Patents by Inventor Youcai LU

Youcai LU 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).

  • Use of amino-containing neutral phosphine extractant in extraction and separation of thorium and process of using same
    Patent number: 10081554
    Abstract: The present invention relates to use of an amino-containing neutral phosphine extractant of Formula I in extraction and separation of thorium, and a process of extracting and separating thorium using the amino-containing neutral phosphine extractant of Formula I, wherein, R1 and R2 are each independently selected from the group consisting of C1-C12 alkyl, R3 and R4 are each independently selected from the group consisting of C1-16 alkyl and hydrogen, and n is an integer of 1 to 8.
    Type: Grant
    Filed: April 22, 2015
    Date of Patent: September 25, 2018
    Assignee: Changchun Institute Of Applied Chemistry, Chinese Academy Of Sciences
    Inventors: Wuping Liao, Yanling Li, Zhifeng Zhang, Guolong Wu, Youcai Lu
  • USE OF AMINO-CONTAINING NEUTRAL PHOSPHINE EXTRACTANT IN EXTRACTION AND SEPARATION OF THORIUM AND PROCESS OF USING SAME
    Publication number: 20170267540
    Abstract: The present invention relates to use of an amino-containing neutral phosphine extractant of Formula I in extraction and separation of thorium, and a process of extracting and separating thorium using the amino-containing neutral phosphine extractant of Formula I, wherein, R1 and R2 are each independently selected from the group consisting of C1-C12 alkyl, R3 and R4 are each independently selected from the group consisting of C1-16 alkyl and hydrogen, and n is an integer of 1 to 8.
    Type: Application
    Filed: April 22, 2015
    Publication date: September 21, 2017
    Inventors: Wuping LIAO, Yanling LI, Zhifeng ZHANG, Guolong WU, Youcai LU