Patents by Inventor Erik FENSTER

Erik FENSTER 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).

  • (2R,4R)-5-(5?-chloro-2?-fluorobiphenyl-4-yl)-2-hydroxy-4-[(5-methyloxazole-2-carbonyl)amino]pentanoic acid
    Patent number: 10548879
    Abstract: In one aspect, the invention relates to a compound of the structure: or a pharmaceutically acceptable salt thereof, and a crystalline form of this compound, having neprilysin inhibition activity. In another aspect, the invention relates to pharmaceutical compositions comprising this compound; methods of using this compound; and processes for preparing this compound.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: February 4, 2020
    Assignee: Theravance Biopharma R&D IP, LLC
    Inventors: Melissa Fleury, Adam D. Hughes, Anne-Marie Beausoleil, Erik Fenster, Venkat R. Thalladi, Miroslav Rapta
  • Pyrazolo and triazolo bicyclic compounds as JAK kinase inhibitors
    Patent number: 10538513
    Abstract: The invention provides compounds of formula (I): or a pharmaceutically-acceptable salt thereof, wherein the variables are defined in the specification, that are inhibitors of JAK kinases, particularly JAK3. The invention also provides crystalline forms, pharmaceutical compositions comprising such compounds, methods of using such compounds to treat gastrointestinal and other inflammatory diseases, and processes and intermediates useful for preparing such compounds.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: January 21, 2020
    Assignee: THERAVANCE BIOPHARMA R&D IP, LLC
    Inventors: Robert Murray McKinnell, Erik Fenster, Tom M. Lam, Jerry Nzerem, Marta Dabros, Venkat R. Thalladi, Miroslav Rapta
  • PYRAZOLO AND TRIAZOLO BICYCLIC COMPOUNDS AS JAK KINASE INHIBITORS
    Publication number: 20190315724
    Abstract: The invention provides compounds of formula (I): or a pharmaceutically-acceptable salt thereof, wherein the variables are defined in the specification, that are inhibitors of JAK kinases, particularly JAK3. The invention also provides crystalline forms, pharmaceutical compositions comprising such compounds, methods of using such compounds to treat gastrointestinal and other inflammatory diseases, and processes and intermediates useful for preparing such compounds.
    Type: Application
    Filed: June 28, 2019
    Publication date: October 17, 2019
    Applicant: THERAVANCE BIOPHARMA R&D IP, LLC
    Inventors: ROBERT MURRAY MCKINNELL, ERIK FENSTER, TOM M. LAM, JERRY NZEREM, MARTA DABROS, VENKAT R. THALLADI, MIROSLAV RAPTA
  • (2R,4R)-5-(5'-CHLORO-2'-FLUOROBIPHENYL-4-YL)-2-HYDROXY-4-[(5-METHYLOXAZOLE-2-CARBONYL)AMINO]PENTANOIC ACID
    Publication number: 20190269659
    Abstract: In one aspect, the invention relates to a compound of the structure: or a pharmaceutically acceptable salt thereof, and a crystalline form of this compound, having neprilysin inhibition activity. In another aspect, the invention relates to pharmaceutical compositions comprising this compound; methods of using this compound; and processes for preparing this compound.
    Type: Application
    Filed: December 3, 2018
    Publication date: September 5, 2019
    Applicant: THERAVANCE BIOPHARMA R&D IP, LLC
    Inventors: Melissa Fleury, Adam D. Hughes, Anne-Marie Beausoleil, Erik Fenster, Venkat R. Thalladi, Miroslav Rapta
  • NEPRILYSIN INHIBITORS
    Publication number: 20190262297
    Abstract: In one aspect, the invention relates to compounds having the formula: where R1-R6, a, b, and Z are as defined in the specification, or a pharmaceutically acceptable salt thereof. These compounds have neprilysin inhibition activity. In another aspect, the invention relates to pharmaceutical compositions comprising such compounds; methods of using such compounds; and processes and intermediates for preparing such compounds.
