Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tokuyama Corp
Original Assignee
Tokuyama Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tokuyama CorpfiledCriticalTokuyama Corp
Priority to JP7898677ApriorityCriticalpatent/JPS6054940B2/en
Publication of JPS5414901ApublicationCriticalpatent/JPS5414901A/en
Publication of JPS6054940B2publicationCriticalpatent/JPS6054940B2/en
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals
(AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
PURPOSE: To obtain a solution or crystals of highly pure organic acids, and gypsum having an excellent filtration property and high degree of dehydration, by reacting calcium normal salts of roganic acids with organic acids, and then reacting the resulting calcium hydrogen salts of organic acids with sulfuric acid.
COPYRIGHT: (C)1979,JPO&Japio
JP7898677A1977-07-041977-07-04
Method for producing organic acids
ExpiredJPS6054940B2
(en)