Patents by Inventor Sultan Chowdhury

Sultan Chowdhury 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).

  • Patent number: 11299490
    Abstract: This invention is directed to benzenesulfonamide compounds, as stereoisomers, enantiomers, tautomers thereof or mixtures thereof; or pharmaceutically acceptable salts, solvates or prodrugs thereof, for the treatment of diseases or conditions associated with voltage-gated sodium channels, such as epilepsy.
    Type: Grant
    Filed: July 28, 2020
    Date of Patent: April 12, 2022
    Assignee: Xenon Pharmaceuticals Inc.
    Inventors: Jean-Christophe Andrez, Kristen Nicole Burford, Sultan Chowdhury, Charles Jay Cohen, Christoph Martin Dehnhardt, Robert Joseph Devita, James Roy Empfield, Thilo Focken, Michael Edward Grimwood, Syed Abid Hasan, James Philip Johnson, Jr., Alla Yurevna Zenova
  • Patent number: 11203572
    Abstract: The invention provides compounds having the general formula I: and pharmaceutically acceptable salts thereof, wherein the variables RA, RAA, subscript n, ring A, X2, L, subscript m, X1, ring B, R1, and RN have the meaning as described herein, and compositions containing such compounds and methods for using such compounds and compositions.
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: December 21, 2021
    Assignees: GENENTECH, INC., XENON PHARMACEUTICALS, INC
    Inventors: Sultan Chowdhury, Christoph Martin Dehnhardt, Thilo Focken, Michael Edward Grimwood, Ivan William Hemeon, Steven McKerrall, Daniel Sutherlin
  • Patent number: 11174268
    Abstract: This invention is directed to benzenesulfonamide compounds, as stereoisomers, enantiomers, tautomers thereof or mixtures thereof; or pharmaceutically acceptable salts, solvates or prodrugs thereof, for the treatment of diseases or conditions associated with voltage-gated sodium channels, such as epilepsy and/or epileptic seizure disorders.
    Type: Grant
    Filed: March 2, 2020
    Date of Patent: November 16, 2021
    Assignee: Xenon Pharmaceuticals Inc.
    Inventors: Jean-Christophe Andrez, David Earl Bogucki, Kristen Nicole Burford, Sultan Chowdhury, Charles Jay Cohen, Shannon Marie Decker, Christoph Martin Dehnhardt, Robert Joseph Devita, James Roy Empfield, Thilo Focken, Michael Edward Grimwood, Syed Abid Hasan, Qi Jia, James Philip Johnson, Jr., Michael Scott Wilson, Alla Yurevna Zenova
  • Patent number: 11149002
    Abstract: The invention provides compounds having the general Formula (I); and pharmaceutically acceptable salts thereof; wherein the variables RA, RAA, subscript n, subscript q, ring A, X2, L, subscript m, X1, R1, R2, R3, R4, R5, D and E have the meaning as described herein, and compositions containing such compounds and methods for using such compounds and compositions.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: October 19, 2021
    Assignees: GENENTECH, INC., XENON PHARMACEUTICALS INC.
    Inventors: Jean-Christophe Andrez, Philippe Bergeron, Paul Robert Bichler, Sultan Chowdhury, Christoph Martin Dehnhardt, Thilo Focken, Wei Gong, Michael Edward Grimwood, Abid Hasan, Ivan William Hemeon, Qi Jia, Brian Salvatore Safina, Shaoyi Sun, Michael Scott Wilson, Alla Yurevna Zenova
  • Publication number: 20210171537
    Abstract: This invention is directed to benzenesulfonamide compounds, as stereoisomers, enantiomers, tautomers thereof or mixtures thereof; or pharmaceutically acceptable salts, solvates or prodrugs thereof, for the treatment of diseases or conditions associated with voltage-gated sodium channels, such as epilepsy and/or epileptic seizure disorders.
