FR1132401A - Process for preparing pure urea - Google Patents

Process for preparing pure urea

Info

Publication number
FR1132401A
FR1132401A FR1132401DA FR1132401A FR 1132401 A FR1132401 A FR 1132401A FR 1132401D A FR1132401D A FR 1132401DA FR 1132401 A FR1132401 A FR 1132401A
Authority
FR
France
Prior art keywords
preparing pure
pure urea
urea
preparing
pure
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.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Inventa AG fuer Forschung und Patentverwertung
Original Assignee
Inventa AG fuer Forschung und Patentverwertung
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 Inventa AG fuer Forschung und Patentverwertung filed Critical Inventa AG fuer Forschung und Patentverwertung
Application granted granted Critical
Publication of FR1132401A publication Critical patent/FR1132401A/en
Expired legal-status Critical Current

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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C275/00—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C275/04—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups having nitrogen atoms of urea groups bound to acyclic carbon atoms
    • 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
FR1132401D 1954-05-17 1955-04-20 Process for preparing pure urea Expired FR1132401A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH775933X 1954-05-17

Publications (1)

Publication Number Publication Date
FR1132401A true FR1132401A (en) 1957-03-11

Family

ID=4535815

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1132401D Expired FR1132401A (en) 1954-05-17 1955-04-20 Process for preparing pure urea

Country Status (4)

Country Link
CH (1) CH326158A (en)
DE (1) DE1033197B (en)
FR (1) FR1132401A (en)
GB (1) GB775933A (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE527914A (en) * 1953-04-15

Also Published As

Publication number Publication date
DE1033197B (en) 1958-07-03
GB775933A (en) 1957-05-29
CH326158A (en) 1957-12-15

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