Patents by Inventor David Christopher Limburg

David Christopher Limburg 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: 20230250100
    Abstract: The present invention relates to methods of using compounds of Formula I, wherein R1a, R1b, R2, R3, R4, W, Y, and Z are as described herein, and pharmaceutically acceptable salts thereof. The compounds are potentiators of Cystic Fibrosis Transmembrane conductance Regulator (CFTR). The invention also discloses pharmaceutical compositions comprising the compound, optionally in combination with additional therapeutic agents, and methods of potentiating, in mammals, including humans, CFTR by administration of the compounds. These compounds are useful for the treatment of cystic fibrosis (CF), asthma, bronchiectasis, chronic obstructive pulmonary disease (COPD), constipation, Diabetes mellitus, dry eye disease, pancreatitis, rhinosinusitis, Sjögren's Syndrome, and other CFTR associated disorders.
    Type: Application
    Filed: April 13, 2023
    Publication date: August 10, 2023
    Inventors: Joseph Walter Strohbach, David Christopher Limburg, John Paul Mathias, Atli Thorarensen, Rajiah Aldrin Denny, Christoph Wolfgang Zapf, Daniel Elbaum, Lori Krim Gavrin, Ivan Viktorovich Efremov
  • Publication number: 20230148402
    Abstract: The present invention relates to boron containing compounds of Formula (I) X—Y—Z ??Formula (I) that inhibit phosphodiesterase 4 (PDE4). The invention also encompasses pharmaceutical compositions containing these compounds and methods for treating diseases, conditions, or disorders ameliorated by inhibition of PDE4.
    Type: Application
    Filed: December 15, 2022
    Publication date: May 11, 2023
    Applicant: Pfizer Inc.
    Inventors: Tsutomu Akama, David Clive Blakemore, Robert Toms Jacobs, Peter Jones, David Christopher Limburg, Martins Sunday Oderinde, Matthew Alexander Perry, Jacob John Plattner, Joseph Walter Strohbach, Rubben Federico Torella, Thean Yeow Yeoh, Yasheen Zhou
  • Patent number: 11559538
    Abstract: The present invention relates to boron containing compounds of Formula (IA): that inhibit phosphodiesterase 4 (PDE4). The invention also encompasses pharmaceutical compositions containing these compounds and methods for treating diseases, conditions, or disorders ameliorated by inhibition of PDE4.
    Type: Grant
    Filed: October 28, 2020
    Date of Patent: January 24, 2023
    Assignee: Pfizer Inc.
    Inventors: Joseph Walter Strohbach, Tsutomu Akama, David Clive Blakemore, Robert Toms Jacobs, Peter Jones, David Christopher Limburg, Martins Sunday Oderinde, Matthew Alexander Perry, Jacob John Plattner, Rubben Federico Torella, Yasheen Zhou, Thean Yeow Yeoh
  • Publication number: 20210171534
    Abstract: The present invention relates to methods of using compounds of Formula I, wherein R1a, R1b, R2, R3, R4, W, Y, and Z are as described herein, and pharmaceutically acceptable salts thereof. The compounds are potentiators of Cystic Fibrosis Transmembrane conductance Regulator (CFTR). The invention also discloses pharmaceutical compositions comprising the compound, optionally in combination with additional therapeutic agents, and methods of potentiating, in mammals, including humans, CFTR by administration of the compounds. These compounds are useful for the treatment of cystic fibrosis (CF), asthma, bronchiectasis, chronic obstructive pulmonary disease (COPD), constipation, Diabetes mellitus, dry eye disease, pancreatitis, rhinosinusitis, Sjögren's Syndrome, and other CFTR associated disorders.
    Type: Application
    Filed: February 18, 2021
    Publication date: June 10, 2021
    Inventors: Joseph Walter Strohbach, David Christopher Limburg, John Paul Mathias, Atli Thorarensen, Rajiah Aldrin Denny, Christoph Wolfgang Zapf, Daniel Elbaum, Lori Krim Gavrin, Ivan Viktorovich Efremov
  • Publication number: 20210069219
    Abstract: The present invention relates to boron containing compounds of Formula (I) X—Y—Z?? Formula (I) that inhibit phosphodiesterase 4 (PDE4). The invention also encompasses pharmaceutical compositions containing these compounds and methods for treating diseases, conditions, or disorders ameliorated by inhibition of PDE4.
