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).

  • Publication number: 20220098181
    Abstract: The invention encompasses compounds having formula I-V and the compositions and methods using these compounds in the treatment of conditions in which modulation of the JAK pathway or inhibition of JAK kinases, particularly JAK3, may be therapeutically useful.
    Type: Application
    Filed: November 2, 2021
    Publication date: March 31, 2022
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Hui Li, Sambaiah Thota, David Carroll, Ankush Argade, Kin Tso, Arvinder Sran, Jeffrey Clough, Holger Keim, Somasekhar Bhamidipati, Vanessa Taylor, Robin Cooper, Rajinder Singh, Brian Wong
  • Publication number: 20220098175
    Abstract: Disclosed are benzimidazole compounds, as well as pharmaceutical compositions and methods of use thereof. One embodiment is a compound having the structure and pharmaceutically acceptable salts, prodrugs and N-oxides thereof (and solvates and hydrates thereof), wherein R1, R2, R3, R4, Y and X are as described herein. In certain embodiments, a compound disclosed herein activates AMPK, and can be used to treat disease by activating the AMPK pathway.
    Type: Application
    Filed: October 13, 2021
    Publication date: March 31, 2022
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Simon Shaw, Xiang Xu, Sarkiz Issakani, Rajinder Singh, Yasumichi Hitoshi, Matthew Duncton, Nan Lin
  • Patent number: 11279686
    Abstract: Aspects of the present disclosure include compounds that activate Nrf2. Such compounds find use in the treatment of autoimmune and inflammatory diseases and disorders, such as for example psoriasis and multiple sclerosis. Embodiments of the present disclosure also relate 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: October 20, 2020
    Date of Patent: March 22, 2022
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Matthew Duncton, Rajinder Singh
  • Publication number: 20220081385
    Abstract: The present invention relates to novel pharmaceutically acceptable salts of Bempedoic acid, novel intermediates of Bempedoic acid, novel crystalline form of Bempedoic acid and novel processes for the preparation of Bempedoic acid or its intermediates thereof.
    Type: Application
    Filed: December 27, 2019
    Publication date: March 17, 2022
    Inventors: Navnath Ambadas Kadam, Rohidas Shivaji Sulake, Rajinder Singh Siyan, Nandu Baban Bhise, Girij Pal Singh, Rajesh Harishankar Vyas
  • Publication number: 20220073536
    Abstract: The present invention provides methods of treating or preventing autoimmune diseases with 2,4-pyrimidinediamine compounds, as well as methods of treating, preventing or ameliorating symptoms associated with such diseases. Specific examples of autoimmune diseases that can be treated or prevented with the compounds include rheumatoid arthritis and/or its associated symptoms, systemic lupus erythematosus and/or its associated symptoms and multiple sclerosis and/or its associated symptoms.
    Type: Application
    Filed: November 19, 2021
    Publication date: March 10, 2022
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Rajinder Singh, Ankush Argade, Hui Li, Somasekhar Bhamidipati, David Carroll, Catherine Sylvain, Jeffrey Clough, Holger Keim
  • Patent number: 11266643
    Abstract: Compounds are provided that are useful as immunomodulators. The compounds have the Formula (I) including stereoisomers and pharmaceutically acceptable salts thereof, wherein R1a, R1b, R1c, R1d, R2a, R2b, R3, R3a, R4, R6, R7, R8, A, Z, X1 and n are as defined herein. Methods associated with preparation and use of such compounds, as well as pharmaceutical compositions comprising such compounds, are also disclosed.
    Type: Grant
    Filed: May 14, 2020
    Date of Patent: March 8, 2022
    Assignee: ChemoCentryx, Inc.
    Inventors: Pingchen Fan, Christopher Lange, Venkat Reddy Mali, Darren J. McMurtrie, Viengkham Malathong, Sreenivas Punna, Rajinder Singh, Ju Yang, Yibin Zeng, Penglie Zhang
  • Publication number: 20220040163
    Abstract: The present application relates generally to compounds useful for the treatment and/or enhancement of cognitive dysfunction and negative symptoms associated with CNS disorders where the circuitry involving fast spiking PV+ interneurons and the production of cortical gamma oscillations is disrupted. The subject disclosure enables the manufacture of medicaments as well as compositions containing same for use in methods of therapy and prophylaxis of cognitive dysfunction and negative symptoms.
