FR2293412B1 - - Google Patents
Info
- Publication number
- FR2293412B1 FR2293412B1 FR7537336A FR7537336A FR2293412B1 FR 2293412 B1 FR2293412 B1 FR 2293412B1 FR 7537336 A FR7537336 A FR 7537336A FR 7537336 A FR7537336 A FR 7537336A FR 2293412 B1 FR2293412 B1 FR 2293412B1
- Authority
- FR
- France
- 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 (en) | 1974-12-07 | 1974-12-07 | Process for the production of pure chloranthraquinones |
| DE19752531929 DE2531929A1 (en) | 1975-07-17 | 1975-07-17 | Halo-anthraquinone purificn - by fractional distn under reduced pressure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2293412A1 FR2293412A1 (en) | 1976-07-02 |
| FR2293412B1 true FR2293412B1 (en) | 1979-06-01 |
Family
ID=25768077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7537336A Granted FR2293412A1 (en) | 1974-12-07 | 1975-12-05 | PROCESS FOR THE ENRICHMENT OF HALOANTHRAQUINONES |
Country Status (14)
| Country | Link |
|---|---|
| JP (1) | JPS591248B2 (en) |
| AT (1) | AT340402B (en) |
| BR (1) | BR7508056A (en) |
| CA (1) | CA1068234A (en) |
| CH (1) | CH619203A5 (en) |
| DD (1) | DD124114A5 (en) |
| DK (1) | DK551575A (en) |
| ES (1) | ES443239A1 (en) |
| FR (1) | FR2293412A1 (en) |
| GB (1) | GB1492137A (en) |
| IT (1) | IT1052516B (en) |
| LU (1) | LU73943A1 (en) |
| NL (1) | NL7514239A (en) |
| SU (1) | SU598555A3 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2637689C3 (en) * | 1976-08-21 | 1980-09-25 | Bayer Ag, 5090 Leverkusen | Process for cleaning swelling organic products |
| GB1551585A (en) * | 1976-12-02 | 1979-08-30 | Bayer Ag | Process for the preparation of chloroanthraquinones |
| US4206130A (en) * | 1977-05-10 | 1980-06-03 | Bayer Aktiengesellschaft | Process for the preparation of 1,5-dichloroanthraquinone |
| CH653666A5 (en) * | 1983-06-23 | 1986-01-15 | Ciba Geigy Ag | METHOD FOR PRODUCING BROMANTHRACHINON. |
-
1975
- 1975-10-24 GB GB4382075A patent/GB1492137A/en not_active Expired
- 1975-12-01 CH CH1557875A patent/CH619203A5/en not_active IP Right Cessation
- 1975-12-04 SU SU752194657A patent/SU598555A3/en active
- 1975-12-04 BR BR7508056A patent/BR7508056A/en unknown
- 1975-12-05 AT AT927075A patent/AT340402B/en not_active IP Right Cessation
- 1975-12-05 JP JP14404675A patent/JPS591248B2/en not_active Expired
- 1975-12-05 ES ES443239A patent/ES443239A1/en not_active Expired
- 1975-12-05 DD DD18992475A patent/DD124114A5/xx unknown
- 1975-12-05 IT IT5254875A patent/IT1052516B/en active
- 1975-12-05 LU LU73943A patent/LU73943A1/xx unknown
- 1975-12-05 FR FR7537336A patent/FR2293412A1/en active Granted
- 1975-12-05 DK DK551575A patent/DK551575A/en unknown
- 1975-12-05 NL NL7514239A patent/NL7514239A/en unknown
- 1975-12-05 CA CA241,187A patent/CA1068234A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| LU73943A1 (en) | 1976-11-11 |
| IT1052516B (en) | 1981-07-20 |
| SU598555A3 (en) | 1978-03-15 |
| JPS5182250A (en) | 1976-07-19 |
| JPS591248B2 (en) | 1984-01-11 |
| ES443239A1 (en) | 1977-09-16 |
| FR2293412A1 (en) | 1976-07-02 |
| DD124114A5 (en) | 1977-02-02 |
| BR7508056A (en) | 1976-08-24 |
| CA1068234A (en) | 1979-12-18 |
| ATA927075A (en) | 1977-04-15 |
| CH619203A5 (en) | 1980-09-15 |
| NL7514239A (en) | 1976-06-09 |
| DK551575A (en) | 1976-06-08 |
| GB1492137A (en) | 1977-11-16 |
| AT340402B (en) | 1977-12-12 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |