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).
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Publication number: 20230250100Abstract: 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: ApplicationFiled: April 13, 2023Publication date: August 10, 2023Inventors: 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
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Publication number: 20230148402Abstract: 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: ApplicationFiled: December 15, 2022Publication date: May 11, 2023Applicant: 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
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Patent number: 11559538Abstract: 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: GrantFiled: October 28, 2020Date of Patent: January 24, 2023Assignee: 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
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Publication number: 20210171534Abstract: 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: ApplicationFiled: February 18, 2021Publication date: June 10, 2021Inventors: 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
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Publication number: 20210069219Abstract: 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: ApplicationFiled: October 28, 2020Publication date: March 11, 2021Applicant: 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
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Patent number: 10766904Abstract: 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: GrantFiled: July 9, 2019Date of Patent: September 8, 2020Assignee: Cystic Fibrosis FoundationInventors: Joseph Walter Strohbach, David Christopher Limburg, John Paul Mathias, Atli Thorarensen, John James Mousseau, Rajiah Aldrin Denny, Christoph Wolfgang Zapf, Ivan Viktorovich Efremov
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Publication number: 20200108083Abstract: 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: ApplicationFiled: October 4, 2019Publication date: April 9, 2020Applicant: 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
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Publication number: 20200017512Abstract: 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: ApplicationFiled: September 20, 2019Publication date: January 16, 2020Inventors: 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
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Patent number: 10494374Abstract: 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: GrantFiled: April 5, 2019Date of Patent: December 3, 2019Assignee: CYSTIC FIBROSIS FOUNDATIONInventors: 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
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Publication number: 20190330219Abstract: 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: ApplicationFiled: July 9, 2019Publication date: October 31, 2019Inventors: Joseph Walter Strohbach, David Christopher Limburg, John Paul Mathias, Atli Thorarensen, John James Mousseau, Rajiah Aldrin Denny, Christoph Wolfgang Zapf, Ivan Viktorovich Efremov
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Patent number: 10377762Abstract: 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: GrantFiled: September 17, 2018Date of Patent: August 13, 2019Assignee: CYSTIC FIBROSIS FOUNDATIONInventors: Joseph Walter Strohbach, David Christopher Limburg, John Paul Mathias, Atli Thorarensen, John James Mousseau, Rajiah Aldrin Denny, Christoph Wolfgang Zapf, Ivan Viktorovich Efremov
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Publication number: 20190225621Abstract: 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: ApplicationFiled: April 5, 2019Publication date: July 25, 2019Inventors: 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
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Patent number: 10301315Abstract: 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: GrantFiled: November 17, 2017Date of Patent: May 28, 2019Assignee: 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
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Patent number: 10208053Abstract: 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: GrantFiled: September 17, 2018Date of Patent: February 19, 2019Assignee: 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
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Publication number: 20190016727Abstract: 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: ApplicationFiled: September 17, 2018Publication date: January 17, 2019Applicant: 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
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Publication number: 20190016728Abstract: 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: ApplicationFiled: September 17, 2018Publication date: January 17, 2019Applicant: 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
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Patent number: 10131670Abstract: 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: GrantFiled: December 14, 2017Date of Patent: November 20, 2018Assignee: 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
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Publication number: 20180170938Abstract: 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: ApplicationFiled: December 14, 2017Publication date: June 21, 2018Applicant: 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
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Publication number: 20180141954Abstract: 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: ApplicationFiled: November 17, 2017Publication date: May 24, 2018Applicant: 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