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US 5,478,917 AGranted
Solutions of polyimide-forming substances and their use as coating compositions
AssigneeBASF Lacke + Farben, AG
InventorsRainer Blum, Gerhard Hoffmann
Life of this patent
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Abstract
Solutions of polyimide-forming substances contain A) aromatic or partly aromatic polyamines and B) amides or a mixture of esters and amides of tetracarboxylic acids. Solutions are useful as coating compositions.
Claims3
A solution of a polyimide-forming substance, containing
- A) aromatic or partly aromatic polyamines and
- B) amides or a mixture of esters and amides of tetracarboxylic acids.
Dependencies are inferred from the claim text.