Patents by Inventor Chuan S. Niu

Chuan S. Niu 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).

  • Substituted 3-cyanopyridines as protein kinase inhibitors
    Patent number: 7781591
    Abstract: The present teachings provide compounds of formula I and their pharmaceutically acceptable salts, hydrates, and esters, wherein R1, R2, and X are as defined herein. The present teachings also provide methods of making the compounds of formula I, and methods of treating autoimmune and inflammatory diseases by administering a therapeutically effective amount of a compound or compounds of formula I to a mammal including a human.
    Type: Grant
    Filed: June 13, 2007
    Date of Patent: August 24, 2010
    Assignee: Wyeth LLC
    Inventors: Derek Cecil Cole, Diane Harris Boschelli, Yanong Daniel Wang, Magda Asselin, Diane Marie Joseph-McCarthy, Amarnauth Shastrie Prashad, Allan Wissner, Russell Dushin, Biqi Wu, Lawrence Nathan Tumey, Chuan S. Niu, Joan Chen
  • Compounds for treating tumors
    Patent number: 7626023
    Abstract: The invention provides compounds of formula (I): wherein E, A, B?, R6, R7, R8, and R9 are defined in the specification which compounds exhibit anticancer activity and are useful for treating cancer.
    Type: Grant
    Filed: April 17, 2008
    Date of Patent: December 1, 2009
    Assignee: Wyeth
    Inventors: Arie Zask, Joshua Kaplan, Ayako Yamashita, Chuan S. Niu, Gary Harold Birnberg, Emily Norton, Kinwang Cheung, Ronald Suayan, Vincent Sandanayaka, Philip Ross Hamann, Semiramis Ayral-Kaloustian
  • COMPOUNDS FOR TREATING TUMORS
    Publication number: 20080221181
    Abstract: The invention provides compounds of formula (I): wherein E, A, B?, R6, R7, R8, and R9 are defined in the specification which compounds exhibit anticancer activity and are useful for treating cancer.
    Type: Application
    Filed: April 17, 2008
    Publication date: September 11, 2008
    Applicant: Wyeth Holdings Corporation
    Inventors: Arie Zask, Joshua Kaplan, Ayako Yamashita, Chuan S. Niu, Gary Harold Birnberg, Emily Norton, Kinwang Cheung, Ronald Suayan, Vincent Sandanayaka, Philip Ross Hamann, Semiramis Ayral-Kaloustian
  • Compounds for treating tumors
    Patent number: 7390910
    Abstract: The invention provides compounds of formula (I): wherein E, A, B?, R6, R7, R8, and R9 are defined in the specification which compounds exhibit anticancer activity and are useful for treating cancer.
    Type: Grant
    Filed: August 4, 2004
    Date of Patent: June 24, 2008
    Assignee: Wyeth
    Inventors: Arie Zask, Joshua Kaplan, Ayako Yamashita, Chuan S. Niu, Gary Harold Birnberg, Emily Norton, Kinwang Cheung, Ronald Suayan, Vincent Sandanayaka, Philip Ross Hamann, Semiramis Ayral-Kaloustian