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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FMC Corp
Original Assignee
FMC Corp
Food Machinery and Chemical Corp
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Filing date
Publication date
Application filed by FMC Corp, Food Machinery and Chemical CorpfiledCriticalFMC Corp
Priority to FR798109ApriorityCriticalpatent/FR1237785A/fr
Application grantedgrantedCritical
Publication of FR1237785ApublicationCriticalpatent/FR1237785A/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
D21C9/10—Bleaching ; Apparatus therefor
D21C9/1026—Other features in bleaching processes
Landscapes
Life Sciences & Earth Sciences
(AREA)
Engineering & Computer Science
(AREA)
Wood Science & Technology
(AREA)
FR798109A1959-06-201959-06-20Procédé de blanchiment de fibres cellulosiques
ExpiredFR1237785A
(fr)