aryl or heteroaryl substituted triazoles and pharmaceutical compositions containing the compounds are disclosed as being useful in inhibiting the activity of the receptor protein tyrosine kinase Axl. Methods of using the compounds in treating diseases or conditions associated with Axl activity are also disclosed.
    Type: Grant
    Filed: July 26, 2011
    Date of Patent: December 17, 2013
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Dane Goff, Jing Zhang, Rajinder Singh, Sacha Holland, Jiaxin Yu, Pingyu Ding, Joane Litvak
  • COMPOSITIONS AND METHODS FOR INHIBITION OF THE JAK PATHWAY
    Publication number: 20130310364
    Abstract: Disclosed are compounds of formula I, compositions containing them, and methods of use for the compounds and compositions in the treatment of conditions in which modulation of the JAK pathway or inhibition of JAK kinases, particularly JAK 2 and JAK3, are therapeutically useful.
    Type: Application
    Filed: July 16, 2013
    Publication date: November 21, 2013
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Hui Li, Thilo Heckrodt, Yan Chen, Vanessa Taylor, Rajinder Singh, Pingyu Ding, Rose Yen
  • BICYCLIC ARYL AND BICYCLIC HETEROARYL SUBSTITUTED TRIAZOLES USEFUL AS AXL INHIBITORS
    Publication number: 20130281468
    Abstract: Bicyclic aryl substituted triazoles or heteroaryl substituted triazoles and pharmaceutical compositions containing the compounds are disclosed as being useful in inhibiting the activity of the receptor protein tyrosine kinase Axl. Methods of using the compounds in treating diseases or conditions associated with Axl activity are also disclosed.
    Type: Application
    Filed: June 14, 2013
    Publication date: October 24, 2013
    Inventors: Dane Goff, Jing Zhang, Rajinder Singh, Sacha Holland, Thilo J. Heckrodt, Pingyu Ding, Jiaxin Yu, Joane Litvak
  • Pinane-substituted pyrimidinediamine derivatives useful as Axl inhibitors
    Patent number: 8563559
    Abstract: Pinane-substituted pyrimidinediamine derivatives and pharmaceutical compositions containing the derivatives are disclosed as being useful in inhibiting the activity of the receptor protein tyrosine kinase Axl. Methods of using the derivatives in treating diseases or conditions associated with Axl catalytic activity are also disclosed.
    Type: Grant
    Filed: December 15, 2011
    Date of Patent: October 22, 2013
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Rajinder Singh, Pingyu Ding, Sacha Holland, Dane Goff
  • Bicyclic aryl and bicyclic heteroaryl substituted triazoles useful as Axl inhibitors
    Patent number: 8492373
    Abstract: Bicyclic aryl substituted triazoles or heteroaryl substituted triazoles and pharmaceutical compositions containing the compounds are disclosed as being useful in inhibiting the activity of the receptor protein tyrosine kinase Axl. Methods of using the compounds in treating diseases or conditions associated with Axl activity are also disclosed.
    Type: Grant
    Filed: December 1, 2010
    Date of Patent: July 23, 2013
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Dane Goff, Jing Zhang, Rajinder Singh, Sacha Holland, Thilo J. Heckrodt, Pingyu Ding, Jiaxin Yu, Joane Litvak
  • PYRIMIDINE-2-AMINE COMPOUNDS AND THEIR USE AS INHIBITORS OF JAK KINASES
    Publication number: 20130018041
    Abstract: This invention is directed to compounds of formula (I): where n, m, Y, R1, R2, R3, R4 and R5 are disclosed herein, as isolated stereoisomers or mixtures thereof, or pharmaceutically acceptable salts thereof; pharmaceutical compositions comprising the compounds of formula (I); and methods of using the compounds and the pharmaceutical compositions in treating diseases or conditions associated with JAK2 activity.
    Type: Application
    Filed: September 14, 2012
    Publication date: January 17, 2013
    Applicant: Rigel Pharmaceutical, Inc.
