GB156540A - Manufacture of anthraquinone and its derivatives - Google Patents
Manufacture of anthraquinone and its derivativesInfo
- Publication number
- GB156540A GB156540A GB457/21A GB45721A GB156540A GB 156540 A GB156540 A GB 156540A GB 457/21 A GB457/21 A GB 457/21A GB 45721 A GB45721 A GB 45721A GB 156540 A GB156540 A GB 156540A
- Authority
- GB
- United Kingdom
- Prior art keywords
- anthraquinone
- derivatives
- manufacture
- acid
- dichlorbenzene
- 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
In the process described in the parent Specification for the manufacture of anthraquinone and its derivatives by oxidation of anthracene &c., (1) the acetic acid medium is replaced by another acid, e.g. propionic acid, and (2) a diluent is employed, e.g. water, nitrobenzene, or dichlorbenzene.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEC27370D DE406245C (en) | 1918-05-18 | 1918-05-18 | Process for the production of anthraquinone and its derivatives |
| DE156540X | 1919-12-27 | ||
| DEC29657D DE406778C (en) | 1918-05-18 | 1920-09-13 | Process for the preparation of anthraquinone or its derivatives |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB156540A true GB156540A (en) | 1922-03-30 |
Family
ID=40394003
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB157/21A Expired GB156215A (en) | 1918-05-18 | 1921-01-03 | Manufacture of anthraquinone and its derivatives |
| GB457/21A Expired GB156540A (en) | 1918-05-18 | 1921-01-05 | Manufacture of anthraquinone and its derivatives |
| GB17963/21A Expired GB169145A (en) | 1918-05-18 | 1921-07-01 | Improvements in the manufacture of anthraquinone |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB157/21A Expired GB156215A (en) | 1918-05-18 | 1921-01-03 | Manufacture of anthraquinone and its derivatives |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB17963/21A Expired GB169145A (en) | 1918-05-18 | 1921-07-01 | Improvements in the manufacture of anthraquinone |
Country Status (6)
| Country | Link |
|---|---|
| AT (3) | AT101322B (en) |
| CH (3) | CH84262A (en) |
| DE (3) | DE406245C (en) |
| DK (3) | DK28409C (en) |
| FR (1) | FR528373A (en) |
| GB (3) | GB156215A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1980001693A1 (en) * | 1979-02-12 | 1980-08-21 | Ici Ltd | Manufacture of anthraquinone |
| DE10260549B4 (en) * | 2002-12-21 | 2006-04-13 | Rütgers Chemicals AG | Process for the preparation of anthraquinone |
-
1918
- 1918-05-18 DE DEC27370D patent/DE406245C/en not_active Expired
-
1919
- 1919-05-17 CH CH84262A patent/CH84262A/en unknown
- 1919-06-18 AT AT101322D patent/AT101322B/en active
- 1919-08-15 DE DEC28632D patent/DE406777C/en not_active Expired
-
1920
- 1920-09-13 DE DEC29657D patent/DE406778C/en not_active Expired
- 1920-10-26 DK DK28409D patent/DK28409C/en active
- 1920-11-05 AT AT104117D patent/AT104117B/en active
- 1920-11-15 DK DK28879D patent/DK28879C/en active
- 1920-12-01 CH CH91090D patent/CH91090A/en unknown
- 1920-12-10 FR FR528373A patent/FR528373A/en not_active Expired
-
1921
- 1921-01-03 GB GB157/21A patent/GB156215A/en not_active Expired
- 1921-01-05 GB GB457/21A patent/GB156540A/en not_active Expired
- 1921-06-08 AT AT104118D patent/AT104118B/en active
- 1921-06-15 CH CH97788D patent/CH97788A/en unknown
- 1921-07-01 GB GB17963/21A patent/GB169145A/en not_active Expired
- 1921-07-07 DK DK29653D patent/DK29653C/en active
Also Published As
| Publication number | Publication date |
|---|---|
| GB169145A (en) | 1922-05-04 |
| FR528373A (en) | 1921-11-10 |
| AT101322B (en) | 1925-10-26 |
| DE406778C (en) | 1924-12-01 |
| CH84262A (en) | 1920-03-01 |
| CH97788A (en) | 1923-02-16 |
| AT104118B (en) | 1926-09-10 |
| CH91090A (en) | 1921-10-01 |
| AT104117B (en) | 1926-09-10 |
| DK29653C (en) | 1922-05-29 |
| DK28879C (en) | 1921-11-28 |
| DK28409C (en) | 1921-09-12 |
| DE406777C (en) | 1924-11-27 |
| GB156215A (en) | 1922-03-23 |
| DE406245C (en) | 1924-11-17 |
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