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Imperial Chemical Industries Ltd
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Imperial Chemical Industries Ltd
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Application filed by Imperial Chemical Industries LtdfiledCriticalImperial Chemical Industries Ltd
Application grantedgrantedCritical
Publication of FR1123488ApublicationCriticalpatent/FR1123488A/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)
FR1123488D1954-05-051955-05-04Fabrication d'urée à l'état granulé
ExpiredFR1123488A
(fr)