Patents by Inventor De SHI

De SHI 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).

  • Process and apparatus for recycling and refining propylene
    Patent number: 10160700
    Abstract: An apparatus for recycling propylene includes a first propylene recovery column, a flash tank, a second propylene recovery column, and a depropanizing column. The apparatus can effectively solve the problem of high power consumption in the prior art, and can be used for the industrial manufacturing of propylene recovery from a propylene oxide apparatus. A process for recycling and refining propylene also is described.
    Type: Grant
    Filed: July 22, 2015
    Date of Patent: December 25, 2018
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY SINOPEC
    Inventors: Weisheng Yang, Mujin Li, De Shi, Zhi He
  • PROCESS AND APPARATUS FOR RECYCLING AND REFINING PROPYLENE
    Publication number: 20160023965
    Abstract: An apparatus for recycling propylene includes a first propylene recovery column, a flash tank, a second propylene recovery column, and a depropanizing column. The apparatus can effectively solve the problem of high power consumption in the prior art, and can be used for the industrial manufacturing of propylene recovery from a propylene oxide apparatus. A process for recycling and refining propylene also is described.
    Type: Application
    Filed: July 22, 2015
    Publication date: January 28, 2016
    Applicants: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY SINOPEC
    Inventors: Weisheng YANG, Mujin LI, De SHI, Zhi HE
  • Handheld terminal device
    Patent number: D1024077
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: April 23, 2024
    Assignee: Ingenico (Fujian) Technology Co., Ltd.
    Inventors: Huifang Cai, Luming Ye, Dengxi Li, Haiou Li, De Shi