FR2286809A1 - Procede pour separer et purifier l'hydroquinone - Google Patents
Procede pour separer et purifier l'hydroquinoneInfo
- Publication number
- FR2286809A1 FR2286809A1 FR7530258A FR7530258A FR2286809A1 FR 2286809 A1 FR2286809 A1 FR 2286809A1 FR 7530258 A FR7530258 A FR 7530258A FR 7530258 A FR7530258 A FR 7530258A FR 2286809 A1 FR2286809 A1 FR 2286809A1
- Authority
- FR
- France
- Prior art keywords
- separating
- hydroquinone
- purifying
- purifying hydroquinone
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
- C07C37/72—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by liquid-liquid treatment
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 |
---|---|---|---|
DE19742446992 DE2446992C2 (de) | 1974-10-02 | 1974-10-02 | Verfahren zur Gewinnung einer wäßrigen Lösung von reinem Hydrochinon |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2286809A1 true FR2286809A1 (fr) | 1976-04-30 |
FR2286809B1 FR2286809B1 (fr) | 1980-09-12 |
Family
ID=5927322
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7530258A Granted FR2286809A1 (fr) | 1974-10-02 | 1975-10-02 | Procede pour separer et purifier l'hydroquinone |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS6025413B2 (fr) |
BE (1) | BE834120A (fr) |
DE (1) | DE2446992C2 (fr) |
FR (1) | FR2286809A1 (fr) |
GB (1) | GB1528375A (fr) |
NL (1) | NL7511556A (fr) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS501011B1 (fr) * | 1970-06-18 | 1975-01-14 |
-
1974
- 1974-10-02 DE DE19742446992 patent/DE2446992C2/de not_active Expired
-
1975
- 1975-10-01 NL NL7511556A patent/NL7511556A/xx not_active Application Discontinuation
- 1975-10-02 JP JP11830575A patent/JPS6025413B2/ja not_active Expired
- 1975-10-02 GB GB4042675A patent/GB1528375A/en not_active Expired
- 1975-10-02 BE BE160626A patent/BE834120A/fr unknown
- 1975-10-02 FR FR7530258A patent/FR2286809A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2446992C2 (de) | 1983-06-30 |
NL7511556A (nl) | 1976-04-06 |
DE2446992A1 (de) | 1976-04-15 |
GB1528375A (en) | 1978-10-11 |
JPS5186429A (en) | 1976-07-29 |
FR2286809B1 (fr) | 1980-09-12 |
JPS6025413B2 (ja) | 1985-06-18 |
BE834120A (fr) | 1976-02-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |