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.)
AN NOSTRA CELLULOSA SOC
Original Assignee
AN NOSTRA CELLULOSA SOC
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 AN NOSTRA CELLULOSA SOCfiledCriticalAN NOSTRA CELLULOSA SOC
Application grantedgrantedCritical
Publication of FR843862ApublicationCriticalpatent/FR843862A/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
FR843862D1937-09-281938-09-23Perfectionnements apportés aux procédés de fabrication de la cellulose
ExpiredFR843862A
(fr)