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Title:
USE OF AMINO GROUP-CONTAINING NEUTRAL PHOSPHINE EXTRACTION AGENT FOR EXTRACTION AND SEPARATION OF TETRAVALENT CERIUM, AND METHOD
Document Type and Number:
WIPO Patent Application WO/2016/090809
Kind Code:
A1
Abstract:
A use of an amino group-containing neutral phosphine extraction agent having the following formula I for the extraction and separation of tetravalent cerium, and a method using the amino group-containing neutral phosphine extraction agent having formula I to extract and separate tetravalent cerium. R1 and R2 are each independently selected from C1-C12 alkyl groups, R3 and R4 are each independently selected from C1-16 alkyl groups and hydrogen, and n is an integer from 1 to 8.

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Inventors:
LIAO WUPING (CN)
LU YOUCAI (CN)
ZHANG ZHIFENG (CN)
LI YANLING (CN)
WU GUOLONG (CN)
Application Number:
PCT/CN2015/077212
Publication Date:
June 16, 2016
Filing Date:
April 22, 2015
Export Citation:
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Assignee:
CHANGCHUN APPLIED CHEMISTRY (CN)
International Classes:
C22B3/38; C22B59/00
Domestic Patent References:
WO2012069573A12012-05-31
Foreign References:
CN104131164A2014-11-05
CN103773954A2014-05-07
CN103924084A2014-07-16
CN102409172A2012-04-11
CN103789547A2014-05-14
CN102994781A2013-03-27
CN104087750A2014-10-08
Attorney, Agent or Firm:
KINGSOUND & PARTNERS (CN)
北京金信知识产权代理有限公司 (CN)
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