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Patent Searching and Data


Title:
METHOD FOR PRODUCING FERRIC CITRATE HYDRATE
Document Type and Number:
WIPO Patent Application WO/2020/100912
Kind Code:
A1
Abstract:
The present invention provides a production method for easily obtaining highly pure ferric citrate hydrate which exhibits reduced organic and inorganic impurities and has a high BET specific surface area. The present invention is a ferric citrate hydrate production method for producing ferric citrate hydrate by obtaining a mixture by mixing citric acid, ferric chloride and at least one base selected from the group consisting of lithium hydroxide, lithium carbonate, magnesium hydroxide and magnesium carbonate in water, and mixing said mixture with an organic solvent, wherein the base constitutes 0.30-0.95 equivalents of the ferric chloride.

Inventors:
MIYAOKU TAKAYUKI (JP)
SAITO KOHEI (JP)
Application Number:
PCT/JP2019/044385
Publication Date:
May 22, 2020
Filing Date:
November 12, 2019
Export Citation:
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Assignee:
TOKUYAMA CORP (JP)
International Classes:
C07C51/41; C07C59/265; A61K31/194; C07F15/02
Domestic Patent References:
WO2015110968A12015-07-30
Foreign References:
JP2006518391A2006-08-10
JP2012162522A2012-08-30
CN1600302A2005-03-30
JP2018500308A2018-01-11
JP2018526349A2018-09-13
Attorney, Agent or Firm:
SSINPAT PATENT FIRM (JP)
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