JPS5885835A - 粗製ナフトキノンの精製法 - Google Patents

粗製ナフトキノンの精製法

Info

Publication number
JPS5885835A
JPS5885835A JP18313081A JP18313081A JPS5885835A JP S5885835 A JPS5885835 A JP S5885835A JP 18313081 A JP18313081 A JP 18313081A JP 18313081 A JP18313081 A JP 18313081A JP S5885835 A JPS5885835 A JP S5885835A
Authority
JP
Japan
Prior art keywords
solution
purity
temperature
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.)
Granted
Application number
JP18313081A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6261579B2 (enExample
Inventor
Masaaki Tanabe
田部　正昭
Katsumi Matsuzaki
松崎　克己
Masao Narita
成田　政雄
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.)
Kawasaki Kasei Chemicals Ltd
Original Assignee
Kawasaki Kasei Chemicals 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 Kawasaki Kasei Chemicals Ltd filed Critical Kawasaki Kasei Chemicals Ltd
Priority to JP18313081A priority Critical patent/JPS5885835A/ja
Publication of JPS5885835A publication Critical patent/JPS5885835A/ja
Publication of JPS6261579B2 publication Critical patent/JPS6261579B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP18313081A 1981-11-17 1981-11-17 粗製ナフトキノンの精製法 Granted JPS5885835A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18313081A JPS5885835A (ja) 1981-11-17 1981-11-17 粗製ナフトキノンの精製法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18313081A JPS5885835A (ja) 1981-11-17 1981-11-17 粗製ナフトキノンの精製法

Publications (2)

Publication Number Publication Date
JPS5885835A true JPS5885835A (ja) 1983-05-23
JPS6261579B2 JPS6261579B2 (enExample) 1987-12-22

Family

ID=16130316

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18313081A Granted JPS5885835A (ja) 1981-11-17 1981-11-17 粗製ナフトキノンの精製法

Country Status (1)

Country Link
JP (1) JPS5885835A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018104343A (ja) * 2016-12-27 2018-07-05 田岡化学工業株式会社 フルオレン骨格を有するジヒドロキシ化合物の精製方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018104343A (ja) * 2016-12-27 2018-07-05 田岡化学工業株式会社 フルオレン骨格を有するジヒドロキシ化合物の精製方法

Also Published As

Publication number Publication date
JPS6261579B2 (enExample) 1987-12-22

Similar Documents

Publication Publication Date Title
CA2466999C (en) Extraction process for removal of impurities from mother liquor in the synthesis of carboxylic acid
JP4272704B2 (ja) 精製テレフタル酸の製造法および装置
CA2307783C (en) Method and apparatus for preparing purified terephthalic acid
JP3390169B2 (ja) ２，６−ナフタレンジカルボン酸の製造方法
JPS6019286B2 (ja) フアイバ−グレ−ドのテレフタル酸の製法
US3484458A (en) Trimellitic acid production and recovery of intramolecular anhydride
CA2062142C (en) Process for the recovery of adipic acid
US3161658A (en) Trimellitic acid recovery and conversion to anhydride
US2790837A (en) Continuous production of trimethylolethane
GB2114564A (en) A process for crystallizing trimellitic acid
US3105851A (en) Separation of recoverable materials from oxidation by-products
JP2001226323A (ja) 安息香酸ベンジルの回収方法
JP4032186B2 (ja) 高純度２，６−ナフタレンジカルボン酸ジメチルの製造法
JPS6261579B2 (enExample)
JPH07238051A (ja) 高純度ナフタレンジカルボン酸の製造方法
JPS6029692B2 (ja) 粗製ナフトキノンの精製法
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
JP3039600B2 (ja) ２，６−ナフタレンジカルボン酸ジメチルの製造法
JPH0948789A (ja) Ｏ，ｓ−ジメチル−ｎ−アセチルホスホルアミドチオエートの精製法
JPS609699B2 (ja) ナフトキノンとフタル酸の分離法
JP2756494B2 (ja) ２，６―ジメチルナフタレンの分離精製方法
JPH045252A (ja) ４，４’‐ジヒドロキシ‐３，３’，５，５’‐テトラメチルジフェニルメタンの製造方法
JPS6115864B2 (enExample)
JP2002069073A (ja) 高純度無水ピロメリット酸の製造方法
JPH01121238A (ja) 芳香族カルボン酸を含有する濾液の処理方法