Simulated leather products

Claim 1

A SIMULATED LEATHER PRODUCT CAPABLE OF BEING WASHED OR DRY CLEANED WITHOUT MARRING ITS APPEARANCE AND HAVING THE BREAK AND FEEL OF NATURAL LELATHER, CONSISTING ESSENTIALLY OF (A) A BASE LAYER COMPSOED OF A TRIMMED, NAPPED FABRIC IN WHICH THE FIBERS FORMING THE NAP HAVE BEEN TRIMMED TO A SUBSTANTIALLY UNIFORM LENGTH, (B) A MICROPOROUS, INTERMEDIATE LAYER COMPOSED OF FROM ABOUT 3/4 TO ABOUT 2 OUNCES PER YARD BASED ON THE AREA OF THE BASE LAYER, OF A SUBSTANTIALLY CONTINUOUS FILM OF A NORMALLY SOLID, MICROPOROUS POLYURETHANE SYSTEM HAVING A POROMERIC STRUCTURE BONDED TO THE NAPPED SURFACE OF THE BASE LAYER OVER SUBSTANTIALLY ITS ENTIRE FACE IN SUCH MANNER THAT AT LEAST PART OF THE NAPPED FIBERS EXTEND INTO AND THROUGH THE MICROPOROUS INTERMEDIATE LAYER, AND (C) AN ABRASION-RESISTANT, OUTER LAYER COMPOSED OF FROM ABOUT 1/4 TO ABOUT 3/4 OUNCE PER YARD, BASED ON THE AREA OF THE BASE LAYER, OF A SUBSTANTIALLY IMPERVIOUS FILM OF A NORMALLY SOLID POLYURETHANE SYSTEM BONDED TO THE INTERMEDIATE LAYER OVER SUBSTANTIALLY ITS ENTIRE FACE IN SUCH MANNER THAT AT LEAST PART OF THE NAPPED FIBERS WHICH EXTEND THROUGH THE INTERMEDIATE LAYER ALSO EXTEND INTO AND THROUGH THE OUTER LAYER, THE SIMULATED LEATHER PRODUCT BEING CHARACTERIZED BY A WATER VAPOR TRANSMISSION VALUE (AS MEASURED BY ASTM E96-53T-B) NOT GREATER THAN ABOUT 30 GRAMS PER HOUR PER SQUARE METER.