DE256525C - - Google Patents

Info

Publication number
DE256525C
DE256525C DENDAT256525D DE256525DC DE256525C DE 256525 C DE256525 C DE 256525C DE NDAT256525 D DENDAT256525 D DE NDAT256525D DE 256525D C DE256525D C DE 256525DC DE 256525 C DE256525 C DE 256525C
Authority
DE
Germany
Prior art keywords
catalyst
cyanamide
urea
production
manganese peroxide
Prior art date
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.)
Active
Application number
DENDAT256525D
Other languages
German (de)
Publication of DE256525C publication Critical patent/DE256525C/de
Active legal-status Critical Current

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
    • C07C273/06Preparation 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 cyanamide or calcium cyanamide

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (AREA)

Description

BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.BERLIN. PRINTED IN THE REICHSDRUCKEREI.

Claims (1)

Patent-Anspruch:Patent claim: Verfahren zur Herstellung von Harnstoff aus Cyanamid unter Verwendung eines Katalysators gemäß Patent 254474, dadurch gekennzeichnet, daß Mangansuperoxyd als Katalysator verwendet wird.Process for the production of urea from cyanamide using a Catalyst according to patent 254474, characterized in that manganese peroxide is used as the catalyst.
DENDAT256525D Active DE256525C (en)

Publications (1)

Publication Number Publication Date
DE256525C true DE256525C (en)

Family

ID=514519

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT256525D Active DE256525C (en)

Country Status (1)

Country Link
DE (1) DE256525C (en)

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