Patents by Inventor Rui Di

Rui Di 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: 9012687
    Abstract: The present invention provides a process for isolating kukoamine by solid phase extraction using a polyamide or a derivative thereof as an adsorbent. Said process is convenient, economical and environmental-friendly, and obtains highly purified kukoamines with a high yield.
    Type: Grant
    Filed: April 24, 2014
    Date of Patent: April 21, 2015
    Assignee: City University of Hong Kong
    Inventors: Hon-Yeung Cheung, Yuan-Yuan Li, Rui Di
  • Publication number: 20150065752
    Abstract: The present invention provides a process for isolating kukoamine by solid phase extraction using a polyamide or a derivative thereof as an adsorbent. Said process is convenient, economical and environmental-friendly, and obtains highly purified kukoamines with a high yield.
    Type: Application
    Filed: April 24, 2014
    Publication date: March 5, 2015
    Applicant: City University of Hong Kong
    Inventors: Hon-Yeung Cheung, Yuan-Yuan Li, Rui Di