Patent ID: 7465684

Claim:
A high strength multistrata nonwoven wipe material comprising: (A) from about 0 to about 10 weight percent matrix fibers selected from the group consisting of cellulosic fibers, synthetic fibers, and a mixture of cellulosic fibers and synthetic fibers; (B) from about 90 to about 100 weight percent bicomponent fiber, wherein the bicomponent fiber has a partially drawn core; and (C) optionally, from 0 to about 15 weight percent binder, wherein weight percentages are based on the total weight of the material, and wherein the material has (D) a basis weight of from about 40 gsm to about 100 gsm, (E) a density of from about 0.03 to about 0.15 g/cc, (F) a CDW tensile strength of from about 1,200 g/cm or higher, and (G) a CDW elongation of from about 50% to about 60%, wherein the material comprises two or more strata, and wherein the composition of any one stratum is different from at least one adjacent stratum.