Patents by Inventor Keduo Qian

Keduo Qian 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).

  • 20()-sulfonylamidine derivatives of camptothecin and the use thereof as a potent antitumor agent
    Patent number: 9718835
    Abstract: The present invention is related to novel 20-sulfonylamidine derivatives of camptothecin (1), method of synthesizing the same, and use thereof as an antitumor agent, for examples an antitumor agent for treating nasopharyngeal, lung, breast or prostate cancer.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: August 1, 2017
    Assignees: CHINA MEDICAL UNIVERSITY HOSPITAL, THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL
    Inventors: Kuo-Hsiung Lee, Keduo Qian, Xiaoming Yang, Masuo Goto, Ying-Qian Liu, Yong-Long Zhao, Liu Yang, Mei-Juan Wang, Zhi-Jun Zhang, Tian-Shung Wu, Che-Ming Teng, Chih-Ya Wang, Shiow-Lin Pan, Sheng-Chu Kuo, Hsin-Yi Hung, Ling-Chu Chang, Yang-Chang Wu, Min-Tsang Hsieh, Chung Y. Hsu, Woei-Cherng Shyu, Chen-Huan Lin
  • NOVEL 20(S)-SULFONYLAMIDINE DERIVATIVES OF CAMPTOTHECIN AND THE USE THEREOF AS A POTENT ANTITUMOR AGENT
    Publication number: 20160229862
    Abstract: The present invention is related to novel 20-sulfonylamidine derivatives of camptothecin (1), method of synthesizing the same, and use thereof as an antitumor agent, for examples an antitumor agent for treating nasopharyngeal, lung, breast or prostate cancer.
    Type: Application
    Filed: September 26, 2014
    Publication date: August 11, 2016
    Inventors: Kuo-Hsiung LEE, Keduo QIAN, Xiaoming YANG, Masuo GOTO, Ying-Qian LIU, Yong-Long ZHAO, Liu YANG, Mei-Juan WANG, Zhi-Jun ZHANG, Tian-Shung WU, Che-Ming TENG, Chih-Ya WANG, Shiow-Lin PAN, Sheng-Chu KUO, Hsin-Yi HUNG, Ling-Chu CHANG, Yang-Chang WU, Min-Tsang HSIEH, Chung Y. HSU, Woei-Cherng SHYU, Chen-Huan LIN
  • 3,28-DISUBSTITUTED BETULINIC ACID DERIVATIVES AS ANTI-HIV AGENTS
    Publication number: 20120101098
    Abstract: Compounds according to Formula (I) are described along with compositions containing the same and methods of use thereof for the treatment of viral infections.
    Type: Application
    Filed: May 10, 2010
    Publication date: April 26, 2012
    Inventors: Kuo-Hsiung Lee, Keduo Qian, Donglei Yu, Chin-Ho Chen, Li Huang, Ibrahim Danlami Bori