08.31.21
Sven Krister Erlandsson, Advance, NC; Pierre Grondin, Mooresville, NC; and Ralph A. Moody, III, Mooresville, NC.
Assigned to AVINTIV Specialty Materials Inc., Charlotte, NC.
Filed: 7/13/16
Issued: 7/20/21
A nonwoven comprising: (a) at least a first spunbond nonwoven layer comprising a fiber blend of round cross-sectional shaped spunbond fibers and non-round cross-sectional shaped spunbond fibers, wherein the round cross-sectional shaped fibers have an average diameter less than 10 microns; and (b) an active ingredient disposed substantially at a surface of the fiber blend; wherein the nonwoven is devoid of a meltblown layer; and wherein the first nonwoven has a strike through time that is less than 10 seconds for all three insults when tested per WSP 70.7(05); and wherein the first nonwoven layer has a theoretical surface area of greater than about 4200 cm2 per gram of fiber blend.
Assigned to AVINTIV Specialty Materials Inc., Charlotte, NC.
Filed: 7/13/16
Issued: 7/20/21
A nonwoven comprising: (a) at least a first spunbond nonwoven layer comprising a fiber blend of round cross-sectional shaped spunbond fibers and non-round cross-sectional shaped spunbond fibers, wherein the round cross-sectional shaped fibers have an average diameter less than 10 microns; and (b) an active ingredient disposed substantially at a surface of the fiber blend; wherein the nonwoven is devoid of a meltblown layer; and wherein the first nonwoven has a strike through time that is less than 10 seconds for all three insults when tested per WSP 70.7(05); and wherein the first nonwoven layer has a theoretical surface area of greater than about 4200 cm2 per gram of fiber blend.