Patents by Inventor Chenchao BIAN

Chenchao BIAN 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 synthesizing paraphthaloyl chloride through continuous flow in microchannel reactor
    Patent number: 10689321
    Abstract: The disclosure provides a method for synthesizing paraphthaloyl chloride through terephthalic acid chlorination in a reaction mode of a microchannel continuous flow. Compared with an existing technology, this method has characteristics of accurate control of reaction conditions, high phosgene/triphosgene utilization ratio, low catalyst dosage, high TPA conversion ratio within few tens of seconds of reaction time, high TPC yield and the like.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: June 23, 2020
    Assignee: Jiangsu Yangnong Chemical Group Co., Ltd
    Inventors: Lin Xu, Yiming Wang, Bo Shao, Kehong Ding, Hui Yan, Chenchao Bian, Hui Zhao, Yushuang Wang
  • Method for synthesizing paraphthaloyl chloride through continuous flow in microchannel reactor
    Publication number: 20190185405
    Abstract: The disclosure provides a method for synthesizing paraphthaloyl chloride through terephthalic acid chlorination in a reaction mode of a microchannel continuous flow. Compared with an existing technology, this method has characteristics of accurate control of reaction conditions, high phosgene/triphosgene utilization ratio, low catalyst dosage, high TPA conversion ratio within few tens of seconds of reaction time, high TPC yield and the like.
    Type: Application
    Filed: July 7, 2017
    Publication date: June 20, 2019
    Inventors: Lin XU, Yiming WANG, Bo SHAO, Kehong DING, Hui YAN, Chenchao BIAN, Hui ZHAO, Yushuang WANG