DE60312646D1 - Verfahren zur herstellung von 2,4'-dihydroxydiphenyl sulfon - Google Patents
Verfahren zur herstellung von 2,4'-dihydroxydiphenyl sulfonInfo
- Publication number
- DE60312646D1 DE60312646D1 DE60312646T DE60312646T DE60312646D1 DE 60312646 D1 DE60312646 D1 DE 60312646D1 DE 60312646 T DE60312646 T DE 60312646T DE 60312646 T DE60312646 T DE 60312646T DE 60312646 D1 DE60312646 D1 DE 60312646D1
- Authority
- DE
- Germany
- Prior art keywords
- preparation
- dihydroxydiphenyl sulphone
- sulphone
- dihydroxydiphenyl
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C315/00—Preparation of sulfones; Preparation of sulfoxides
- C07C315/04—Preparation of sulfones; Preparation of sulfoxides by reactions not involving the formation of sulfone or sulfoxide groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C315/00—Preparation of sulfones; Preparation of sulfoxides
- C07C315/06—Separation; Purification; Stabilisation; Use of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002013992A JP4124319B2 (ja) | 2002-01-23 | 2002-01-23 | ２，４’−ジヒドロキシジフェニルスルホンの製造方法 |
| JP2002013992 | 2002-01-23 | ||
| PCT/JP2003/000571 WO2003062194A1 (fr) | 2002-01-23 | 2003-01-22 | Procede pour produire du sulfone 2,4'-dihydroxydiphenylique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE60312646D1 true DE60312646D1 (de) | 2007-05-03 |
| DE60312646T2 DE60312646T2 (de) | 2007-06-28 |
Family
ID=27606083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE60312646T Expired - Lifetime DE60312646T2 (de) | 2002-01-23 | 2003-01-22 | Verfahren zur herstellung von 2,4'-dihydroxydiphenyl sulfon |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7189880B2 (de) |
| EP (1) | EP1468987B1 (de) |
| JP (1) | JP4124319B2 (de) |
| CN (1) | CN100393697C (de) |
| DE (1) | DE60312646T2 (de) |
| WO (1) | WO2003062194A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0921069D0 (en) | 2009-12-01 | 2010-01-13 | Bandodkar Hemant R | Process for the production of a sulfone polymer |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS566990B2 (de) | 1974-02-02 | 1981-02-14 | ||
| GB2088858B (en) | 1980-10-31 | 1984-09-05 | Tokai Electro Chemical Co | Process for isolating 4,4'-dihydroxydiphenyl sulfone from a mixture of dihydroxydiphenyl sulfone isomers |
| JPS582236B2 (ja) | 1980-10-31 | 1983-01-14 | 東海電化工業株式会社 | ジヒドロキシジフエニルスルホン異性体混合物から４，４′−ジヒドロキシジフエニルスルホンを単離する方法 |
| JPS6124559A (ja) | 1984-07-11 | 1986-02-03 | Nikka Chem Ind Co Ltd | ジヒドロキシジフエニルスルホンの精製方法 |
| US5399772A (en) | 1993-05-31 | 1995-03-21 | Nicca Chemical Co., Ltd. | Method of producing A 2,4'-dihydroxydiphenylsulfone |
| JP2960869B2 (ja) | 1995-07-25 | 1999-10-12 | 日華化学株式会社 | 高純度２，４’−ジヒドロキシジフェニルスルホンの製造方法 |
| JP3890387B2 (ja) * | 1996-07-12 | 2007-03-07 | 小西化学工業株式会社 | ジヒドロキシジフェニルスルホンの製造方法 |
| JP3486633B2 (ja) | 1996-11-15 | 2004-01-13 | 小西化学工業株式会社 | ２，４′−ジヒドロキシジフェニルスルホンの精製法 |
-
2002
- 2002-01-23 JP JP2002013992A patent/JP4124319B2/ja not_active Expired - Lifetime
-
2003
- 2003-01-22 US US10/500,997 patent/US7189880B2/en not_active Expired - Lifetime
- 2003-01-22 EP EP03731628A patent/EP1468987B1/de not_active Expired - Fee Related
- 2003-01-22 WO PCT/JP2003/000571 patent/WO2003062194A1/ja active IP Right Grant
- 2003-01-22 CN CNB038025663A patent/CN100393697C/zh not_active Expired - Fee Related
- 2003-01-22 DE DE60312646T patent/DE60312646T2/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP1468987A1 (de) | 2004-10-20 |
| EP1468987A4 (de) | 2006-05-03 |
| WO2003062194A1 (fr) | 2003-07-31 |
| JP2003212839A (ja) | 2003-07-30 |
| JP4124319B2 (ja) | 2008-07-23 |
| US7189880B2 (en) | 2007-03-13 |
| EP1468987B1 (de) | 2007-03-21 |
| CN100393697C (zh) | 2008-06-11 |
| CN1620428A (zh) | 2005-05-25 |
| DE60312646T2 (de) | 2007-06-28 |
| US20050049437A1 (en) | 2005-03-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition |