レアメタル抽出剤 - Akita University

Title:

レアメタル抽出剤

Document Type and Number:

Japanese Patent JP5344430

Kind Code:

B2

Abstract:

To provide a new rare metal extractant which can extract rare metals, in particularly palladium, with high efficiency.

The rare metal extractant contains a cyclic phenol sulfide derivative expressed by general formula (1), wherein R1, R2and R3respectively and independently denote a hydrogen atom or a 1-10C hydrocarbon group and Z denotes any among a sulfide group, a sulfinyl group and a sulfonyl group.

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Inventors:

Yoshihiko Kondo
Mihiro Akama
Atsushi Shibayama
Fumio Hamada

Application Number:

JP2009085517A

Publication Date:

November 20, 2013

Filing Date:

March 31, 2009

Export Citation:

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Assignee:

Akita University

International Classes:

C22B3/26; B01D11/04; C22B11/00

Domestic Patent References:

JP11302275A
JP2002348620A
JP11179104A
JP2007239088A
JP2007239066A
JP2000107505A
JP2008274383A

Foreign References:

WO2008139638A1

Attorney, Agent or Firm:

Noriyuki Yamamoto

Previous Patent: JPS5344429

Next Patent: JPS5344431