    Type: Application
    Filed: October 5, 2018
    Publication date: August 29, 2019
    Applicant: THERAVANCE BIOPHARMA R&D IP, LLC
    Inventors: Adam D. Hughes, Erik Fenster, Melissa Fleury, Roland Gendron, Edmund J. Moran
  • Pyrazolo and triazolo bicyclic compounds as JAK kinase inhibitors
    Patent number: 10392368
    Abstract: The invention provides compounds of formula (I): or a pharmaceutically-acceptable salt thereof, wherein the variables are defined in the specification, that are inhibitors of JAK kinases, particularly JAK3. The invention also provides crystalline forms, pharmaceutical compositions comprising such compounds, methods of using such compounds to treat gastrointestinal and other inflammatory diseases, and processes and intermediates useful for preparing such compounds.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: August 27, 2019
    Assignee: THERAVANCE BIOPHARMA R&D IP, LLC
    Inventors: Erik Fenster, Tom M. Lam, Mandy Loo, Robert Murray McKinnell, Anthony Francesco Palermo, Diana Jin Wang, Breena Fraga, Jerry Nzerem, Marta Dabros, Venkat R. Thalladi, Miroslav Rapta
  • PYRAZOLO AND TRIAZOLO BICYCLIC COMPOUNDS AS JAK KINASE INHIBITORS
    Publication number: 20190040043
    Abstract: The invention provides compounds of formula (I): or a pharmaceutically-acceptable salt thereof, wherein the variables are defined in the specification, that are inhibitors of JAK kinases, particularly JAK3. The invention also provides crystalline forms, pharmaceutical compositions comprising such compounds, methods of using such compounds to treat gastrointestinal and other inflammatory diseases, and processes and intermediates useful for preparing such compounds.
    Type: Application
    Filed: July 31, 2018
    Publication date: February 7, 2019
    Applicant: THERAVANCE BIOPHARMA R&D IP, LLC
    Inventors: ERIK FENSTER, TOM M. LAM, MANDY LOO, ROBERT MURRAY MCKINNELL, ANTHONY FRANCESCO PALERMO, DIANA JIN WANG, BREENA FRAGA, JERRY NZEREM, MARTA DABROS, VENKAT R. THALLADI, MIROSLAV RAPTA
  • (2R,4R)-5-(5?-chloro-2?-fluorobiphenyl-4-yl)-2-hydroxy-4-[(5-methyloxazole-2-carbonyl)amino]pentanoic acid
    Patent number: 10172834
    Abstract: In one aspect, the invention relates to a compound of the structure: or a pharmaceutically acceptable salt thereof, and a crystalline form of this compound, having neprilysin inhibition activity. In another aspect, the invention relates to pharmaceutical compositions comprising this compound; methods of using this compound; and processes for preparing this compound.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: January 8, 2019
    Assignee: THERAVANCE BIOPHARMA R&D IP, LLC
    Inventors: Melissa Fleury, Adam D. Hughes, Anne-Marie Beausoleil, Erik Fenster, Venkat R. Thalladi, Miroslav Rapta
  • Neprilysin inhibitors
    Patent number: 10123984
    Abstract: In one aspect, the invention relates to compounds having the formula: where R1-R6, a, b, and Z are as defined in the specification, or a pharmaceutically acceptable salt thereof. These compounds have neprilysin inhibition activity. In another aspect, the invention relates to pharmaceutical compositions comprising such compounds; methods of using such compounds; and processes and intermediates for preparing such compounds.
