FR2295978B1 - - Google Patents

Info

Publication number
FR2295978B1
FR2295978B1 FR7442536A FR7442536A FR2295978B1 FR 2295978 B1 FR2295978 B1 FR 2295978B1 FR 7442536 A FR7442536 A FR 7442536A FR 7442536 A FR7442536 A FR 7442536A FR 2295978 B1 FR2295978 B1 FR 2295978B1
Authority
FR
France
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
FR7442536A
Other languages
French (fr)
Other versions
FR2295978A1 (en
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.)
INSTITUT ELEMENTOORGANICHESKIKH
INST ELEMENTOORGANICHESKIKH SO
Original Assignee
INSTITUT ELEMENTOORGANICHESKIKH
INST ELEMENTOORGANICHESKIKH SO
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 INSTITUT ELEMENTOORGANICHESKIKH, INST ELEMENTOORGANICHESKIKH SO filed Critical INSTITUT ELEMENTOORGANICHESKIKH
Priority to FR7442536A priority Critical patent/FR2295978A1/en
Publication of FR2295978A1 publication Critical patent/FR2295978A1/en
Application granted granted Critical
Publication of FR2295978B1 publication Critical patent/FR2295978B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1003—Preparatory processes
    • C08G73/1007—Preparatory processes from tetracarboxylic acids or derivatives and diamines
    • C08G73/1021—Preparatory processes from tetracarboxylic acids or derivatives and diamines characterised by the catalyst used

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
FR7442536A 1974-12-23 1974-12-23 Polyimides prodn by single-stage catalystic condensn - from diamines and tetra carboxylic acid dianhydrides Granted FR2295978A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7442536A FR2295978A1 (en) 1974-12-23 1974-12-23 Polyimides prodn by single-stage catalystic condensn - from diamines and tetra carboxylic acid dianhydrides

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7442536A FR2295978A1 (en) 1974-12-23 1974-12-23 Polyimides prodn by single-stage catalystic condensn - from diamines and tetra carboxylic acid dianhydrides

Publications (2)

Publication Number Publication Date
FR2295978A1 FR2295978A1 (en) 1976-07-23
FR2295978B1 true FR2295978B1 (en) 1977-05-20

Family

ID=9146523

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7442536A Granted FR2295978A1 (en) 1974-12-23 1974-12-23 Polyimides prodn by single-stage catalystic condensn - from diamines and tetra carboxylic acid dianhydrides

Country Status (1)

Country Link
FR (1) FR2295978A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0604319B1 (en) * 1992-12-25 1999-04-28 Hiroshi Itatani Polyimide solution compositions and process for preparing same
US5502143A (en) * 1992-12-25 1996-03-26 Pi Material Research Laboratory Process for preparing polyimide resins

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1532381A (en) * 1967-05-05 1968-07-12 Gen Electric Polyamide solutions and methods of preparing and using them

Also Published As

Publication number Publication date
FR2295978A1 (en) 1976-07-23

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Legal Events

Date Code Title Description
ST Notification of lapse