メチオニンの製造方法 - Evonik Operations Gem Beher

Title:

メチオニンの製造方法

Document Type and Number:

Japanese Patent JP7065884

Kind Code:

B2

Abstract:

A process is used for preparing methionine. Specifically, the process includes the hydrolysis of 5-(2-methylmercaptoethyl)hydantoin (methionine hydantoin) in an alkaline process solution. Further, the by-products that include formate and other anions of organic acids containing 1 to 5 carbon atoms are removed by electrodialysis of the process solution.

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Inventors:

Daniel Fisher
Patrick Stener
Zebastian Bearn Heart
Harald Jacop

Application Number:

JP2019559797A

Publication Date:

May 12, 2022

Filing Date:

May 09, 2018

Export Citation:

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Assignee:

Evonik Operations Gem Beher

International Classes:

C07C319/28; C07C319/20; C07C323/58

Domestic Patent References:

JP3066663A
JP2014529615A
JP46017770B1
JP62186799A

Foreign References:

CN106432020A
CN106349131A
CN106083674A

Attorney, Agent or Firm:

Einzel Felix-Reinhard
Taku Morita
Junichi Maekawa
Hiroyasu Ninomiya
Ueshima class

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