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).

  • Publication number: 20120010407
    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 12, 2012
    Inventors: Hui Li, Thilo J. Heckrodt, Yan Chen, Vanessa Taylor, Rajinder Singh, Pingyu Ding, Rose Yen
  • Publication number: 20120010406
    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 12, 2012
    Inventors: Hui Li, Thilo J. Heckrodt, Yan Chen, Vanessa Taylor, Rajinder Singh, Pingyu Ding, Rose Yen
  • Publication number: 20110281846
    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: Application
    Filed: July 26, 2011
    Publication date: November 17, 2011
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Dane Goff, Jing Zhang, Rajinder Singh, Sacha Holland, Jiaxin Yu, Pingyu Ding, Joane Litvak
  • Patent number: 8053434
    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: Grant
    Filed: September 1, 2009
    Date of Patent: November 8, 2011
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Pingyu Ding, Ankush Argade, Dane Goff, Rajinder Singh, Esteban Masuda, Vanessa Taylor, Sacha Holland
  • Patent number: 8012965
    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: December 28, 2007
    Date of Patent: September 6, 2011
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Dane Goff, Jing Zhang, Rajinder Singh, Sacha Holland, Jiaxin Yu, Pingyu Ding, Joane Litvak
  • Publication number: 20110183986
    Abstract: Polycyclic aryl and 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 catalytic activity are also disclosed.
    Type: Application
    Filed: April 1, 2011
    Publication date: July 28, 2011
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Rajinder Singh, Dane Goff, Jiaxin Yu, Sacha Holland, Thilo J. Heckrodt, Pingyu Ding, Joane Litvak, Jing Zhang
  • Patent number: 7935693
    Abstract: Polycyclic aryl and 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 catalytic activity are also disclosed.
    Type: Grant
    Filed: December 29, 2007
    Date of Patent: May 3, 2011
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Rajinder Singh, Dane Goff, Jiaxin Yu, Sacha Holland, Jing Zhang, Thilo J. Heckrodt, Pingyu Ding, Joane Litvak
  • Publication number: 20110098274
    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: January 7, 2011
    Publication date: April 28, 2011
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Dane Goff, Jing Zhang, Rajinder Singh, Sacha Holland, Jiaxin Yu, Thilo J. Heckrodt, Pingyu Ding, Joane Litvak
  • Publication number: 20110071133
    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: December 1, 2010
    Publication date: March 24, 2011
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Dane Goff, Jing Zhang, Rajinder Singh, Sacha Holland, Jiaxin Yu, Pingyu Ding, Thilo J. Heckrodt, Joane Litvak
  • Publication number: 20100190770
    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: January 22, 2010
    Publication date: July 29, 2010
    Applicant: RIGEL PHARMACEUTICALS, INC.
    Inventors: Hui Li, Thilo J. Heckrodt, Yan Chen, Darren John McMurtrie, Vanessa Taylor, Rajinder Singh, Pingyu Ding, Sambaiah Thota, Rose Yen
  • Publication number: 20100168416
    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 9, 2010
    Publication date: July 1, 2010
    Applicant: RIGEL PHARMACEUTICALS, INC.
    Inventors: Dane Goff, Jing Zhang, Rajinder Singh, Sacha Holland, Jiaxin Yu, Thilo J. Heckrodt, Pingyu Ding, Joane Litvak
  • Patent number: 7709482
    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: December 29, 2007
    Date of Patent: May 4, 2010
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Dane Goff, Jing Zhang, Rajinder Singh, Sacha Holland, Jiaxin Yu, Thilo J. Heckrodt, Pingyu Ding, Joane Litvak
  • Publication number: 20100069369
    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 1, 2009
    Publication date: March 18, 2010
    Applicant: RIGEL PHARMACEUTICALS, INC.
    Inventors: Pingyu Ding, Ankush Argade, Dane Goff, Rajinder Singh, Esteban Masuda, Vanessa Taylor, Sacha Holland
  • Publication number: 20090258864
    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: Application
    Filed: February 13, 2009
    Publication date: October 15, 2009
    Applicant: 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
  • Patent number: 7601713
    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: Grant
    Filed: December 15, 2006
    Date of Patent: October 13, 2009
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Pingyu Ding, Ankush Argade, Dane Goff, Rajinder Singh, Esteban Masuda, Vanessa Taylor, Sacha Holland
  • Publication number: 20090111816
    Abstract: Polycyclic aryl and 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 catalytic activity are also disclosed.
    Type: Application
    Filed: December 29, 2007
    Publication date: April 30, 2009
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Rajinder Singh, Dane Goff, Jiaxin Yu, Sacha Holland, Thilo J. Heckrodt, Pingyu Ding, Joane Litvak, Jing Zhang
  • Publication number: 20080188454
    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: December 28, 2007
    Publication date: August 7, 2008
    Applicant: RIGEL PHARMACEUTICALS, INC.
    Inventors: Dane Goff, Jing Zhang, Rajinder Singh, Sacha Holland, Jiaxin Yu, Pingyu Ding, Thilo J. Heckrodt, Joane Litvak
  • Publication number: 20080188474
    Abstract: 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: December 28, 2007
    Publication date: August 7, 2008
    Applicant: RIGEL PHARMACEUTICALS, INC.
    Inventors: Dane Goff, Jing Zhang, Catherine Sylvain, Rajinder Singh, Sacha Holland, Jiaxin Yu, Thilo J. Heckrodt, Pingyu Ding
  • Publication number: 20080188455
    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: December 29, 2007
    Publication date: August 7, 2008
    Applicant: RIGEL PHARMACEUTICALS, INC.
    Inventors: Dane Goff, Jing Zhang, Rajinder Singh, Sacha Holland, Jiaxin Yu, Thilo J. Heckrodt, Pingyu Ding, Joane Litvak
  • Publication number: 20080182862
    Abstract: N3-Heteroaryl substituted triazoles and N5-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: December 28, 2007
    Publication date: July 31, 2008
    Applicant: RIGEL PHARMACEUTICALS, INC.
    Inventors: Pingyu Ding, Dane Goff, Jing Zhang, Rajinder Singh, Sacha Holland, Jiaxin Yu, Thilo J. Heckrodt, Joane Litvak