A cross-linked polyamide which is preparable by the reaction of a polyimide with a polyamine wherein the functionality of one of the aforesaid reagents is at least two and the functionality of the other reagent is more than two. The cross-linked polyamides are useful as the matrix in high-performance,...http://www.google.com.au/patents/US4808695?utm_source=gb-gplus-sharePatent US4808695 - Cross-linked polymer from aromatic dicarboxylic acid anhydride imide
