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PAPETERIE DE CHATEAUNEUF LA FO
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PAPETERIE DE CHATEAUNEUF LA FO
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Application filed by PAPETERIE DE CHATEAUNEUF LA FOfiledCriticalPAPETERIE DE CHATEAUNEUF LA FO
Application grantedgrantedCritical
Publication of FR1113289ApublicationCriticalpatent/FR1113289A/en
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
D21C3/22—Other features of pulping processes
D21C3/26—Multistage processes
FR1113289D1954-06-141954-06-14
Continuous fractional extraction process of plant constituents and equipment for implementing this process
ExpiredFR1113289A
(en)