JPS5777664A - Preparation of dihydroxydiphenyl sulfone - Google Patents
Preparation of dihydroxydiphenyl sulfoneInfo
- Publication number
- JPS5777664A JPS5777664A JP55152225A JP15222580A JPS5777664A JP S5777664 A JPS5777664 A JP S5777664A JP 55152225 A JP55152225 A JP 55152225A JP 15222580 A JP15222580 A JP 15222580A JP S5777664 A JPS5777664 A JP S5777664A
- Authority
- JP
- Japan
- Prior art keywords
- phenol
- sulfonating agent
- phenolsulfonic acid
- sulfuric acid
- acid
- 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.)
- Granted
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55152225A JPS582235B2 (ja) | 1980-10-31 | 1980-10-31 | ジヒドロキシジフエニルスルホンの製造法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55152225A JPS582235B2 (ja) | 1980-10-31 | 1980-10-31 | ジヒドロキシジフエニルスルホンの製造法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5777664A true JPS5777664A (en) | 1982-05-15 |
JPS582235B2 JPS582235B2 (ja) | 1983-01-14 |
Family
ID=15535813
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55152225A Expired JPS582235B2 (ja) | 1980-10-31 | 1980-10-31 | ジヒドロキシジフエニルスルホンの製造法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS582235B2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6150958A (ja) * | 1984-08-16 | 1986-03-13 | Konishi Kagaku Kogyo Kk | 4,4′−ジヒドロキシジフエニルスルホンの精製法 |
US4933494A (en) * | 1988-01-26 | 1990-06-12 | Nicca Chemical Co., Ltd. | Process for purification of dihydroxydiphenylsulfone |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5136264A (ja) * | 1974-09-19 | 1976-03-27 | Mitsubishi Monsanto Chem | Garasusenikyokahoribuchirenterefutareetojushisoseibutsu |
-
1980
- 1980-10-31 JP JP55152225A patent/JPS582235B2/ja not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5136264A (ja) * | 1974-09-19 | 1976-03-27 | Mitsubishi Monsanto Chem | Garasusenikyokahoribuchirenterefutareetojushisoseibutsu |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6150958A (ja) * | 1984-08-16 | 1986-03-13 | Konishi Kagaku Kogyo Kk | 4,4′−ジヒドロキシジフエニルスルホンの精製法 |
US4933494A (en) * | 1988-01-26 | 1990-06-12 | Nicca Chemical Co., Ltd. | Process for purification of dihydroxydiphenylsulfone |
Also Published As
Publication number | Publication date |
---|---|
JPS582235B2 (ja) | 1983-01-14 |
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