CA1068234A - Process for concentrating halogenoanthraquinones - Google Patents
Process for concentrating halogenoanthraquinonesInfo
- Publication number
- CA1068234A CA1068234A CA241,187A CA241187A CA1068234A CA 1068234 A CA1068234 A CA 1068234A CA 241187 A CA241187 A CA 241187A CA 1068234 A CA1068234 A CA 1068234A
- Authority
- CA
- Canada
- Prior art keywords
- mixture
- process according
- column
- dichloroanthraquinone
- chloroanthraquinones
- 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
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)
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)
Families Citing this family (4)
| 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 AT AT927075A patent/AT340402B/de not_active IP Right Cessation
- 1975-12-05 DK DK551575A patent/DK551575A/da unknown
- 1975-12-05 CA CA241,187A patent/CA1068234A/en not_active Expired
- 1975-12-05 FR FR7537336A patent/FR2293412A1/fr active Granted
- 1975-12-05 ES ES443239A patent/ES443239A1/es not_active Expired
- 1975-12-05 NL NL7514239A patent/NL7514239A/xx unknown
- 1975-12-05 LU LU73943A patent/LU73943A1/xx unknown
- 1975-12-05 JP JP14404675A patent/JPS591248B2/ja not_active Expired
- 1975-12-05 IT IT5254875A patent/IT1052516B/it active
- 1975-12-05 DD DD18992475A patent/DD124114A5/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AT340402B (de) | 1977-12-12 |
| GB1492137A (en) | 1977-11-16 |
| DK551575A (da) | 1976-06-08 |
| FR2293412A1 (fr) | 1976-07-02 |
| BR7508056A (pt) | 1976-08-24 |
| DD124114A5 (US06724976-20040420-M00002.png) | 1977-02-02 |
| JPS591248B2 (ja) | 1984-01-11 |
| CH619203A5 (en) | 1980-09-15 |
| NL7514239A (nl) | 1976-06-09 |
| LU73943A1 (US06724976-20040420-M00002.png) | 1976-11-11 |
| SU598555A3 (ru) | 1978-03-15 |
| ATA927075A (de) | 1977-04-15 |
| JPS5182250A (ja) | 1976-07-19 |
| IT1052516B (it) | 1981-07-20 |
| FR2293412B1 (US06724976-20040420-M00002.png) | 1979-06-01 |
| ES443239A1 (es) | 1977-09-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SK287255B6 (sk) | Spôsob získania antracénu a karbazolu a ich následných produktov kryštalizáciou tavením | |
| US3836601A (en) | Nitration process | |
| CA1068234A (en) | Process for concentrating halogenoanthraquinones | |
| US4162946A (en) | Process for concentrating halogenoanthraquinones | |
| EP0223875A1 (en) | Process for preparing tetrahydrofuran | |
| US4788296A (en) | Process for the production and recovery of trimellitic anhydride | |
| US3163657A (en) | Process for the oxidation of partially hydrogenated polycyclic aromatic and heterocyclic compounds | |
| US4041053A (en) | Process for the preparation of anthraquinone compounds | |
| DE2458022C3 (de) | Verfahren zur Gewinnung von reinen Chloranthrachinonen | |
| GB1564373A (en) | Process for the separation of dinitroanthraquinone mixtures | |
| US3963762A (en) | Process for producing 1,5-dinitroanthraquinone and 1,8-dinitroanthraquinone | |
| US4206130A (en) | Process for the preparation of 1,5-dichloroanthraquinone | |
| US4259248A (en) | Process for the preparation of mixtures of dinitroanthraquinones with a high content of 1,5- and 1,8- dinitroanthraquinone | |
| US4031116A (en) | Process for preparing pure 1-nitroanthraquinone | |
| US3206378A (en) | Purification of mixed isomers of dicyanobenzenes by vacuum distillation | |
| DE2531929A1 (de) | Verfahren zur anreicherung von halogenanthrachinonen | |
| US4139543A (en) | Manufacture of 2-amino-3-bromoanthraquinone | |
| US1880816A (en) | Apparatus for making dyes or the like | |
| US2968677A (en) | Purification of isophorone | |
| GB2078716A (en) | Production of amines | |
| US3931252A (en) | Process for the preparation of pure 1-nitroanthraquinone | |
| GB1560129A (en) | Process for the preparation of 1 - nitroanthraquinone | |
| US4278607A (en) | Process for the preparation of dimethoxyanthraquinones | |
| EP0378366B1 (en) | Preparation of 2-chloroterephthaloyl chloride | |
| EP0110369B1 (de) | Verfahren zur Reinigung von rohem Monochlor- und Monobromanthrachinon |