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DE3890647T1 - Verfahren zur reinigung von 4,4'-dihydroxydiphenylsulfon - Google Patents

Verfahren zur reinigung von 4,4'-dihydroxydiphenylsulfon

Info

Publication number
DE3890647T1
DE3890647T1 DE19883890647 DE3890647T DE3890647T1 DE 3890647 T1 DE3890647 T1 DE 3890647T1 DE 19883890647 DE19883890647 DE 19883890647 DE 3890647 T DE3890647 T DE 3890647T DE 3890647 T1 DE3890647 T1 DE 3890647T1
Authority
DE
Germany
Prior art keywords
purifying
dihydroxydiphenyl sulphone
sulphone
dihydroxydiphenyl
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
Application number
DE19883890647
Other languages
English (en)
Other versions
DE3890647C2 (de
Inventor
Eiji Ogata
Koji Ono
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.)
Konishi Chemical Ind Co Ltd
Original Assignee
Konishi Chemical Ind 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
Priority claimed from JP20843587A external-priority patent/JPS6450856A/ja
Priority claimed from JP20843487A external-priority patent/JPS6450855A/ja
Priority claimed from JP1331388A external-priority patent/JPH01190661A/ja
Application filed by Konishi Chemical Ind Co Ltd filed Critical Konishi Chemical Ind Co Ltd
Priority claimed from PCT/JP1988/000813 external-priority patent/WO1989001469A1/ja
Publication of DE3890647T1 publication Critical patent/DE3890647T1/de
Granted legal-status Critical Current

Links

DE19883890647 1987-08-21 1988-08-17 Verfahren zur reinigung von 4,4'-dihydroxydiphenylsulfon Granted DE3890647T1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP20843587A JPS6450856A (en) 1987-08-21 1987-08-21 Production of 4,4'-dihydroxydiphenylsulfone monometallic salt
JP20843487A JPS6450855A (en) 1987-08-21 1987-08-21 Purification of 4,4'-dihydroxydiphenylsulfone
JP1331388A JPH01190661A (ja) 1988-01-22 1988-01-22 ４，４′−ジヒドロキシジフエニルスルホンの精製法
PCT/JP1988/000813 WO1989001469A1 (en) 1987-08-21 1988-08-17 Process for purifying 4,4'-dihydroxydiphenyl sulfone

Publications (1)

Publication Number Publication Date
DE3890647T1 true DE3890647T1 (de) 1989-09-07

Family

ID=27455966

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19883890647 Granted DE3890647T1 (de) 1987-08-21 1988-08-17 Verfahren zur reinigung von 4,4'-dihydroxydiphenylsulfon

Country Status (1)

Country Link
DE (1) DE3890647T1 (de)

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8607 Notification of search results after publication
D2 Grant after examination