Patents by Inventor Mingkang Yu

Mingkang Yu 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).

  • Device for reaction or separation and a continuous esterification process using the device
    Patent number: 7708952
    Abstract: The present invention relates to a reaction or separation device, wherein the materials circularly flow in a container and a pipe. Said device contains a container and an external circular pipe, wherein the container is a double-chamber structure. The inner chamber consists of an outer cylinder and an inner cylinder with the latter being jacketed by the former, and there is a space between the walls of the outer cylinder and the inner cylinder. The lower end of the outer cylinder is open and higher than the bottom of the container, and the outer cylinder is fixed to the wall or bottom of the container. The upper end of the inner cylinder is open and its lower end connects with the external circular pipe through the feed outlet.
    Type: Grant
    Filed: January 2, 2004
    Date of Patent: May 4, 2010
    Assignees: China Petroleum & Chemical Corporation, Sinopec Shanghai Petrochemical Corporation Limited, China Textile Academy
    Inventors: Zhenxin Chen, Mingkang Yu, Shaopeng Wang
  • Device for reaction or separation and a continuous esterification process using the device
    Publication number: 20070100126
    Abstract: The present invention relates to a reaction or separation device, wherein the materials circularly flow in a container and a pipe. Said device contains a container and an external circular pipe, wherein the container is a double-chamber structure. The inner chamber consists of an outer cylinder and an inner cylinder with the latter being jacketed by the former, and there is a space between the walls of the outer cylinder and the inner cylinder. The lower end of the outer cylinder is open and higher than the bottom of the container, and the outer cylinder is fixed to the wall or bottom of the container. The upper end of the inner cylinder is open and its lower end connects with the external circular pipe through the feed outlet.
    Type: Application
    Filed: January 2, 2004
    Publication date: May 3, 2007
    Applicants: China Petroleum & Chemical Corporation, Sinopec Shanghai Petrochemical Company Limited, China Textile Academy
    Inventors: Zhenxin Chen, Mingkang Yu, Shaopeng Wang