(under subclass 401) Composition in which the organic material is polymeric, derived by the addition across ethylenic unsaturation or the condensation of reactive components, or a polymer which could be made by such addition or condensation reaction.
(1) Note. These compositions include essentially material which, per se, is classifiable in the Class 520 series of classes.
SEE OR SEARCH CLASS
520, Synthetic Resins or Natural Rubbers, for a material, per se, of that class which is cellular form could inherently be sorbent.
