CA1068234A - Process for concentrating halogenoanthraquinones - Google Patents

Process for concentrating halogenoanthraquinones

Info

Publication number: CA1068234A
Authority: CA; Canada
Prior art keywords: mixture; process according; column; dichloroanthraquinone; chloroanthraquinones
Prior art date: 1974-12-07
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

CA241,187A

Other languages

English (en)

French (fr)

Inventor

Reinold Schmitz

Hans-Samuel Bien

Bernd Thelen

Norbert Majer

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.)

1974-12-07

Filing date

1975-12-05

Publication date

1979-12-18

1974-12-07 Priority claimed from DE19742458022 external-priority patent/DE2458022C3/de

1975-07-17 Priority claimed from DE19752531929 external-priority patent/DE2531929A1/de

1975-12-05 Application filed by Bayer AG filed Critical Bayer AG

1979-12-18 Application granted granted Critical

1979-12-18 Publication of CA1068234A publication Critical patent/CA1068234A/en

Status Expired legal-status Critical Current

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)

CA241,187A 1974-12-07 1975-12-05 Process for concentrating halogenoanthraquinones Expired CA1068234A (en)

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 (1)

Publication Number	Publication Date
CA1068234A true CA1068234A (en)	1979-12-18

Family

ID=25768077

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA241,187A Expired CA1068234A (en)	1974-12-07	1975-12-05	Process for concentrating halogenoanthraquinones

Country Status (14)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2637689C3 (de) *	1976-08-21	1980-09-25	Bayer Ag, 5090 Leverkusen	Verfahren zur Reinigungsc^nlellender organischer Produkte
CH628607A5 (en) *	1976-12-02	1982-03-15	Bayer Ag	Process for preparing chloroanthraquinones
US4206130A (en) *	1977-05-10	1980-06-03	Bayer Aktiengesellschaft	Process for the preparation of 1,5-dichloroanthraquinone
CH653666A5 (de) *	1983-06-23	1986-01-15	Ciba Geigy Ag	Verfahren zur herstellung von bromanthrachinonen.

1975
- 1975-10-24 GB GB4382075A patent/GB1492137A/en not_active Expired
- 1975-12-01 CH CH1557875A patent/CH619203A5/de not_active IP Right Cessation
- 1975-12-04 BR BR7508056A patent/BR7508056A/pt unknown
- 1975-12-04 SU SU752194657A patent/SU598555A3/ru active
- 1975-12-05 DD DD18992475A patent/DD124114A5/xx unknown
- 1975-12-05 IT IT5254875A patent/IT1052516B/it active
- 1975-12-05 JP JP14404675A patent/JPS591248B2/ja not_active Expired
- 1975-12-05 ES ES443239A patent/ES443239A1/es not_active Expired
- 1975-12-05 LU LU73943A patent/LU73943A1/xx unknown
- 1975-12-05 DK DK551575A patent/DK551575A/da unknown
- 1975-12-05 FR FR7537336A patent/FR2293412A1/fr active Granted
- 1975-12-05 CA CA241,187A patent/CA1068234A/en not_active Expired
- 1975-12-05 NL NL7514239A patent/NL7514239A/xx unknown
- 1975-12-05 AT AT927075A patent/AT340402B/de not_active IP Right Cessation

Also Published As

Publication number	Publication date
AT340402B (de)	1977-12-12
ES443239A1 (es)	1977-09-16
JPS591248B2 (ja)	1984-01-11
FR2293412B1 (de)	1979-06-01
DK551575A (da)	1976-06-08
LU73943A1 (de)	1976-11-11
JPS5182250A (ja)	1976-07-19
BR7508056A (pt)	1976-08-24
FR2293412A1 (fr)	1976-07-02
CH619203A5 (en)	1980-09-15
GB1492137A (en)	1977-11-16
ATA927075A (de)	1977-04-15
SU598555A3 (ru)	1978-03-15
DD124114A5 (de)	1977-02-02
IT1052516B (it)	1981-07-20
NL7514239A (nl)	1976-06-09

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