Patents by Inventor Zhixia Zhao

Zhixia 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).

  • 1, 3, 3, 3-tetrafluoropropene preparation process
    Patent number: 9458070
    Abstract: Disclosed is an HFO-1234ze preparation process. The present invention is realized by loading two fluorination catalysts into the same reactor, and controlling the temperature in each section. The preparation process of the present invention is of moderate reaction condition, stable catalyst activity, and simple process.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: October 4, 2016
    Assignees: SINOCHEM MODERN ENVIRONMENTAL PROTECTION CHEMICALS (XI'AN) CO., LTD., Sinochem Lantian Co., Ltd.
    Inventors: Lei Xu, Gang Yang, Huie Yang, Shukang Chen, Zhixia Zhao
  • 1, 3, 3, 3-TETRAFLUOROPROPENE PREPARATION PROCESS
    Publication number: 20150307420
    Abstract: Disclosed is an HFO-1234ze preparation process. The present invention is realized by loading two fluorination catalysts into the same reactor, and controlling the temperature in each section. The preparation process of the present invention is of moderate reaction condition, stable catalyst activity, and simple process.
    Type: Application
    Filed: December 17, 2013
    Publication date: October 29, 2015
    Applicants: Sinochem Lantian Co., Ltd., SINOCHEM MODERN ENVIRONMENTAL PROTECTION CHIMICALS (XI'AN) CO., LTD.
    Inventors: Lei Xu, Gang Yang, Huie Yang, Shukang Chen, Zhixia Zhao