Patents by Inventor A. Samuel Vellekoop

A. Samuel Vellekoop 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: 20240051925
    Abstract: The disclosure describes a method of preparing pyridazinone derivatives comprising contacting a compound of formula (I) or a salt thereof: with a compound of formula (II) or a salt thereof: to form a compound of formula (III) or a salt thereof: A compound of formula (III) can then be converted to a compound of formula (IV): which can be used for preparing compounds for treating a liver disease or disorder, or a lipid disease or disorder.
    Type: Application
    Filed: October 20, 2021
    Publication date: February 15, 2024
    Inventors: Pasquale N. CONFALONE, A. Samuel VELLEKOOP
  • Publication number: 20230348501
    Abstract: The present invention relates to compounds and methods useful as inhibitors of phosphodiesterase 4 (PDE4) for the treatment or prevention of inflammatory diseases and other diseases involving elevated levels of cytokines and proinflammatory mediators.
    Type: Application
    Filed: July 11, 2023
    Publication date: November 2, 2023
    Inventors: Mark E. GURNEY, Timothy J. HAGEN, Xuesheng MO, A. Samuel VELLEKOOP, Donna L. ROMERO, Robert CAMPBELL, Joel R. WALKER, Lei ZHU
  • Patent number: 11767334
    Abstract: The present invention relates to compounds and methods useful as inhibitors of phosphodiesterase 4 (PDE4) for the treatment or prevention of inflammatory diseases and other diseases involving elevated levels of cytokines and proinflammatory mediators.
    Type: Grant
    Filed: June 23, 2022
    Date of Patent: September 26, 2023
    Assignee: Tetra Discovery Partners, LLC
    Inventors: Mark E. Gurney, Timothy J. Hagen, Xuesheng Mo, A. Samuel Vellekoop, Donna L. Romero, Robert Campbell, Joel R. Walker, Lei Zhu
  • Publication number: 20230024240
    Abstract: The present invention relates to compounds and methods useful as inhibitors of phosphodiesterase 4 (PDE4) for the treatment or prevention of inflammatory diseases and other diseases involving elevated levels of cytokines and proinflammatory mediators.
    Type: Application
    Filed: June 23, 2022
    Publication date: January 26, 2023
    Inventors: Mark E. GURNEY, Timothy J. HAGEN, Xuesheng MO, A. Samuel VELLEKOOP, Donna L. ROMERO, Robert CAMPBELL, Joel R. WALKER, Lei ZHU
  • Patent number: 11401286
    Abstract: The present invention relates to compounds and methods useful as inhibitors of phosphodiesterase 4 (PDE4) for the treatment or prevention of inflammatory diseases and other diseases involving elevated levels of cytokines and proinflammatory mediators.
    Type: Grant
    Filed: February 4, 2020
    Date of Patent: August 2, 2022
    Assignee: Tetra Discovery Partners, LLC
    Inventors: Mark E. Gurney, Timothy J. Hagen, Xuesheng Mo, A. Samuel Vellekoop, Donna L. Romero, Robert Campbell, Joel R. Walker, Lei Zhu
  • Publication number: 20200354384
    Abstract: The present invention relates to compounds and methods useful as inhibitors of phosphodiesterase 4 (PDE4) for the treatment or prevention of inflammatory diseases and other diseases involving elevated levels of cytokines and proinflammatory mediators.
    Type: Application
    Filed: February 4, 2020
    Publication date: November 12, 2020
    Inventors: Mark E. GURNEY, Timothy J. HAGEN, Xuesheng MO, A. Samuel VELLEKOOP, Donna L. ROMERO, Robert CAMPBELL, Joel R. WALKER, Lei ZHU
  • Patent number: 10626129
    Abstract: The present invention relates to compounds and methods useful as inhibitors of phosphodiesterase 4 (PDE4) for the treatment or prevention of inflammatory diseases and other diseases involving elevated levels of cytokines and proinflammatory mediators.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: April 21, 2020
    Assignee: Tetra Discovery Partners, LLC
    Inventors: Mark E. Gurney, Timothy J. Hagen, Xuesheng Mo, A. Samuel Vellekoop, Donna L. Romero, Robert Campbell, Joel R. Walker, Lei Zhu
  • Publication number: 20190270759
    Abstract: The present invention relates to compounds and methods useful as inhibitors of phosphodiesterase 4 (PDE4) for the treatment or prevention of inflammatory diseases and other diseases involving elevated levels of cytokines and proinflammatory mediators.
