CH485674A - Verfahren zur Herstellung von Harnstoff - Google Patents

Verfahren zur Herstellung von Harnstoff

Info

Publication number
CH485674A
CH485674A CH85567A CH85567A CH485674A CH 485674 A CH485674 A CH 485674A CH 85567 A CH85567 A CH 85567A CH 85567 A CH85567 A CH 85567A CH 485674 A CH485674 A CH 485674A
Authority
CH
Switzerland
Prior art keywords
urea
production
Prior art date
Application number
CH85567A
Other languages
German (de)
English (en)
Inventor
Palmisano Emanuele
Scaglione Placido
Original Assignee
Montedison Spa
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 by Montedison Spa filed Critical Montedison Spa
Publication of CH485674A publication Critical patent/CH485674A/de

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
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00Nitrogen; Compounds thereof
    • C01B21/082Compounds containing nitrogen and non-metals and optionally metals
    • C01B21/12Carbamic acid or thiocarbamic acid; Salts thereof
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/582Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH85567A 1966-01-21 1967-01-20 Verfahren zur Herstellung von Harnstoff CH485674A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT143866 1966-01-21

Publications (1)

Publication Number Publication Date
CH485674A true CH485674A (de) 1970-02-15

Family

ID=11101458

Family Applications (1)

Application Number Title Priority Date Filing Date
CH85567A CH485674A (de) 1966-01-21 1967-01-20 Verfahren zur Herstellung von Harnstoff

Country Status (6)

Country Link
BE (1) BE692926A (fr)
CH (1) CH485674A (fr)
CS (1) CS167219B2 (fr)
FR (1) FR1508004A (fr)
GB (1) GB1173195A (fr)
NL (1) NL148879B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL187393C (nl) * 1982-11-26 1991-09-16 V I Kucheryavy T M Bogdanova D Werkwijze voor het bereiden van ureum.
EP3656759A1 (fr) * 2018-11-22 2020-05-27 Casale Sa Procédé de synthèse de l'urée

Also Published As

Publication number Publication date
BE692926A (fr) 1967-07-20
GB1173195A (en) 1969-12-03
CS167219B2 (fr) 1976-04-29
NL6700668A (fr) 1967-07-24
NL148879B (nl) 1976-03-15
DE1618636B2 (de) 1975-08-07
FR1508004A (fr) 1967-12-29
DE1618636A1 (de) 1971-04-01

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Legal Events

Date Code Title Description
PL Patent ceased