    Type: Application
    Filed: March 2, 2020
    Publication date: June 10, 2021
    Inventors: Jean-Christophe Andrez, David Earl Bogucki, Kristen Nicole Burford, Sultan Chowdhury, Charles Jay Cohen, Shannon Marie Decker, Christoph Martin Dehnhardt, Robert Joseph Devita, James Roy Empfield, Thilo Focken, Michael Edward Grimwood, Syed Abid Hasan, Qi Jia, James Philip Johnson, JR., Michael Scott Wilson, Alla Yurevna Zenova
  • Patent number: 10899732
    Abstract: The invention provides compounds having the general formula (I): and pharmaceutically acceptable salts thereof, wherein the variables RA, RAA, n, ring A, X2, L, m, R1, R2, R3, R4, R5, and RN have the meaning as described herein, and compositions containing such compounds and methods for using such compounds and compositions.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: January 26, 2021
    Assignees: GENENTECH, INC., XENON PHARMACEUTICALS INC.
    Inventors: Chien-an Chen, Sultan Chowdhury, Shannon Marie Decker, Christoph Martin Dehnhardt, Ivan William Hemeon, Steven McKerrall, Brian Salvatore Safina, Tao Sheng, Dan Sutherlin
  • Publication number: 20200354354
    Abstract: This invention is directed to benzenesulfonamide compounds, as stereoisomers, enantiomers, tautomers thereof or mixtures thereof; or pharmaceutically acceptable salts, solvates or prodrugs thereof, for the treatment of diseases or conditions associated with voltage-gated sodium channels, such as epilepsy.
    Type: Application
    Filed: July 28, 2020
    Publication date: November 12, 2020
    Inventors: Jean-Christophe Andrez, Kristen Nicole Burford, Sultan Chowdhury, Charles Jay Cohen, Christoph Martin Dehnhardt, Robert Joseph Devita, James Roy Empfield, Thilo Focken, Michael Edward Grimwood, Syed Abid Hasan, James Philip Johnson, JR., Alla Yurevna Zenova
  • Patent number: 10815229
    Abstract: This invention is directed to benzenesulfonamide compounds, as stereoisomers, enantiomers, tautomers thereof or mixtures thereof; or pharmaceutically acceptable salts, solvates or prodrugs thereof, for the treatment of diseases or conditions associated with voltage-gated sodium channels, such as epilepsy.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: October 27, 2020
    Assignee: Xenon Pharmaceuticals Inc.
    Inventors: Kristen Nicole Burford, Sultan Chowdhury, Christoph Martin Dehnhardt, Thilo Focken, Michael Edward Grimwood, Syed Abid Hasan
  • Patent number: 10787446
    Abstract: The invention provides a compound of formula: or a salt thereof, wherein the variables RAA, n, ring A, ring B, R1a, R1b, R2, R3, R4, R5, R6, R7, R8, and R9 have the meaning as described herein, and compositions containing such compounds and methods for using such compounds and compositions.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: September 29, 2020
    Assignees: GENENTECH, INC., XENON PHARMACEUTICALS INC.
    Inventors: Philippe Bergeron, Kristen Burford, Sultan Chowdhury, Christoph Martin Dehnhardt, Thilo Focken, Michael Edward Grimwood, Abid Hasan, Kwong Wah Lai, Zhiguo Liu, Steven McKerrall, Teresa Phuongtram Nguyen, Brian Safina, Daniel Sutherlin, Tao Wang
  • Patent number: 10766858
    Abstract: The invention provides compounds having the general formula I: (i) and pharmaceutically acceptable salts thereof, wherein the variables RA, RAA, subscript n, ring A, X2, L, subscript m, X1, ring B, R1, and RN have the meaning as described herein, and compositions containing such compounds and methods for using such compounds and compositions.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: September 8, 2020
    Assignees: GENENTECH, INC., XENON PHARMACEUTICALS INC.
    Inventors: Sultan Chowdhury, Christoph Martin Dehnhardt, Thilo Focken, Michael Edward Grimwood, Ivan William Hemeon, Steven McKerrall, Daniel Sutherlin
  • Patent number: 10662184
    Abstract: This invention is directed to methods of preparing benzenesulfonamide compounds, as stereoisomers, enantiomers, tautomers thereof or mixtures thereof; or pharmaceutically acceptable salts, solvates or prodrugs thereof, for the treatment of diseases or conditions associated with voltage-gated sodium channels, such as epilepsy.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: May 26, 2020
    Assignee: Xenon Pharmaceuticals Inc.
