BE680335A - - Google Patents

Info

Publication number
BE680335A
BE680335A BE680335DA BE680335A BE 680335 A BE680335 A BE 680335A BE 680335D A BE680335D A BE 680335DA BE 680335 A BE680335 A BE 680335A
Authority
BE
Belgium
Prior art keywords
pyromellitic acid
acid anhydride
adducts
molecular weight
complexes
Prior art date
Application number
Other languages
English (en)
French (fr)
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 BE680335A publication Critical patent/BE680335A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G75/00Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
    • C08G75/26Polythioesters
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00Macromolecular 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
    • C08G73/06Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1003Preparatory processes
    • C08G73/1007Preparatory processes from tetracarboxylic acids or derivatives and diamines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
BE680335D 1965-04-30 1966-04-29 BE680335A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG0043475 1965-04-30

Publications (1)

Publication Number Publication Date
BE680335A true BE680335A (xx) 1966-10-03

Family

ID=7127194

Family Applications (1)

Application Number Title Priority Date Filing Date
BE680335D BE680335A (xx) 1965-04-30 1966-04-29

Country Status (2)

Country Link
BE (1) BE680335A (xx)
NL (1) NL6605792A (xx)

Also Published As

Publication number Publication date
NL6605792A (xx) 1966-10-31

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