Patents by Inventor Xujiang Sun

Xujiang Sun 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).

  • Information Interaction Method, Server, Non-OBU onboard Terminal, and Storage Medium
    Publication number: 20230316922
    Abstract: An information interaction method, a server, a non-OBU onboard terminal, and a storage medium. The information interaction method comprises: a server acquires at least two pieces of vehicle information, wherein at least one piece of vehicle information comes from a non-OBU onboard terminal (S100); the server generates vehicle early-warning information according to the at least two pieces of vehicle information (S200); and the server sends the vehicle early-warning information to the non-OBU onboard terminal, so that the non-OBU onboard terminal pushes early-warning notification information according to the vehicle early-warning information (S300).
    Type: Application
    Filed: May 8, 2021
    Publication date: October 5, 2023
    Inventor: Xujiang SUN
  • Process for purification of DMT by film crystallization
    Patent number: 5542372
    Abstract: This invention relates to a single crystallization process for purification of dimethyl terephtalate (DMT) by film crystallization, including pumping the raw DMT into a film crystallizer and reducing its temperature to form DMT crystalline on the walls of the crystallizing pipes in the crystallizer, and then heating the crystallizing pipes and collecting the melt at 140.degree.-145.degree. C. The product DMT is thus obtained.
    Type: Grant
    Filed: November 10, 1994
    Date of Patent: August 6, 1996
    Assignee: Tianjin Petro-Chemical Corporation
    Inventors: Xujiang Sun, Junmin Zhang, Tongshun Wang, Jun Zhang, Hong Su, Hongxia Xia