    Type: Application
    Filed: September 20, 2019
    Publication date: February 10, 2022
    Inventors: Hamish TOOP, Rajinder SINGH, Erin SMITH, Dharam PAUL, Patrick BAZZINI, Jean-Marie CONTRERAS, Christophe MORICE, Florence CHERY, Fabrice GARRIDO
  • Publication number: 20220024907
    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: October 5, 2021
    Publication date: January 27, 2022
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Hui Li, Thilo J. Heckrodt, Yan Chen, Darren John McMurtrie, Vanessa Taylor, Rajinder Singh, Pingyu Ding, Rose Yen
  • Patent number: 11230554
    Abstract: The present invention provides methods of treating or preventing autoimmune diseases with 2,4-pyrimidinediamine compounds, as well as methods of treating, preventing or ameliorating symptoms associated with such diseases. Specific examples of autoimmune diseases that can be treated or prevented with the compounds include rheumatoid arthritis and/or its associated symptoms, systemic lupus erythematosis and/or its associated symptoms and multiple sclerosis and/or its associated symptoms.
    Type: Grant
    Filed: March 21, 2019
    Date of Patent: January 25, 2022
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Rajinder Singh, Ankush Argade, Hui Li, Somasekhar Bhamidipati, David Carroll, Catherine Sylvain, Jeffrey Clough, Holger Keim
  • Publication number: 20220009912
    Abstract: Compounds are provided as chemokine inhibitors having the structure:
    Type: Application
    Filed: March 4, 2021
    Publication date: January 13, 2022
    Inventors: Xi CHEN, Dean R. DRAGOLI, Junfa FAN, Jaroslaw KALISIAK, Antoni KRASINSKI, Manmohan Reddy LELETI, Venkat MALI, Jeffrey McMAHON, Rajinder SINGH, Hiroko TANAKA, Ju YANG, Chao YU, Penglie ZHANG
  • Patent number: 11220496
    Abstract: Compounds and embodiments of a method for treating and/or preventing autoimmune diseases are disclosed. The method includes administering to a subject having an autoimmune disease, such as an inflammatory bowel disease, a therapeutically effective amount of a compound according to formula I wherein X and Y independently are O or NR1; each R1 is independently H or C1-C6 alkyl; ring A is aryl; each R2 independently is H, alkyl, alkoxy, amide, cyano, halo, haloalkyl, hydroxyalkyl, heteroalkyl, heterocyclyl, sulfonyl, sulfonamide, or two R2 groups, taken together with the atom or atoms to which they are attached, combine to form a 4-10 membered ring system; p is 0, 1, 2, 3, or 4; R3 and R4 independently are H or C1-C6 alkyl; and R5 is halo, cyano, or C1-C6 alkyl.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: January 11, 2022
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Esteban Masuda, Rajinder Singh, Vanessa Taylor, Donald G. Payan
  • Patent number: 11207294
    Abstract: The present disclosure provides, inter alia, methods of treating generalized pustular psoriasis (GPP) by administering an effective amount of a Chemokine Receptor 6 (CCR6) antagonist and/or a C—X—C motif chemokine receptor 2 (CXCR2) antagonist. Also provided herein are methods of modulating dysregulated IL-36 signaling in a subject in need thereof and methods of reducing neutrophil, inflammatory dendritic cell (iDC), and/or CD4 T cell accumulation in a subject in need thereof, said methods, include administering an effective amount of a Chemokine Receptor 6 (CCR6) antagonist and/or a C—X—C motif chemokine receptor 2 (CXCR2) antagonist.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: December 28, 2021
    Assignee: ChemoCentryx, Inc.
    Inventors: James J. Campbell, Karen Ebsworth, Antoni Krasinski, Venkat Reddy Mali, Jeffrey McMahon, Rajinder Singh, Ju Yang, Chao Yu, Penglie Zhang
  • Publication number: 20210396661
    Abstract: An exemplary catheter can be provided, which can include, for example a source fiber(s) configured to (i) receive a near infrared spectroscopic (NIRS) radiation, and (ii) provide the NIRS radiation to a portion(s) of a sample(s), a detection fiber(s) configured to receive a return radiation from the sample(s) that can be based on the NIRS radiation that was provided to the portion(s) of the sample(s), and an ablation electrode(s) configured to ablate the sample(s) based on the return radiation. The source fiber(s), the detection fiber(s), and the ablation electrode(s) can be integrated into the single sheath. The ablation electrode(s) can be a radiofrequency ablation electrode.