    Type: Grant
    Filed: May 12, 2017
    Date of Patent: November 13, 2018
    Assignee: THERAVANCE BIOPHARMA R&D IP, LLC
    Inventors: Adam D. Hughes, Erik Fenster, Melissa Fleury, Roland Gendron, Edmund J. Moran
  • Neprilysin inhibitors
    Patent number: 10053417
    Abstract: In one aspect, the invention relates to compounds having the formula: where R1-R5 and X are as defined in the specification, or a pharmaceutically acceptable salt thereof. These compounds have neprilysin inhibition activity. In another aspect, the invention relates to pharmaceutical compositions comprising such compounds; methods of using such compounds; and processes and intermediates for preparing such compounds.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: August 21, 2018
    Assignee: THERAVANCE BIOPHARMA R&D IP, LLC
    Inventors: Erik Fenster, Melissa Fleury, Adam D. Hughes
  • (2R,4R)-5-(5'-CHLORO-2'-FLUOROBIPHENYL-4-YL)-2-HYDROXY-4-[(5-METHYLOXAZOLE-2-CARBONYL)AMINO]PENTANOIC ACID
    Publication number: 20180228774
    Abstract: In one aspect, the invention relates to a compound of the structure: or a pharmaceutically acceptable salt thereof, and a crystalline form of this compound, having neprilysin inhibition activity. In another aspect, the invention relates to pharmaceutical compositions comprising this compound; methods of using this compound; and processes for preparing this compound.
    Type: Application
    Filed: December 14, 2017
    Publication date: August 16, 2018
    Applicant: THERAVANCE BIOPHARMA R&D IP, LLC
    Inventors: Melissa Fleury, Adam D. Hughes, Anne-Marie Beausoleil, Erik Fenster, Venkat R. Thalladi, Miroslav Rapta
  • NEPRILYSIN INHIBITORS
    Publication number: 20180194718
    Abstract: In one aspect, the invention relates to compounds having the formula: where R1-R5 and X are as defined in the specification, or a pharmaceutically acceptable salt thereof. These compounds have neprilysin inhibition activity. In another aspect, the invention relates to pharmaceutical compositions comprising such compounds; methods of using such compounds; and processes and intermediates for preparing such compounds.
    Type: Application
    Filed: November 8, 2017
    Publication date: July 12, 2018
    Applicant: THERAVANCE BIOPHARMA R&D IP, LLC
    Inventors: Erik Fenster, Melissa Fleury, Adam D. Hughes
  • (2R,4R)-5-(5?-Chloro-2?-fluorobiphenyl-4-yl)-2-hydroxy-4-[(5-methyloxazole-2-carbonyl)amino]pentanoic acid
    Patent number: 9872855
    Abstract: In one aspect, the invention relates to a compound of the structure: or a pharmaceutically acceptable salt thereof, and a crystalline form of this compound, having neprilysin inhibition activity. In another aspect, the invention relates to pharmaceutical compositions comprising this compound; methods of using this compound; and processes for preparing this compound.
    Type: Grant
    Filed: November 21, 2016
    Date of Patent: January 23, 2018
    Assignee: THERAVANCE BIOPHARMA R&D IP, LLC
    Inventors: Melissa Fleury, Adam D. Hughes, Anne-Marie Beausoleil, Erik Fenster, Venkat R. Thalladi, Miroslav Rapta
  • (2S,4R)-5-(5?-chloro-2?-fluorobiphenyl-4-yl)-4-(ethoxyoxalylamino)-2-hydroxymethyl-2-methylpentanoic acid
    Patent number: 9868698
    Abstract: In one aspect, the invention relates to a compound of the structure: or a pharmaceutically acceptable salt thereof, and a crystalline form of this compound, having neprilysin inhibition activity. In another aspect, the invention relates to pharmaceutical compositions comprising this compound; methods of using this compound; and processes for preparing this compound.
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: January 16, 2018
    Assignee: THERAVANCE BIOPHARMA R&D IP, LLC
    Inventors: Adam D. Hughes, Erik Fenster, Melissa Fleury, Anne-Marie Beausoleil, Venkat R. Thalladi, Jerry Nzerem, Miroslav Rapta
  • NEPRILYSIN INHIBITORS
    Publication number: 20170368010
    Abstract: In one aspect, the invention relates to compounds having the formula: where R1-R6, a, b, and Z are as defined in the specification, or a pharmaceutically acceptable salt thereof. These compounds have neprilysin inhibition activity. In another aspect, the invention relates to pharmaceutical compositions comprising such compounds; methods of using such compounds; and processes and intermediates for preparing such compounds.
