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 (cs
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 DE2304551A priority patent/DE2304551C2/de
Priority to DE2366569A priority patent/DE2366569C2/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

Links

Landscapes

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

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP47049143A JPS5123498B2 (cs) 1972-05-19 1972-05-19
US05/324,050 US3940426A (en) 1972-04-03 1973-01-16 Process for producing biphenyltetracarboxylic dianhydrides
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
DE2366569A DE2366569C2 (de) 1972-04-03 1973-01-31 2,3,3',4'-Biphenyltetracarbonsäuredianhydrid
FR7305836A FR2178862B1 (cs) 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 (cs) 1972-05-19 1972-05-19

Publications (2)

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

Family

ID=12822849

Family Applications (1)

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

Country Status (1)

Country Link
JP (1) JPS5123498B2 (cs)

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 (cs) 1974-02-01

Similar Documents

Publication Publication Date Title
CS162224B1 (cs)
CS165303B2 (cs)
CS164796B2 (cs)
CS159536B1 (cs)
JPS4918168A (cs)
CS158483B1 (cs)
CS160377B1 (cs)
JPS4898841U (cs)
CS162148B1 (cs)
CS165072B1 (cs)
CS165044B1 (cs)
CS164484B1 (cs)
CS164413B1 (cs)
CS163455B1 (cs)
CS162984B1 (cs)
CS162955B1 (cs)
CS162844B1 (cs)
CS162827B1 (cs)
CS161975B2 (cs)
CS159460B1 (cs)
CS159976B1 (cs)
CS150338B1 (cs)
CS156334B1 (cs)
CS156355B1 (cs)
CS156376B1 (cs)