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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ledoga SpA
Original Assignee
Ledoga SpA
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Filing date
Publication date
Application filed by Ledoga SpAfiledCriticalLedoga SpA
Priority to FR864375ApriorityCriticalpatent/FR1299584A/fr
Application grantedgrantedCritical
Publication of FR1299584ApublicationCriticalpatent/FR1299584A/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
FR864375A1961-06-091961-06-09Procédé continu pour l'extraction des pentoses de substances contenant des hémicelluloses
ExpiredFR1299584A
(fr)