124855 ⎘
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; Aldehyde resins; Ketone resins; Polyacetals; Phenol-aldehyde or phenol-ketone resins modified by compounds containing phosphorus