DE69610747D1 - Verfahren zur Herstellung von hochreinem 2,4'-Dihydroxydiphenylsulfon - Google Patents

Verfahren zur Herstellung von hochreinem 2,4'-Dihydroxydiphenylsulfon

Info

Publication number
DE69610747D1
DE69610747D1 DE69610747T DE69610747T DE69610747D1 DE 69610747 D1 DE69610747 D1 DE 69610747D1 DE 69610747 T DE69610747 T DE 69610747T DE 69610747 T DE69610747 T DE 69610747T DE 69610747 D1 DE69610747 D1 DE 69610747D1
Authority
DE
Germany
Prior art keywords
purity
production
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 - Lifetime
Application number
DE69610747T
Other languages
English (en)
Other versions
DE69610747T2 (de
Inventor
Masaaki Hosoda
Masahiro Makino
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nicca Chemical Co Ltd
Original Assignee
Nicca Chemical Co Ltd
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 by Nicca Chemical Co Ltd filed Critical Nicca Chemical Co Ltd
Publication of DE69610747D1 publication Critical patent/DE69610747D1/de
Application granted granted Critical
Publication of DE69610747T2 publication Critical patent/DE69610747T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C315/00—Preparation of sulfones; Preparation of sulfoxides
    • C07C315/06—Separation; Purification; Stabilisation; Use of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE69610747T 1995-07-25 1996-01-10 Verfahren zur Herstellung von hochreinem 2,4'-Dihydroxydiphenylsulfon Expired - Lifetime DE69610747T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7209200A JP2960869B2 (ja) 1995-07-25 1995-07-25 高純度２，４’−ジヒドロキシジフェニルスルホンの製造方法

Publications (2)

Publication Number Publication Date
DE69610747D1 true DE69610747D1 (de) 2000-11-30
DE69610747T2 DE69610747T2 (de) 2001-03-08

Family

ID=16569016

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69610747T Expired - Lifetime DE69610747T2 (de) 1995-07-25 1996-01-10 Verfahren zur Herstellung von hochreinem 2,4'-Dihydroxydiphenylsulfon

Country Status (4)

Country Link
US (1) US5767318A (de)
EP (1) EP0755920B1 (de)
JP (1) JP2960869B2 (de)
DE (1) DE69610747T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60223935T8 (de) * 2001-09-28 2009-06-25 Konishi Chemical Ind. Co., Ltd. Verfahren zur herstellung einer mischung von dihydroxydiphenylsulfonisomeren
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
JP4124319B2 (ja) 2002-01-23 2008-07-23 日華化学株式会社 ２，４’−ジヒドロキシジフェニルスルホンの製造方法
JP2003238523A (ja) * 2002-02-15 2003-08-27 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
JP2003313160A (ja) * 2002-02-22 2003-11-06 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
GB0921069D0 (en) 2009-12-01 2010-01-13 Bandodkar Hemant R Process for the production of a sulfone polymer
CN113480457B (zh) * 2021-07-23 2022-04-15 涉县津东经贸有限责任公司 一种高纯度双酚s的生产方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2392137A (en) * 1944-12-30 1946-01-01 Monsanto Chemicals Separation and purification of isomeric dihydroxy diphenyl sulphones
JPS6293271A (ja) * 1985-10-04 1987-04-28 アモコ　コ−ポレ−シヨン ４，４’−ジヒドロキシジフエニルスルホンを異性体混合物から回収する方法
US5001270A (en) * 1985-10-04 1991-03-19 Amoco Corporation Process for recovering 4,4' dihydroxydiphenyl sulfone from an isomer mixture
WO1989001469A1 (en) * 1987-08-21 1989-02-23 Konishi Chemical Industry, Limited Process for purifying 4,4'-dihydroxydiphenyl sulfone
GB8801611D0 (en) * 1988-01-25 1988-02-24 Ici Plc Preparation of 4 4'-dihydroxydiphenyl sulphone
JP2681737B2 (ja) * 1993-03-24 1997-11-26 日華化学株式会社 感熱記録材料

Also Published As

Publication number Publication date
JP2960869B2 (ja) 1999-10-12
JPH0940635A (ja) 1997-02-10
EP0755920A1 (de) 1997-01-29
US5767318A (en) 1998-06-16
DE69610747T2 (de) 2001-03-08
EP0755920B1 (de) 2000-10-25

Similar Documents

Publication Publication Date Title
DE69503960D1 (de) Verfahren zur Herstellung von Bisphenol
DE59707913D1 (de) Kontinuierliches Verfahren zur Herstellung von gamma- Aminopropyltrialkoxysilanen
DE69603314T2 (de) Verfahren zur Herstellung von Sulfiden
DE69502384D1 (de) Prozess zur herstellung von polyarylenetherketonen
DE69510596T2 (de) Verfahren zur Herstellung von Organooxysilane
DE59608829D1 (de) Verfahren zur Herstellung von 1,3-Dimethyl-5-fluor-pyrazol-4-carboxaniliden
DE59502202D1 (de) Verfahren zur kontinuierlichen Herstellung von hochreinem Bisphenol-A
DE69413946T2 (de) Verfahren zur Herstellung von hochreiner 2,6-Naphthalindicarbonsäure
DE69522877D1 (de) Verfahren zur Herstellung von hochreinem Stickstoff
DE69605709D1 (de) Verfahren zur kontinuierliche Herstellung von Dimethylkarbonat
DE59408701D1 (de) Verfahren zur Herstellung von 2,3,4,5-Tetrafluor-benzotrifluorid
DE59602996D1 (de) Verfahren zur Herstellung von Alkoholaten
DE69610747D1 (de) Verfahren zur Herstellung von hochreinem 2,4'-Dihydroxydiphenylsulfon
DE69408085T2 (de) Verfahren zur Herstellung von 2,2-Diphenylhexafluorpropanen
DE59303691D1 (de) Verfahren zur Herstellung von alpha-Chlor- 2,4,6-trimethylacetophenon
DE59401800D1 (de) Verfahren zur Herstellung von 1,1'-Binaphthylen
DE69611331T2 (de) Verfahren zur Herstellung von S-Phenyl-L-Cystein
DE69401368D1 (de) Verfahren zur Herstellung von 1,4-Dicyano-2-buten
DE69603243D1 (de) Verfahren zur Herstellung von Ethenylamiden
DE59404420D1 (de) Verbessertes Verfahren zur Herstellung von 2,2'-Dinitrodiphenyldisulfid
DE69716203T2 (de) Verfahren zur Herstellung von hochreinem 1,3-Dialkyl-2-imidazolidinon
DE69600534T2 (de) Verfahren zur Herstellung von 1,5-Hexadien
DE59305115D1 (de) Verfahren zur Herstellung von 2,3-Dichlor-nitrobenzol
DE69502242T2 (de) Verfahren zur Herstellung von 1,3-dialkyl-2-imidazolidinon
DE69423702T2 (de) Verfahren zur Herstellung von 6,13-Dihydroquinacridonen

Legal Events

Date Code Title Description
8364 No opposition during term of opposition