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.)
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BASF SE
Original Assignee
BASF SE
Badische Anilin and Sodafabrik AG
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Filing date
Publication date
Application filed by BASF SE, Badische Anilin and Sodafabrik AGfiledCriticalBASF SE
Application grantedgrantedCritical
Publication of FR1101339ApublicationCriticalpatent/FR1101339A/fr
C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
C07C273/14—Separation; Purification; Stabilisation; Use of additives
C07C273/16—Separation; Purification
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
FR1101339D1953-05-301954-05-25Procédé pour débarrasser les solutions d'urée du plomb qu'elles contiennent
ExpiredFR1101339A
(fr)