JPS558972B2 - - Google Patents

Info

Publication number
JPS558972B2
JPS558972B2 JP2313275A JP2313275A JPS558972B2 JP S558972 B2 JPS558972 B2 JP S558972B2 JP 2313275 A JP2313275 A JP 2313275A JP 2313275 A JP2313275 A JP 2313275A JP S558972 B2 JPS558972 B2 JP S558972B2
Authority
JP
Japan
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
Application number
JP2313275A
Other languages
Japanese (ja)
Other versions
JPS5198239A (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP50023132A priority Critical patent/JPS5198239A/ja
Publication of JPS5198239A publication Critical patent/JPS5198239A/ja
Priority to US05/896,611 priority patent/US4162270A/en
Priority claimed from US05/896,611 external-priority patent/US4162270A/en
Publication of JPS558972B2 publication Critical patent/JPS558972B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP50023132A 1975-02-24 1975-02-24 Kojundo 4*4** jihidorokishijifuenirusurupponnoseizoho Granted JPS5198239A (en)

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 JPS5198239A (en) 1976-08-30
JPS558972B2 true JPS558972B2 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986006370A1 (en) * 1985-04-19 1986-11-06 Konishi Chemical Industry Co., Ltd. Process for producing highly pure 4,4'-dihydroxydiphenyl sulfone
WO1991009839A1 (en) * 1989-12-29 1991-07-11 Konishi Chemical Ind. Co., Ltd. Process for producing 4,4'-dihydroxydiphenyl sulfone

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5001270A (en) * 1985-10-04 1991-03-19 Amoco Corporation Process for recovering 4,4' dihydroxydiphenyl sulfone from an isomer mixture
CA2008121A1 (en) * 1989-01-27 1990-07-27 Henry J. Barda Process for forming 4,4'-dihydroxy diphenyl sulfone
DE3928704A1 (de) * 1989-08-30 1991-03-07 Hoechst Ag Verfahren zur herstellung von 4,4' -dihydroxydiphenylsulfon
EP0443046B1 (en) * 1989-09-14 1994-04-13 Konishi Chemical Ind. Co., Ltd. Process for preparing 4,4'-dihydroxydiphenyl sulfone
DE19619295C2 (de) * 1996-05-13 2003-10-23 Siemens Ag Justierverfahren für thermische Überlastauslöser
JP4840750B2 (ja) * 2001-08-13 2011-12-21 小西化学工業株式会社 高純度４，４′−ジヒドロキシジフェニルスルホンの製造方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986006370A1 (en) * 1985-04-19 1986-11-06 Konishi Chemical Industry Co., Ltd. Process for producing highly pure 4,4'-dihydroxydiphenyl sulfone
WO1991009839A1 (en) * 1989-12-29 1991-07-11 Konishi Chemical Ind. Co., Ltd. Process for producing 4,4'-dihydroxydiphenyl sulfone

Also Published As

Publication number Publication date
JPS5198239A (en) 1976-08-30

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