Patents by Inventor Jianrui NIU

Jianrui NIU 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).

  • Method for preparing single crystal of anhydrous halogenated choline or derivative thereof
    Patent number: 10626079
    Abstract: Disclosed is a method for preparing high-quality anhydrous choline halide single crystal and its derivatives. The single crystal product has good stability of light and heat. It also has the advantages of moisture resistant, deliquescent resistance and is not easy to agglomerate. The method is simple in operation. The solvent used in the process is difficult to volatilize and can be recycled.
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: April 21, 2020
    Assignee: HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Erhong Duan, Shaohan Lian, Zidan Chen, Hongwei Ren, Hua Sun, Jianrui Niu
  • METHOD FOR PREPARING SINGLE CRYSTAL OF ANHYDROUS HALOGENATED CHOLINE OR DERIVATIVE THEREOF
    Publication number: 20200039918
    Abstract: Disclosed is a method for preparing high-quality anhydrous choline halide single crystal and its derivatives. The single crystal product has good stability of light and heat. It also has the advantages of moisture resistant, deliquescent resistance and is not easy to agglomerate. The method is simple in operation. The solvent used in the process is difficult to volatilize and can be recycled.
    Type: Application
    Filed: April 28, 2017
    Publication date: February 6, 2020
    Inventors: Erhong DUAN, Shaohan LIAN, Zidan CHEN, Hongwei REN, Hua SUN, Jianrui NIU