DE1770840C3 - Verfahren zur Herstellung von Pyromellitsäurediimid - Google Patents

Verfahren zur Herstellung von Pyromellitsäurediimid

Info

Publication number
DE1770840C3
DE1770840C3 DE1770840A DE1770840A DE1770840C3 DE 1770840 C3 DE1770840 C3 DE 1770840C3 DE 1770840 A DE1770840 A DE 1770840A DE 1770840 A DE1770840 A DE 1770840A DE 1770840 C3 DE1770840 C3 DE 1770840C3
Authority
DE
Germany
Prior art keywords
formamide
pyromellitic
pyromellitic acid
acid
diimide
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.)
Expired
Application number
DE1770840A
Other languages
German (de)
English (en)
Other versions
DE1770840B2 (de
DE1770840A1 (de
Inventor
Guenther Dr. 4390 Gladbeck Ibing
Kurt Dipl.-Chem. Dr. 4250 Bottrop Neubold
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.)
VEBA-CHEMIE AG 4660 GELSENKIRCHEN- BUER
Original Assignee
VEBA-CHEMIE AG 4660 GELSENKIRCHEN- BUER
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 VEBA-CHEMIE AG 4660 GELSENKIRCHEN- BUER filed Critical VEBA-CHEMIE AG 4660 GELSENKIRCHEN- BUER
Priority to DE1770840A priority Critical patent/DE1770840C3/de
Priority to US837946A priority patent/US3697541A/en
Priority to JP5419269A priority patent/JPS5323320B1/ja
Publication of DE1770840A1 publication Critical patent/DE1770840A1/de
Publication of DE1770840B2 publication Critical patent/DE1770840B2/de
Application granted granted Critical
Publication of DE1770840C3 publication Critical patent/DE1770840C3/de
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D487/00Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
    • C07D487/02Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
    • C07D487/04Ortho-condensed systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
DE1770840A 1968-07-10 1968-07-10 Verfahren zur Herstellung von Pyromellitsäurediimid Expired DE1770840C3 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE1770840A DE1770840C3 (de) 1968-07-10 1968-07-10 Verfahren zur Herstellung von Pyromellitsäurediimid
US837946A US3697541A (en) 1968-07-10 1969-06-30 Process for the manufacture of pyromellitic acid diimide
JP5419269A JPS5323320B1 (enExample) 1968-07-10 1969-07-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1770840A DE1770840C3 (de) 1968-07-10 1968-07-10 Verfahren zur Herstellung von Pyromellitsäurediimid

Publications (3)

Publication Number Publication Date
DE1770840A1 DE1770840A1 (de) 1972-01-13
DE1770840B2 DE1770840B2 (de) 1978-03-23
DE1770840C3 true DE1770840C3 (de) 1978-11-23

Family

ID=5700662

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1770840A Expired DE1770840C3 (de) 1968-07-10 1968-07-10 Verfahren zur Herstellung von Pyromellitsäurediimid

Country Status (3)

Country Link
US (1) US3697541A (enExample)
JP (1) JPS5323320B1 (enExample)
DE (1) DE1770840C3 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ191821A (en) * 1978-10-23 1982-08-17 Merck & Co Inc Pyromellitic diimides and feed efficiency increasing compositions for ruminants
JPS63101319U (enExample) * 1986-08-20 1988-07-01
KR102599207B1 (ko) 2018-07-20 2023-12-15 삼성전자 주식회사 전자 디바이스의 표면 측정 장치 및 방법

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3078228A (en) * 1959-11-06 1963-02-19 Houghton & Co E F Imide compounds and lubricants containing the same

Also Published As

Publication number Publication date
DE1770840B2 (de) 1978-03-23
US3697541A (en) 1972-10-10
DE1770840A1 (de) 1972-01-13
JPS5323320B1 (enExample) 1978-07-13

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee