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Application filed by Dow Chemical CofiledCriticalDow Chemical Co
Application grantedgrantedCritical
Publication of FI48484BpublicationCriticalpatent/FI48484B/fi
Publication of FI48484CpublicationCriticalpatent/FI48484C/fi
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
D21C3/226—Use of compounds avoiding scale formation