BE431288A - - Google Patents

Info

Publication number
BE431288A
BE431288A BE431288DA BE431288A BE 431288 A BE431288 A BE 431288A BE 431288D A BE431288D A BE 431288DA BE 431288 A BE431288 A BE 431288A
Authority
BE
Belgium
Application number
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of BE431288A publication Critical patent/BE431288A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE431288D 1938-01-06 1938-11-25 BE431288A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE207998X 1938-01-06

Publications (1)

Publication Number Publication Date
BE431288A true BE431288A (fr) 1938-12-31

Family

ID=5793993

Family Applications (1)

Application Number Title Priority Date Filing Date
BE431288D BE431288A (fr) 1938-01-06 1938-11-25

Country Status (4)

Country Link
BE (1) BE431288A (fr)
CH (1) CH207998A (fr)
FR (1) FR846559A (fr)
GB (1) GB509987A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH326525A (fr) * 1950-07-26 1957-12-31 Toyo Koatsu Ind Inc Procédé pour la récupération de l'excédent d'ammoniaque dans la synthèse de l'urée
DE1051843B (de) * 1953-04-22 1959-03-05 Chemical Construction Corp Verfahren zur Wiedergewinnung von Ammoniak aus einer Harnstoffsyntheseschmelze
YU34282B (en) * 1967-12-14 1979-04-30 Snam Progetti Process for the decomposition and recyclation of unreacted ammonium carbamate into the reactor for the synthesis of carbamide

Also Published As

Publication number Publication date
GB509987A (en) 1939-07-25
CH207998A (fr) 1939-12-31
FR846559A (fr) 1939-09-20

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