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IG Farbenindustrie AG
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IG Farbenindustrie AG
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Publication of FR616622ApublicationCriticalpatent/FR616622A/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
C07C273/18—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 substituted ureas
C07C273/1854—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 substituted ureas by reactions not involving the formation of the N-C(O)-N- moiety
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FR616622D1925-06-101926-05-25Procédé pour la production de p.p'-diaminodiphénylurée et de ses dérivés substitués dans le noyau
ExpiredFR616622A
(fr)