    Inventors: Jean-Christophe Andrez, Kristen Nicole Burford, Sultan Chowdhury, Charles Jay Cohen, Christoph Martin Dehnhardt, Robert Joseph Devita, James Roy Empfield, Thilo Focken, Michael Edward Grimwood, Syed Abid Hasan, James Philip Johnson, Jr., Alla Yurevna Zenova
  • Patent number: 10526285
    Abstract: The invention provides compounds having the general Formula (I); and pharmaceutically acceptable salts thereof; wherein the variables RA, RAA, subscript n, subscript q, ring A, X2, L, subscript m, X1, R1, R2, R3, R4, R5, D and E have the meaning as described herein, and compositions containing such compounds and methods for using such compounds and compositions.
    Type: Grant
    Filed: October 2, 2018
    Date of Patent: January 7, 2020
    Assignees: GENENTECH, INC., XENON PHARMACEUTICALS INC.
    Inventors: Jean-Christophe Andrez, Philippe Bergeron, Paul Robert Bichler, Sultan Chowdhury, Christoph Martin Dehnhardt, Thilo Focken, Wei Gong, Michael Edward Grimwood, Abid Hasan, Ivan William Hemeon, Qi Jia, Brian Salvatore Safina, Shaoyi Sun, Michael Scott Wilson, Alla Yurevna Zenova
  • Publication number: 20190194184
    Abstract: This invention is directed to methods of preparing benzenesulfonamide compounds, as stereoisomers, enantiomers, tautomers thereof or mixtures thereof; or pharmaceutically acceptable salts, solvates or prodrugs thereof, for the treatment of diseases or conditions associated with voltage-gated sodium channels, such as epilepsy.
    Type: Application
    Filed: February 28, 2019
    Publication date: June 27, 2019
    Inventors: Jean-Christophe Andrez, Kristen Nicole Burford, Sultan Chowdhury, Charles Jay Cohen, Christoph Martin Dehnhardt, Robert Joseph Devita, James Roy Empfield, Thilo Focken, Michael Edward Grimwood, Syed Abid Hasan, James Philip Johnson, JR., Alla Yurevna Zenova
  • Patent number: 10246453
    Abstract: This invention is directed to benzenesulfonamide compounds, as stereoisomers, enantiomers, tautomers thereof or mixtures thereof; or pharmaceutically acceptable salts, solvates or prodrugs thereof, for the treatment of diseases or conditions associated with voltage-gated sodium channels, such as epilepsy.
    Type: Grant
    Filed: May 19, 2017
    Date of Patent: April 2, 2019
    Assignee: Xenon Pharmaceuticals Inc.
    Inventors: Jean-Christophe Andrez, Kristen Nicole Burford, Sultan Chowdhury, Charles Jay Cohen, Christoph Martin Dehnhardt, Robert Joseph Devita, James Roy Empfield, Thilo Focken, Michael Edward Grimwood, Syed Abid Hasan, James Philip Johnson, Jr., Alla Yurevna Zenova
  • Patent number: 10179767
    Abstract: The invention provides compounds having activity as sodium channel (e.g., NaV1.7) inhibitors that are useful for treating sodium channel-mediated diseases or conditions, such as pain, as well as other diseases and conditions associated with the mediation of sodium channels, and compositions containing such compounds and methods for using such compounds and compositions.
    Type: Grant
    Filed: May 20, 2016
    Date of Patent: January 15, 2019
    Assignees: GENENTECH, INC., XENON PHARMACEUTICALS INC.
    Inventors: Sultan Chowdhury, Christoph Martin Dehnhardt, Abid Hasan, Ivan William Hemeon, Qi Jia, Jun Li, Zhiguo Liu, Daniel F. Ortwine, Brian Safina, Daniel Sutherlin, Shaoyi Sun, Andrew D. White, Wei Gong, Alla Yurevna Zenova, Jiuxiang Zhu
  • Patent number: 10125098
    Abstract: The invention provides compounds having the general Formula (I); and pharmaceutically acceptable salts thereof; wherein the variables RA, RAA, subscript n, subscript q, ring A, X2, L, subscript m, X1, R1, R2, R3, R4, R5, D and E have the meaning as described herein, and compositions containing such compounds and methods for using such compounds and compositions.