    Type: Application
    Filed: June 19, 2020
    Publication date: December 23, 2021
    Inventors: CHRISTINE HENDON, RAJINDER SINGH-MOON, JAMES MCLEAN, SOO YOUNG PARK
  • Patent number: 11198689
    Abstract: The invention encompasses compounds having formula I-V and the compositions and methods using these compounds in the treatment of conditions in which modulation of the JAK pathway or inhibition of JAK kinases, particularly JAK3, may be therapeutically useful.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: December 14, 2021
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Hui Li, Sambaiah Thota, David Carroll, Ankush Argade, Kin Tso, Arvinder Sran, Jeffrey Clough, Holger Keim, Somasekhar Bhamidipati, Vanessa Taylor, Robin Cooper, Rajinder Singh, Brian Wong
  • Publication number: 20210355124
    Abstract: The present invention relates generally to chemical compounds of formula (I) and methods for their use and preparation. In particular, the invention relates to chemical compounds which are useful in relation to the treatment of diseases, disorders or conditions which would benefit from the modulation of the alpha 7 nicotinic acetylcholine receptor (?7 nAChR), such as anxiety, depression and stress related disorders.
    Type: Application
    Filed: October 18, 2019
    Publication date: November 18, 2021
    Inventors: Lorna Mitchell, Hamish Toop, Belinda Huff, Justin Ripper, Rajinder Singh, Christophe Morice, Jean-Marie Contreras, Patrick Bazzini, Laurent Schaeffer, Mathieu Michaut
  • Patent number: 11174251
    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: October 17, 2019
    Date of Patent: November 16, 2021
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Hui Li, Thilo J. Heckrodt, Yan Chen, Darren John McMurtrie, Vanessa Taylor, Rajinder Singh, Pingyu Ding, Rose Yen
  • Patent number: 11174246
    Abstract: Disclosed are benzimidazole compounds, as well as pharmaceutical compositions and methods of use thereof. One embodiment is a compound having the structure and pharmaceutically acceptable salts, prodrugs and N-oxides thereof (and solvates and hydrates thereof), wherein R1, R2, R3, R4, Y and X are as described herein. In certain embodiments, a compound disclosed herein activates AMPK, and can be used to treat disease by activating the AMPK pathway.
    Type: Grant
    Filed: August 15, 2017
    Date of Patent: November 16, 2021
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Simon Shaw, Xiang Xu, Sarkiz Issakani, Rajinder Singh, Yasumichi Hitoshi, Matthew Duncton, Nan Lin
  • Publication number: 20210346361
    Abstract: The present disclosure provides, inter alia, methods of treating a solid-tumor by administering an effective amount of a Chemokine Receptor 2 (CCR2) antagonist. Also provided herein are methods of reducing the number of macrophages in a solid tumor microenvironment, said method comprising administering effective amount of a Chemokine Receptor 2 (CCR2) antagonist. In an additional aspect, the current disclosure further provides methods of increasing the number CD8+ T cells in a solid tumor microenvironment, said method comprising administering effective amount of a Chemokine Receptor 2 (CCR2) antagonist.
    Type: Application
    Filed: December 21, 2020
    Publication date: November 11, 2021
    Inventors: James J. CAMPBELL, Rajinder SINGH, Samuel HWANG, Xuesong WU
  • Patent number: 11159772
    Abstract: An electronic doorbell system can be configured to allow simultaneous video and audio communication to a user on a computing device in which the video is provided by a camera that is selected from among multiple available cameras provided at different locations, while the audio is provided by a microphone of the doorbell system such as a microphone associated with the doorbell or a selected camera. User input can allow selection of one or more cameras. When multiple cameras are selected, the system can take an audio/video feed from the cameras in predetermined sequence or random sequence based on events observed by the system The camera could be selected by default, based on user input, and/or automatically using artificial intelligence. Selection by artificial intelligence could comprise, for example, selecting a camera based on a detected motion and/or sound, a captured image matching a predetermined image and/or a captured sound matching a predetermined sound.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: October 26, 2021
    Assignee: Arlo Technologies, Inc.
    Inventors: Rajinder Singh, Justin Maggard, Dnyanesh Patil, Dennis Aldover, Nisheeth Gupta
  • Patent number: RE48898
    Abstract: The present disclosure provides prodrugs of biologically active 2,4-pyrimidinediamine compounds, salts and hydrates of the prodrugs, compositions comprising the prodrugs, intermediates and methods for synthesizing the prodrugs and methods of using the prodrugs in a variety of applications.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: January 25, 2022
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Somasekhar Bhamidipati, Rajinder Singh, Thomas Sun, Esteban Masuda