Patents Represented by Attorney Feng Shao

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  • Heterocyclic sulfonamides, uses and pharmaceutical compositions thereof
    Patent number: 8278457
    Abstract: The invention is directed to a class of compounds, including the pharmaceutically acceptable salts of the compounds, having the structure of formula I: as defined in the specification. The invention is also directed to compositions containing and uses of the compounds of formula I.
    Type: Grant
    Filed: June 25, 2010
    Date of Patent: October 2, 2012
    Assignee: Pfizer Inc.
    Inventors: Anton F. J. Fliri, Randall James Gallaschun, Christopher John O'Donnell, Jacob Bradley Schwarz, Barbara E. Segelstein
  • Bicyclic and tricyclic compounds as KAT II inhibitors
    Patent number: 8183238
    Abstract: Compounds of Formula X: wherein A, X, Y, Z, R5, R6a, and R6b are as defined herein, and pharmaceutically acceptable salts thereof, are described as useful for the treatment of cognitive deficits associated with schizophrenia and other neurodegenerative and/or neurological disorders in mammals, including humans.
    Type: Grant
    Filed: June 16, 2010
    Date of Patent: May 22, 2012
    Assignee: Pfizer Inc.
    Inventors: Michelle M. Claffey, Amy B. Dounay, Matthew M. Hayward, Suobao Rong, Patrick R. Verhoest, Jamison B. Tuttle, Xinmin Gan