Back to results
US 6,074,527 AGranted
Production of soft paper products from coarse cellulosic fibers
AssigneeKimberly-Clark Worldwide, Inc.
InventorsJay Chiehlung Hsu, Nauman Noorali Lakhani
Life of this patent
Estimating the term…
Abstract
The present invention encompasses a sanitary paper product including a wet-laid, surfactant treated nonwoven fibrous structure including coarse pulp fibers at least a portion contain oil and having a lower cup crush load and energy than an identical fibrous structure lacking the surfactant treatment.
Claims21
A sanitary paper product comprising:
- a wet-laid, surfactant treated nonwoven fibrous structure comprising coarse pulp fibers having a Kaiaani fiber coarseness greater than 12 milligrams/100 meters and containing between 0.010% and 2.0% of oil and having a cup crush load softness index greater than about 7.0 and a cup crush energy softness index greater than about 0.39.
A sanitary paper product comprising:
- a wet-laid, surfactant treated nonwoven fibrous structure comprising coarse pulp fibers having a Kajaani fiber coarseness greater than 12 milligrams/100 meters and containing between 0.010% and 2.0% of oil and having an NTS of about 50 g.sub.f m.sup.2 /g and an XY wicking rate of at least about 0.92 g/g/s.
Dependencies are inferred from the claim text.