    Type: Application
    Filed: October 28, 2020
    Publication date: March 11, 2021
    Applicant: Pfizer Inc.
    Inventors: Joseph Walter Strohbach, Tsutomu Akama, David Clive Blakemore, Robert Toms Jacobs, Peter Jones, David Christopher Limburg, Martins Sunday Oderinde, Matthew Alexander Perry, Jacob John Plattner, Rubben Federico Torella, Yasheen Zhou, Thean Yeow Yeoh
  • Patent number: 10766904
    Abstract: The present invention relates to 5,7-disubstituted-imidazo[5,1-f][1,2,4]triazine-4-amine derivatives, and pharmaceutically acceptable salts thereof. The compounds are potentiators of Cystic Fibrosis Transmembrane conductance Regulator (CFTR). The invention also discloses pharmaceutical compositions comprising the compounds, optionally in combination with additional therapeutic agents, and methods of potentiating, in mammals, including humans, CFTR by administration of the compounds. These compounds are useful for the treatment of cystic fibrosis (CF), asthma, bronchiectasis, chronic obstructive pulmonary disease (COPD), constipation, Diabetes mellitus, dry eye disease, pancreatitis, rhinosinusitis, Sjögren's Syndrome, and other CFTR associated disorders.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: September 8, 2020
    Assignee: Cystic Fibrosis Foundation
    Inventors: Joseph Walter Strohbach, David Christopher Limburg, John Paul Mathias, Atli Thorarensen, John James Mousseau, Rajiah Aldrin Denny, Christoph Wolfgang Zapf, Ivan Viktorovich Efremov
  • Publication number: 20200108083
    Abstract: The present invention relates to boron containing compounds of Formula (I) X—Y—Z?? Formula (I) that inhibit phosphodiesterase 4 (PDE4). The invention also encompasses pharmaceutical compositions containing these compounds and methods for treating diseases, conditions, or disorders ameliorated by inhibition of PDE4.
    Type: Application
    Filed: October 4, 2019
    Publication date: April 9, 2020
    Applicant: Pfizer Inc.
    Inventors: Joseph Walter Strohbach, Tsutomu Akama, David Clive Blakemore, Robert Toms Jacobs, Peter Jones, David Christopher Limburg, Martins Sunday Oderinde, Matthew Alexander Perry, Jacob John Plattner, Rubben Federico Torella, Yasheen Zhou, Thean Yeow Yeoh
  • Publication number: 20200017512
    Abstract: The present invention relates to methods of using compounds of Formula I, wherein R1a, R1b, R2, R3, R4, W, Y, and Z are as described herein, and pharmaceutically acceptable salts thereof. The compounds are potentiators of Cystic Fibrosis Transmembrane conductance Regulator (CFTR). The invention also discloses pharmaceutical compositions comprising the compound, optionally in combination with additional therapeutic agents, and methods of potentiating, in mammals, including humans, CFTR by administration of the compounds. These compounds are useful for the treatment of cystic fibrosis (CF), asthma, bronchiectasis, chronic obstructive pulmonary disease (COPD), constipation, Diabetes mellitus, dry eye disease, pancreatitis, rhinosinusitis, Sjögren's Syndrome, and other CFTR associated disorders.
    Type: Application
    Filed: September 20, 2019
    Publication date: January 16, 2020
    Inventors: Joseph Walter Strohbach, David Christopher Limburg, John Paul Mathias, Atli Thorarensen, Rajiah Aldrin Denny, Christoph Wolfgang Zapf, Daniel Elbaum, Lori Krim Gavrin, Ivan Viktorovich Efremov
  • Patent number: 10494374
    Abstract: The present invention relates to methods of using compounds of Formula I, wherein R1a, R1b, R2, R3, R4, W, Y, and Z are as described herein, and pharmaceutically acceptable salts thereof. The compounds are potentiators of Cystic Fibrosis Transmembrane conductance Regulator (CFTR). The invention also discloses pharmaceutical compositions comprising the compound, optionally in combination with additional therapeutic agents, and methods of potentiating, in mammals, including humans, CFTR by administration of the compounds. These compounds are useful for the treatment of cystic fibrosis (CF), asthma, bronchiectasis, chronic obstructive pulmonary disease (COPD), constipation, Diabetes mellitus, dry eye disease, pancreatitis, rhinosinusitis, Sjögren's Syndrome, and other CFTR associated disorders.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: December 3, 2019
    Assignee: CYSTIC FIBROSIS FOUNDATION
    Inventors: Joseph Walter Strohbach, David Christopher Limburg, John Paul Mathias, Atli Thorarensen, Rajiah Aldrin Denny, Christoph Wolfgang Zapf, Daniel Elbaum, Lori Krim Gavrin, Ivan Viktorovich Efremov
  • Publication number: 20190330219
    Abstract: The present invention relates to 5,7-disubstituted-imidazo[5,1-f][1,2,4]triazine-4-amine derivatives, and pharmaceutically acceptable salts thereof. The compounds are potentiators of Cystic Fibrosis Transmembrane conductance Regulator (CFTR). The invention also discloses pharmaceutical compositions comprising the compounds, optionally in combination with additional therapeutic agents, and methods of potentiating, in mammals, including humans, CFTR by administration of the compounds. These compounds are useful for the treatment of cystic fibrosis (CF), asthma, bronchiectasis, chronic obstructive pulmonary disease (COPD), constipation, Diabetes mellitus, dry eye disease, pancreatitis, rhinosinusitis, Sjögren's Syndrome, and other CFTR associated disorders.
