SE7407621L - - Google Patents

Info

Publication number
SE7407621L
SE7407621L SE7407621A SE7407621A SE7407621L SE 7407621 L SE7407621 L SE 7407621L SE 7407621 A SE7407621 A SE 7407621A SE 7407621 A SE7407621 A SE 7407621A SE 7407621 L SE7407621 L SE 7407621L
Authority
SE
Sweden
Prior art keywords
alpha
water
tetrachloro
xylene
aug
Prior art date
Application number
SE7407621A
Other languages
English (en)
Inventor
K Redecker
H Richtzenhain
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 SE7407621L publication Critical patent/SE7407621L/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
    • C07C45/80—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)
SE7407621A 1973-08-02 1974-06-10 SE7407621L (xx)

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
SE7407621L true SE7407621L (xx) 1975-02-03

Family

ID=5888637

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7407621A SE7407621L (xx) 1973-08-02 1974-06-10

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)

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
FR2239442A1 (xx) 1975-02-28
DE2339086A1 (de) 1975-02-20
NL7410433A (nl) 1975-02-04
BE818295A (fr) 1974-11-18
FR2239442B1 (xx) 1978-08-11
IT1018783B (it) 1977-10-20
FI229974A (xx) 1975-02-03
DK388974A (xx) 1975-04-01
GB1473935A (en) 1977-05-18
JPS5041832A (xx) 1975-04-16
CH593893A5 (xx) 1977-12-30

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