ATE112253T1 - Verfahren zur reinigung von mono- tert.butylhydrochinon. - Google Patents
Verfahren zur reinigung von mono- tert.butylhydrochinon.Info
- Publication number
- ATE112253T1 ATE112253T1 AT92901049T AT92901049T ATE112253T1 AT E112253 T1 ATE112253 T1 AT E112253T1 AT 92901049 T AT92901049 T AT 92901049T AT 92901049 T AT92901049 T AT 92901049T AT E112253 T1 ATE112253 T1 AT E112253T1
- Authority
- AT
- Austria
- Prior art keywords
- butyl hydroquinone
- butylhydrochinone
- tert
- mono
- purification
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 238000000746 purification Methods 0.000 title 1
- BGNXCDMCOKJUMV-UHFFFAOYSA-N Tert-Butylhydroquinone Chemical compound CC(C)(C)C1=CC(O)=CC=C1O BGNXCDMCOKJUMV-UHFFFAOYSA-N 0.000 abstract 3
- 239000013078 crystal Substances 0.000 abstract 2
- 239000012535 impurity Substances 0.000 abstract 2
- XRCRJFOGPCJKPF-UHFFFAOYSA-N 2-butylbenzene-1,4-diol Chemical group CCCCC1=CC(O)=CC=C1O XRCRJFOGPCJKPF-UHFFFAOYSA-N 0.000 abstract 1
- 238000002425 crystallisation Methods 0.000 abstract 1
- 230000008025 crystallization Effects 0.000 abstract 1
- 239000012454 non-polar solvent Substances 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- 239000004250 tert-Butylhydroquinone Substances 0.000 abstract 1
- 235000019281 tert-butylhydroquinone Nutrition 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
- C07C37/84—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by crystallisation
-
- 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
- C07C37/685—Processes comprising at least two steps in series
-
- 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
-
- 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)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/622,453 US5087771A (en) | 1990-12-05 | 1990-12-05 | Process for the purification of monotertiarybutyl hydroquinone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE112253T1 true ATE112253T1 (de) | 1994-10-15 |
Family
ID=24494224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT92901049T ATE112253T1 (de) | 1990-12-05 | 1991-11-26 | Verfahren zur reinigung von mono- tert.butylhydrochinon. |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5087771A (de) |
| EP (1) | EP0561929B1 (de) |
| JP (1) | JPH06503326A (de) |
| AT (1) | ATE112253T1 (de) |
| CA (1) | CA2095110A1 (de) |
| DE (1) | DE69104379T2 (de) |
| DK (1) | DK0561929T3 (de) |
| ES (1) | ES2061332T3 (de) |
| WO (1) | WO1992010456A1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR0017256A (pt) | 2000-06-16 | 2003-05-27 | Eastman Chem Co | Método para a produção de hidroquinona de monobutila terciária |
| CN102838454B (zh) * | 2012-09-25 | 2014-07-30 | 厦门大学 | 一种叔丁基对苯二酚的提纯方法 |
| CN104072341B (zh) * | 2014-06-23 | 2016-01-06 | 华南理工大学 | 一种2,5-二叔丁基对苯二酚精制方法 |
| CN106770705A (zh) * | 2016-11-22 | 2017-05-31 | 青岛舜宇恒平仪器有限公司 | 对易氧化物质进行在线柱后还原检测的装置和分析方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2722556A (en) * | 1952-03-19 | 1955-11-01 | Eastman Kodak Co | Preparation of tertiary butyl hydroquinone |
| DE2606364C3 (de) * | 1976-02-18 | 1988-05-26 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Stofftrennung aus einem flüssigen Gemisch durch fraktionierte Kristallisation |
| US4507244A (en) * | 1982-06-02 | 1985-03-26 | Walter Rau Lebensmittelwerke Gmbh & Co. Kg | Method for crystallizing a substance from a solution |
| US4447655A (en) * | 1982-11-24 | 1984-05-08 | General Electric Company | Purification of bisphenol-A |
| US4536292A (en) * | 1984-03-26 | 1985-08-20 | Calgon Corporation | Carboxylic/sulfonic/quaternary ammonium polymers for use as scale and corrosion inhibitors |
| JPS60221607A (ja) * | 1984-04-17 | 1985-11-06 | Babcock Hitachi Kk | 分割セル型流動層燃焼装置 |
| US4720570A (en) * | 1986-03-14 | 1988-01-19 | Celanese Corporation | Rate of crystallizing diphenylisophthalate/diphenylterephthalate monomer |
| US4861919A (en) * | 1988-02-29 | 1989-08-29 | The Dow Chemical Company | Countercurrent multi-stage water crystallization of aromatic compounds |
-
1990
- 1990-12-05 US US07/622,453 patent/US5087771A/en not_active Expired - Lifetime
-
1991
- 1991-11-26 DE DE69104379T patent/DE69104379T2/de not_active Expired - Fee Related
- 1991-11-26 CA CA002095110A patent/CA2095110A1/en not_active Abandoned
- 1991-11-26 AT AT92901049T patent/ATE112253T1/de not_active IP Right Cessation
- 1991-11-26 WO PCT/US1991/008770 patent/WO1992010456A1/en not_active Ceased
- 1991-11-26 ES ES92901049T patent/ES2061332T3/es not_active Expired - Lifetime
- 1991-11-26 DK DK92901049.4T patent/DK0561929T3/da active
- 1991-11-26 JP JP4501336A patent/JPH06503326A/ja active Pending
- 1991-11-26 EP EP92901049A patent/EP0561929B1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06503326A (ja) | 1994-04-14 |
| ES2061332T3 (es) | 1994-12-01 |
| US5087771A (en) | 1992-02-11 |
| DE69104379T2 (de) | 1995-02-09 |
| DK0561929T3 (da) | 1994-10-24 |
| CA2095110A1 (en) | 1992-06-06 |
| EP0561929A1 (de) | 1993-09-29 |
| DE69104379D1 (de) | 1994-11-03 |
| EP0561929B1 (de) | 1994-09-28 |
| WO1992010456A1 (en) | 1992-06-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification | ||
| REN | Ceased due to non-payment of the annual fee |