DE69003400D1 - Verfahren zur Herstellung von 4,4' Dihydroxydiphenylsulfon. - Google Patents
Verfahren zur Herstellung von 4,4' Dihydroxydiphenylsulfon.Info
- Publication number
- DE69003400D1 DE69003400D1 DE90200152T DE69003400T DE69003400D1 DE 69003400 D1 DE69003400 D1 DE 69003400D1 DE 90200152 T DE90200152 T DE 90200152T DE 69003400 T DE69003400 T DE 69003400T DE 69003400 D1 DE69003400 D1 DE 69003400D1
- Authority
- DE
- Germany
- Prior art keywords
- preparation
- dihydroxydiphenyl sulfone
- dihydroxydiphenyl
- 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
- C07C315/00—Preparation of sulfones; Preparation of sulfoxides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US30251489A | 1989-01-27 | 1989-01-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69003400D1 true DE69003400D1 (de) | 1993-10-28 |
DE69003400T2 DE69003400T2 (de) | 1994-03-24 |
Family
ID=23168055
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1990603400 Expired - Fee Related DE69003400T2 (de) | 1989-01-27 | 1990-01-22 | Verfahren zur Herstellung von 4,4' Dihydroxydiphenylsulfon. |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0380175B1 (de) |
CA (1) | CA2008121A1 (de) |
DE (1) | DE69003400T2 (de) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5198239A (en) * | 1975-02-24 | 1976-08-30 | Kojundo 4*4** jihidorokishijifuenirusurupponnoseizoho | |
GB2030566A (en) * | 1978-09-15 | 1980-04-10 | Ici Ltd | Preparation of 4,4'-dihydroxy- diphenylsulphone |
GB2099006B (en) * | 1981-05-26 | 1984-12-19 | Ici Plc | Manufacturing of aromatic polysulphones and polyketones |
JPS6136253A (ja) * | 1984-07-27 | 1986-02-20 | Nikka Chem Ind Co Ltd | 4,4’−ジヒドロキシジフエニルスルホンの製造法 |
DE3670286D1 (de) * | 1985-10-04 | 1990-05-17 | Amoco Corp | Verfahren zur synthese von 4,4'-dihydroxydiphenylsulfon. |
-
1990
- 1990-01-19 CA CA 2008121 patent/CA2008121A1/en not_active Abandoned
- 1990-01-22 DE DE1990603400 patent/DE69003400T2/de not_active Expired - Fee Related
- 1990-01-22 EP EP19900200152 patent/EP0380175B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69003400T2 (de) | 1994-03-24 |
EP0380175A1 (de) | 1990-08-01 |
CA2008121A1 (en) | 1990-07-27 |
EP0380175B1 (de) | 1993-09-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: AKZO NOBEL N.V., ARNHEIM/ARNHEM, NL |
|
8339 | Ceased/non-payment of the annual fee |