Patents by Inventor Xiansheng Leng

Xiansheng Leng 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: 9938281
    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: November 15, 2013
    Date of Patent: April 10, 2018
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Abdelghani Abe Achab, Michael D. Altman, Yongqi Deng, Solomon Kattar, Jason D. Katz, Joey L. Methot, Hua Zhou, Meredeth McGowan, Matthew P. Christopher, Yudith Garcia, Neville John Anthony, Francesc Xavier Fradera Llinas, Liping Yang, Changwei Mu, Xiaona Wang, Feng Shi, Baijun Ye, Sixing Zhang, Xiaoli Zhao, Rong Zhang, Kin Chiu Fong, Xiansheng Leng
  • Purine inhibitors of human phosphatidylinositol 3-kinase delta
    Patent number: 9730940
    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: November 15, 2013
    Date of Patent: August 15, 2017
    Assignee: Merck Sharp & Dohme
    Inventors: Abdelghani Abe Achab, Michael D. Altman, Yongqi Deng, Timothy Guzi, Solomon Kattar, Jason D. Katz, Joey L. Methot, Hua Zhou, Meredeth McGowan, Matthew P. Christopher, Yudith Garcia, Neville John Anthony, Francesc Xavier Fradera Llinas, Kin Chiu Fong, Xiansheng Leng, Changwei Mu, Sixing Zhang, Rong Zhang
  • PURINE INHIBITORS OF HUMAN PHOSPHATIDYLINOSITOL 3-KINASE DELTA
    Publication number: 20160207926
    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 inflamation, asthma, COPD and cancer.
    Type: Application
    Filed: November 15, 2013
    Publication date: July 21, 2016
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Abdelghani Abe Achab, Michael D. Altman, Yongqi Deng, Solomon Kattar, Jason D. Katz, Joey L. Methot, Hua Zhou, Meredeth McGowan, Matthew P. Christopher, Yudith Garcia, Neville John Anthony, Francesc Xavier Fradera Llinas, Liping Yang, Changwei Mu, Xiaona Wang, Feng Shi, Baijun Ye, Sixing Zhang, Xiaoli Zhao, Rong Zhang, Kin Chiu Fong, Xiansheng Leng
  • PURINE INHIBITORS OF HUMAN PHOSPHATIDYLINOSITOL 3-KINASE DELTA
    Publication number: 20150353552
    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: November 15, 2013
    Publication date: December 10, 2015
    Inventors: Abdelghani Abe Achab, Michael D. Altman, Yongqi Deng, Timothy Guzi, Solomon Kattar, Jason D. Katz, Joey L. Methot, Hua Zhou, Meredeth McGowan, Matthew P. Christopher, Yudith Garcia, Neville John Anthony, Francesc Xavier Fradera Llinas, Kin Chiu Fong, Xiansheng Leng, Changwei Mu, Sixing Zhang, Rong Zhang