JPS5089357A - - Google Patents
Info
- Publication number
- JPS5089357A JPS5089357A JP13869273A JP13869273A JPS5089357A JP S5089357 A JPS5089357 A JP S5089357A JP 13869273 A JP13869273 A JP 13869273A JP 13869273 A JP13869273 A JP 13869273A JP S5089357 A JPS5089357 A JP S5089357A
- Authority
- JP
- Japan
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C46/00—Preparation of quinones
- C07C46/10—Separation; Purification; Stabilisation; Use of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13869273A JPS5637973B2 (en) | 1973-12-14 | 1973-12-14 | |
| DE19742458922 DE2458922A1 (en) | 1973-12-14 | 1974-12-12 | PROCESS FOR THE SEPARATION OF 1,5-DIHYDROXYANTHRAQUINONE AND 1,8-DIHYDROXYANTHRAQUINONE |
| CH1661974A CH617169A5 (en) | 1973-12-14 | 1974-12-13 | Process for separating a mixture of 1,5- and 1,8-dihydroxy- anthraquinone and for removing impurities from 1,5- or 1,8-dihydroxy- anthraquinone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13869273A JPS5637973B2 (en) | 1973-12-14 | 1973-12-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5089357A true JPS5089357A (en) | 1975-07-17 |
| JPS5637973B2 JPS5637973B2 (en) | 1981-09-03 |
Family
ID=15227873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13869273A Expired JPS5637973B2 (en) | 1973-12-14 | 1973-12-14 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS5637973B2 (en) |
| CH (1) | CH617169A5 (en) |
| DE (1) | DE2458922A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60136533A (en) * | 1983-12-23 | 1985-07-20 | Mitsui Toatsu Chem Inc | Purification of 2,6-dioxyanthraquinone |
-
1973
- 1973-12-14 JP JP13869273A patent/JPS5637973B2/ja not_active Expired
-
1974
- 1974-12-12 DE DE19742458922 patent/DE2458922A1/en not_active Withdrawn
- 1974-12-13 CH CH1661974A patent/CH617169A5/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60136533A (en) * | 1983-12-23 | 1985-07-20 | Mitsui Toatsu Chem Inc | Purification of 2,6-dioxyanthraquinone |
| JPH0455184B2 (en) * | 1983-12-23 | 1992-09-02 | Mitsui Toatsu Chemicals |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5637973B2 (en) | 1981-09-03 |
| DE2458922A1 (en) | 1975-06-26 |
| CH617169A5 (en) | 1980-05-14 |