BE691751A - - Google Patents

Info

Publication number
BE691751A
BE691751A BE691751DA BE691751A BE 691751 A BE691751 A BE 691751A BE 691751D A BE691751D A BE 691751DA BE 691751 A BE691751 A BE 691751A
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 BE691751A publication Critical patent/BE691751A/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02Preparation 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
    • C07C273/04Preparation 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE691751D 1957-04-05 1966-12-23 BE691751A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US65107357A 1957-04-05 1957-04-05

Publications (1)

Publication Number Publication Date
BE691751A true BE691751A (da) 1967-05-29

Family

ID=24611469

Family Applications (1)

Application Number Title Priority Date Filing Date
BE691751D BE691751A (da) 1957-04-05 1966-12-23

Country Status (2)

Country Link
US (1) US3046307A (da)
BE (1) BE691751A (da)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2049891C3 (de) * 1969-10-15 1975-04-24 Snam Progetti S.P.A., Mailand (Italien) Verfahren zur Verbesserung der Ammoniumcarbamat-Zersetzung bei der Herstellung von Harnstoff
US3932504A (en) * 1970-05-19 1976-01-13 Vulcan-Cincinnati, Inc. Urea manufacture
BE787832A (fr) * 1971-09-02 1973-02-22 Stamicarbon Procede pour la preparation d'uree
US4042626A (en) * 1972-07-12 1977-08-16 Chemical Construction Corporation Integrated two-stage urea synthesis
CA2146070C (en) * 1995-03-15 2002-01-29 Kees Jonckers Improved reactor for the synthesis of urea

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2212847A (en) * 1940-08-27 Process for the recovery anb keuti-
US1937116A (en) * 1931-01-02 1933-11-28 Du Pont Urea manufacture
US2056283A (en) * 1933-09-13 1936-10-06 Atmospherie Nitrogen Corp Process for the production of urea and an ammonium salt
US2214068A (en) * 1939-01-20 1940-09-10 Solvay Process Co Process for the production of urea from ammonia and carbon dioxide containing inerts
US2701262A (en) * 1953-02-02 1955-02-01 Chemical Construction Corp Urea purification
US2848493A (en) * 1955-06-27 1958-08-19 Allied Chem Process for synthesis of urea

Also Published As

Publication number Publication date
US3046307A (en) 1962-07-24

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