JPS5198239A - Kojundo 4*4** jihidorokishijifuenirusurupponnoseizoho - Google Patents
Kojundo 4*4** jihidorokishijifuenirusurupponnoseizohoInfo
- Publication number
- JPS5198239A JPS5198239A JP50023132A JP2313275A JPS5198239A JP S5198239 A JPS5198239 A JP S5198239A JP 50023132 A JP50023132 A JP 50023132A JP 2313275 A JP2313275 A JP 2313275A JP S5198239 A JPS5198239 A JP S5198239A
- Authority
- JP
- Japan
- Prior art keywords
- jihidorokishijifuenirusurupponnoseizoho
- kojundo
- 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
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50023132A JPS5198239A (en) | 1975-02-24 | 1975-02-24 | Kojundo 4*4** jihidorokishijifuenirusurupponnoseizoho |
US05/896,611 US4162270A (en) | 1975-02-24 | 1978-04-14 | Process for producing 4,4'-dihydroxydiphenylsulfone of high purity |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50023132A JPS5198239A (en) | 1975-02-24 | 1975-02-24 | Kojundo 4*4** jihidorokishijifuenirusurupponnoseizoho |
US05/896,611 US4162270A (en) | 1975-02-24 | 1978-04-14 | Process for producing 4,4'-dihydroxydiphenylsulfone of high purity |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5198239A true JPS5198239A (en) | 1976-08-30 |
JPS558972B2 JPS558972B2 (en) | 1980-03-07 |
Family
ID=26360437
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50023132A Granted JPS5198239A (en) | 1975-02-24 | 1975-02-24 | Kojundo 4*4** jihidorokishijifuenirusurupponnoseizoho |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5198239A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6136253A (en) * | 1984-07-27 | 1986-02-20 | Nikka Chem Ind Co Ltd | Production of 4,4'-dihydroxydiphenyl sulfone |
EP0380175A1 (en) * | 1989-01-27 | 1990-08-01 | Akzo Nobel N.V. | Process for forming 4,4'-dihydroxydiphenyl sulfone |
US5001270A (en) * | 1985-10-04 | 1991-03-19 | Amoco Corporation | Process for recovering 4,4' dihydroxydiphenyl sulfone from an isomer mixture |
WO1991004245A1 (en) * | 1989-09-14 | 1991-04-04 | Konishi Chemical Ind. Co., Ltd. | Process for preparing 4,4'-dihydroxydiphenyl sulfone |
JPH05500050A (en) * | 1989-08-30 | 1993-01-14 | ヘキスト・アクチェンゲゼルシャフト | Method for producing 4,4'-dihydroxydiphenylsulfonic acid |
CN1060880C (en) * | 1996-05-13 | 2001-01-17 | 西门子公司 | Process for adjusting a thermal overlad cut-out |
JP2003055338A (en) * | 2001-08-13 | 2003-02-26 | Konishi Kagaku Ind Co Ltd | Method for producing 4,4'-dihydroxydiphenylsulfone having high purity |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61243059A (en) * | 1985-04-19 | 1986-10-29 | Konishi Kagaku Kogyo Kk | Production of high-purity 4-4'-dihydroxydiphenyl-sulfone |
EP0461272B1 (en) * | 1989-12-29 | 1997-08-13 | Konishi Chemical Ind. Co., Ltd. | Process for producing 4,4'-dihydroxydiphenyl sulfone |
-
1975
- 1975-02-24 JP JP50023132A patent/JPS5198239A/en active Granted
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6136253A (en) * | 1984-07-27 | 1986-02-20 | Nikka Chem Ind Co Ltd | Production of 4,4'-dihydroxydiphenyl sulfone |
US5001270A (en) * | 1985-10-04 | 1991-03-19 | Amoco Corporation | Process for recovering 4,4' dihydroxydiphenyl sulfone from an isomer mixture |
EP0380175A1 (en) * | 1989-01-27 | 1990-08-01 | Akzo Nobel N.V. | Process for forming 4,4'-dihydroxydiphenyl sulfone |
JPH05500050A (en) * | 1989-08-30 | 1993-01-14 | ヘキスト・アクチェンゲゼルシャフト | Method for producing 4,4'-dihydroxydiphenylsulfonic acid |
WO1991004245A1 (en) * | 1989-09-14 | 1991-04-04 | Konishi Chemical Ind. Co., Ltd. | Process for preparing 4,4'-dihydroxydiphenyl sulfone |
CN1060880C (en) * | 1996-05-13 | 2001-01-17 | 西门子公司 | Process for adjusting a thermal overlad cut-out |
JP2003055338A (en) * | 2001-08-13 | 2003-02-26 | Konishi Kagaku Ind Co Ltd | Method for producing 4,4'-dihydroxydiphenylsulfone having high purity |
Also Published As
Publication number | Publication date |
---|---|
JPS558972B2 (en) | 1980-03-07 |
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