GB1418925A - Process for the continuous nitration of anthraquinone - Google Patents
Process for the continuous nitration of anthraquinoneInfo
- Publication number
- GB1418925A GB1418925A GB480773A GB480773A GB1418925A GB 1418925 A GB1418925 A GB 1418925A GB 480773 A GB480773 A GB 480773A GB 480773 A GB480773 A GB 480773A GB 1418925 A GB1418925 A GB 1418925A
- Authority
- GB
- United Kingdom
- Prior art keywords
- nitroanthraquinone
- anthraquinone
- continuous nitration
- fabrik
- furnished
- 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
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
1418925 Nitroanthraquinone BADISCHE ANILIN- & SODA-FABRIK AG 31 Jan 1973 [1 Feb 1972] 4807/73 Heading C2C A process for the continuous production of a nitroanthraquinone mixture containing mainly 1-nitroanthraquinone which process comprises nitrating anthraquinone with nitric acid in heterogeneous phase in from 70 to 90% by weight sulphuric acid at a temperature of from 20‹ to 100‹ C. in a cascade consisting of at least two vessels at superatmospheric pressure. Examples are furnished. The process is described referring to a diagram of the apparatus (not shown).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722204516 DE2204516C3 (en) | 1972-02-01 | Process for the continuous nitration of anthraquinone |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1418925A true GB1418925A (en) | 1975-12-24 |
Family
ID=5834602
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB480773A Expired GB1418925A (en) | 1972-02-01 | 1973-01-31 | Process for the continuous nitration of anthraquinone |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE794851A (en) |
CH (1) | CH576934A5 (en) |
FR (1) | FR2170048B1 (en) |
GB (1) | GB1418925A (en) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1765831B1 (en) * | 1968-07-24 | 1971-09-23 | Messerschmitt Boelkow Blohm | ELECTRIC CONTACT DEVICE ACTUATED BY WEIGHT PRESSURE IN PARTICULAR FOR CLOSING A IGNITION CIRCUIT |
-
1973
- 1973-01-29 CH CH124973A patent/CH576934A5/xx not_active IP Right Cessation
- 1973-01-30 FR FR7303322A patent/FR2170048B1/fr not_active Expired
- 1973-01-31 GB GB480773A patent/GB1418925A/en not_active Expired
- 1973-02-01 BE BE794851D patent/BE794851A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
BE794851A (en) | 1973-08-01 |
DE2204516A1 (en) | 1973-08-09 |
FR2170048A1 (en) | 1973-09-14 |
CH576934A5 (en) | 1976-06-30 |
DE2204516B2 (en) | 1977-05-26 |
FR2170048B1 (en) | 1976-11-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |