Nonwoven substrates
AssigneeThe Procter & Gamble Company
InventorsCalvin Hoi Wung CHENG, Olaf Erik Alexander ISELE, Brian UDENGAARD
Life of this patent
Estimating the term…
Abstract
The present disclosure is directed, in part, to a nonwoven substrate comprising one or more layers of fibers. The nonwoven substrate has a specific surface area in the range of about 0.5m2/g to about 5m2/g.
Claims40
A nonwoven substrate comprising a layer of fibers, wherein the nonwoven substrate has a specific surface area in the range of about 0.5 m2/g to about 5 m2/g.
A nonwoven substrate comprising a layer of fibers, wherein the nonwoven substrate has a low surface tension fluid strikethrough time to basis weight ratio in the range of about 0.37 s/gsm to about 5 s/gsm.
A nonwoven substrate comprising a layer of fibers, wherein the nonwoven substrate increases in specific surface area by at least 10% over a predetermined time period post-nonwoven substrate formation under ambient conditions, and wherein the predetermined time period is greater than about 24 hours.
A nonwoven substrate comprising a layer of fibers, wherein the nonwoven substrate has a specific surface area in the range of 0.5 m2/g to 5 m2/g.
Dependencies are inferred from the claim text.