JPS6315253B2 - - Google Patents

Info

Publication number
JPS6315253B2
JPS6315253B2 JP16826079A JP16826079A JPS6315253B2 JP S6315253 B2 JPS6315253 B2 JP S6315253B2 JP 16826079 A JP16826079 A JP 16826079A JP 16826079 A JP16826079 A JP 16826079A JP S6315253 B2 JPS6315253 B2 JP S6315253B2
Authority
JP
Japan
Prior art keywords
water
dod
parts
solvent
crude
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
Application number
JP16826079A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5692236A (en
Inventor
Susumu Jinbo
Shoichi Kono
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.)
Hodogaya Chemical Co Ltd
Original Assignee
Hodogaya 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 Hodogaya Chemical Co Ltd filed Critical Hodogaya Chemical Co Ltd
Priority to JP16826079A priority Critical patent/JPS5692236A/ja
Publication of JPS5692236A publication Critical patent/JPS5692236A/ja
Publication of JPS6315253B2 publication Critical patent/JPS6315253B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP16826079A 1979-12-26 1979-12-26 Purification of crude 4,4'-dihydroxybiphenyl Granted JPS5692236A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16826079A JPS5692236A (en) 1979-12-26 1979-12-26 Purification of crude 4,4'-dihydroxybiphenyl

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16826079A JPS5692236A (en) 1979-12-26 1979-12-26 Purification of crude 4,4'-dihydroxybiphenyl

Publications (2)

Publication Number Publication Date
JPS5692236A JPS5692236A (en) 1981-07-25
JPS6315253B2 true JPS6315253B2 (enrdf_load_html_response) 1988-04-04

Family

ID=15864704

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16826079A Granted JPS5692236A (en) 1979-12-26 1979-12-26 Purification of crude 4,4'-dihydroxybiphenyl

Country Status (1)

Country Link
JP (1) JPS5692236A (enrdf_load_html_response)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015051964A (ja) * 2013-08-06 2015-03-19 Ｊｆｅケミカル株式会社 フェノール類の製造方法

Also Published As

Publication number Publication date
JPS5692236A (en) 1981-07-25

Similar Documents

Publication Publication Date Title
US4239913A (en) Process for preparing 2-hydroxynaphthalenecarboxylic acids
US4340768A (en) Process for producing 4,4'-dihydroxybiphenyl
WO2003082785A1 (fr) Procede de production de bisphenol a
US4670608A (en) Preparation of 2,4-dichloro-3-alkyl-6-nitrophenols
US5169990A (en) Preparation of 9,9-bis-(4-hydroxyphenyl)-fluorene
JPS6315253B2 (enrdf_load_html_response)
JPH0482142B2 (enrdf_load_html_response)
JPS6315252B2 (enrdf_load_html_response)
JP2861221B2 (ja) ３，３’，５，５’―テトラメチル―４，４’―ビフェノールの製造方法
JPS5815939A (ja) サリチル酸ナトリウムの製造方法
JP2000327614A (ja) ビスフェノールａの製造方法
US4107443A (en) Process for purifying impure diphenols
US1910679A (en) Production of hydroxylic compounds
US1908817A (en) Process for isolating and purifying hydroquinone
TW539665B (en) Liquid vacuum pump seal to reduce contamination in bisphenol-A
JP2874281B2 (ja) ビフェニル―４，４’―ジオールの分離精製方法
JP2697056B2 (ja) ｐ―ヒドロキシベンズアルデヒドの製造法
US4224247A (en) Recovery of para-aminophenol
CN112125845B (zh) 9-苯基吖啶的提纯方法
JPS6317066B2 (enrdf_load_html_response)
JP2697055B2 (ja) ｐ―ヒドロキシベンズアルデヒドの製造方法
US2407182A (en) Process for preparing 2, 6-nitro chlor benzyl alcohol
JPH07206763A (ja) 精製３，３’，４，４’−ビフェニルテトラカルボン酸又はその酸二無水物の製造方法
JP3919032B2 (ja) ４，４’−ジオキシジフェニルシクロヘキサンの製造法
US1431470A (en) Manufacture and production of n-monoalkyl derivatives of aromatic compounds