GB1473935A - Preparation of terephthalic dialdehyde - Google Patents

Preparation of terephthalic dialdehyde

Info

Publication number
GB1473935A
GB1473935A GB3409174A GB3409174A GB1473935A GB 1473935 A GB1473935 A GB 1473935A GB 3409174 A GB3409174 A GB 3409174A GB 3409174 A GB3409174 A GB 3409174A GB 1473935 A GB1473935 A GB 1473935A
Authority
GB
United Kingdom
Prior art keywords
preparation
terephthalic dialdehyde
dialdehyde
terephthalic
water
Prior art date
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
GB3409174A
Other languages
English (en)
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.)
Dynamit Nobel AG
Original Assignee
Dynamit Nobel AG
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 Dynamit Nobel AG filed Critical Dynamit Nobel AG
Publication of GB1473935A publication Critical patent/GB1473935A/en
Expired legal-status Critical Current

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)
GB3409174A 1973-08-02 1974-08-01 Preparation of terephthalic dialdehyde Expired GB1473935A (en)

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
GB1473935A true GB1473935A (en) 1977-05-18

Family

ID=5888637

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3409174A Expired GB1473935A (en) 1973-08-02 1974-08-01 Preparation of terephthalic dialdehyde

Country Status (11)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103896751A (zh) * 2014-03-24 2014-07-02 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

Families Citing this family (3)

* 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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103896751A (zh) * 2014-03-24 2014-07-02 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
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
BE818295A (fr) 1974-11-18
IT1018783B (it) 1977-10-20
FR2239442B1 (xx) 1978-08-11
NL7410433A (nl) 1975-02-04
FR2239442A1 (xx) 1975-02-28
FI229974A (xx) 1975-02-03
DK388974A (xx) 1975-04-01
JPS5041832A (xx) 1975-04-16
CH593893A5 (xx) 1977-12-30
DE2339086A1 (de) 1975-02-20
SE7407621L (xx) 1975-02-03

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee