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.)
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ZELLIGNON GmbH
Original Assignee
ZELLIGNON GmbH
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Filing date
Publication date
Application filed by ZELLIGNON GmbHfiledCriticalZELLIGNON GmbH
Application grantedgrantedCritical
Publication of FR794604ApublicationCriticalpatent/FR794604A/fr
D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
D21C3/00—Pulping cellulose-containing materials
D21C3/20—Pulping cellulose-containing materials with organic solvents or in solvent environment
FR794604D1935-06-211935-09-05Procédé pour l'obtention de matières de valeur, en partant du bois
ExpiredFR794604A
(fr)