Patent ID: 8034440
Filing Date: 2011-10-11
Classification: A61F,A61L,B32B,Y10T

Abstract:
1. An extensible laminate comprising: an extensible nonwoven web; and an elastomeric film including a first layer co-extruded with a second layer, wherein the first layer is less elastic than the second layer, the first layer having a Water Vapor Transmission Rate less than about 500 grams/m the second layer including a styrene copolymer selected from styrene-butadiene-styrene, styrene-isoprene-styrene, styrene-ethylene/butylene-styrene, styrene-ethylene/propylene-styrene, styrene-(ethylene/propylene)-styrene-(ethylene/propylene), or combinations thereof, wherein the second layer comprises about 55 percent to about 80 percent by volume of the elastomeric film.