Patents by Inventor Wujun DAI

Wujun DAI 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).

  • Carrier for silver catalyst, its preparation, a silver catalyst made from the same and its use
    Patent number: 9144793
    Abstract: The present invention discloses an alumina carrier for a silver catalyst, a process for preparing the alumina carrier, a silver catalyst made from the alumina carrier, and a use of the silver catalyst in the production of ethylene oxide by the oxidization of ethylene. The alumina carrier comprises alumina and promoters, as well as titanium silicate molecular sieve(s); and therefore, has an improved catalytic activity.
    Type: Grant
    Filed: December 28, 2011
    Date of Patent: September 29, 2015
    Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
    Inventors: Jinbing Li, Xianfeng Li, Wei Lin, Qiang Lin, Jianshe Chen, Zhixiang Zhang, Shuyuan Cao, Shujuan Wang, Wujun Dai
  • CARRIER FOR SILVER CATALYST, ITS PREPARATION, A SILVER CATALYST MADE FROM THE SAME AND ITS USE
    Publication number: 20120172608
    Abstract: The present invention discloses an alumina carrier for a silver catalyst, a process for preparing the alumina carrier, a silver catalyst made from the alumina carrier, and a use of the silver catalyst in the production of ethylene oxide by the oxidization of ethylene. The alumina carrier comprises alumina and promoters, as well as titanium silicate molecular sieve(s); and therefore, has an improved catalytic activity.
    Type: Application
    Filed: December 28, 2011
    Publication date: July 5, 2012
    Applicants: Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
    Inventors: Jinbing LI, Xianfeng LI, Wei LIN, Qiang LIN, Jianshe CHEN, Zhixiang ZHANG, Shuyuan CAO, Shujuan WANG, Wujun DAI