GB1528375A - Process for isolating and purifying hydroquinone - Google Patents
Process for isolating and purifying hydroquinoneInfo
- Publication number
- GB1528375A GB1528375A GB4042675A GB4042675A GB1528375A GB 1528375 A GB1528375 A GB 1528375A GB 4042675 A GB4042675 A GB 4042675A GB 4042675 A GB4042675 A GB 4042675A GB 1528375 A GB1528375 A GB 1528375A
- Authority
- GB
- United Kingdom
- Prior art keywords
- phenolic
- hydroquinone
- isolating
- oct
- impurities
- 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
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 title abstract 10
- 238000000034 method Methods 0.000 title abstract 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 abstract 6
- 239000012535 impurity Substances 0.000 abstract 3
- 238000004519 manufacturing process Methods 0.000 abstract 2
- 239000000243 solution Substances 0.000 abstract 2
- 239000002904 solvent Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 239000008346 aqueous phase Substances 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 238000009835 boiling Methods 0.000 abstract 1
- 125000004432 carbon atom Chemical group C* 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000012071 phase Substances 0.000 abstract 1
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 (1)
| Publication Number | Publication Date |
|---|---|
| GB1528375A true GB1528375A (en) | 1978-10-11 |
Family
ID=5927322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4042675A Expired GB1528375A (en) | 1974-10-02 | 1975-10-02 | Process for isolating and purifying hydroquinone |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS6025413B2 (enExample) |
| BE (1) | BE834120A (enExample) |
| DE (1) | DE2446992C2 (enExample) |
| FR (1) | FR2286809A1 (enExample) |
| GB (1) | GB1528375A (enExample) |
| NL (1) | NL7511556A (enExample) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS501011B1 (enExample) * | 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 BE BE160626A patent/BE834120A/xx unknown
- 1975-10-02 FR FR7530258A patent/FR2286809A1/fr active Granted
- 1975-10-02 JP JP11830575A patent/JPS6025413B2/ja not_active Expired
- 1975-10-02 GB GB4042675A patent/GB1528375A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2286809A1 (fr) | 1976-04-30 |
| DE2446992C2 (de) | 1983-06-30 |
| NL7511556A (nl) | 1976-04-06 |
| DE2446992A1 (de) | 1976-04-15 |
| BE834120A (fr) | 1976-02-02 |
| FR2286809B1 (enExample) | 1980-09-12 |
| JPS5186429A (en) | 1976-07-29 |
| JPS6025413B2 (ja) | 1985-06-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |