Coated wrapping tissue and process of making same

Claim 1

IN A PROCESS FOR PRODUCING MOISTUREPROOF WRAPPING TISSUE HAVING A BASE OF HYDROPHILIC, HYDROXYLATED ORGANIC POLYMER, THE STEPS COMPRISING APPLING TO A SMOOTH, DENSE, NON-FIBROUS BASE SHEET OF HYDROPHILIC, HYDROXYLATED ORGANIC POLYMER A SOLUTION OF A COMPOUND OF THE WERNER TYPE IN WHICH A TRIVALENT NUCLEAR ATOM OF A METAL OF THE GROUP CONSISTING OF CHROMIUM, MANGANESE, IRON, COBALT AND NICKEL IS COORDINATED WITH A CARBOXYLIC ACIDO GROUP FROM THE CLASS CONSISTING OF SATURATED ALIPHATIC CARBOXYLIC ACIDO GROUPS HAVING LESS THAN SIX CARBON ATOMS IN THE CHAIN AND BEARING AT LEAST ONE DIPOLE GROUP AND AROMATIC CARBOXYLIC ACIDO GROUPS BEARING AT LEAST ONE DIPOLE GROUP, THE AMOUNT OF SOLUTION USED BEING SUFFICIENT TO APPLY TO SAID BASE SHEET FROM 0.2% TO 1.0% BY WEIGHT OF SAID WERNER TYPE COMPOUND, CALCULATED AS THE OXIDE OF THE TRIVALENT METAL, BASED ON THE DRY WEIGHT OF SAID BUASE SHEET, DRYING THE BASE SHEET TO REMOVE SOLVENT, AND THEREAFTER APPLYING A COATING OF VINYLISENE CHLORIDE COPOLYMER ON SAID BASE SHEET.