FR895394A - Process for preparing urea - Google Patents

Process for preparing urea

Info

Publication number
FR895394A
FR895394A FR895394DA FR895394A FR 895394 A FR895394 A FR 895394A FR 895394D A FR895394D A FR 895394DA FR 895394 A FR895394 A FR 895394A
Authority
FR
France
Prior art keywords
preparing urea
urea
preparing
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Application granted granted Critical
Publication of FR895394A publication Critical patent/FR895394A/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)
FR895394D 1940-09-24 1943-06-09 Process for preparing urea Expired FR895394A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE238331X 1940-09-24

Publications (1)

Publication Number Publication Date
FR895394A true FR895394A (en) 1945-01-23

Family

ID=5903516

Family Applications (1)

Application Number Title Priority Date Filing Date
FR895394D Expired FR895394A (en) 1940-09-24 1943-06-09 Process for preparing urea

Country Status (3)

Country Link
BE (1) BE450974A (en)
CH (1) CH238331A (en)
FR (1) FR895394A (en)

Also Published As

Publication number Publication date
CH238331A (en) 1945-07-15
BE450974A (en)

Similar Documents

Publication Publication Date Title
FR850334A (en) Process for preparing isophorone
FR880302A (en) Process for preparing superpolyamides
FR895394A (en) Process for preparing urea
FR892034A (en) Process for preparing primary amines
FR885547A (en) Process for preparing oxy-urethanes
FR882150A (en) Process for the improvement of fibrous substances
FR893375A (en) Process for preparing 2-methyl-5-ethyl-pyridine
FR903685A (en) Process for preparing oxymethyl-vinyl-ketone
FR871429A (en) Process for preparing formaldehyde solutions
FR883837A (en) Process for obtaining dextrose
FR879790A (en) Process for preparing superpolyamides
FR880604A (en) Process for preparing improvers and fertilizers
FR899954A (en) Process for preparing higher cyano-derivatives
FR892190A (en) Process for preparing butanediol-1,4-one-2
FR863210A (en) Process for preparing luminescent substances
FR903257A (en) Process for preparing isocyanates
FR905082A (en) Process for preparing acetic aldehyde
FR905081A (en) Process for preparing polyoxide derivatives
FR889048A (en) Process for preparing isoximes
FR880400A (en) Process for preparing alpha-pyrrolidones
FR899463A (en) Process for preparing propionic aldehyde
FR879815A (en) Process for preparing gamma-keto-pimelic dilactone
FR857674A (en) Process for preparing acrolein
FR899786A (en) Process for preparing nitrochlorinated hydrocarbons
FR876022A (en) Process for preparing cellulosic solutions