Dyeable rubber coated fabrics

Claim 1

IN A METHOD OF PREPARING A SUBSTANTIALLY UNIFORMLY DYE FABRIC AND COATING BY APPLYING A COMPOUNDED LATEX OF A RUBBER SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBER, NEOPRENE RUBBER AND STYRENE-BUTADIENE COPOLYMER RUBBER AS A COATING TO THE BACK SURFACE OF A FABRIC, DRYING AND VULCANIZING SAID LATEX THEREON, AND SUBJECTING SAID FABRIC AND COATING TO A SUBSEQUENT DYEING TREATMENT, THE IMPROVEMENT COMPRISING INCORPORATING IN SAID LATEX AT LEAST ONE MEMBER SELECTED FROM THE CLASS CONSISTING OF POLYVINYL PYRROLIDONE, POLYVINYL ACETATE, ACRYLIC POLYMERS AND COMBINATIONS THEEOF, WHEREIN THE POLYVINYL PYRROLIDONE IS UTILIZED IN AN AMOUNT OF FROM ABOUT 1 TO ABOUT 6 PARTS BY WEIGHT PER 100 PARTS OF DRY WEIGHT COMPOUNDED LATEX SOLIDS, AND THE POLYVINYL ACETATE AND ACRYLIC POLYMERS ARE UTILIZED, RESPECTIVELY, IN AN AMOUNT OF FROM ABOUT 10 TO ABOUT 50 PARTS BY WEIGHT BASED ON A CORRESPONDING 90 TO 50 PARTS BY WEIGHT OF DRY WEIGHT COMPOUNDED LATEX SOLIDS, WHEREBY SAID LATEX IS RENDERED CAPABLE OF ACCEPTING DYESTUFFS.