Patents by Inventor Mumin WANG

Mumin WANG 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).

  • Polyurethane/polyvinylidene fluoride composite membrane for extracting organic sulfide from naphtha and preparation method therefor
    Patent number: 11458438
    Abstract: The present invention relates to the field of composite membrane and discloses a polyurethane/polyvinylidene fluoride composite membrane for extracting organic sulfide from naphtha. The polyurethane/polyvinylidene fluoride composite membrane includes an active layer and a support layer where the active layer is a polyurethane casting membrane and the support layer is a polyvinylidene fluoride membrane. The polyurethane/polyvinylidene fluoride composite membrane is prepared by coating the active layer onto the support layer. At the same time, a preparation method for the polyurethane/polyvinylidene fluoride composite membrane is disclosed. The present invention has the following beneficial effects: the polyurethane/polyvinylidene fluoride composite membrane prepared in the present invention may be used to extract organic sulfide in naphtha with high separation efficiency.
    Type: Grant
    Filed: December 31, 2018
    Date of Patent: October 4, 2022
    Assignee: CHINA UNIVERSITY OF PETROLEUM(EAST CHINA)
    Inventors: Yingfei Hou, Yang Xu, Mumin Wang, Congcong Chen, Yiyu Li, Qingshan Niu
  • POLYURETHANE/POLYVINYLIDENE FLUORIDE COMPOSITE MEMBRANE FOR EXTRACTING ORGANIC SULFIDE FROM NAPHTHA AND PREPARATION METHOD THEREFOR
    Publication number: 20210308626
    Abstract: The present invention relates to the field of composite membrane and discloses a polyurethane/polyvinylidene fluoride composite membrane for extracting organic sulfide from naphtha. The polyurethane/polyvinylidene fluoride composite membrane includes an active layer and a support layer where the active layer is a polyurethane casting membrane and the support layer is a polyvinylidene fluoride membrane. The polyurethane/polyvinylidene fluoride composite membrane is prepared by coating the active layer onto the support layer. At the same time, a preparation method for the polyurethane/polyvinylidene fluoride composite membrane is disclosed. The present invention has the following beneficial effects: the polyurethane/polyvinylidene fluoride composite membrane prepared in the present invention may be used to extract organic sulfide in naphtha with high separation efficiency.
    Type: Application
    Filed: December 31, 2018
    Publication date: October 7, 2021
    Inventors: Yingfei HOU, Yang XU, Mumin WANG, Congcong CHEN, Yiyu LI, Qingshan NIU