JPH0481972B2 - - Google Patents

Info

Publication number
JPH0481972B2
JPH0481972B2 JP25371684A JP25371684A JPH0481972B2 JP H0481972 B2 JPH0481972 B2 JP H0481972B2 JP 25371684 A JP25371684 A JP 25371684A JP 25371684 A JP25371684 A JP 25371684A JP H0481972 B2 JPH0481972 B2 JP H0481972B2
Authority
JP
Japan
Prior art keywords
solvent
acp
bisphenol
crude
bisphenol acp
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
JP25371684A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61130251A (ja
Inventor
Haruhisa Harada
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo 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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Priority to JP25371684A priority Critical patent/JPS61130251A/ja
Publication of JPS61130251A publication Critical patent/JPS61130251A/ja
Publication of JPH0481972B2 publication Critical patent/JPH0481972B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP25371684A 1984-11-29 1984-11-29 １，１−ビス−（４−ヒドロキシフェニル）−１−フェニルエタンの精製法 Granted JPS61130251A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP25371684A JPS61130251A (ja) 1984-11-29 1984-11-29 １，１−ビス−（４−ヒドロキシフェニル）−１−フェニルエタンの精製法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25371684A JPS61130251A (ja) 1984-11-29 1984-11-29 １，１−ビス−（４−ヒドロキシフェニル）−１−フェニルエタンの精製法

Publications (2)

Publication Number Publication Date
JPS61130251A JPS61130251A (ja) 1986-06-18
JPH0481972B2 true JPH0481972B2 (enrdf_load_stackoverflow) 1992-12-25

Family

ID=17255151

Family Applications (1)

Application Number Title Priority Date Filing Date
JP25371684A Granted JPS61130251A (ja) 1984-11-29 1984-11-29 １，１−ビス−（４−ヒドロキシフェニル）−１−フェニルエタンの精製法

Country Status (1)

Country Link
JP (1) JPS61130251A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS61130251A (ja) 1986-06-18

Similar Documents

Publication Publication Date Title
US5545764A (en) Process for the continuous production of high purity bisphenol A
JPS59231033A (ja) ビスフエノ−ルａの精製方法
CN1017704B (zh) 制备高纯度2，2-二(4-羟苯基)丙烷的方法
US4408087A (en) Purification of bisphenol-A
US4529823A (en) Purification of bisphenol-A
JPS63159335A (ja) プロセス
JPH06502425A (ja) ビスフェノールフルオレン化合物の製造方法
EP0592627A1 (en) PROCESS FOR OBTAINING HIGH PURITY TETRABROMOBISPHENOL-A.
EP0220855B1 (en) Process for recovering 4,4' dihydroxydiphenyl sulfone from an isomer mixture
CA1073928A (en) 1,1,2-tris-(o/p-hydroxyphenyl)-1-phenyl-ethanes and a process for their preparation
US5399772A (en) Method of producing A 2,4'-dihydroxydiphenylsulfone
JPH0481972B2 (enrdf_load_stackoverflow)
US3850988A (en) Purification of benzophenones
JPH01226842A (ja) ジヒドロキシジフェニルメタンの分離方法
JP2000327614A (ja) ビスフェノールａの製造方法
JPS582236B2 (ja) ジヒドロキシジフエニルスルホン異性体混合物から４，４′−ジヒドロキシジフエニルスルホンを単離する方法
JPH0443058B2 (enrdf_load_stackoverflow)
JPH0446253B2 (enrdf_load_stackoverflow)
GB2030566A (en) Preparation of 4,4'-dihydroxy- diphenylsulphone
JPH0248543A (ja) Ｐ，ｐ´−ビフェノールの精製方法
CA1247135A (en) Process for producing 6,6'-dihydroxy-3,3,3',3'- tetramethyl-1,1'-spirobiindane
US5001270A (en) Process for recovering 4,4' dihydroxydiphenyl sulfone from an isomer mixture
JP2767764B2 (ja) ビスフェノール類の製法
JPH07119196B2 (ja) 高純度２，４’−ジヒドロキシジフェニルスルホン類の製造方法
JPS6315252B2 (enrdf_load_stackoverflow)