    Type: Application
    Filed: July 9, 2019
    Publication date: October 31, 2019
    Inventors: Joseph Walter Strohbach, David Christopher Limburg, John Paul Mathias, Atli Thorarensen, John James Mousseau, Rajiah Aldrin Denny, Christoph Wolfgang Zapf, Ivan Viktorovich Efremov
  • Patent number: 10377762
    Abstract: The present invention relates to 5,7-disubstituted-imidazo[5,1-f][1,2,4]triazine-4-amine derivatives, and pharmaceutically acceptable salts thereof. The compounds are potentiators of Cystic Fibrosis Transmembrane conductance Regulator (CFTR). The invention also discloses pharmaceutical compositions comprising the compounds, optionally in combination with additional therapeutic agents, and methods of potentiating, in mammals, including humans, CFTR by administration of the compounds. These compounds are useful for the treatment of cystic fibrosis (CF), asthma, bronchiectasis, chronic obstructive pulmonary disease (COPD), constipation, Diabetes mellitus, dry eye disease, pancreatitis, rhinosinusitis, Sjögren's Syndrome, and other CFTR associated disorders.
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: August 13, 2019
    Assignee: CYSTIC FIBROSIS FOUNDATION
    Inventors: Joseph Walter Strohbach, David Christopher Limburg, John Paul Mathias, Atli Thorarensen, John James Mousseau, Rajiah Aldrin Denny, Christoph Wolfgang Zapf, Ivan Viktorovich Efremov
  • Publication number: 20190225621
    Abstract: The present invention relates to methods of using compounds of Formula I, wherein R1a, R1b, R2, R3, R4, W, Y, and Z are as described herein, and pharmaceutically acceptable salts thereof. The compounds are potentiators of Cystic Fibrosis Transmembrane conductance Regulator (CFTR). The invention also discloses pharmaceutical compositions comprising the compound, optionally in combination with additional therapeutic agents, and methods of potentiating, in mammals, including humans, CFTR by administration of the compounds. These compounds are useful for the treatment of cystic fibrosis (CF), asthma, bronchiectasis, chronic obstructive pulmonary disease (COPD), constipation, Diabetes mellitus, dry eye disease, pancreatitis, rhinosinusitis, Sjögren's Syndrome, and other CFTR associated disorders.
    Type: Application
    Filed: April 5, 2019
    Publication date: July 25, 2019
    Inventors: Joseph Walter Strohbach, David Christopher Limburg, John Paul Mathias, Atli Thorarensen, Rajiah Aldrin Denny, Christoph Wolfgang Zapf, Daniel Elbaum, Lori Krim Krim Gavrin, Ivan Viktorovich Efremov
  • Patent number: 10301315
    Abstract: The present invention relates to compounds of Formula I, wherein R1a, R1b, R2, R3, R4, W, Y, and Z are as described herein, and pharmaceutically acceptable salts thereof. The compounds are potentiators of Cystic Fibrosis Transmembrane conductance Regulator (CFTR). The invention also discloses pharmaceutical compositions comprising the compound, optionally in combination with additional therapeutic agents, and methods of potentiating, in mammals, including humans, CFTR by administration of the compounds. These compounds are useful for the treatment of cystic fibrosis (CF), asthma, bronchiectasis, chronic obstructive pulmonary disease (COPD), constipation, Diabetes mellitus, dry eye disease, pancreatitis, rhinosinusitis, Sjögren's Syndrome, and other CFTR associated disorders.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: May 28, 2019
    Assignee: CYSTIC FIBROSIS FOUNDATION THERAPEUTICS, INC.
