ES2061332T3 - Procedimiento para purificar monoterc-butil-hidroquinona. - Google Patents
Procedimiento para purificar monoterc-butil-hidroquinona.Info
- Publication number
- ES2061332T3 ES2061332T3 ES92901049T ES92901049T ES2061332T3 ES 2061332 T3 ES2061332 T3 ES 2061332T3 ES 92901049 T ES92901049 T ES 92901049T ES 92901049 T ES92901049 T ES 92901049T ES 2061332 T3 ES2061332 T3 ES 2061332T3
- Authority
- ES
- Spain
- Prior art keywords
- butyl hydroquinone
- monoterc
- hidroquinona
- butil
- purify
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 title abstract 2
- 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)
Abstract
SE SUMINISTRA UN PROCESO PARA LA PRODUCCION DE HIDROQUINONA BUTIL TERCIARIA DE GRADO DE ALIMENTACION A PARTIR DE HIDROQUINONA BUTIL MONOTERCIARIA IMPURA. LOS CRISTALES DE HIDROQUINONA BUTIL MONOTERCIARIA IMPURA SON AGITADOS A UNA TEMPERATURA ELEVADA MIENTRAS SE ENCUENTRAN EN CONTACTO CON UN DISOLVENTE NO POLAR BAJO CONDICIONES DE EXTRACCION DE LA MAYORIA DE LAS IMPUREZAS SEGUIDA MEDIANTE UNA SEPARACION DE LOS CRISTALES DE HIDROQUINONA BUTIL MONOTERCIARIA PURIFICADA A PARTIR DEL DISOLVENTE A UNA TEMPERATURA POR ENCIMA DEL PUNTO DE CRISTALIZACION DE LAS IMPUREZAS.
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 |
|---|---|
| ES2061332T3 true ES2061332T3 (es) | 1994-12-01 |
Family
ID=24494224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES92901049T Expired - Lifetime ES2061332T3 (es) | 1990-12-05 | 1991-11-26 | Procedimiento para purificar monoterc-butil-hidroquinona. |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5087771A (es) |
| EP (1) | EP0561929B1 (es) |
| JP (1) | JPH06503326A (es) |
| AT (1) | ATE112253T1 (es) |
| CA (1) | CA2095110A1 (es) |
| DE (1) | DE69104379T2 (es) |
| DK (1) | DK0561929T3 (es) |
| ES (1) | ES2061332T3 (es) |
| WO (1) | WO1992010456A1 (es) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6271424B1 (en) | 2000-06-16 | 2001-08-07 | Eastman Chemical Company | Process for the purification of monotertiarybutyl hydroquinone |
| 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 DK DK92901049.4T patent/DK0561929T3/da active
- 1991-11-26 AT AT92901049T patent/ATE112253T1/de not_active IP Right Cessation
- 1991-11-26 ES ES92901049T patent/ES2061332T3/es not_active Expired - Lifetime
- 1991-11-26 JP JP4501336A patent/JPH06503326A/ja active Pending
- 1991-11-26 EP EP92901049A patent/EP0561929B1/en not_active Expired - Lifetime
- 1991-11-26 CA CA002095110A patent/CA2095110A1/en not_active Abandoned
- 1991-11-26 WO PCT/US1991/008770 patent/WO1992010456A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| EP0561929A1 (en) | 1993-09-29 |
| US5087771A (en) | 1992-02-11 |
| DK0561929T3 (da) | 1994-10-24 |
| WO1992010456A1 (en) | 1992-06-25 |
| EP0561929B1 (en) | 1994-09-28 |
| ATE112253T1 (de) | 1994-10-15 |
| DE69104379D1 (de) | 1994-11-03 |
| CA2095110A1 (en) | 1992-06-06 |
| JPH06503326A (ja) | 1994-04-14 |
| DE69104379T2 (de) | 1995-02-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG2A | Definitive protection |
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