Patents by Inventor Rajinder Singh

Rajinder Singh 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).

  • Protein kinase C inhibitors and uses thereof
    Patent number: 9169249
    Abstract: This disclosure concerns compounds which are useful as inhibitors of protein kinase C (PKC) and are thus useful for treating a variety of diseases and disorders that are mediated or sustained through the activity of PKC. This disclosure also relates to pharmaceutical compositions comprising these compounds, methods of using these compounds in the treatment of various diseases and disorders, processes for preparing these compounds and intermediates useful in these processes.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: October 27, 2015
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Rajinder Singh, Matthew Duncton, Jing Zhang, Salvador Alvarez, Kin Tso, Sacha Holland, Rose Yen, Rao Kolluri, Thilo Heckrodt, Yan Chen, Esteban Masuda, Hui Li, Donald G. Payan
  • Amine Derivatives as Potassium Channel Blockers
    Publication number: 20150299184
    Abstract: The present invention relates to compounds useful in the modulation of potassium channel activity in cells, in particular the activity of Kv1.3 channels found in T cells. The invention also relates to the use of these compounds in the treatment or prevention of autoimmune and inflammatory diseases, including multiple sclerosis, pharmaceutical compositions containing these compounds and methods for their preparation.
    Type: Application
    Filed: March 25, 2015
    Publication date: October 22, 2015
    Inventors: Andrew Harvey, Agnes Bombrun, Rachel Cooke, Isabelle Jeanclaude-Etter, Nathan Kuchel, Jerome Molette, Jorgen Mould, Dharam Paul, Rajinder Singh, Cristina Donini, Veronique Colovray, Thomas Avery, Julia Crossman, Justin Ripper
  • 2,4-Pyrimidinediamine compounds and their uses
    Patent number: 9162989
    Abstract: The present invention provides 2,4-pyrimidinediamine compounds that inhibit the IgE and/or IgG receptor signaling cascades that lead to the release of chemical mediators, intermediates and methods of synthesizing the compounds and methods of using the compounds in a variety of contexts, including in the treatment and prevention of diseases characterized by, caused by or associated with the release of chemical mediators via degranulation and other processes effected by activation of the IgE and/or IgG receptor signaling cascades.
    Type: Grant
    Filed: February 19, 2015
    Date of Patent: October 20, 2015
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Rajinder Singh, Ankush Argade, Donald G. Payan, Susan Molineaux, Sacha J. Holland, Jeffrey Clough, Holger Keim, Somasekhar Bhamidipati, Catherine Sylvain, Hui Li, Alexander B. Rossi
  • Polycyclic heteroaryl substituted triazoles useful as axl inhibitors
    Patent number: 9156820
    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: April 24, 2014
    Date of Patent: October 13, 2015
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Dane Goff, Jing Zhang, Rajinder Singh, Sacha Holland, Jiaxin Yu, Thilo J. Heckrodt, Pingyu Ding, Joane Litvak
  • Protein kinase C inhibitors and uses thereof
    Patent number: 9149475
    Abstract: This disclosure concerns compounds which are useful as inhibitors of protein kinase C (PKC) and are thus useful for treating a variety of diseases and disorders that are mediated or sustained through the activity of PKC. This disclosure also relates to pharmaceutical compositions comprising these compounds, methods of using these compounds in the treatment of various diseases and disorders, processes for preparing these compounds and intermediates useful in these processes.
