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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EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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Filing date
Publication date
Application filed by EI Du Pont de Nemours and CofiledCriticalEI Du Pont de Nemours and Co
Application grantedgrantedCritical
Publication of FR515456ApublicationCriticalpatent/FR515456A/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
C07C273/1809—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 with formation of the N-C(O)-N moiety
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
FR515456A1918-09-111920-05-12Procédé pour la production d'urées tétra-substituées
ExpiredFR515456A
(fr)