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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
FR350035D1904-07-041904-07-04Procédé d'encollage des papiers et cartons au moyen de la caséine
ExpiredFR350035A
(fr)
Procédé pour la préparation des matières premières et des matières anciennes (cellulose, rognures de bois, papier imprimé ou couvert d'écriture, carton usagé, etc.), pour la fabrication du papier, des substances analogues au papier, des cartons, etc., et appareil pour l'exécution de ce procédé
Composition applicable sur papier, carte, carton et autres matières, pour les rendre propres à l'enregistrement et à la répétition phonographiques des sons