    Type: Application
    Filed: April 26, 2019
    Publication date: September 5, 2019
    Inventors: Mark E. GURNEY, Timothy J. HAGEN, Xuesheng MO, A. Samuel VELLEKOOP, Donna L. ROMERO, Robert CAMPBELL, Joel R. WALKER, Lei ZHU
  • Patent number: 10364258
    Abstract: The present invention relates to compounds and methods useful as inhibitors of phosphodiesterase 4 (PDE4) for the treatment or prevention of inflammatory diseases and other diseases involving elevated levels of cytokines and proinflammatory mediators.
    Type: Grant
    Filed: August 24, 2018
    Date of Patent: July 30, 2019
    Assignee: Tetra Discovery Partners, LLC
    Inventors: Mark E. Gurney, Timothy J. Hagen, Xuesheng Mo, A. Samuel Vellekoop, Donna L. Romero, Robert F. Campbell, Joel R. Walker, Lei Zhu
  • Publication number: 20190055269
    Abstract: The present invention relates to compounds and methods useful as inhibitors of phosphodiesterase 4 (PDE4) for the treatment or prevention of inflammatory diseases and other diseases involving elevated levels of cytokines and proinflammatory mediators.
    Type: Application
    Filed: August 24, 2018
    Publication date: February 21, 2019
    Inventors: Mark E. GURNEY, Timothy J. HAGEN, Xuesheng MO, A. Samuel VELLEKOOP, Donna L. ROMERO, Robert F. CAMPBELL, Joel R. WALKER, Lei ZHU
  • Patent number: 10093686
    Abstract: The present invention relates to compounds and methods useful as inhibitors of phosphodiesterase 4 (PDE4) for the treatment or prevention of inflammatory diseases and other diseases involving elevated levels of cytokines and proinflammatory mediators.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: October 9, 2018
    Assignee: Tetra Discovery Partners, LLC
    Inventors: Mark E. Gurney, Timothy J. Hagen, Xuesheng Mo, A. Samuel Vellekoop, Donna L. Romero, Robert F. Campbell, Joel R. Walker, Lei Zhu
  • Publication number: 20170342094
    Abstract: The present invention relates to compounds and methods useful as inhibitors of phosphodiesterase 4 (PDE4) for the treatment or prevention of inflammatory diseases and other diseases involving elevated levels of cytokines and proinflammatory mediators.
    Type: Application
    Filed: August 18, 2017
    Publication date: November 30, 2017
    Inventors: Mark E. GURNEY, Timothy J. HAGEN, Xuesheng MO, A. Samuel VELLEKOOP, Donna L. ROMERO, Robert F. CAMPBELL, Joel R. WALKER, Lei ZHU
  • Patent number: 9777024
    Abstract: The present invention relates to compounds and methods useful as inhibitors of phosphodiesterase 4 (PDE4) for the treatment or prevention of disease.
    Type: Grant
    Filed: November 11, 2015
    Date of Patent: October 3, 2017
    Assignee: Tetra Discovery Partners, LLC
    Inventors: Mark E. Gurney, Timothy J. Hagen, Xuesheng Mo, A. Samuel Vellekoop, Donna L. Romero, Robert F. Campbell, Joel R. Walker, Lei Zhu
  • Publication number: 20160137672
    Abstract: The present invention relates to compounds and methods useful as inhibitors of phosphodiesterase 4 (PDE4) for the treatment or prevention of disease.
    Type: Application
    Filed: November 11, 2015
    Publication date: May 19, 2016
    Inventors: Mark E. Gurney, Timothy J. Hagen, Xuesheng Mo, A. Samuel Vellekoop, Donna L. Romero, Robert F. Campbell, Joel R. Walker, Lei Zhu
  • Patent number: 9221843
    Abstract: The present invention relates to compounds and methods useful as inhibitors of phosphodiesterase 4 (PDE4) for the treatment or prevention of disease.
    Type: Grant
    Filed: October 24, 2013
    Date of Patent: December 29, 2015
    Assignee: Tetra Discovery Partners, LLC
    Inventors: Mark E. Gurney, Timothy J. Hagen, Xuesheng Mo, A. Samuel Vellekoop, Donna L. Romero, Robert F. Campbell, Joel R. Walker, Lei Zhu
  • Publication number: 20150119362
    Abstract: The present invention relates to compounds and methods useful as inhibitors of phosphodiesterase 4 (PDE4) for the treatment or prevention of disease.
    Type: Application
    Filed: October 24, 2013
    Publication date: April 30, 2015
    Inventors: Mark E. Gurney, Timothy J. Hagen, Joel R. Walker, Xuesheng Mo, A. Samuel Vellekoop, Robert Campbell, Lei Zhu, Donna L. Romero