Patents by Inventor Stephen Douglas Barrett

Stephen Douglas Barrett 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).

  • Difluorolactam compounds as EP4 receptor-selective agonists for use in the treatment of EP4-mediated diseases and conditions
    Patent number: 11884624
    Abstract: Disclosed herein are compounds of formula (I) and therapeutic methods of treatment with compounds of formula (I), wherein L1, L2, L4, R1, R4, R5, R6, and s are as defined in the specification. Compounds of formula (I) are EP4 agonists useful in the treatment of glaucoma, neuropathic pain, and related disorders.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: January 30, 2024
    Assignee: CAYMAN CHEMICAL COMPANY, INC.
    Inventors: Stephen Douglas Barrett, Fred Lawrence Ciske, Joseph Michael Colombo, Gregory William Endres, Bradlee David Germain, Andriy Kornilov, James Bernard Kramer, Adam Uzieblo, Kirk M. Maxey
  • DIFLUOROLACTAM COMPOUNDS AS EP4 RECEPTOR-SELECTIVE AGONISTS FOR USE IN THE TREATMENT OF EP4-MEDIATED DISEASES AND CONDITIONS
    Publication number: 20230050318
    Abstract: Disclosed herein are compounds of formula (I) and therapeutic methods of treatment with compounds of formula (I), wherein L1, L2, L4, R1, R4, R5, R6, and s are as defined in the specification. Compounds of formula (I) are EP4 agonists useful in the treatment of glaucoma, neuropathic pain, and related disorders.
    Type: Application
    Filed: June 9, 2021
    Publication date: February 16, 2023
    Inventors: Stephen Douglas Barrett, Fred Lawrence Ciske, Joseph Michael Colombo, Gregory William Endres, Bradlee David Germain, Andriy Kornilov, James Bernard Kramer, Adam Uzieblo, Kirk M. Maxey
  • Methods of synthesizing a difluorolactam analog
    Patent number: 11345690
    Abstract: The present invention relates to processes and intermediates for preparing compounds of formula (IA), wherein R1, R4, R5, R6, and L1 are as defined herein. Compounds of formula (IA) have been found useful as EP4 receptor agonists useful in the treatment of glaucoma, osteoporosis, neuropathic pain, and related disorders.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: May 31, 2022
    Assignee: Cayman Chemical Company, Inc.
    Inventors: Stephen Douglas Barrett, Joseph Michael Colombo, Bradlee David Germain, Andriy Kornilov, James Bernard Kramer, Adam Uzieblo
  • METHODS OF SYNTHESIZING A DIFLUOROLACTAM ANALOG
    Publication number: 20220127252
    Abstract: The present invention relates to processes and intermediates for preparing compounds of formula (IA), wherein R1, R4, R5, R6, and L1 are as defined herein. Compounds of formula (IA) have been found useful as EP4 receptor agonists useful in the treatment of glaucoma, osteoporosis, neuropathic pain, and related disorders.
    Type: Application
    Filed: March 12, 2019
    Publication date: April 28, 2022
    Inventors: Stephen Douglas Barrett, Joseph Michael Colombo, Bradlee David Germain, Andriy Kornilov, James Bernard Kramer, Adam Uzieblo
  • Difluorolactam compounds as EP4 receptor-selective agonists for use in the treatment of EP4-mediated diseases and conditions
    Patent number: 11066361
    Abstract: Disclosed herein are compounds of formula (I) and therapeutic methods of treatment with compounds of formula (I), wherein L1, L2, L4, R1, R4, R5, R6, and s are as defined in the specification. Compounds of formula (I) are EP4 agonists useful in the treatment of glaucoma, neuropathic pain, and related disorders.
    Type: Grant
    Filed: January 2, 2020
    Date of Patent: July 20, 2021
    Assignee: CAYMAN CHEMICAL COMPANY, INC.
    Inventors: Stephen Douglas Barrett, Fred Lawrence Ciske, Joseph Michael Colombo, Gregory William Endres, Bradlee David Germain, Andriy Kornilov, James Bernard Kramer, Adam Uzieblo, Kirk M. Maxey
  • Methods, systems, and compositions for promoting bone growth
    Patent number: 10729810
    Abstract: The present invention relates to novel bone compositions for locally delivering a therapeutic agent to the site of a bone defect. Therapeutic agents may promote repair of the bone defect and/or treat conditions or disorders such as pain, inflammation, cancer, and infection. The compositions include calcium phosphate cements and a demineralized bone matrix or a collagen sponge. The compositions are useful for implantation in a patient at the site of a bone defect.
