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.)
Evonik Operations GmbH
Original Assignee
TH Goldschmidt AG
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 TH Goldschmidt AGfiledCriticalTH Goldschmidt AG
Priority to DE19863625581priorityCriticalpatent/DE3625581A1/de
Publication of DE3625581A1publicationCriticalpatent/DE3625581A1/de
Application grantedgrantedCritical
Publication of DE3625581C2publicationCriticalpatent/DE3625581C2/de
C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
C07C303/42—Separation; Purification; Stabilisation; Use of additives
Landscapes
Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Removal Of Specific Substances
(AREA)
DE198636255811986-07-291986-07-29Verfahren zur reinigung von malein- oder fumarsaeure enthaltender, waessriger sulfobernsteinsaeure
GrantedDE3625581A1
(de)