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.)
Sandoz AG
Original Assignee
Sandoz 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
Priority claimed from CH846364Aexternal-prioritypatent/CH438001A/de
Application filed by Sandoz AGfiledCriticalSandoz AG
Priority to FR22177ApriorityCriticalpatent/FR1438801A/fr
Application grantedgrantedCritical
Publication of FR1438801ApublicationCriticalpatent/FR1438801A/fr
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
D21C3/222—Use of compounds accelerating the pulping processes
FR22177A1965-05-051965-06-24Procédé de fabrication de la cellulose
ExpiredFR1438801A
(fr)