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Title:
SOLID HEAVY METAL PROCESSING AGENT, METHOD FOR PRODUCING SAME AND USE OF SAME
Document Type and Number:
WIPO Patent Application WO/2010/058774
Kind Code:
A1
Abstract:
Disclosed is a solid heavy metal processing agent having excellent economical efficiency in transportation, excellent storage stability (stability of effective component concentration and caking prevention) and excellent heavy metal processing ability, which also has excellent safety in use (no generation of a harmful gas) and excellent reaction selectivity to harmful lead. The heavy metal processing agent is characterized by containing piperazine-N,N'-biscarbodithioic acid sodium hexahydrate and/or piperazine-N,N'-biscarbodithioic acid potassium dihydrate.

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Inventors:
AYAMA, Yoshinori (4560 Kaisei-cho, Shunan-sh, Yamaguchi 01, 〒7468501, JP)
阿山　義則 (〒01 山口県周南市開成町４５６０番地　東ソー株式会社　南陽事業所内 Yamaguchi, 〒7468501, JP)
HIKITA, Hideki (4560 Kaisei-cho, Shunan-sh, Yamaguchi 01, 〒7468501, JP)
疋田　英樹 (〒01 山口県周南市開成町４５６０番地　東ソー株式会社　南陽事業所内 Yamaguchi, 〒7468501, JP)
NAGAMINE, Toshito (4560 Kaisei-cho, Shunan-sh, Yamaguchi 01, 〒7468501, JP)
Application Number:
JP2009/069500
Publication Date:
May 27, 2010
Filing Date:
November 17, 2009
Export Citation:
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Assignee:
TOSOH CORPORATION (4560, Kaisei-cho Shunan-sh, Yamaguchi 01, 〒7468501, JP)
東ソー株式会社 (〒01 山口県周南市開成町４５６０番地 Yamaguchi, 〒7468501, JP)
AYAMA, Yoshinori (4560 Kaisei-cho, Shunan-sh, Yamaguchi 01, 〒7468501, JP)
阿山　義則 (〒01 山口県周南市開成町４５６０番地　東ソー株式会社　南陽事業所内 Yamaguchi, 〒7468501, JP)
HIKITA, Hideki (4560 Kaisei-cho, Shunan-sh, Yamaguchi 01, 〒7468501, JP)
疋田　英樹 (〒01 山口県周南市開成町４５６０番地　東ソー株式会社　南陽事業所内 Yamaguchi, 〒7468501, JP)
International Classes:
C09K3/00; B09B3/00; B09C1/02; B09C1/08; C02F1/62; C07D295/20
Attorney, Agent or Firm:
SENMYO, Kenji et al. (4th Floor, SIA Kanda Square 17, Kanda-konyacho, Chiyoda-k, Tokyo 35, 〒1010035, JP)
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