JPS54157521A - Purification of 1,2,3,4-butanetetracarboxylic acid di-anhydride - Google Patents

Purification of 1,2,3,4-butanetetracarboxylic acid di-anhydride

Info

Publication number
JPS54157521A
JPS54157521A JP6380178A JP6380178A JPS54157521A JP S54157521 A JPS54157521 A JP S54157521A JP 6380178 A JP6380178 A JP 6380178A JP 6380178 A JP6380178 A JP 6380178A JP S54157521 A JPS54157521 A JP S54157521A
Authority
JP
Japan
Prior art keywords
butanetetracarboxylic acid
filtered
organic solvent
acetic anhydride
cake
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
JP6380178A
Other languages
English (en)
Japanese (ja)
Other versions
JPS625150B2 (OSRAM
Inventor
Shinji Takenaka
Kosuke Yamamoto
Takeshi Nishida
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.)
Mitsui Toatsu Chemicals Inc
Original Assignee
Mitsui Toatsu Chemicals Inc
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 Mitsui Toatsu Chemicals Inc filed Critical Mitsui Toatsu Chemicals Inc
Priority to JP6380178A priority Critical patent/JPS54157521A/ja
Publication of JPS54157521A publication Critical patent/JPS54157521A/ja
Publication of JPS625150B2 publication Critical patent/JPS625150B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Furan Compounds (AREA)
JP6380178A 1978-05-30 1978-05-30 Purification of 1,2,3,4-butanetetracarboxylic acid di-anhydride Granted JPS54157521A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6380178A JPS54157521A (en) 1978-05-30 1978-05-30 Purification of 1,2,3,4-butanetetracarboxylic acid di-anhydride

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6380178A JPS54157521A (en) 1978-05-30 1978-05-30 Purification of 1,2,3,4-butanetetracarboxylic acid di-anhydride

Publications (2)

Publication Number Publication Date
JPS54157521A true JPS54157521A (en) 1979-12-12
JPS625150B2 JPS625150B2 (OSRAM) 1987-02-03

Family

ID=13239829

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6380178A Granted JPS54157521A (en) 1978-05-30 1978-05-30 Purification of 1,2,3,4-butanetetracarboxylic acid di-anhydride

Country Status (1)

Country Link
JP (1) JPS54157521A (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102627550A (zh) * 2011-07-12 2012-08-08 西南化工研究设计院 丁烷四羧酸及丁烷四羧酸二酐的制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102627550A (zh) * 2011-07-12 2012-08-08 西南化工研究设计院 丁烷四羧酸及丁烷四羧酸二酐的制备方法

Also Published As

Publication number Publication date
JPS625150B2 (OSRAM) 1987-02-03

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