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Priority claimed from US349214Aexternal-prioritypatent/US3269643A/en
Application filedfiledCritical
Publication of BE704149ApublicationCriticalpatent/BE704149A/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
D21H19/00—Coated paper; Coating material
D21H19/80—Paper comprising more than one coating
D21H19/84—Paper comprising more than one coating on both sides of the substrate
B—PERFORMING OPERATIONS; TRANSPORTING
B32—LAYERED PRODUCTS
B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
B32B27/00—Layered products comprising a layer of synthetic resin
D—TEXTILES; PAPER
D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
Filet perforant ou analogue utilisable notamment sur les machines d'impression telles que machines offset, ainsi que son procede de mise en oeuvre sur lesdites machines