Patents by Inventor David James Witter

David James Witter 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).

  • Purine inhibitors of human phosphatidylinositol 3-kinase delta
    Patent number: 11230547
    Abstract: The instant invention provides compounds of formulas Ia and Ib which are PI3K-delta inhibitors, and as such are useful for the treatment of PI3K-delta-mediated diseases such as inflammation, asthma, COPD and cancer.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: January 25, 2022
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Meredeth A. McGowan, Jason D. Katz, Matthew Christopher, Hua Zhou, David James Witter, Chaomin Li, John Lampe, Joey L. Methot, Abdelghani A. Achab, Xavier Fradera, Shimin Xu
  • Purine inhibitors of human phosphatidylinositol 3-kinase delta
    Patent number: 11179389
    Abstract: The instant invention provides compounds of formula I which are PI3K-delta inhibitors, and as such are useful for the treatment of PI3K-delta-mediated diseases such as inflammation, asthma, COPD and cancer.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: November 23, 2021
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Meredeth A. McGowan, Jason D. Katz, Hua Zhou, David James Witter, Chaomin Li, Kathryn A. Lipford, Joey L. Methot, Abdelghani A. Achab, Xavier Fradera, Shimin Xu, Jianmin Fu
  • PURINE INHIBITORS OF HUMAN PHOSPHATIDYLINOSITOL 3-KINASE DELTA
    Publication number: 20200392144
    Abstract: The instant invention provides compounds of formulas Ia and Ib which are PI3K-delta inhibitors, and as such are useful for the treatment of PI3K-delta-mediated diseases such as inflammation, asthma, COPD and cancer.
    Type: Application
    Filed: December 12, 2018
    Publication date: December 17, 2020
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Meredeth A. McGowan, Jason D. Katz, Matthew Christopher, Hua Zhou, David James Witter, Chaomin Li, John Lampe, Joey L. Methot, Abdelghani A. Achab, Xavier Fradera, Shimin Xu
  • PURINE INHIBITORS OF HUMAN PHOSPHATIDYLINOSITOL 3-KINASE DELTA
    Publication number: 20200390760
    Abstract: The instant invention provides compounds of formula I which are PI3K-delta inhibitors, and as such are useful for the treatment of PI3K-delta-mediated diseases such as inflammation, asthma, COPD and cancer.
    Type: Application
    Filed: December 12, 2018
    Publication date: December 17, 2020
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Meredeth A. McGowan, Jason D. Katz, Hua Zhou, David James Witter, Chaomin Li, Kathryn A. Lipford, Joey L. Methot, Abdelghani A. Achab, Xavier Fradera, Shimin Xu, Jianmin Fu