    Type: Grant
    Filed: May 24, 2018
    Date of Patent: November 13, 2018
    Assignees: GENENTECH, INC., XENON PHARMACEUTICALS INC.
    Inventors: Jean-Christophe Andrez, Philippe Bergeron, Paul Robert Bichler, Sultan Chowdhury, Christoph Martin Dehnhardt, Thilo Focken, Wei Gong, Michael Edward Grimwood, Abid Hasan, Ivan William Hemeon, Qi Jia, Brian Safina, Shaoyi Sun, Michael Scott Wilson, Alla Yurevna Zenova
  • Patent number: 10071957
    Abstract: The invention provides novel compounds having the general formula (I) and pharmaceutically acceptable salts thereof, wherein the variables RA, subscript n, ring A, X2, L, subscript m, X1, ring D, R1, and RN have the meaning as described herein, and compositions containing such compounds and methods for using such compounds and compositions.
    Type: Grant
    Filed: July 5, 2013
    Date of Patent: September 11, 2018
    Assignees: GENENTECH, INC., XENON PHARMACEUTICALS INC.
    Inventors: Christoph Martin Dehnhardt, Sultan Chowdhury, Thilo Focken, Michael Edward Grimwood, Ivan William Hemeon, Brian Safina, Daniel P. Sutherlin
  • Patent number: 10005724
    Abstract: The invention provides compounds having the general Formula (I); and pharmaceutically acceptable salts thereof; wherein the variables RA, RAA, subscript n, subscript q, ring A, X2, L, subscript m, X1, R1, R2, R3, R4, R5, D and E have the meaning as described herein, and compositions containing such compounds and methods for using such compounds and compositions.
    Type: Grant
    Filed: July 7, 2015
    Date of Patent: June 26, 2018
    Assignees: GENENTECH, INC., XENON PHARMACEUTICALS INC.
    Inventors: Jean-Christophe Andrez, Philippe Bergeron, Paul Robert Bichler, Sultan Chowdhury, Christoph Martin Dehnhardt, Thilo Focken, Wei Gong, Michael Edward Grimwood, Abid Hasan, Ivan William Hemeon, Qi Jia, Brian Safina, Shaoyi Sun, Michael Scott Wilson, Alla Yurevna Zenova
  • Publication number: 20180162868
    Abstract: This invention is directed to benzenesulfonamide compounds, as stereoisomers, enantiomers, tautomers thereof or mixtures thereof; or pharmaceutically acceptable salts, solvates or prodrugs thereof, for the treatment of diseases or conditions associated with voltage-gated sodium channels, such as epilepsy and/or epileptic seizure disorders.
    Type: Application
    Filed: May 19, 2017
    Publication date: June 14, 2018
    Inventors: Jean-Christophe Andrez, David Earl Bogucki, Kristen Nicole Burford, Sultan Chowdhury, Charles Jay Cohen, Shannon Marie Decker, Christoph Martin Dehnhardt, Robert Joseph Devita, James Roy Empfield, Thilo Focken, Michael Edward Grimwood, Syed Abid Hasan, Qi Jia, James Philip Johnson, JR., Michael Scott Wilson, Alla Yurevna Zenova
  • Publication number: 20170334902
    Abstract: This invention is directed to benzenesulfonamide compounds, as stereoisomers, enantiomers, tautomers thereof or mixtures thereof; or pharmaceutically acceptable salts, solvates or prodrugs thereof, for the treatment of diseases or conditions associated with voltage-gated sodium channels, such as epilepsy.
    Type: Application
    Filed: May 19, 2017
    Publication date: November 23, 2017
    Inventors: Jean-Christophe Andrez, Kristen Nicole Burford, Sultan Chowdhury, Charles Jay Cohen, Christoph Martin Dehnhardt, Robert Joseph Devita, James Roy Empfield, Thilo Focken, Michael Edward Grimwood, Syed Abid Hasan, James Philip Johnson, JR., Alla Yurevna Zenova