FR2293412A1 - Procede pour l'enrichissement d'haloanthraquinones - Google Patents

Procede pour l'enrichissement d'haloanthraquinones

Info

Publication number
FR2293412A1
FR2293412A1 FR7537336A FR7537336A FR2293412A1 FR 2293412 A1 FR2293412 A1 FR 2293412A1 FR 7537336 A FR7537336 A FR 7537336A FR 7537336 A FR7537336 A FR 7537336A FR 2293412 A1 FR2293412 A1 FR 2293412A1
Authority
FR
France
Prior art keywords
haloanthraquinones
enrichment
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.)
Granted
Application number
FR7537336A
Other languages
English (en)
French (fr)
Other versions
FR2293412B1 (ro
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.)
Bayer AG
Original Assignee
Bayer 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
Priority claimed from DE19742458022 external-priority patent/DE2458022C3/de
Priority claimed from DE19752531929 external-priority patent/DE2531929A1/de
Application filed by Bayer AG filed Critical Bayer AG
Publication of FR2293412A1 publication Critical patent/FR2293412A1/fr
Application granted granted Critical
Publication of FR2293412B1 publication Critical patent/FR2293412B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
    • B01D3/148—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step in combination with at least one evaporator

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR7537336A 1974-12-07 1975-12-05 Procede pour l'enrichissement d'haloanthraquinones Granted FR2293412A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19742458022 DE2458022C3 (de) 1974-12-07 1974-12-07 Verfahren zur Gewinnung von reinen Chloranthrachinonen
DE19752531929 DE2531929A1 (de) 1975-07-17 1975-07-17 Verfahren zur anreicherung von halogenanthrachinonen

Publications (2)

Publication Number Publication Date
FR2293412A1 true FR2293412A1 (fr) 1976-07-02
FR2293412B1 FR2293412B1 (ro) 1979-06-01

Family

ID=25768077

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7537336A Granted FR2293412A1 (fr) 1974-12-07 1975-12-05 Procede pour l'enrichissement d'haloanthraquinones

Country Status (14)

Country Link
JP (1) JPS591248B2 (ro)
AT (1) AT340402B (ro)
BR (1) BR7508056A (ro)
CA (1) CA1068234A (ro)
CH (1) CH619203A5 (ro)
DD (1) DD124114A5 (ro)
DK (1) DK551575A (ro)
ES (1) ES443239A1 (ro)
FR (1) FR2293412A1 (ro)
GB (1) GB1492137A (ro)
IT (1) IT1052516B (ro)
LU (1) LU73943A1 (ro)
NL (1) NL7514239A (ro)
SU (1) SU598555A3 (ro)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2362107A1 (fr) * 1976-08-21 1978-03-17 Bayer Ag Procede pour la purification de produits organiques de point de fusion eleve
FR2372790A1 (fr) * 1976-12-02 1978-06-30 Bayer Ag Procede de preparation de chloroanthraquinones
FR2390414A1 (fr) * 1977-05-10 1978-12-08 Bayer Ag Procede de production de la 1,5-dichloranthraquinone par action du chlore sur la 1,5-dinitroanthraquinone

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH653666A5 (de) * 1983-06-23 1986-01-15 Ciba Geigy Ag Verfahren zur herstellung von bromanthrachinonen.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2362107A1 (fr) * 1976-08-21 1978-03-17 Bayer Ag Procede pour la purification de produits organiques de point de fusion eleve
FR2372790A1 (fr) * 1976-12-02 1978-06-30 Bayer Ag Procede de preparation de chloroanthraquinones
FR2390414A1 (fr) * 1977-05-10 1978-12-08 Bayer Ag Procede de production de la 1,5-dichloranthraquinone par action du chlore sur la 1,5-dinitroanthraquinone

Also Published As

Publication number Publication date
GB1492137A (en) 1977-11-16
CH619203A5 (en) 1980-09-15
FR2293412B1 (ro) 1979-06-01
NL7514239A (nl) 1976-06-09
JPS5182250A (ja) 1976-07-19
DK551575A (da) 1976-06-08
IT1052516B (it) 1981-07-20
JPS591248B2 (ja) 1984-01-11
AT340402B (de) 1977-12-12
LU73943A1 (ro) 1976-11-11
ES443239A1 (es) 1977-09-16
DD124114A5 (ro) 1977-02-02
BR7508056A (pt) 1976-08-24
CA1068234A (en) 1979-12-18
SU598555A3 (ru) 1978-03-15
ATA927075A (de) 1977-04-15

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Legal Events

Date Code Title Description
ST Notification of lapse