DE3670286D1 - Verfahren zur synthese von 4,4'-dihydroxydiphenylsulfon. - Google Patents
Verfahren zur synthese von 4,4'-dihydroxydiphenylsulfon.Info
- Publication number
- DE3670286D1 DE3670286D1 DE8686307653T DE3670286T DE3670286D1 DE 3670286 D1 DE3670286 D1 DE 3670286D1 DE 8686307653 T DE8686307653 T DE 8686307653T DE 3670286 T DE3670286 T DE 3670286T DE 3670286 D1 DE3670286 D1 DE 3670286D1
- Authority
- DE
- Germany
- Prior art keywords
- isomer
- synthesising
- reaction solvent
- dihydroxydiphenyl sulphone
- bisphenol sulfone
- 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 - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C317/00—Sulfones; Sulfoxides
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 |
---|---|---|---|
US78404585A | 1985-10-04 | 1985-10-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3670286D1 true DE3670286D1 (de) | 1990-05-17 |
Family
ID=25131179
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686307653T Expired - Fee Related DE3670286D1 (de) | 1985-10-04 | 1986-10-03 | Verfahren zur synthese von 4,4'-dihydroxydiphenylsulfon. |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0220004B1 (de) |
JP (1) | JPS6293270A (de) |
AT (1) | ATE51863T1 (de) |
CA (1) | CA1330448C (de) |
DE (1) | DE3670286D1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3835527A1 (de) * | 1988-10-19 | 1990-05-03 | Basf Ag | Verfahren zur herstellung von bis(4-hydroxyphenyl)sulfon |
CA2008121A1 (en) * | 1989-01-27 | 1990-07-27 | Henry J. Barda | Process for forming 4,4'-dihydroxy diphenyl sulfone |
US5072049A (en) * | 1989-02-01 | 1991-12-10 | Basf Aktiengesellschaft | Process for the preparation of bis(4-hydroxyphenyl) sulfone |
DE3928704A1 (de) * | 1989-08-30 | 1991-03-07 | Hoechst Ag | Verfahren zur herstellung von 4,4' -dihydroxydiphenylsulfon |
US5189223A (en) * | 1989-09-14 | 1993-02-23 | Konishi Chemical Ind. Co., Ltd. | Process for preparation of 4,4'-dihydroxydiphenylsulfone |
DE69031272T2 (de) * | 1989-12-29 | 1998-03-26 | Konishi Chem Ind | Verfahren zur herstellung von 4,4'-dihydroxydiphenylsulfon |
US5241121A (en) * | 1989-12-29 | 1993-08-31 | Konishi Chemical Ind. Co., Ltd. | Process for preparation of 4,4'-dihydroxydiphenylsulfone |
EP0495097A4 (en) * | 1990-08-06 | 1993-01-13 | Aristech Chemical Corporation | Preparation of relatively pure p, p-bisphenol s |
DE10018580A1 (de) | 2000-04-14 | 2001-10-25 | Basf Ag | Semikontinuierliches Verfahren zur Herstellung von 4,4'-Dihydroxydiphenylsulfon |
JP2003104956A (ja) * | 2001-09-28 | 2003-04-09 | Konishi Kagaku Ind Co Ltd | ジヒドロキシジフェニルスルホン異性体混合物の製造方法 |
JP4858897B2 (ja) * | 2001-09-28 | 2012-01-18 | 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異性体混合物の製造方法 |
CN1267415C (zh) | 2001-09-28 | 2006-08-02 | 小西化学工业株式会社 | 二羟基二苯砜异构体混合物的制备方法 |
JP4930668B2 (ja) * | 2001-09-28 | 2012-05-16 | 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異性体混合物の製造方法 |
AU2002241266A1 (en) * | 2002-03-20 | 2003-09-29 | Nippon Soda Co., Ltd. | Process for producing 4,4'-bisphenol sulfone |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4162270A (en) * | 1975-02-24 | 1979-07-24 | Konishi Chemical Industry Co., Ltd. | Process for producing 4,4'-dihydroxydiphenylsulfone of high purity |
-
1986
- 1986-10-03 EP EP86307653A patent/EP0220004B1/de not_active Expired - Lifetime
- 1986-10-03 AT AT86307653T patent/ATE51863T1/de not_active IP Right Cessation
- 1986-10-03 DE DE8686307653T patent/DE3670286D1/de not_active Expired - Fee Related
- 1986-10-03 JP JP61234743A patent/JPS6293270A/ja active Granted
- 1986-10-03 CA CA000519714A patent/CA1330448C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0220004B1 (de) | 1990-04-11 |
JPS6293270A (ja) | 1987-04-28 |
JPH0474347B2 (de) | 1992-11-26 |
ATE51863T1 (de) | 1990-04-15 |
CA1330448C (en) | 1994-06-28 |
EP0220004A1 (de) | 1987-04-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |