DE60009960D1 - Verfahren zur reinigung von monotertiärbutylhydrochinon - Google Patents
Verfahren zur reinigung von monotertiärbutylhydrochinonInfo
- Publication number
- DE60009960D1 DE60009960D1 DE60009960T DE60009960T DE60009960D1 DE 60009960 D1 DE60009960 D1 DE 60009960D1 DE 60009960 T DE60009960 T DE 60009960T DE 60009960 T DE60009960 T DE 60009960T DE 60009960 D1 DE60009960 D1 DE 60009960D1
- Authority
- DE
- Germany
- Prior art keywords
- polar solvent
- hydroquinone
- monotertiarybutyl
- purified
- ditertiarybutyl
- 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
- -1 BUTYL Chemical group 0.000 title 1
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 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 5
- JZODKRWQWUWGCD-UHFFFAOYSA-N 2,5-di-tert-butylbenzene-1,4-diol Chemical compound CC(C)(C)C1=CC(O)=C(C(C)(C)C)C=C1O JZODKRWQWUWGCD-UHFFFAOYSA-N 0.000 abstract 4
- 239000012454 non-polar solvent Substances 0.000 abstract 4
- 239000002798 polar solvent Substances 0.000 abstract 4
- 239000000203 mixture Substances 0.000 abstract 3
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000011877 solvent mixture 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
- C07C37/685—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
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US21216400P | 2000-06-16 | 2000-06-16 | |
| US212164P | 2000-06-16 | ||
| PCT/US2000/040293 WO2001098242A1 (en) | 2000-06-16 | 2000-06-30 | Process for the purification of monotertiarybutyl hydroquinone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE60009960D1 true DE60009960D1 (de) | 2004-05-19 |
| DE60009960T2 DE60009960T2 (de) | 2004-08-12 |
Family
ID=22789806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE60009960T Expired - Lifetime DE60009960T2 (de) | 2000-06-16 | 2000-06-30 | Verfahren zur reinigung von monotertiärbutylhydrochinon |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6271424B1 (de) |
| EP (1) | EP1289917B1 (de) |
| AT (1) | ATE264286T1 (de) |
| BR (1) | BR0017256A (de) |
| DE (1) | DE60009960T2 (de) |
| WO (1) | WO2001098242A1 (de) |
| ZA (1) | ZA200210048B (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018214039A1 (en) * | 2017-05-24 | 2018-11-29 | Rhodia Operations | Method for the purification of tertiary butyl hydroquinone |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2722556A (en) | 1952-03-19 | 1955-11-01 | Eastman Kodak Co | Preparation of tertiary butyl hydroquinone |
| JPS5334043B2 (de) | 1974-02-06 | 1978-09-19 | ||
| US4323715A (en) | 1980-11-20 | 1982-04-06 | Uop Inc. | Preparation of mono-tertiary butylhydroquinone |
| US4323713A (en) | 1980-11-20 | 1982-04-06 | Uop Inc. | Preparation of mono-tertiary butylhydroquinone |
| JPH0237899B2 (ja) | 1985-10-04 | 1990-08-28 | Showa Denko Kk | 22terttbuchiruhidorokinonnoseiseihoho |
| JPS6281339A (ja) * | 1985-10-04 | 1987-04-14 | Showa Denko Kk | ２−ｔｅｒｔ−ブチルヒドロキノンの精製方法 |
| US5087771A (en) * | 1990-12-05 | 1992-02-11 | Eastman Kodak Company | Process for the purification of monotertiarybutyl hydroquinone |
-
2000
- 2000-06-30 WO PCT/US2000/040293 patent/WO2001098242A1/en active IP Right Grant
- 2000-06-30 US US09/608,211 patent/US6271424B1/en not_active Expired - Lifetime
- 2000-06-30 BR BR0017256-1A patent/BR0017256A/pt not_active IP Right Cessation
- 2000-06-30 EP EP00960122A patent/EP1289917B1/de not_active Expired - Lifetime
- 2000-06-30 DE DE60009960T patent/DE60009960T2/de not_active Expired - Lifetime
- 2000-06-30 AT AT00960122T patent/ATE264286T1/de not_active IP Right Cessation
-
2002
- 2002-12-11 ZA ZA200210048A patent/ZA200210048B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP1289917B1 (de) | 2004-04-14 |
| EP1289917A1 (de) | 2003-03-12 |
| ZA200210048B (en) | 2003-10-21 |
| WO2001098242A1 (en) | 2001-12-27 |
| US6271424B1 (en) | 2001-08-07 |
| DE60009960T2 (de) | 2004-08-12 |
| ATE264286T1 (de) | 2004-04-15 |
| BR0017256A (pt) | 2003-05-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition |