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BE818295A - Procede pour l'obtention de dialdehyde terephtalique - Google Patents

Procede pour l'obtention de dialdehyde terephtalique

Info

Publication number
BE818295A
BE818295A BE147115A BE147115A BE818295A BE 818295 A BE818295 A BE 818295A BE 147115 A BE147115 A BE 147115A BE 147115 A BE147115 A BE 147115A BE 818295 A BE818295 A BE 818295A
Authority
BE
Belgium
Prior art keywords
obtaining terephthalic
terephthalic dialdehyde
dialdehyde
obtaining
terephthalic
Prior art date
Application number
BE147115A
Other languages
English (en)
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 filed Critical
Publication of BE818295A publication Critical patent/BE818295A/fr

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
    • C07C45/80—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
    • 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
    • C07C45/42—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by hydrolysis
    • C07C45/43—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by hydrolysis of >CX2 groups, X being halogen
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE147115A 1973-08-02 1974-07-31 Procede pour l'obtention de dialdehyde terephtalique BE818295A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732339086 DE2339086A1 (de) 1973-08-02 1973-08-02 Verfahren zur herstellung von terephthaldialdehyd

Publications (1)

Publication Number Publication Date
BE818295A true BE818295A (fr) 1974-11-18

Family

ID=5888637

Family Applications (1)

Application Number Title Priority Date Filing Date
BE147115A BE818295A (fr) 1973-08-02 1974-07-31 Procede pour l'obtention de dialdehyde terephtalique

Country Status (11)

Country Link
JP (1) JPS5041832A (fr)
BE (1) BE818295A (fr)
CH (1) CH593893A5 (fr)
DE (1) DE2339086A1 (fr)
DK (1) DK388974A (fr)
FI (1) FI229974A (fr)
FR (1) FR2239442B1 (fr)
GB (1) GB1473935A (fr)
IT (1) IT1018783B (fr)
NL (1) NL7410433A (fr)
SE (1) SE7407621L (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2834051A1 (de) * 1978-08-03 1980-02-21 Dynamit Nobel Ag Verfahren zur herstellung von terephthal-, isophthal- und phthaldialdehyd
DE2934614C2 (de) * 1979-08-28 1982-05-06 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Herstellung von Terephthalaldehyd bzw. Isophthalaldehyd
KR101040700B1 (ko) * 2006-11-16 2011-06-10 주식회사 엘지화학 테레프탈알데히드의 정제방법
CN103896751B (zh) * 2014-03-24 2015-12-02 福建远大医药科技有限公司 一种生产对苯二甲醛的母液循环套用工艺

Also Published As

Publication number Publication date
SE7407621L (fr) 1975-02-03
DK388974A (fr) 1975-04-01
FR2239442A1 (fr) 1975-02-28
JPS5041832A (fr) 1975-04-16
IT1018783B (it) 1977-10-20
CH593893A5 (fr) 1977-12-30
DE2339086A1 (de) 1975-02-20
GB1473935A (en) 1977-05-18
FR2239442B1 (fr) 1978-08-11
FI229974A (fr) 1975-02-03
NL7410433A (nl) 1975-02-04

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