    Type: Grant
    Filed: July 18, 2014
    Date of Patent: August 4, 2020
    Assignees: CAYMAN CHEMICAL COMPANY, INC, MYOMETRICS LLC
    Inventors: Stephen Douglas Barrett, Joseph Michael Colombo, Bradlee David Germain, Andriy Kornilov, James Bernard Kramer, Adam Uzieblo, Gregory William Endres, Fred Lawrence Ciske, Thomas Allen Owen, James Paul O'Malley
  • DIFLUOROLACTAM COMPOUNDS AS EP4 RECEPTOR-SELECTIVE AGONISTS FOR USE IN THE TREATMENT OF EP4-MEDIATED DISEASES AND CONDITIONS
    Publication number: 20200207709
    Abstract: Disclosed herein are compounds of formula (I) and therapeutic methods of treatment with compounds of formula (I), wherein L1, L2, L4, R1, R4, R5, R6, and s are as defined in the specification. Compounds of formula (I) are EP4 agonists useful in the treatment of glaucoma, neuropathic pain, and related disorders.
    Type: Application
    Filed: January 2, 2020
    Publication date: July 2, 2020
    Inventors: Stephen Douglas Barrett, Fred Lawrence Ciske, Joseph Michael Colombo, Gregory William Endres, Bradlee David Germain, Andriy Kornilov, James Bernard Kramer, Adam Uzieblo, Kirk M. Maxey
  • Difluorolactam compounds as EPreceptor-selective agonists for use in the treatment of EP-mediated diseases and conditions
    Patent number: 10556862
    Abstract: Disclosed herein are compounds of formula (I) and therapeutic methods of treatment with compounds of formula (I), wherein L1, L2, L4, R1, R4, R5, R6, and s are as defined in the specification. Compounds of formula (I) are EP4 agonists useful in the treatment of glaucoma, neuropathic pain, and related disorders.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: February 11, 2020
    Assignee: CAYMAN CHEMICAL COMPANY, INC.
    Inventors: Stephen Douglas Barrett, Fred Lawrence Ciske, Joseph Michael Colombo, Gregory William Endres, Bradlee David Germain, Andriy Komilov, James Bernard Kramer, Adam Uzieblo, Kirk M. Maxey
  • METHODS OF SYNTHESIZING A DIFLUOROLACTAM ANALOG
    Publication number: 20190202816
    Abstract: The present invention relates to processes and intermediates for preparing compounds of formula (IA), wherein R1, R4, R5, R6, and L1 are as defined herein. Compounds of formula (IA) have been found useful as EP4 receptor agonists useful in the treatment of glaucoma, osteoporosis, neuropathic pain, and related disorders.
    Type: Application
    Filed: March 12, 2019
    Publication date: July 4, 2019
    Inventors: Stephen Douglas Barrett, Joseph Michael Colombo, Bradlee David Germain, Andriy Kornilov, James Bernard Kramer, Adam Uzieblo
  • DIFLUOROLACTAM COMPOSITIONS FOR EP4-MEDIATED OSTEO RELATED DISEASES AND CONDITIONS
    Publication number: 20190144435
    Abstract: Disclosed herein are compositions and methods of treating osteroporosis, bone fracture, bone loss, and increasing bone density by administration of compounds of formula (I) or compositions comprising a compound of formula (I) and a pharmaceutically acceptable carrier, wherein L1, L2, L4, R1, R4, R5, R6, and s are as defined in the specification.
    Type: Application
    Filed: January 9, 2019
    Publication date: May 16, 2019
    Applicant: Myometrics, LLC
    Inventors: Stephen Douglas Barrett, Fred Lawrence Ciske, Joseph Michael Colombo, Gregory William Endress, Bradlee David Germain, Andriy Komilov, James Bernard Kramer, Adam Uzieblo, Thomas Allen Owen, James Paul O'Malley
  • DIFLUOROLACTAM COMPOUNDS AS EP4 RECEPTOR-SELECTIVE AGONISTS FOR USE IN THE TREATMENT OF EP4-MEDIATED DISEASES AND CONDITIONS
    Publication number: 20190092722
    Abstract: Disclosed herein are compounds of formula (I) and therapeutic methods of treatment with compounds of formula (I), wherein L1, L2, L4, R1, R4, R5, R6, and s are as defined in the specification. Compounds of formula (I) are EP4 agonists useful in the treatment of glaucoma, neuropathic pain, and related disorders.
