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Publication of CH241910ApublicationCriticalpatent/CH241910A/en
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
D21H17/62—Rosin; Derivatives thereof
CH241910D1941-12-271942-12-24
Process for sizing paper and paper sized according to this process.
CH241910A
(en)