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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bowaters Development and Research Ltd
Bowater Research and Development Co Ltd
Original Assignee
Bowaters Development and Research Ltd
Bowater Research and Development Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bowaters Development and Research Ltd, Bowater Research and Development Co LtdfiledCriticalBowaters Development and Research Ltd
Priority to FR845103ApriorityCriticalpatent/FR1281473A/fr
Application grantedgrantedCritical
Publication of FR1281473ApublicationCriticalpatent/FR1281473A/fr
D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
D21C1/00—Pretreatment of the finely-divided materials before digesting
D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting compounds
FR845103A1960-11-251960-11-25Procédé de fabrication de pâte à papier, et pâtes et papiers obtenus
ExpiredFR1281473A
(fr)