FR2045446A5 - - Google Patents

Info

Publication number
FR2045446A5
FR2045446A5 FR7014085A FR7014085A FR2045446A5 FR 2045446 A5 FR2045446 A5 FR 2045446A5 FR 7014085 A FR7014085 A FR 7014085A FR 7014085 A FR7014085 A FR 7014085A FR 2045446 A5 FR2045446 A5 FR 2045446A5
Authority
FR
France
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
FR7014085A
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.)
Edeleanu GmbH
Original Assignee
Edeleanu GmbH
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 Edeleanu GmbH filed Critical Edeleanu GmbH
Application granted granted Critical
Publication of FR2045446A5 publication Critical patent/FR2045446A5/fr
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
    • C07C273/14—Separation; Purification; Stabilisation; Use of additives
    • C07C273/16—Separation; Purification
    • 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
    • C07C273/14—Separation; Purification; Stabilisation; Use of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Fats And Perfumes (AREA)
FR7014085A 1969-04-18 1970-04-17 Expired FR2045446A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1919663A DE1919663C3 (de) 1969-04-18 1969-04-18 Verfahren zur Reinigung von mit öligen Substanzen verunreinigten, verdünnten wäßrigen Harnstofflösungen

Publications (1)

Publication Number Publication Date
FR2045446A5 true FR2045446A5 (fr) 1971-02-26

Family

ID=5731544

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7014085A Expired FR2045446A5 (fr) 1969-04-18 1970-04-17

Country Status (8)

Country Link
US (1) US3954598A (fr)
AT (1) AT308941B (fr)
BE (1) BE749084A (fr)
CH (1) CH535208A (fr)
DE (1) DE1919663C3 (fr)
FR (1) FR2045446A5 (fr)
GB (1) GB1302751A (fr)
NL (1) NL7005592A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2517310C3 (de) * 1975-04-18 1981-10-15 Deutsche Texaco Ag, 2000 Hamburg Verfahren zur Regenerierung von wässrigen Harnstofflösungen
CN102976977B (zh) * 2012-11-22 2017-07-11 宿州亿帆药业有限公司 一种尿素纯化的方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3269935A (en) * 1966-08-30 Emulsion breaking in an adduct separation process
DE1919664C3 (de) * 1969-04-18 1975-03-13 Edeleanu Gmbh, 6000 Frankfurt Verfahren zum Brechen von aus wässriger Harnstofflösung und Paraffinen gebildeten Emulsionen

Also Published As

Publication number Publication date
DE1919663C3 (de) 1975-11-27
US3954598A (en) 1976-05-04
DE1919663A1 (de) 1970-10-22
NL7005592A (fr) 1970-10-20
BE749084A (fr) 1970-10-19
CH535208A (de) 1973-03-31
GB1302751A (fr) 1973-01-10
DE1919663B2 (de) 1975-04-17
AT308941B (de) 1973-07-25

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Legal Events

Date Code Title Description
ST Notification of lapse