Patents by Inventor Fanxue ZENG

Fanxue ZENG 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 treating production wastewater from the preparation of propylene oxide by co-oxidation
    Patent number: 11746033
    Abstract: Method for treating production wastewater from the preparation of propylene oxide by co-oxidation. The wastewater includes a first portion of wastewater having a peroxide content of 2000 mg/L or more and a second portion of wastewater having a peroxide content of 50 mg/L or less.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: September 5, 2023
    Assignee: Wanhua Chemical Group Co., Ltd.
    Inventors: Zhenlong Fan, Yanfeng Dong, Fanxue Zeng, Jianchu Ye, Bingwen Leng, Genhai Yu, Xinchun He, Hongke Zhang
  • METHOD FOR TREATING PRODUCTION WASTEWATER FROM THE PREPARATION OF PROPYLENE OXIDE BY CO-OXIDATION
    Publication number: 20220306506
    Abstract: Method for treating production wastewater from the preparation of propylene oxide by co-oxidation. The wastewater includes a first portion of wastewater having a peroxide content of 2000 mg/L or more and a second portion of wastewater having a peroxide content of 50 mg/L or less.
    Type: Application
    Filed: December 19, 2019
    Publication date: September 29, 2022
    Inventors: Zhenlong FAN, Yanfeng DONG, Fanxue ZENG, Jianchu YE, Bingwen LENG, Genhai YU, Xinchun HE, Hongke ZHANG