Title:
2-ヒドロキシ-4-メチルチオブタン酸の製造方法
Document Type and Number:
Japanese Patent JP5463839
Kind Code:
B2
Abstract:
The present invention provides a method of using a suitable material for an apparatus used in solid-liquid separation of a residue containing an inorganic salt, left to remain in an organic phase containing 2-hydroxy-4-methylthiobutanoic acid , said material being an alloy containing 21.0 to 30.0% by weight of a Cr element, 2.5 to 11.0% by weight of a Ni element, 1.0 to 5.0% by weight of a Mo element and a Fe element as the rest.
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Inventors:
Kazuo Fujita
Onishi Kozo
Koizumi Yoshiyuki
Onishi Kozo
Koizumi Yoshiyuki
Application Number:
JP2009234103A
Publication Date:
April 09, 2014
Filing Date:
October 08, 2009
Export Citation:
Assignee:
Sumitomo Chemical Co., Ltd.
International Classes:
C07C319/20; C07C319/28; C07C323/52; C22C38/44; C07B61/00
Domestic Patent References:
| JP11217370A | ||||
| JP2001226344A | ||||
| JP2003119557A | ||||
| JP2003104960A | ||||
| JP2007238555A |
Attorney, Agent or Firm:
Toru Nakayama
Toru Sakamoto
Toru Sakamoto