    Inventors: Somasekhar Bhamidipati, Jeffrey Clough, Ankush Argade, Rajinder Singh, Vadim Markovtosov, Pingyu Ding, Jiaxin Yu, Andy Atuegbu, Hui Hong, Ihab Darwish, Sambaiah Thota
  • Compositions and methods for inhibition of the JAK pathway
    Patent number: 8343954
    Abstract: Disclosed are compounds of formula I, compositions containing them, and methods of use for the compounds and compositions in the treatment of conditions in which modulation of the JAK pathway or inhibition of JAK kinases, particularly JAK 2 and JAK3, are therapeutically useful. Also disclosed are methods of making the compounds.
    Type: Grant
    Filed: July 27, 2011
    Date of Patent: January 1, 2013
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Hui Li, Thilo J. Heckrodt, Yan Chen, Darren John McMurtrie, Vanessa Taylor, Rajinder Singh, Pingyu Ding, Rose Yen
  • Compositions and methods for inhibition of the JAK pathway
    Patent number: 8324200
    Abstract: Disclosed are compounds of formula I, compositions containing them, and methods of use for the compounds and compositions in the treatment of conditions in which modulation of the JAK pathway or inhibition of JAK kinases, particularly JAK 2 and JAK3, are therapeutically useful.
    Type: Grant
    Filed: January 22, 2010
    Date of Patent: December 4, 2012
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Hui Li, Thilo J. Heckrodt, Yan Chen, Darren John McMurtrie, Vanessa Taylor, Rajinder Singh, Pingyu Ding, Sambaiah Thota, Rose Yen
  • Pyrimidine-2-amine compounds and their use as inhibitors of JAK kinases
    Patent number: 8309566
    Abstract: This invention is directed to compounds of formula (I): where n, m, Y, R1, R2, R3, R4 and R5 are disclosed herein, as isolated stereoisomers or mixtures thereof, or as pharmaceutically acceptable salts thereof; pharmaceutical compositions comprising the compounds of formula (I); and methods of using the compounds and the pharmaceutical compositions in treating diseases or conditions associated with JAK2 activity.
    Type: Grant
    Filed: February 13, 2009
    Date of Patent: November 13, 2012
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Somasekhar Bhamidipati, Jeffrey Clough, Ankush Argade, Rajinder Singh, Vadim Markovtosov, Pingyu Ding, Jiaxin Yu, Andy Atuegbu, Hui Hong, Ihab Darwish, Sambaiah Thota
  • POLYCYCLIC HETEROARYL SUBSTITUTED TRIAZOLES USEFUL AS AXL INHIBITORS
    Publication number: 20120264740
    Abstract: Polycyclic heteroaryl substituted triazoles and pharmaceutical compositions containing the compounds are disclosed as being useful in inhibiting the activity of the receptor protein tyrosine kinase Axl. Methods of using the compounds in treating diseases or conditions associated with Axl activity are also disclosed.
    Type: Application
    Filed: March 19, 2012
    Publication date: October 18, 2012
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Dane Goff, Jing Zhang, Rajinder Singh, Sacha Holland, Jiaxin Yu, Thilo J. Heckrodt, Pingyu Ding, Joane Litvak
  • Polycyclic heteroaryl substituted triazoles useful as Axl inhibitors
    Patent number: 8168636
    Abstract: Polycyclic heteroaryl substituted triazoles and pharmaceutical compositions containing the compounds are disclosed as being useful in inhibiting the activity of the receptor protein tyrosine kinase Axl. Methods of using the compounds in treating diseases or conditions associated with Axl activity are also disclosed.
