Patents by Inventor Xunpei Liu

Xunpei Liu 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).

  • Patent number: 10442982
    Abstract: To deliver surfactants or tracers to underground oil fields, inorganic encapsulated surfactant nanoparticles or microparticles that are stable for several weeks under high temperature and high salt conditions can be used.
    Type: Grant
    Filed: May 20, 2016
    Date of Patent: October 15, 2019
    Assignee: MASSACHUSETTS INSTITUTE OF TECHNOLOGY
    Inventors: Angela M. Belcher, Nurxat Nuraje, Yu Lei, Hiroshi Atsumi, Xunpei Liu
  • Publication number: 20160340569
    Abstract: To deliver surfactants or tracers to underground oil fields, inorganic encapsulated surfactant nanoparticles or microparticles that are stable for several weeks under high temperature and high salt conditions can be used.
    Type: Application
    Filed: May 20, 2016
    Publication date: November 24, 2016
    Applicant: MASSACHUSETTS INSTITUTE OF TECHNOLOGY
    Inventors: Angela M. Belcher, Nurxat Nuraje, Yu Lei, Hiroshi Atsumi, Xunpei Liu