D21H

PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C, D21DIMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21GPAPER NOT OTHERWISE PROVIDED FOR[5]

Note(s) This subclass covers also pulp compositions for the preparation of fibreboard or other fibrous articles by wet processes [5,8]In this subclass, the following terms are used with the meaning indicated: "pulp" means a dispersion comprising paper-making fibres and optional additives, which is to be processed, and covers the term "paper stock"; it also means dry paper-making fibres which are to be made into paper by either wet or dry processes;"paper" means paper, cardboard or wet-laid non-woven fabrics  If a pulp composition or a paper, or a constituent thereof, is characterised by more than one feature provided for in this subclass, for example, by both the fibrous material and a coating or by both a colorant and a water-repelling agent, classification is made in all places providing for these features