Patents by Inventor Xiangchao SHENG

Xiangchao SHENG 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).

  • Karst channel type water inrush efficient-blocking ultra-high expansion grouting material and preparation and using methods and application thereof
    Patent number: 12116315
    Abstract: A karst channel type water inrush efficient-blocking ultra-high expansion grouting material, preparation, methods and application thereof, the grouting material includes macromolecule polymer particles A and a cross-linking solidifying fluid B, wherein the macromolecule polymer particles A are an inlaid type core-shell structure, primary macromolecule water-absorbent resin serves as an inner core, part of a gelling catalyzer is attached to an the inner core surface forming a shell, and the gelling catalyzer permeates the inner core forming an inlaid structure; before use, the macromolecule polymer particle A and the cross-linking solidifying fluid B are stirred; and then obtained mixed liquid is used as the grouting material to be injected into a fracture of a rock mass fracture zone.
    Type: Grant
    Filed: November 3, 2020
    Date of Patent: October 15, 2024
    Assignee: SHANDONG UNIVERSITY
    Inventors: Shucai Li, Rentai Liu, Chenyang Ma, Mengjun Chen, Jiwen Bai, Zhenjun Wang, Huasheng Zhang, Shaolong Duan, Jiawei Tian, Mi Zhang, Chunyu Zhang, Xiuhao Li, Xiangchao Sheng
  • KARST CHANNEL TYPE WATER INRUSH EFFICIENT-BLOCKING ULTRA-HIGH EXPANSION GROUTING MATERIAL AND PREPARATION AND USING METHODS AND APPLICATION THEREOF
    Publication number: 20220048821
    Abstract: A karst channel type water inrush efficient-blocking ultra-high expansion grouting material, preparation, methods and application thereof, the grouting material includes macromolecule polymer particles A and a cross-linking solidifying fluid B, wherein the macromolecule polymer particles A are an inlaid type core-shell structure, primary macromolecule water-absorbent resin serves as an inner core, part of a gelling catalyzer is attached to an the inner core surface forming a shell, and the gelling catalyzer permeates the inner core forming an inlaid structure; before use, the macromolecule polymer particle A and the cross-linking solidifying fluid B are stirred; and then obtained mixed liquid is used as the grouting material to be injected into a fracture of a rock mass fracture zone.
    Type: Application
    Filed: November 3, 2020
    Publication date: February 17, 2022
    Applicant: SHANDONG UNIVERSITY
    Inventors: Shucai LI, Rentai LIU, Chenyang MA, Mengjun CHEN, Jiwen BAI, Zhenjun WANG, Huasheng ZHANG, Shaolong DUAN, Jiawei TIAN, Mi ZHANG, Chunyu ZHANG, Xiuhao LI, Xiangchao SHENG