Explanatory notes
… processes, either : a) By polymerisation of organic monomers to produce polymers such as polyamides, polyesters, polyolefins or polyurethanes, or by chemical modification of polymers produced by this process (for … must then undergo a drawing process which orientates the molecules in the direction of the filament, thus …Legal note
… processes, either : a) By polymerisation of organic monomers to produce polymers such as polyamides, polyesters, polyolefins or polyurethanes, or by chemical modification of polymers produced by this process (for … cuprammonium rayon (cupro) or viscose rayon, or by chemical modification of natural organic polymers (for example, …