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Publication of DE287631CpublicationCriticalpatent/DE287631C/de
D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
D21H17/20—Macromolecular organic compounds
D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
Verfahren zur Herstellung von Zeugriemen oder dgl. aus lagenweise übereinander angeordneten Schichten von vegetabilischen Fasern durch Pergamentisieren.
Verfahren zur Herstellung eines blattfoermigen, aus Korkteilchen und Faserstoff bestehenden Werkstoffes und nach diesem Verfahren hergestellter mehrlagiger Belagstoff