    Inventors: Joseph Walter Strohbach, David Christopher Limburg, John Paul Mathias, Atli Thorarensen, Rajiah Aldrin Denny, Christoph Wolfgang Zapf, Daniel Elbaum, Lori Krim Gavrin, Ivan Viktorovich Efremov
  • Patent number: 10208053
    Abstract: The present invention relates to 1,3-disubstituted-1H-pyrazolo[3,4-d]pyrimidin-4-amine derivatives and pharmaceutically acceptable salts thereof. The compounds are potentiators of Cystic Fibrosis Transmembrane conductance Regulator (CFTR). The invention also discloses pharmaceutical compositions comprising the compounds, optionally in combination with additional therapeutic agents, and methods of potentiating, in mammals, including humans, CFTR by administration of the compounds. These compounds are useful for the treatment of cystic fibrosis (CF), asthma, bronchiectasis, chronic obstructive pulmonary disease (COPD), constipation, Diabetes mellitus, dry eye disease, pancreatitis, rhinosinusitis, Sjögren's Syndrome, and other CFTR associated disorders.
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: February 19, 2019
    Assignee: CYSTIC FIBROSIS FOUNDATION THERAPEUTICS, INC.
    Inventors: Joseph Walter Strohbach, David Christopher Limburg, John Paul Mathias, Atli Thorarensen, John James Mousseau, Rajiah Aldrin Denny, Christoph Wolfgang Zapf, Ivan Viktorovich Efremov
  • Publication number: 20190016727
    Abstract: The present invention relates to 1,3-disubstituted-1H-pyrazolo[3,4-d]pyrimidin-4-amine derivatives, 5,7-disubstituted-pyrrolo[2,1-f][1,2,4]triazin-4-amine derivatives or 5,7-disubstituted-imidazo[5,1-f][1,2,4]triazine-4-amine derivatives, and pharmaceutically acceptable salts thereof. The compounds are potentiators of Cystic Fibrosis Transmembrane conductance Regulator (CFTR). The invention also discloses pharmaceutical compositions comprising the compounds, optionally in combination with additional therapeutic agents, and methods of potentiating, in mammals, including humans, CFTR by administration of the compounds. These compounds are useful for the treatment of cystic fibrosis (CF), asthma, bronchiectasis, chronic obstructive pulmonary disease (COPD), constipation, Diabetes mellitus, dry eye disease, pancreatitis, rhinosinusitis, Sjögren's Syndrome, and other CFTR associated disorders.
    Type: Application
    Filed: September 17, 2018
    Publication date: January 17, 2019
    Applicant: CYSTIC FIBROSIS FOUNDATION THERAPEUTICS, INC.
    Inventors: Joseph Walter Strohbach, David Christopher Limburg, John Paul Mathias, Atli Thorarensen, John James Mousseau, Rajiah Aldrin Denny, Christoph Wolfgang Zapf, Ivan Viktorovich Efremov
  • Publication number: 20190016728
    Abstract: The present invention relates to 1,3-disubstituted-1H-pyrazolo[3,4-d]pyrimidin-4-amine derivatives, 5,7-disubstituted-pyrrolo[2,1-f][1,2,4]triazin-4-amine derivatives or 5,7-disubstituted-imidazo[5,1-f][1,2,4]triazine-4-amine derivatives, and pharmaceutically acceptable salts thereof. The compounds are potentiators of Cystic Fibrosis Transmembrane conductance Regulator (CFTR). The invention also discloses pharmaceutical compositions comprising the compounds, optionally in combination with additional therapeutic agents, and methods of potentiating, in mammals, including humans, CFTR by administration of the compounds. These compounds are useful for the treatment of cystic fibrosis (CF), asthma, bronchiectasis, chronic obstructive pulmonary disease (COPD), constipation, Diabetes mellitus, dry eye disease, pancreatitis, rhinosinusitis, Sjögren's Syndrome, and other CFTR associated disorders.
    Type: Application
    Filed: September 17, 2018
    Publication date: January 17, 2019
    Applicant: CYSTIC FIBROSIS FOUNDATION THERAPEUTICS, INC.
