FR335376A - Procédé perfectionné pour le traitement du papier et autres substances analogues afin de les rendre plus solides et imperméables
- Google Patents
Procédé perfectionné pour le traitement du papier et autres substances analogues afin de les rendre plus solides et imperméables
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VELLUMOID PAPER Co
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VELLUMOID PAPER Co
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Application filed by VELLUMOID PAPER CofiledCriticalVELLUMOID PAPER Co
Application grantedgrantedCritical
Publication of FR335376ApublicationCriticalpatent/FR335376A/fr
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
D21H17/22—Proteins
FR335376D1903-09-181903-09-18Procédé perfectionné pour le traitement du papier et autres substances analogues afin de les rendre plus solides et imperméables
ExpiredFR335376A
(fr)