    Type: Application
    Filed: October 9, 2018
    Publication date: March 28, 2019
    Inventors: Stephen Douglas Barrett, Fred Lawrence Ciske, Joseph Michael Colombo, Gregory William Endres, Bradlee David Germain, Andriy Komilov, James Bernard Kramer, Adam Uzieblo, Kirk M. Maxey
  • METHODS OF SYNTHESIZING A DIFLUOROLACTAM ANALOG
    Publication number: 20180170918
    Abstract: The present invention relates to processes and intermediates for preparing compounds of formula (IA), wherein R1, R4, R5, R6, and L1 are as defined herein. Compounds of formula (IA) have been found useful as EP4 receptor agonists useful in the treatment of glaucoma, osteoporosis, neuropathic pain, and related disorders.
    Type: Application
    Filed: January 30, 2018
    Publication date: June 21, 2018
    Inventors: Stephen Douglas Barrett, Joseph Michael Colombo, Bradlee David Germain, Andriy Kornilov, James Bernard Kramer, Adam Uzieblo
  • Methods of synthesizing a difluorolactam analog
    Patent number: 9914725
    Abstract: The present invention relates to processes and intermediates for preparing compounds of formula (IA), wherein R1, R4, R5, R6, and L1 are as defined herein. Compounds of formula (IA) have been found useful as EP4 receptor agonists useful in the treatment of glaucoma, osteoporosis, neuropathic pain, and related disorders.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: March 13, 2018
    Assignee: CAYMAN CHEMICAL COMPANY, INC.
    Inventors: Stephen Douglas Barrett, Joseph Michael Colombo, Bradlee David Germain, Andriy Kornilov, James Bernard Kramer, Adam Uzieblo
  • DIFLUOROLACTAM COMPOSITIONS FOR EP4-MEDIATED OSTEO RELATED DISEASES AND CONDTIONS
    Publication number: 20170260173
    Abstract: Disclosed herein are compositions and methods of treating osteroporosis, bone fracture, bone loss, and increasing bone density by administration of compounds of formula (I) or compositions comprising a compound of formula (I) and a pharmaceutically acceptable carrier, wherein L1, L2, L4, R1, R4, R5, R6, and s are as defined in the specification.
    Type: Application
    Filed: May 18, 2017
    Publication date: September 14, 2017
    Applicant: Myometrics, LLC
    Inventors: Stephen Douglas Barrett, Fred Lawrence Ciske, Joseph Michael Colombo, Gregory William Endress, Bradlee David Germain, Andriy Komilov, James Bernard Kramer, Adam Uzieblo, Thomas Allen Owen, James Paul O'Malley
  • Difluorolactam compositions for EP-mediated osteo related diseases and conditions
    Patent number: 9701630
    Abstract: Disclosed herein are compositions and methods of treating osteroporosis, bone fracture, bone loss, and increasing bone density by administration of compounds of formula (I) or compositions comprising a compound of formula (I) and a pharmaceutically acceptable carrier, wherein L1, L2, L4, R1, R4, R5, R6, and s are as defined in the specification.
    Type: Grant
    Filed: August 2, 2016
    Date of Patent: July 11, 2017
    Assignees: Cayman Chemical Company, Inc., Myometrics, LLC
    Inventors: Stephen Douglas Barrett, Fred Lawrence Ciske, Joseph Michael Colombo, Gregory William Endres, Bradlee David Germain, Andriy Kornilov, James Bernard Kramer, Adam Uzieblo, Thomas Allen Owen, James Paul O'Malley
  • Lactam compounds as EPreceptor-selective agonists for use in the treatment of EP4-mediated diseases and conditions
    Patent number: 9688627
    Abstract: Disclosed herein are compounds of formula (I) wherein L1, L2, L3, L4, R1, R4, R5, R6, and s are as defined in the specification. Compounds of formula (I) are EP4 agonists useful in the treatment of glaucoma, osteoporosis, bone fracture, periodontal bone loss, orthopedic implant, alopecia, neuropathic pain, and related disorders. Pharmaceutical compositions and methods of treating conditions or disorders are also described.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: June 27, 2017
    Assignee: CAYMAN CHEMICAL COMPANY, INC.
