BE806179A - Procede de separation de cetazines de leurs melanges bruts de synthese - Google Patents

Procede de separation de cetazines de leurs melanges bruts de synthese

Info

Publication number
BE806179A
BE806179A BE136774A BE136774A BE806179A BE 806179 A BE806179 A BE 806179A BE 136774 A BE136774 A BE 136774A BE 136774 A BE136774 A BE 136774A BE 806179 A BE806179 A BE 806179A
Authority
BE
Belgium
Prior art keywords
cetazines
separating
raw synthesis
synthesis mixtures
mixtures
Prior art date
Application number
BE136774A
Other languages
English (en)
French (fr)
Original Assignee
Ugine Kuhlmann
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 Ugine Kuhlmann filed Critical Ugine Kuhlmann
Publication of BE806179A publication Critical patent/BE806179A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C251/00—Compounds containing nitrogen atoms doubly-bound to a carbon skeleton
    • C07C251/72—Hydrazones
    • C07C251/88—Hydrazones having also the other nitrogen atom doubly-bound to a carbon atom, e.g. azines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
BE136774A 1972-12-21 1973-10-17 Procede de separation de cetazines de leurs melanges bruts de synthese BE806179A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7245576A FR2211939A5 (it) 1972-12-21 1972-12-21

Publications (1)

Publication Number Publication Date
BE806179A true BE806179A (fr) 1974-02-15

Family

ID=9109079

Family Applications (1)

Application Number Title Priority Date Filing Date
BE136774A BE806179A (fr) 1972-12-21 1973-10-17 Procede de separation de cetazines de leurs melanges bruts de synthese

Country Status (12)

Country Link
US (1) US3883401A (it)
JP (1) JPS5212684B2 (it)
AT (1) AT326093B (it)
BE (1) BE806179A (it)
CA (1) CA1027063A (it)
CH (1) CH581609A5 (it)
DE (1) DE2361932C3 (it)
ES (1) ES421601A1 (it)
FR (1) FR2211939A5 (it)
GB (1) GB1407329A (it)
IT (1) IT999771B (it)
NL (1) NL7317482A (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63295408A (ja) * 1987-05-28 1988-12-01 Mitsubishi Gas Chem Co Inc 水加ヒドラジン水溶液の精製方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2876173A (en) * 1955-12-13 1959-03-03 Olin Mathieson Separation of unsymmetrical dimethyl-hydrazine from aqueous solution containing not more than 20 percent of the former, caustic soda
US3012948A (en) * 1959-03-26 1961-12-12 Nat Distillers Chem Corp Dehydration of methylhydrazine
GB1133762A (en) * 1965-04-20 1968-11-20 Fisons Ind Chemicals Ltd Process for the preparation of azines and/or isohydrazones and their use in the production of hydrazine
GB1164435A (en) * 1966-03-29 1969-09-17 Fisons Ind Chemicals Ltd Preparation of Azines and Isohydrazones
CA988536A (en) * 1970-04-10 1976-05-04 Godfrey V. Jeffreys Process for preparing azines

Also Published As

Publication number Publication date
CH581609A5 (it) 1976-11-15
CA1027063A (en) 1978-02-28
NL7317482A (it) 1974-06-25
DE2361932C3 (de) 1983-06-09
DE2361932B2 (de) 1975-09-18
DE2361932A1 (de) 1974-07-11
AT326093B (de) 1975-11-25
GB1407329A (en) 1975-09-24
US3883401A (en) 1975-05-13
ATA1044073A (de) 1975-02-15
IT999771B (it) 1976-03-10
JPS5212684B2 (it) 1977-04-08
ES421601A1 (es) 1976-04-16
FR2211939A5 (it) 1974-07-19
JPS504008A (it) 1975-01-16

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: PRODUITS CHIMIQUES UGINE KUHLMANN

Effective date: 19931017