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Publication of FR982907ApublicationCriticalpatent/FR982907A/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
D21H17/63—Inorganic compounds
D21H17/65—Acid compounds
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Inorganic Chemistry
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FR982907D1943-07-271943-07-27Perfectionnement à la fabrication du papier sulfurisé
ExpiredFR982907A
(fr)