Patents by Inventor Zhongchao Ma

Zhongchao Ma 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).

  • Modified sodium-montmorillonite, preparation method and uses thereof
    Patent number: 9095542
    Abstract: Provided are a modified Na-montmorillonite and a preparation method thereof, wherein the content of Na+ in the modified sodium-montmorillonite, calculated as Na2O, is not less than 2.0%. The modified Na-montmorillonite has more reasonable microstructure, higher performance, and better quality. Also provided are a method for preparing a modified nanometered Na-montmorillonite from the modified Na-montmorillonite, and the modified nanometered Na-montmorillonite obtained by the method. Also provided are uses and a pharmaceutical composition of the modified Na-montmorillonite or modified nanometered Na-montmorillonite.
    Type: Grant
    Filed: January 8, 2010
    Date of Patent: August 4, 2015
    Assignee: HAILISHENG PHARMACEUTICAL CO., LTD
    Inventors: Haihui Zheng, Guanglie Lv, Zhiguo Xia, Nian Xu, Sheng Le, Zhongchao Ma, Yufeng Chi, Wenbo Chen, Jixin Chen
  • MODIFIED SODIUM-MONTMORILLONITE, PREPARATION METHOD AND USES THEREOF
    Publication number: 20120003328
    Abstract: Provided are a modified Na-montmorillonite and a preparation method thereof, wherein the content of Na+ in the modified sodium-montmorillonite, calculated as Na2O, is not less than 2.0%. The modified Na-montmorillonite has more reasonable microstructure, higher performance, and better quality. Also provided are a method for preparing a modified nanometered Na-montmorillonite from the modified Na-montmorillonite, and the modified nanometered Na-montmorillonite obtained by the method. Also provided are uses and a pharmaceutical composition of the modified Na-montmorillonite or modified nanometered Na-montmorillonite.
    Type: Application
    Filed: January 8, 2010
    Publication date: January 5, 2012
    Inventors: Haihui Zheng, Guanglie Lv, Zhiguo Xia, Nian Xu, Sheng Le, Zhongchao Ma, Yufeng Chi, Wenbo Chen, Jixin Chen