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Application filed by Domtar LtdfiledCriticalDomtar Ltd
Publication of FI750984A7publicationCriticalpatent/FI750984A7/fi
Application grantedgrantedCritical
Publication of FI60040BpublicationCriticalpatent/FI60040B/fi
Publication of FI60040CpublicationCriticalpatent/FI60040C/fi
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
D21C1/10—Physical methods for facilitating impregnation
FI750984A1974-04-031975-04-02Foerfarande foer impregnering av flis
FI60040C
(fi)