Title:
HEXAVALENT CHROMIUM TREATMENT AGENT, METHOD FOR TREATING CONTAMINANTS CONTAINING HEXAVALENT CHROMIUM, AND METHOD FOR TREATING BONE MEAL CONTAINING HEXAVALENT CHROMIUM
Document Type and Number:
WIPO Patent Application WO/2020/013037
Kind Code:
A1
Abstract:
Provided is a hexavalent chromium treatment agent containing: at least one compound (A) selected from the group consisting of L-ascorbic acid, sodium L-ascorbate, calcium L-ascorbate, 2-glucoside L-ascorbate, erythorbic acid, sodium erythorbate, and calcium erythorbate; at least one compound (B) selected from the group consisting of a compound represented by formula (b1), a compound represented by formula (b2), a compound represented by formula (b3), 1,2,4-benzenetriol, and 1,3,5-benzenetriol; and at least one compound (C) selected from the group consisting of anhydrous sodium sulfate, anhydrous potassium sulfate, anhydrous magnesium sulfate, and anhydrous calcium sulfate.
Inventors:
AKAO YUJI (JP)
Application Number:
PCT/JP2019/026332
Publication Date:
January 16, 2020
Filing Date:
July 02, 2019
Export Citation:
Assignee:
CITIZEN WATCH CO LTD (JP)
International Classes:
C09K3/00; A62D3/37; B09B3/00; B09C1/08; C01D5/00; C01F5/40; C01F11/46; C02F1/70; A62D101/24
Domestic Patent References:
| WO2017131138A1 | 2017-08-03 | |||
| WO2017131139A1 | 2017-08-03 | |||
| WO2018163621A1 | 2018-09-13 |
Foreign References:
| JP2002326819A | 2002-11-12 | |||
| JPH11104611A | 1999-04-20 | |||
| US20030073877A1 | 2003-04-17 | |||
| US20100135876A1 | 2010-06-03 |
Attorney, Agent or Firm:
TORANOMON INTELLECTUAL PROPERTY FIRM (JP)
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