    Type: Application
    Filed: May 12, 2017
    Publication date: December 28, 2017
    Applicant: THERAVANCE BIOPHARMA R&D IP, LLC
    Inventors: Adam D. Hughes, Erik Fenster, Melissa Fleury, Roland Gendron, Edmund J. Moran
  • (2S,4R)-5-(5'-CHLORO-2'-FLUOROBIPHENYL-4-YL)-4-(ETHOXYOXALYLAMINO)-2-HYDROXYMETHYL-2-METHYLPENTANOIC ACID
    Publication number: 20170355665
    Abstract: In one aspect, the invention relates to a compound of the structure: or a pharmaceutically acceptable salt thereof, and a crystalline form of this compound, having neprilysin inhibition activity. In another aspect, the invention relates to pharmaceutical compositions comprising this compound; methods of using this compound; and processes for preparing this compound.
    Type: Application
    Filed: April 28, 2017
    Publication date: December 14, 2017
    Applicant: THERAVANCE BIOPHARMA R&D IP, LLC
    Inventors: Adam D. Hughes, Erik Fenster, Melissa Fleury, Anne-Marie Beausoleil, Venkat R. Thalladi, Jerry Nzerem, Miroslav Rapta
  • Neprilysin inhibitors
    Patent number: 9840460
    Abstract: In one aspect, the invention relates to compounds having the formula: where R1-R5 and X are as defined in the specification, or a pharmaceutically acceptable salt thereof. These compounds have neprilysin inhibition activity. In another aspect, the invention relates to pharmaceutical compositions comprising such compounds; methods of using such compounds; and processes and intermediates for preparing such compounds.
    Type: Grant
    Filed: May 22, 2017
    Date of Patent: December 12, 2017
    Assignee: THERAVANCE BIOPHARMA R&D IP, LLC
    Inventors: Erik Fenster, Melissa Fleury, Adam D. Hughes
  • NEPRILYSIN INHIBITORS
    Publication number: 20170327459
    Abstract: In one aspect, the invention relates to compounds having the formula: where R1-R5 and X are as defined in the specification, or a pharmaceutically acceptable salt thereof. These compounds have neprilysin inhibition activity. In another aspect, the invention relates to pharmaceutical compositions comprising such compounds; methods of using such compounds; and processes and intermediates for preparing such compounds.
    Type: Application
    Filed: May 22, 2017
    Publication date: November 16, 2017
    Applicant: THERAVANCE BIOPHARMA R&D IP, LLC
    Inventors: Erik Fenster, Melissa Fleury, Adam D. Hughes
  • (2R,4R)-5-(5'-CHLORO-2'-FLUOROBIPHENYL-4-YL)-2-HYDROXY-4-[(5-METHYLOXAZOLE-2-CARBONYL)AMINO]PENTANOIC ACID
    Publication number: 20170196841
    Abstract: In one aspect, the invention relates to a compound of the structure: or a pharmaceutically acceptable salt thereof, and a crystalline form of this compound, having neprilysin inhibition activity. In another aspect, the invention relates to pharmaceutical compositions comprising this compound; methods of using this compound; and processes for preparing this compound.
    Type: Application
    Filed: November 21, 2016
    Publication date: July 13, 2017
    Applicant: THERAVANCE BIOPHARMA R&D IP, LLC
    Inventors: Melissa Fleury, Adam D. Hughes, Anne-Marie Beausoleil, Erik Fenster, Venkat R. Thalladi, Miroslav Rapta
  • Neprilysin inhibitors
    Patent number: 9688616
    Abstract: In one aspect, the invention relates to compounds having the formula: where R1-R5 and X are as defined in the specification, or a pharmaceutically acceptable salt thereof. These compounds have neprilysin inhibition activity. In another aspect, the invention relates to pharmaceutical compositions comprising such compounds; methods of using such compounds; and processes and intermediates for preparing such compounds.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: June 27, 2017
    Assignee: Theravance Biopharma R&D IP, LLC
    Inventors: Erik Fenster, Melissa Fleury, Adam D. Hughes