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: October 6, 2015
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Rajinder Singh, Hui Li, Haoran Zhao, Rao Kolluri, Kin Tso, John Ramphal, Shihai Gu, Carlos Valdez, Jing Zhang, Emily Stauffer, Matthew Duncton, Salvador Alvarez
  • GDF-8 inhibitors
    Patent number: 9145433
    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: Grant
    Filed: October 4, 2013
    Date of Patent: September 29, 2015
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Somasekhar Bhamidipati, Marina Gelman, Pingyu Ding, Rajinder Singh, Jeffrey Clough, Todd Kinsella, Donald Payan
  • 2,4-Pyrimidinediamine Compounds and Their Uses
    Publication number: 20150266828
    Abstract: The present invention provides 2,4-pyrimidinediamine compounds that inhibit the IgE and/or IgG receptor signaling cascades that lead to the release of chemical mediators, intermediates and methods of synthesizing the compounds and methods of using the compounds in a variety of contexts, including in the treatment and prevention of diseases characterized by, caused by or associated with the release of chemical mediators via degranulation and other processes effected by activation of the IgE and/or IgG receptor signaling cascades.
    Type: Application
    Filed: March 30, 2015
    Publication date: September 24, 2015
    Applicant: RIGEL PHARMACEUTICALS, INC.
    Inventors: Rajinder Singh, Ankush Argade, Donald Payan, Susan Molineaux, Sacha Holland, Jeffrey Clough, Holger Keim, Somasekhar Bhamidipati, Catherine Sylvain, Hui Li, Alexander Rossi
  • COMPOSITIONS AND METHODS FOR INHIBITION OF THE JAK PATHWAY
    Publication number: 20150259332
    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: May 29, 2015
    Publication date: September 17, 2015
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Hui Li, Thilo J. Heckrodt, Yan Chen, Darren John McMurtrie, Vanessa Taylor, Rajinder Singh, Pingyu Ding, Rose Yen
  • 2,4-pyridinediamine compounds and their uses
    Patent number: 9133133
    Abstract: The present invention provides 2,4-pyrimidinediamine compounds that inhibit the IgE and/or IgG receptor signaling cascades that lead to the release of chemical mediators, intermediates and methods of synthesizing the compounds and methods of using the compounds in a variety of contexts, including in the treatment and prevention of diseases characterized by, caused by or associated with the release of chemical mediators via degranulation and other processes effected by activation of the IgE and/or IgG receptor signaling cascades.
    Type: Grant
    Filed: June 19, 2014
    Date of Patent: September 15, 2015
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Rajinder Singh, Ankush Argade, Donald G. Payan, Susan Molineaux, Sacha J. Holland, Jeffrey Clough, Holger Keim, Somasekhar Bhamidipati, Catherine Sylvain, Hui Li, Alexander B. Rossi
  • Carboxamide Compounds and Methods for Using the Same
    Publication number: 20150232451
    Abstract: Disclosed are carboxamide compounds, as well as pharmaceutical compositions and methods of use. One embodiment is a compound having the structure in which R1, R2, R3, R4, D, J, Z, T, p, q, w and x are as described herein. In certain embodiments, a compound disclosed herein activates the AMPK pathway, and can be used to treat metabolism-related disorders and conditions.
    Type: Application
    Filed: May 6, 2015
    Publication date: August 20, 2015
    Inventors: Jiaxin Yu, Hui Hong, Ihab S. Darwish, Xiang Xu, Rajinder Singh
  • Cyclopropyl MIDA boronate
    Patent number: 9108990
    Abstract: This disclosure concerns a protected cyclopropylboronic acid comprising a substituted cyclopropyl group and a boronic ester group having a protecting group. The protecting group is an N-methyliminodiacetic acid (MIDA) group or MIDA-based group.
    Type: Grant
    Filed: March 27, 2014
    Date of Patent: August 18, 2015
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Matthew Duncton, Rajinder Singh
  • POLYCYCLIC HETEROARYL SUBSTITUTED TRIAZOLES USEFUL AS AXL INHIBITORS
    Publication number: 20150216864
    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: April 16, 2015
    Publication date: August 6, 2015
    Inventors: Rajinder Singh, Thilo J. Heckrodt, Sacha Holland
  • Protein kinase C inhibitors and uses thereof
    Patent number: 9095593
    Abstract: This disclosure concerns compounds which are useful as inhibitors of protein kinase C (PKC) and are thus useful for treating a variety of diseases and disorders that are mediated or sustained through the activity of PKC. This disclosure also relates to pharmaceutical compositions comprising these compounds, methods of using these compounds in the treatment of various diseases and disorders, processes for preparing these compounds and intermediates useful in these processes.