    Inventors: Joseph Walter Strohbach, David Christopher Limburg, John Paul Mathias, Atli Thorarensen, John James Mousseau, Rajiah Aldrin Denny, Christoph Wolfgang Zapf, Ivan Viktorovich Efremov
  • Patent number: 10131670
    Abstract: The present invention relates to 1,3-disubstituted-1H-pyrazolo[3,4-d]pyrimidin-4-amine derivatives, 5,7-disubstituted-pyrrolo[2,1-f][1,2,4]triazin-4-amine derivatives or 5,7-disubstituted-imidazo[5,1-f][1,2,4]triazine-4-amine derivatives, and pharmaceutically acceptable salts thereof. The compounds are potentiators of Cystic Fibrosis Transmembrane conductance Regulator (CFTR). The invention also discloses pharmaceutical compositions comprising the compounds, optionally in combination with additional therapeutic agents, and methods of potentiating, in mammals, including humans, CFTR by administration of the compounds. These compounds are useful for the treatment of cystic fibrosis (CF), asthma, bronchiectasis, chronic obstructive pulmonary disease (COPD), constipation, Diabetes mellitus, dry eye disease, pancreatitis, rhinosinusitis, Sjögren's Syndrome, and other CFTR associated disorders.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: November 20, 2018
    Assignee: CYSTIC FIBROSIS FOUNDATION THERAPEUTICS, INC.
    Inventors: Joseph Walter Strohbach, David Christopher Limburg, John Paul Mathias, Atli Thorarensen, John James Mousseau, Rajiah Aldrin Denny, Christoph Wolfgang Zapf, Ivan Viktorovich Efremov
  • Publication number: 20180170938
    Abstract: The present invention relates to 1,3-disubstituted-1H-pyrazolo[3,4-d]pyrimidin-4-amine derivatives, 5,7-disubstituted-pyrrolo[2,1-f][1,2,4]triazin-4-amine derivatives or 5,7-disubstituted-imidazo[5,1-f][1,2,4]triazine-4-amine derivatives, and pharmaceutically acceptable salts thereof. The compounds are potentiators of Cystic Fibrosis Transmembrane conductance Regulator (CFTR). The invention also discloses pharmaceutical compositions comprising the compounds, optionally in combination with additional therapeutic agents, and methods of potentiating, in mammals, including humans, CFTR by administration of the compounds. These compounds are useful for the treatment of cystic fibrosis (CF), asthma, bronchiectasis, chronic obstructive pulmonary disease (COPD), constipation, Diabetes mellitus, dry eye disease, pancreatitis, rhinosinusitis, Sjôgren's Syndrome, and other CFTR associated disorders.
    Type: Application
    Filed: December 14, 2017
    Publication date: June 21, 2018
    Applicant: CYSTIC FIBROSIS FOUNDATION THERAPEUTICS, INC.
    Inventors: Joseph Walter Strohbach, David Christopher Limburg, John Paul Mathias, Atli Thorarensen, John James Mousseau, Rajiah Aldrin Denny, Christoph Wolfgang Zapf, Ivan Viktorovich Efremov
  • Publication number: 20180141954
    Abstract: The present invention relates to compounds of Formula I, wherein R1a, R1b, R2, R3, R4, W, Y, and Z are as described herein, and pharmaceutically acceptable salts thereof. The compounds are potentiators of Cystic Fibrosis Transmembrane conductance Regulator (CFTR). The invention also discloses pharmaceutical compositions comprising the compound, optionally in combination with additional therapeutic agents, and methods of potentiating, in mammals, including humans, CFTR by administration of the compounds. These compounds are useful for the treatment of cystic fibrosis (CF), asthma, bronchiectasis, chronic obstructive pulmonary disease (COPD), constipation, Diabetes mellitus, dry eye disease, pancreatitis, rhinosinusitis, Sjögren's Syndrome, and other CFTR associated disorders.
    Type: Application
    Filed: November 17, 2017
    Publication date: May 24, 2018
    Applicant: CYSTIC FIBROSIS FOUNDATION THERAPEUTICS, INC.
    Inventors: Joseph Walter Strohbach, David Christopher Limburg, John Paul Mathias, Atli Thorarensen, Rajiah Aldrin Denny, Christoph Wolfgang Zapf, Daniel Elbaum, Lori Krim Gavrin, Ivan Viktorovich Efremov