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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Billeruds AB
Svenska Cellulosa AB
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Billeruds AB
Svenska Cellulosa AB
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Application filed by Billeruds AB, Svenska Cellulosa ABfiledCriticalBilleruds AB
Priority to FR909101ApriorityCriticalpatent/FR1333413A/fr
Application grantedgrantedCritical
Publication of FR1333413ApublicationCriticalpatent/FR1333413A/fr
D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
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Life Sciences & Earth Sciences
(AREA)
Engineering & Computer Science
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Wood Science & Technology
(AREA)
FR909101A1962-09-111962-09-11Procédé de traitement des pâtes de fibres, notamment des pâtes à papier, et installation pour sa mise en oeuvre
ExpiredFR1333413A
(fr)