    Type: Grant
    Filed: February 6, 2013
    Date of Patent: August 4, 2015
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Haoran Zhao, Rao Kolluri, Carlos Valdez, Kin Tso, Rajinder Singh, John Ramphal
  • Kinase inhibitors and their uses
    Patent number: 9096542
    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 23, 2011
    Date of Patent: August 4, 2015
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Pingyu Ding, Ankush Argade, Dane Goff, Rajinder Singh, Esteban Masuda, Vanessa Taylor, Sacha Holland
  • Compositions and methods for inhibition of the JAK pathway
    Patent number: 9084795
    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: July 16, 2013
    Date of Patent: July 21, 2015
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Hui Li, Thilo Heckrodt, Yan Chen, Vanessa Taylor, Rajinder Singh, Pingyu Ding, Rose Yen
  • Polycyclic heteroaryl substituted triazoles useful as Axl inhibitors
    Patent number: 9079898
    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 21, 2012
    Date of Patent: July 14, 2015
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Rajinder Singh, Thilo J. Heckrodt, Sacha Holland
  • Compositions and methods for inhibition of the JAK pathway
    Patent number: 9067925
    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: November 26, 2012
    Date of Patent: June 30, 2015
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Hui Li, Thilo J. Heckrodt, Yan Chen, Darren John McMurtrie, Vanessa Taylor, Rajinder Singh, Pingyu Ding, Rose Yen
  • Alpha-7 NICOTINIC ACETYLCHOLINE RECEPTOR MODULATORS AND USES THEROF-I
    Publication number: 20150175534
    Abstract: The present invention relates to chemical compounds of formula (I), with the substituents as described in the specification, useful in the positive modulation of the alpha 7 nicotinic acetylcholine receptor (?7 nAChR). The invention also relates to the use of these compounds in the treatment or prevention of a broad range of diseases in which the positive modulation of ?7 nAChR is advantageous, including neurodegenerative and neuropsychiatric diseases and also neuropathic pain and inflammatory diseases.
    Type: Application
    Filed: August 1, 2013
    Publication date: June 25, 2015
    Inventors: Andrew Harvey, Thomas Avery, Dharam Paul, Justin Ripper, Belinda Huff, Rajinder Singh, Laurent Schaeffer, Christophe Joseph, Christophe Morice, Bruno Giethlen
  • Carboxamide compounds and methods for using the same
    Patent number: 9062052
    Abstract: Disclosed are carboxamide compounds, as well as pharmaceutical compositions and methods of use. One embodiment is a compound having the structure in which R1, R2, R3, R4, D, J, Z, T, p, q, w and x are as described herein. In certain embodiments, a compound disclosed herein activates the AMPK pathway, and can be used to treat metabolism-related disorders and conditions.
    Type: Grant
    Filed: September 22, 2014
    Date of Patent: June 23, 2015
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Jiaxin Yu, Hui Hong, Ihab S. Darwish, Xiang Xu, Rajinder Singh
  • Protein kinase C inhibitors and uses thereof
    Patent number: 9062068
    Abstract: This disclosure concerns compounds which are useful as inhibitors of protein kinase C (PKC) and are thus useful for treating a variety of diseases and disorders that are mediated or sustained through the activity of PKC. This disclosure also relates to pharmaceutical compositions that include these compounds, methods of using these compounds in the treatment of various diseases and disorders, processes for preparing these compounds and intermediates useful in these processes.
    Type: Grant
    Filed: December 3, 2013
    Date of Patent: June 23, 2015
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Rao Kolluri, Esteban Masuda, Kin Tso, Salvador Alvarez, Thilo Heckrodt, Sacha Holland, Ryan Kelley, Matthew Duncton, Rajinder Singh, Darren McMurtrie