BE726206A - - Google Patents

Info

Publication number
BE726206A
BE726206A BE726206DA BE726206A BE 726206 A BE726206 A BE 726206A BE 726206D A BE726206D A BE 726206DA BE 726206 A BE726206 A BE 726206A
Authority
BE
Belgium
Application number
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
Publication of BE726206A publication Critical patent/BE726206A/xx

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
    • C08G73/1028—Preparatory processes from tetracarboxylic acids or derivatives and diamines characterised by the process itself, e.g. steps, continuous

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyamides (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE726206D 1968-01-30 1968-12-27 BE726206A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB477868A GB1207577A (en) 1968-01-30 1968-01-30 Aqueous solutions of polyamide acids

Publications (1)

Publication Number Publication Date
BE726206A true BE726206A (fr) 1969-06-27

Family

ID=9783642

Family Applications (1)

Application Number Title Priority Date Filing Date
BE726206D BE726206A (fr) 1968-01-30 1968-12-27

Country Status (3)

Country Link
BE (1) BE726206A (fr)
FR (1) FR96378E (fr)
GB (1) GB1207577A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4480088A (en) * 1983-10-20 1984-10-30 United Technologies Corporation Water soluble polyimide resin system

Also Published As

Publication number Publication date
GB1207577A (en) 1970-10-07
FR96378E (fr) 1972-06-16

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