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

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
    • C01B21/16—Hydrazine; Salts thereof
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/85—Separation; 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 (xx)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE569944A true BE569944A (xx)

Family

ID=7090934

Family Applications (1)

Application Number Title Priority Date Filing Date
BE569944D BE569944A (xx) 1957-08-01

Country Status (7)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL274425A (xx) * 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 (xx) * 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
FR1211489A (fr) 1960-03-16
NL230104A (xx)
CH373362A (de) 1963-11-30
GB839415A (en) 1960-06-29
DE1049833B (de) 1959-02-05
NL107138C (xx)

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