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Application filed by Ugine KuhlmannfiledCriticalUgine Kuhlmann
Priority to OA57559ApriorityCriticalpatent/OA06962A/en
Publication of OA06962ApublicationCriticalpatent/OA06962A/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
OA57559A1981-12-051981-12-05
Process for the manufacture of chemical paper pulp and pulp thus obtained.
OA06962A
(en)