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Publication of FR985133ApublicationCriticalpatent/FR985133A/fr
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
D21H17/24—Polysaccharides
D21H17/30—Alginic acid or alginates
FR985133D1949-04-221949-04-22Procédé d'imperméabilisation de toutes matières poreuses
ExpiredFR985133A
(fr)