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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and CofiledCriticalEI Du Pont de Nemours and Co
Publication of ES288095A1publicationCriticalpatent/ES288095A1/es
D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
D21H17/20—Macromolecular organic compounds
D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
D21H17/24—Polysaccharides
D21H17/25—Cellulose
D21H17/26—Ethers thereof
Landscapes
Paper
(AREA)
Polysaccharides And Polysaccharide Derivatives
(AREA)
ES0288095A1962-02-071963-05-16Proceso de preparacion de un producto laminar
ExpiredES288095A1
(es)
Verfahren zur Erhöhung der Retention von Fasern, Füllstoffen und Pigmenten bei der Papierherstellung, zur Beschleunigung der Entwässerung von Papierrohstoffsuspensionen und zur Aufarbeitung von Papiermaschinenabwässern