    Type: Grant
    Filed: January 7, 2011
    Date of Patent: May 1, 2012
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Dane Goff, Jing Zhang, Rajinder Singh, Sacha Holland, Jiaxin Yu, Thilo J. Heckrodt, Pingyu Ding, Joane Litvak
  • PINANE-SUBSTITUTED PYRIMIDINEDIAMINE DERIVATIVES USEFUL AS AXL INHIBITORS
    Publication number: 20120088768
    Abstract: Pinane-substituted pyrimidinediamine derivatives and pharmaceutical compositions containing the derivatives are disclosed as being useful in inhibiting the activity of the receptor protein tyrosine kinase Axl. Methods of using the derivatives in treating diseases or conditions associated with Axl catalytic activity are also disclosed.
    Type: Application
    Filed: December 15, 2011
    Publication date: April 12, 2012
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Rajinder Singh, Pingyu Ding, Sacha Holland, Dane Goff
  • COMPOSITIONS AND METHODS FOR INHIBITION OF THE JAK PATHWAY
    Publication number: 20120028923
    Abstract: Disclosed are compounds of formula I, compositions containing them, and methods of use for the compounds and compositions in the treatment of conditions in which modulation of the JAK pathway or inhibition of JAK kinases, particularly JAK 2 and JAK3, are therapeutically useful. Also disclosed are methods of making the compounds.
    Type: Application
    Filed: July 27, 2011
    Publication date: February 2, 2012
    Inventors: Hui Li, Thilo J. Heckrodt, Yan Chen, Darren John McMurtrie, Vanessa Taylor, Rajinder Singh, Pingyu Ding, Rose Yen
  • COMPOSITIONS AND METHODS FOR INHIBITION OF THE JAK PATHWAY
    Publication number: 20120016131
    Abstract: Disclosed are compounds of formula I, compositions containing them, and methods of use for the compounds and compositions in the treatment of conditions in which modulation of the JAK pathway or inhibition of JAK kinases, particularly JAK 2 and JAK3, are therapeutically useful.
    Type: Application
    Filed: September 22, 2011
    Publication date: January 19, 2012
    Inventors: Hui Li, Thilo J. Heckrodt, Yan Chen, Vanessa Taylor, Rajinder Singh, Pingyu Ding, Rose Yen
  • COMPOSITIONS AND METHODS FOR INHIBITION OF THE JAK PATHWAY
    Publication number: 20120016122
    Abstract: Disclosed are compounds of formula I, compositions containing them, and methods of use for the compounds and compositions in the treatment of conditions in which modulation of the JAK pathway or inhibition of JAK kinases, particularly JAK 2 and JAK3, are therapeutically useful.
    Type: Application
    Filed: September 22, 2011
    Publication date: January 19, 2012
    Inventors: Hui Li, Thilo J. Heckrodt, Yan Chen, Vanessa Taylor, Rajinder Singh, Pingyu Ding, Rose Yen
  • Kinase Inhibitors And Their Uses
    Publication number: 20120015937
    Abstract: The present disclosure provides compounds that inhibit protein kinases, such as JAK, Axl, or Syk kinases, compositions comprising the compounds and methods of using the compounds to inhibit protein kinase and treat and/or prevent diseases associated with inappropriate kinase activity.
    Type: Application
    Filed: September 23, 2011
    Publication date: January 19, 2012
    Applicant: RIGEL PHARMACEUTICALS, INC.
    Inventors: Pingyu Ding, Ankush Argade, Dane Goff, Rajinder Singh, Esteban Masuda, Vanessa Taylor, Sacha Holland
  • Pinane-substituted pyrimidinediamine derivatives useful as Axl inhibitors
    Patent number: 8097630
    Abstract: Pinane-substituted pyrimidinediamine derivatives and pharmaceutical compositions containing the derivatives are disclosed as being useful in inhibiting the activity of the receptor protein tyrosine kinase Axl. Methods of using the derivatives in treating diseases or conditions associated with Axl catalytic activity are also disclosed.
    Type: Grant
    Filed: October 10, 2007
    Date of Patent: January 17, 2012
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Rajinder Singh, Pingyu Ding, Sacha Holland, Dane Goff