BE844271A - Procede perfectionne pour isoler l'anthraquinone a partir de ses melanges avex l'anhydride phtalique - Google Patents
Procede perfectionne pour isoler l'anthraquinone a partir de ses melanges avex l'anhydride phtaliqueInfo
- Publication number
- BE844271A BE844271A BE2055196A BE2055196A BE844271A BE 844271 A BE844271 A BE 844271A BE 2055196 A BE2055196 A BE 2055196A BE 2055196 A BE2055196 A BE 2055196A BE 844271 A BE844271 A BE 844271A
- Authority
- BE
- Belgium
- Prior art keywords
- anthraquinone
- isolating
- mixtures
- phthalic anhydride
- perfected process
- Prior art date
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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/573—Separation; Purification; Stabilisation; Use of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752532450 DE2532450C3 (de) | 1975-07-19 | 1975-07-19 | Verfahren zur Gewinnung von Anthrachinon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE844271A true BE844271A (fr) | 1977-01-19 |
Family
ID=5951987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE2055196A BE844271A (fr) | 1975-07-19 | 1976-07-19 | Procede perfectionne pour isoler l'anthraquinone a partir de ses melanges avex l'anhydride phtalique |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5217457A (fr) |
| BE (1) | BE844271A (fr) |
| CH (1) | CH605542A5 (fr) |
| DE (1) | DE2532450C3 (fr) |
| FR (1) | FR2318858A1 (fr) |
| GB (1) | GB1499066A (fr) |
| NL (1) | NL7607930A (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2637689C3 (de) * | 1976-08-21 | 1980-09-25 | Bayer Ag, 5090 Leverkusen | Verfahren zur Reinigungsc^nlellender organischer Produkte |
| JPS5925771B2 (ja) * | 1979-08-06 | 1984-06-21 | 住友化学工業株式会社 | 高融点化合物の精製法 |
| JPS62193406U (fr) * | 1986-05-30 | 1987-12-09 | ||
| JP3020891U (ja) * | 1995-07-24 | 1996-02-06 | 株式会社光彩工芸 | タイ飾り |
| CN114436796B (zh) * | 2020-10-19 | 2024-05-17 | 中国石油化工股份有限公司 | 2-烷基蒽醌的制备方法 |
-
1975
- 1975-07-19 DE DE19752532450 patent/DE2532450C3/de not_active Expired
-
1976
- 1976-07-14 CH CH904776A patent/CH605542A5/xx not_active IP Right Cessation
- 1976-07-15 JP JP8360076A patent/JPS5217457A/ja active Pending
- 1976-07-16 NL NL7607930A patent/NL7607930A/xx not_active Application Discontinuation
- 1976-07-16 GB GB2972176A patent/GB1499066A/en not_active Expired
- 1976-07-19 BE BE2055196A patent/BE844271A/fr unknown
- 1976-07-19 FR FR7622005A patent/FR2318858A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2532450B2 (de) | 1980-01-17 |
| DE2532450A1 (de) | 1977-01-20 |
| FR2318858A1 (fr) | 1977-02-18 |
| FR2318858B1 (fr) | 1980-02-29 |
| CH605542A5 (fr) | 1978-09-29 |
| DE2532450C3 (de) | 1980-09-25 |
| GB1499066A (en) | 1978-01-25 |
| JPS5217457A (en) | 1977-02-09 |
| NL7607930A (nl) | 1977-01-21 |
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