D06N 3/142

Artificial leather, oilcloth or {other} material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds {, e.g. gelatine proteins} with polyurethanes {mixture of polyurethanes with other resins in the same layer}