Patents by Inventor Xiangna ZHANG

Xiangna ZHANG 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).

  • Publication number: 20240033224
    Abstract: An enteric-coated pellet, a method for preparing the same and a formulation comprising the same are provided. The enteric-coated pellet can be an ilaprazole enteric-coated pellet.
    Type: Application
    Filed: November 12, 2021
    Publication date: February 1, 2024
    Inventors: Pucheng LI, Yating MO, Xiangna ZHANG, Xuemei HOU, Yannan CUI, Siwen HU, Caihua CHENG, Weishan LIN, Zengqing TU, Yurong ZHANG, Hongdan SHEN, Shenchao JIAO, Yang FENG, Zhihui HAN, Lei WU, Zhuanxia ZHANG
  • Publication number: 20210260046
    Abstract: The present invention relates to a pharmaceutical composition containing ilaprazole or a salt thereof, and a preparation method therefor. The pharmaceutical composition contains or consists of ilaprazole or a salt thereof, and a ilaprazole derivative, wherein the amount of the ilaprazole derivative in the pharmaceutical composition is not higher than 1.3 wt % (less than or equal to 1.3 wt %). The composition can be used for treating peptic ulcer bleeding and stress ulcer and preventing upper gastrointestinal hemorrhage caused by severe diseases.
    Type: Application
    Filed: October 24, 2018
    Publication date: August 26, 2021
    Inventors: Tao WANG, Xuemei HOU, Caihua CHENG, Wenqi LU, Xiangsheng KONG, Xiangna ZHANG, Zengqing TU, Yurong ZHANG, Xiaohong WU, Jing LI, Hongdan CHEN, Jialu CHEN