124879 ⎘
Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds; Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds; Polyamides; Polyimides Derivatives obtained by substitution of a hydrogen atom of the carboxamide radical