Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filedfiledCritical
Priority to FR824965ApriorityCriticalpatent/FR1262702A/fr
Application grantedgrantedCritical
Publication of FR1262702ApublicationCriticalpatent/FR1262702A/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
FR824965A1960-04-211960-04-21Procédé perfectionné pour la fabrication de pâtes de bois à partir de bois feuillus des zones tempérées et tropicales
ExpiredFR1262702A
(fr)