JPS5123498B2 - - Google Patents

Info

Publication number
JPS5123498B2
JPS5123498B2 JP47049143A JP4914372A JPS5123498B2 JP S5123498 B2 JPS5123498 B2 JP S5123498B2 JP 47049143 A JP47049143 A JP 47049143A JP 4914372 A JP4914372 A JP 4914372A JP S5123498 B2 JPS5123498 B2 JP S5123498B2
Authority
JP
Japan
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
JP47049143A
Other languages
Japanese (ja)
Other versions
JPS4911862A (enrdf_load_stackoverflow
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 filed Critical
Priority to JP47049143A priority Critical patent/JPS5123498B2/ja
Priority to US05/324,050 priority patent/US3940426A/en
Priority to DE2366569A priority patent/DE2366569C2/de
Priority to DE2304551A priority patent/DE2304551C2/de
Priority to FR7305836A priority patent/FR2178862B1/fr
Publication of JPS4911862A publication Critical patent/JPS4911862A/ja
Priority to US05/597,789 priority patent/US4048197A/en
Publication of JPS5123498B2 publication Critical patent/JPS5123498B2/ja
Expired legal-status Critical Current

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  • Furan Compounds (AREA)
JP47049143A 1972-04-03 1972-05-19 Expired JPS5123498B2 (enrdf_load_stackoverflow)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP47049143A JPS5123498B2 (enrdf_load_stackoverflow) 1972-05-19 1972-05-19
US05/324,050 US3940426A (en) 1972-04-03 1973-01-16 Process for producing biphenyltetracarboxylic dianhydrides
DE2366569A DE2366569C2 (de) 1972-04-03 1973-01-31 2,3,3',4'-Biphenyltetracarbonsäuredianhydrid
DE2304551A DE2304551C2 (de) 1972-04-03 1973-01-31 Verfahren zur Isolierung von 3,3',4,4'- und 2,3,3',4'-Biphenyltetracarbonsäuredianhydrid aus einem Isomerengemisch
FR7305836A FR2178862B1 (enrdf_load_stackoverflow) 1972-04-03 1973-02-19
US05/597,789 US4048197A (en) 1972-04-03 1975-07-21 2,3,3',4'-Biphenyltetracarboxylic acid dianhydride

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47049143A JPS5123498B2 (enrdf_load_stackoverflow) 1972-05-19 1972-05-19

Publications (2)

Publication Number Publication Date
JPS4911862A JPS4911862A (enrdf_load_stackoverflow) 1974-02-01
JPS5123498B2 true JPS5123498B2 (enrdf_load_stackoverflow) 1976-07-17

Family

ID=12822849

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47049143A Expired JPS5123498B2 (enrdf_load_stackoverflow) 1972-04-03 1972-05-19

Country Status (1)

Country Link
JP (1) JPS5123498B2 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61249977A (ja) * 1985-04-30 1986-11-07 Mitsubishi Chem Ind Ltd 高純度ビフエニルテトラカルボン酸二無水物の製法
JP4977989B2 (ja) * 2005-04-28 2012-07-18 宇部興産株式会社 ２，３，３’，４’−ビフェニルテトラカルボン酸二無水物の製造方法

Also Published As

Publication number Publication date
JPS4911862A (enrdf_load_stackoverflow) 1974-02-01

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