Patents by Inventor Quanwen ZHAO

Quanwen ZHAO 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).

  • MODIFIED ASPHALT BINDER OR MIXTURE, AND PREPARATION METHOD THEREFOR
    Publication number: 20230392014
    Abstract: A modified asphalt binder according to the present application includes natural asphalt and petroleum asphalt with a weight ratio of (30-70):(70-30), wherein the ash content in the natural asphalt is up to 60% based on the natural asphalt, and the volume percentage of a trichloroethylene-insoluble-substances with particle size of more than 6 microns in the asphalt binder is less than 10%.
    Type: Application
    Filed: August 21, 2023
    Publication date: December 7, 2023
    Applicants: XI'AN ZHONGLI ASPHALT CO., LTD., XI'AN LUCHANGTONG TRANSPORTATION TECHNOLOGY DEVELOPMENT CO., LTD
    Inventors: Yun ZENG, Ling ZHANG, Qiaoning ZHANG, Xiaoli JI, Ziyang ZHANG, Quanwen ZHAO, Xiaodong HAN, Xiaohong ZHANG
  • HIGH-MODULUS ASPHALT BINDER AND MIXTURE, AND PREPARATION METHOD FOR HIGH-MODULUS ASPHALT BINDER
    Publication number: 20230392015
    Abstract: A high-modulus asphalt binder of the present application includes 100 parts by weight of asphalt consisting of natural asphalt and petroleum asphalt in a weight ratio of 20-50:80-50, and 1-10 parts by weight of a modifier, wherein the ash content of the natural asphalt is as high as 60 wt % based on the weight of the natural asphalt, and trichloroethylene insoluble particles having a particle size of 10 microns or more in the asphalt binder are in a volume ratio of 5% or less.
    Type: Application
    Filed: August 21, 2023
    Publication date: December 7, 2023
    Applicants: XI'AN ZHONGLI ASPHALT CO., LTD., XI'AN LUCHANGTONG TRANSPORTATION TECHNOLOGY DEVELOPMENT CO., LTD
    Inventors: Yun ZENG, Ling ZHANG, Xiaoli JI, Qiaoning ZHANG, Ziyang ZHANG, Quanwen ZHAO, Xiaodong HAN, Xiaohong ZHANG