FR1306691A - Procédé de préparation d'urée à partir d'ammoniac et de gaz carbonique et dispositif pour la mise en oeuvre de ce procédé
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Procédé de préparation d'urée à partir d'ammoniac et de gaz carbonique et dispositif pour la mise en oeuvre de ce procédé
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Stamicarbon BV
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Stamicarbon BV
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Priority to FR872370ApriorityCriticalpatent/FR1306691A/fr
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Publication of FR1306691ApublicationCriticalpatent/FR1306691A/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
C07C273/04—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 from carbon dioxide and ammonia
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
Y02P20/00—Technologies relating to chemical industry
Y02P20/141—Feedstock
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
FR872370A1960-09-051961-09-05Procédé de préparation d'urée à partir d'ammoniac et de gaz carbonique et dispositif pour la mise en oeuvre de ce procédé
ExpiredFR1306691A
(fr)