Patents by Inventor Chiqiu Wu

Chiqiu Wu 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).

  • Phosphogypsum non-sintered ceramsite light aggregate and preparation method thereof
    Patent number: 11535556
    Abstract: A phosphogypsum non-sintered ceramsite light aggregate composed of water and a mixture composed of phosphogypsum, mineral powder and cement. Raw materials of the mixture have weight percentages of phosphogypsum 80-90%, mineral powder 3.3-10%, cement 6.5-10%; the water has a weight of 17% of the total weight of the mixture. A method of preparing the phosphogypsum non-sintered ceramsite light aggregate. The phosphogypsum non-sintered ceramsite light aggregate is prepared by modification, granulation, curing, crushing, sieving and other processes by using phosphogypsum as a main material, cement as an alkaline activator, mineral powder as an active material.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: December 27, 2022
    Inventors: Chiqiu Wu, Wei Lyu, Tao Sun, Wenhui Gong, Biao Hu, Yuzhen Wang
  • Phosphogypsum non-sintered ceramsite light aggregate and preparation method thereof
    Publication number: 20210163353
    Abstract: A phosphogypsum non-sintered ceramsite light aggregate composed of water and a mixture composed of phosphogypsum, mineral powder and cement. Raw materials of the mixture have weight percentages of phosphogypsum 80-90%, mineral powder 3.3-10%, cement 6.5-10%; the water has a weight of 17% of the total weight of the mixture. A method of preparing the phosphogypsum non-sintered ceramsite light aggregate. The phosphogypsum non-sintered ceramsite light aggregate is prepared by modification, granulation, curing, crushing, sieving and other processes by using phosphogypsum as a main material, cement as an alkaline activator, mineral powder as an active material.
    Type: Application
    Filed: September 17, 2020
    Publication date: June 3, 2021
    Inventors: Chiqiu Wu, Wei Lyu, Tao Sun, Wenhui Gong, Biao Hu, Yuzhen Wang