JPS5639030A - Purification of p,p'-biphenols - Google Patents

Purification of p,p'-biphenols

Info

Publication number
JPS5639030A
JPS5639030A JP11558879A JP11558879A JPS5639030A JP S5639030 A JPS5639030 A JP S5639030A JP 11558879 A JP11558879 A JP 11558879A JP 11558879 A JP11558879 A JP 11558879A JP S5639030 A JPS5639030 A JP S5639030A
Authority
JP
Japan
Prior art keywords
biphenol
impurity
organic solvent
solution
amount
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
JP11558879A
Other languages
English (en)
Japanese (ja)
Other versions
JPS631928B2 (enrdf_load_stackoverflow
Inventor
Teruo Matsuda
Yasuyuki Kato
Tetsuo Murata
Hiroaki Sugimoto
Makoto Hanabatake
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 JP11558879A priority Critical patent/JPS5639030A/ja
Publication of JPS5639030A publication Critical patent/JPS5639030A/ja
Publication of JPS631928B2 publication Critical patent/JPS631928B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP11558879A 1979-09-07 1979-09-07 Purification of p,p'-biphenols Granted JPS5639030A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11558879A JPS5639030A (en) 1979-09-07 1979-09-07 Purification of p,p'-biphenols

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11558879A JPS5639030A (en) 1979-09-07 1979-09-07 Purification of p,p'-biphenols

Publications (2)

Publication Number Publication Date
JPS5639030A true JPS5639030A (en) 1981-04-14
JPS631928B2 JPS631928B2 (enrdf_load_stackoverflow) 1988-01-14

Family

ID=14666307

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11558879A Granted JPS5639030A (en) 1979-09-07 1979-09-07 Purification of p,p'-biphenols

Country Status (1)

Country Link
JP (1) JPS5639030A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022045270A1 (ja) * 2020-08-27 2022-03-03 三菱瓦斯化学株式会社 化合物、又はポリマーの精製方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3919330A (en) * 1973-11-02 1975-11-11 Shell Oil Co Process for the purification of 2,2-bis-(4-hydroxyphenyl)propane
JPS53101347A (en) * 1976-12-30 1978-09-04 Gen Electric Method for purification of crude diphenol

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3919330A (en) * 1973-11-02 1975-11-11 Shell Oil Co Process for the purification of 2,2-bis-(4-hydroxyphenyl)propane
JPS53101347A (en) * 1976-12-30 1978-09-04 Gen Electric Method for purification of crude diphenol

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022045270A1 (ja) * 2020-08-27 2022-03-03 三菱瓦斯化学株式会社 化合物、又はポリマーの精製方法

Also Published As

Publication number Publication date
JPS631928B2 (enrdf_load_stackoverflow) 1988-01-14

Similar Documents

Publication Publication Date Title
ES412587A1 (es) Procedimiento para la preparacion de nuevos compuestos bi- ciclicos nitrogenados.
JPS5639030A (en) Purification of p,p'-biphenols
JPS575782A (en) Liquid crystal composition
JPS5435186A (en) Liquid crystal composition
JPS5283315A (en) Purification of acetic acid
KR930013870A (ko) 레지스트 조성물 및 그의 제조방법
JPS57142936A (en) Purifying method of bisphenol a
JPS5668634A (en) Purification of p,p'-biphenols
JPS55144422A (en) Purification of cis-dichlorodiammineplatinum(2)
JPS575781A (en) Liquid crystal composition
JPS578222A (en) Production of low terminal-carboxyl content polyester
JPS5618605A (en) Epoxidation of polybutadiene
JPS5488227A (en) Preparation of 2,6-dihydrocy-toluene
JPS557832A (en) Preparation of fibrous zr-containing phosphoric acid compound
JPS5616478A (en) Purification of benztriazole
JPS5625191A (en) Preparation of high-purity water-soluble o,o-dialkyl dithiophosphate
JPS5718649A (en) 4-(trans-4'-alkylcyclohexylmethoxy)benzoic acid trans-4"- alkylcyclohexyl ester
JPS5599912A (en) Curable resin composition
JPS56145945A (en) Stabilized polyphenylene oxide resin composition
JPS55154326A (en) Manufacture of iron-pentacarbonyl
JPS5655338A (en) Simultaneous preparation of bis hydroxyphenyl acetic acid and hydroxymandelic acid
JPS5488247A (en) Borosiloxane compound and its peparation
JPS5527330A (en) Acrylonitrile-butadiene-styrene resin composition having improved weather resistance and low-temperature resistance
JPS57131225A (en) Purification of polycarbonate solution
JPS5661320A (en) Treatment of crude unsaturated ketone