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).

  • Benzenesulfonamide compounds and their use as therapeutic agents
    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
  • Substituted benzamides and methods of use thereof
    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
  • Benzenesulfonamide compouds and their use as therapeutic agents
    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
  • Therapeutic compounds and methods of use thereof
    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
  • SUBSTITUTED BENZAMIDES AND METHODS OF USE THEREOF
    Publication number: 20210253548
    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: Application
    Filed: January 19, 2021
    Publication date: August 19, 2021
    Applicants: GENENTECH, INC., XENON PHARMACEUTICALS INC.
    Inventors: Chien-an CHEN, Sultan CHOWDHURY, Shannon Marie DECKER, Christoph Martin DEHNHARDT, Ivan William HEMEON, Steven MCKERRALL, Brian SAFINA, Tao SHENG, Dan SUTHERLIN
  • BENZENESULFONAMIDE COMPOUNDS AND THEIR USE AS THERAPEUTIC AGENTS
    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
  • THERAPEUTIC COMPOUNDS AND METHODS OF USE THEREOF
    Publication number: 20210171516
    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: Application
    Filed: September 24, 2020
    Publication date: June 10, 2021
    Applicants: 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 Salvatore SAFINA, Daniel SUTHERLIN, Tao WANG
  • SUBSTITUTED BENZAMIDES AND METHODS OF USE THEREOF
    Publication number: 20210155588
    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: Application
    Filed: September 3, 2020
    Publication date: May 27, 2021
    Applicants: GENENTECH, INC., XENON PHARMACEUTICALS INC.
    Inventors: Sultan CHOWDHURY, Christoph Martin DEHNHARDT, Thilo FOCKEN, Michael Edward GRIMWOOD, Ivan William HEMEON, Steven MCKERRALL, Daniel SUTHERLIN
  • SUBSTITUTED BENZAMIDES AND METHODS OF USE THEREOF
    Publication number: 20210093618
    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, 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: Application
    Filed: November 7, 2019
    Publication date: April 1, 2021
    Applicants: GENENTECH, INC., XENON PHARMACEUTICALS INC.
    Inventors: Jean-Christophe ANDREZ, Paul Robert BICHLER, Chien-An CHEN, Sultan CHOWDHURY, Shannon Marie DECKER, Christoph Martin DEHNHARDT, Thilo FOCKEN, Michael Edward GRIMWOOD, Ivan William HEMEON, Qi JIA, Jun LI, Zhiguo LIU, Daniel F. ORTWINE, Brian Salvatore SAFINA, Daniel SUTHERLIN, Tao SHENG, Shaoyi SUN, Andrew D. WHITE, Michael Scott WILSON, Alla Yurevna ZENOVA, Jiuxiang ZHU
  • THERAPEUTIC COMPOUNDS AND METHODS OF USE THEREOF
    Publication number: 20210078947
    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: Application
    Filed: December 3, 2019
    Publication date: March 18, 2021
    Applicants: 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
  • Substituted benzamides useful as sodium channel blockers
    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
  • BENZENESULFONAMIDE COMPOUNDS AND THEIR USE AS THERAPEUTIC AGENTS
    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
  • Benzenesulfonamide compounds and their use as therapeutic agents
    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
  • Therapeutic compounds and methods of use thereof
    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
  • Substituted benzamides and methods of use thereof
    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
  • Benzenesulfonamide compounds and their use as therapeutic agents
    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
  • SUBSTITUTED BENZAMIDES AND METHODS OF USE THEREOF
    Publication number: 20200108054
    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, 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: Application
    Filed: April 22, 2019
    Publication date: April 9, 2020
    Applicants: GENENTECH, INC., XENON PHARMACEUTICALS INC.
    Inventors: Jean-Christophe ANDREZ, Paul Robert BICHLER, Chien-An CHEN, Sultan CHOWDHURY, Shannon Marie DECKER, Christoph Martin DEHNHARDT, Thilo FOCKEN, Michael Edward GRIMWOOD, Ivan William HEMEON, Qi JIA, Jun LI, Zhiguo LIU, Daniel F. ORTWINE, Brian Salvatore SAFINA, Daniel SUTHERLIN, Tao SHENG, Shaoyi SUN, Andrew D. WHITE, Michael Scott WILSON, Alla Yurevna ZENOVA, Jiuxiang ZHU
  • Therapeutic compounds and methods of use thereof
    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
  • BENZENESULFONAMIDE COMPOUNDS AND THEIR USE AS THERAPEUTIC AGENTS
    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
  • SUBSTITUTED BENZAMIDES AND METHODS OF USE THEREOF
    Publication number: 20190112264
    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: Application
    Filed: March 28, 2017
    Publication date: April 18, 2019
    Applicants: GENENTECH, INC., XENON PHARMACEUTICALS INC.
    Inventors: Sultan CHOWDHURY, Christoph Martin DEHNHARDT, Thilo FOCKEN, Michael Edward GRIMWOOD, Ivan William HEMEON, Steven MCKERRALL, Daniel SUTHERLIN