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.)
HOFASTO AG
Original Assignee
HOFASTO AG
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 HOFASTO AGfiledCriticalHOFASTO AG
Application grantedgrantedCritical
Publication of FR778163ApublicationCriticalpatent/FR778163A/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
D21C1/02—Pretreatment of the finely-divided materials before digesting with water or steam
FR778163D1933-09-131934-09-06Procédé pour la préparation de cellulose ou de demi-cellulose
ExpiredFR778163A
(fr)