BE569944A - - Google Patents

Info

Publication number
BE569944A
BE569944A BE569944DA BE569944A BE 569944 A BE569944 A BE 569944A BE 569944D A BE569944D A BE 569944DA BE 569944 A BE569944 A BE 569944A
Authority
BE
Belgium
Application number
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.)
Publication of BE569944A publication Critical patent/BE569944A/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78Separation; Purification; Stabilisation; Use of additives
    • C07C45/81Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C45/82Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00Nitrogen; Compounds thereof
    • C01B21/082Compounds containing nitrogen and non-metals and optionally metals
    • C01B21/16Hydrazine; Salts thereof
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78Separation; Purification; Stabilisation; Use of additives
    • C07C45/85Separation; Purification; Stabilisation; Use of additives by treatment giving rise to a chemical modification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE569944D 1957-08-01 BE569944A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF0023663 1957-08-01

Publications (1)

Publication Number Publication Date
BE569944A true BE569944A (en:Method)

Family

ID=7090934

Family Applications (1)

Application Number Title Priority Date Filing Date
BE569944D BE569944A (en:Method) 1957-08-01

Country Status (7)

Country Link
US (1) US3028219A (en:Method)
BE (1) BE569944A (en:Method)
CH (1) CH373362A (en:Method)
DE (1) DE1049833B (en:Method)
FR (1) FR1211489A (en:Method)
GB (1) GB839415A (en:Method)
NL (2) NL107138C (en:Method)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL274425A (en:Method) * 1961-02-08
DE1282617B (de) * 1966-12-17 1968-11-14 Bayer Ag Verfahren zur Aufbereitung von Hydrazin aus waessrigen Ketazinloesungen
DE1273503B (de) * 1966-12-17 1968-07-25 Bayer Ag Verfahren zur Aufbereitung von Hydrazin aus waessrigen Ketazinloesungen
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
DE4329599C1 (de) * 1993-09-02 1995-03-16 Bayer Ag Verfahren zur Entfernung von Verunreinigungen aus Hydrazinhydrat

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2537791A (en) * 1946-08-17 1951-01-09 Edwal Lab Inc Method for production of hydrazine and/or hydrazine hydrate
NL209951A (en:Method) * 1949-05-31
US2733195A (en) * 1954-09-01 1956-01-31 Process for concentrating aqueous

Also Published As

Publication number Publication date
US3028219A (en) 1962-04-03
CH373362A (de) 1963-11-30
DE1049833B (de) 1959-02-05
NL107138C (en:Method)
GB839415A (en) 1960-06-29
NL230104A (en:Method)
FR1211489A (fr) 1960-03-16

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