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Application filed by Cartiere Giacomo Bosso SafiledCriticalCartiere Giacomo Bosso Sa
Publication of CH254248ApublicationCriticalpatent/CH254248A/it
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
D21H17/22—Proteins
CH254248D1946-09-071946-09-07Procedimento per la fabbricazione di fogli e foglio ottenuto col procedimento.
CH254248A
(it)