    Inventors: Stephen Douglas Barrett, Joseph Michael Colombo, Bradlee David Germain, Gregory William Endres, Andriy Komilov, James Bernard Kramer, Adam Uzieblo, Fred Lawrence Ciske, Kirk M. Maxey, James Paul O'Malley, Thomas Allen Owen
  • Lactam compounds as EPreceptor-selective agonists for use in the treatment of EP-mediated diseases and conditions
    Patent number: 9676712
    Abstract: Disclosed herein are compounds of formula (I) wherein L1, L2, L3, R1, R4, R5, and R6 are as defined in the specification. Compounds of formula (I) are EP4 agonists useful in the treatment of glaucoma, osteoporosis, bone fracture, periodontal bone loss, orthopedic implant, alopecia, neuropathic pain, and related disorders. Pharmaceutical compositions and methods of treating conditions or disorders are also described.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: June 13, 2017
    Assignee: CAYMAN CHEMICAL COMPANY, INC.
    Inventors: Stephen Douglas Barrett, Bradlee David Germain, Adam Uzieblo, Fred Lawrence Ciske, Gregory William Endres, Andriy Kornilov, Kirk M. Maxey, James Paul O'Malley, Thomas Allen Owen
  • DIFLUOROLACTAM COMPOUNDS AS EP4 RECEPTOR-SELECTIVE AGONISTS FOR USE IN THE TREATMENT OF EP4-MEDIATED DISEASES AND CONDITIONS
    Publication number: 20170066751
    Abstract: Disclosed herein are compounds of formula (I) and therapeutic methods of treatment with compounds of formula (I), wherein L1, L2, L4, R1, R4, R5, R6, and s are as defined in the specification. Compounds of formula (I) are EP4 agonists useful in the treatment of glaucoma, neuropathic pain, and related disorders.
    Type: Application
    Filed: September 16, 2016
    Publication date: March 9, 2017
    Inventors: Stephen Douglas Barrett, Fred Lawrence Ciske, Joseph Michael Colombo, Gregory William Endres, Bradlee David Germain, Andriy Komilov, James Bernard Kramer, Adam Uzieblo, Kirk M. Maxey
  • DIFLUOROLACTAM COMPOSITIONS FOR EP4-MEDIATED OSTEO RELATED DISEASES AND CONDITIONS
    Publication number: 20160340306
    Abstract: Disclosed herein are compositions and methods of treating osteroporosis, bone fracture, bone loss, and increasing bone density by administration of compounds of formula (I) or compositions comprising a compound of formula (I) and a pharmaceutically acceptable carrier, wherein L1, L2, L4, R1, R4, R5, R6, and s are as defined in the specification.
    Type: Application
    Filed: August 2, 2016
    Publication date: November 24, 2016
    Inventors: Stephen Douglas Barrett, Fred Lawrence Ciske, Joseph Michael Colombo, Gregory William Endres, Bradlee David Germain, Andriy Kornilov, James Bernard Kramer, Adam Uzieblo, Thomas Allen Owen, James Paul O'Malley
  • Difluorolactam compounds as EP4 receptor-selective agonists for use in the treatment of EP4-mediated diseases and conditions
    Patent number: 9487478
    Abstract: Disclosed herein are compounds of formula (I) and therapeutic methods of treatment with compounds of formula (I), wherein L1, L2, L4, R1, R4, R5, R6, and s are as defined in the specification. Compounds of formula (I) are EP4 agonists useful in the treatment of glaucoma, neuropathic pain, and related disorders.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: November 8, 2016
    Assignee: Cayman Chemical Company, Inc.
    Inventors: Stephen Douglas Barrett, Fred Lawrence Ciske, Joseph Michael Colombo, Gregory William Endres, Bradlee David Germain, Andriy Kornilov, James Bernard Kramer, Adam Uzieblo, Kirk M. Maxey