GB2039897B - Process for purifying naphthoqinone - Google Patents
Process for purifying naphthoqinoneInfo
- Publication number
- GB2039897B GB2039897B GB7942637A GB7942637A GB2039897B GB 2039897 B GB2039897 B GB 2039897B GB 7942637 A GB7942637 A GB 7942637A GB 7942637 A GB7942637 A GB 7942637A GB 2039897 B GB2039897 B GB 2039897B
- Authority
- GB
- United Kingdom
- Prior art keywords
- naphthoqinone
- purifying
- purifying naphthoqinone
- 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
-
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53097412A JPS5811936B2 (en) | 1978-08-11 | 1978-08-11 | Purification method of naphthoquinone |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2039897A GB2039897A (en) | 1980-08-20 |
GB2039897B true GB2039897B (en) | 1983-01-12 |
Family
ID=14191759
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7942637A Expired GB2039897B (en) | 1978-08-11 | 1979-08-09 | Process for purifying naphthoqinone |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5811936B2 (en) |
DE (1) | DE2952902C2 (en) |
GB (1) | GB2039897B (en) |
WO (1) | WO1980000340A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6289640A (en) * | 1986-04-02 | 1987-04-24 | Kawasaki Kasei Chem Ltd | Purification of 1,4-naphthoquinone |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2536833A (en) * | 1948-09-18 | 1951-01-02 | Allied Chem & Dye Corp | Recovery of naphthoquinone |
JPS518256A (en) * | 1974-07-09 | 1976-01-23 | Kawasaki Kasei Chemicals | TETORAHIDOROANTORA KINONNO SEIZOHOHO |
DE2800864C2 (en) * | 1978-01-10 | 1987-01-29 | Kawasaki Kasei Chemicals Ltd., Tokio/Tokyo | Process for the separation of naphthoquinone and phthalic acid |
-
1978
- 1978-08-11 JP JP53097412A patent/JPS5811936B2/en not_active Expired
-
1979
- 1979-08-09 GB GB7942637A patent/GB2039897B/en not_active Expired
- 1979-08-09 WO PCT/JP1979/000210 patent/WO1980000340A1/en unknown
- 1979-08-09 DE DE19792952902 patent/DE2952902C2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5524143A (en) | 1980-02-21 |
GB2039897A (en) | 1980-08-20 |
DE2952902C2 (en) | 1987-08-27 |
DE2952902T1 (en) | 1980-12-11 |
WO1980000340A1 (en) | 1980-03-06 |
JPS5811936B2 (en) | 1983-03-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19920809 |