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Phrix Arbeitsgemeinschaft
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Phrix Arbeitsgemeinschaft
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Application filed by Phrix ArbeitsgemeinschaftfiledCriticalPhrix Arbeitsgemeinschaft
Application grantedgrantedCritical
Publication of FR893899ApublicationCriticalpatent/FR893899A/fr
D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
D21C1/00—Pretreatment of the finely-divided materials before digesting
D21C1/04—Pretreatment of the finely-divided materials before digesting with acid reacting compounds
FR893899D1940-10-211941-08-25Procédé pour la préparation de solutions de cellulose susceptibles d'être très facilement filtrées
ExpiredFR893899A
(fr)