The Procter Gamble Company

Geoffrey Eugene Seger

John Allen Manifold

Osman Polat

Robert Scadding Moir

Daniel Graham Ward

Richard Bown

Andrew Paul Frank Milton

Stephen Robert Kelly

Kimberly Ann Biedermann

Kamilah Apewaiye Gbadamosi

Paul Dennis Trokhan

Paul Thomas Weisman

Larry Neil Mackey

David Frederick Swaile

Jeffrey Michael Morgan

Michael Joseph Franz

Daniel Edward Buenger

William Keith Kennedy

A fibrous structure may have a lower side and an upper side, and may comprise three-dimensional, out-of-plane features formed by knuckles on a papermaking belt, the features may exhibit at least two Z-direction spatially separated surfaces defined in order spatially with respect to the lower side, wherein each successive surface progressing in a Z-direction away from the lower side may have a projected area less than the projected area of the surface adjacent and closer to the lower side, and each projected area may be bounded completely by the area of the projected area of the surface adjacent and closer to the lower side.

Mask and papermaking belt made therefrom

A textured mask comprising a film. The film can have a first substantially continuously flat surface lying in a first plane and a second surface opposite the first surface lying in a second plane substantially parallel to the first plane. The second surface is interrupted by a plurality of cavities, each of the cavities having a first depth defined by a third surface lying in a third plane substantially parallel to the first and second planes. The depth of the cavities can be at a distance of from about 0.1 mm to about 5 mm from the second plane. The textured mask is at least partially coated with an opaque masking agent. The textured mask can make a correspondingly structured three-dimensional papermaking belt, which can make correspondingly structured three-dimensional fibrous structure.

Mark and papermaking belt made therefrom

A process for adjusting a property of a web substrate is disclosed. The steps include: (a) providing a nip load profile; (b) providing a calender load profile; (c) providing a desired first physical characteristic of the web substrate; (d) providing a desired second physical characteristic of the convolutely wound product; (e) winding the web substrate to form the convolutely wound product; (f) measuring an actual first physical characteristic of the web substrate; (g) comparing the actual first physical characteristic and the desired first physical characteristic; (h) adjusting the calender load profile according to the comparison of the actual first physical characteristic and the desired first physical characteristic; (i) measuring an actual second physical characteristic of the convolutely wound product; (j) comparing the actual second physical characteristic and the desired second physical characteristic; and, (k) adjusting the nip load profile according to said comparison of the actual second physical characteristic and the desired second physical characteristic.

Process for winding a web substrate

This application relates to antiviral tissue paper comprising pyrrolidone carboxylic acid as an antiviral agent. When added to tissue paper pyrrolidone carboxylic acid has the ability to kill certain strains of viruses which come into contact with the tissue. In addition to its antiviral efficacy, pyrrolidone carboxylic acid tends to be mild to the skin thus mitigating the potential for skin irritation. Furthermore, upon transfer to the skin, pyrrolidone carboxylic acid assists in retention of the natural moisture of the skin while continuing to kill deleterious viruses.

Tissue products containing antiviral agents which are mild to the skin

This application relates to antiviral tissue paper comprising a water soluble metal ion as an antiviral agent. The water soluble metal ion has at least one hydroxide ion formation constant wherein the hydroxide ion formation constant is at least 10 . When added to tissue the water soluble metal ion has the ability to kill certain strains of viruses which come into contact with the tissue.

Antiviral compositions for tissue paper

Disclosed are modified cellulosic fibers having a dry zero span tensile index that is substantially less than the dry zero span tensile index of the corresponding unmodified cellulosic fibers. Fibers having reduced dry zero span tensile may provide fibrous structures having improved hand feel compared with fibers prepared from unmodified fibers. In particular, such modified fibers provide fibrous structures with improved flexibility, which is perceived as improved softness. The reduced dry zero span tensile is preferably achieved by reacting the fibers with one or more cellulase enzymes and one or more debonders. The invention also relates to a fibrous structure having a density of not more than about 0.4 g/cc, wherein the fibrous structure comprises modified cellulosic fibers having a dry zero span tensile index that is at least about 15% less than the dry zero span tensile index of the corresponding unmodified cellulosic fibers; and wherein the fibrous structure has a bending modulus per unit dry tensile that is at least about 30% less than the bending modulus per unit dry tensile of a fibrous structure prepared from corresponding unmodified fibers.

Modified cellulosic fibers and fibrous webs containing these fibers

The fluid absorbent members according to the present invention preferably comprise three basic components: chemically stiffened, twisted, and curled bulking fibers, high surface area fibers, and a binder additive such as thermoplastic fibrous material or chemical binders. Fluid absorbent members according to the present invention use a high surface fiber and refining to provide capillary pressure (or suction) to the fluid absorbent member. These high surface area fibers are generally small and highly conformable. They provide the substrate with capillary pressure well in excess of the capillary pressure found in the bulk-providing chemically stiffened, twisted, and curled fibers (unrefined) alone. A presently preferred fiber for this high surface application is the eucalyptus family of wood pulp fibers. Eucalyptus provides desirable capillary pressure characteristics in combination with the chemically stiffened, twisted, and curled fibers and will not easily pass through a forming screen. In accordance with the present invention, these component materials are combined into a stratified, multi-functional fluid absorbent member wherein the strata are preferably co-formed. The present invention therefore provides structures wherein the properties of the strata may be tailored to suit particular applications by utilizing the different compositions of the strata to achieve specific functionality.

Stratified, multi-functional fluid absorbent members

The fluid absorbent members according to the present invention preferably comprise three basic components: chemically stiffened, twisted, and curled bulking fibers, high surface area fibers, and chemical binder additive. Fluid absorbent members according to the present invention use a high surface fiber and refining to provide capillary pressure (or suction) to the fluid absorbent member. These high surface area fibers are generally small and highly conformable. They provide the substrate with capillary pressure well in excess of the capillary pressure found in the bulk-providing chemically stiffened, twisted, and curled fibers (unrefined) alone. A presently preferred fiber for this high surface application is the eucalyptus family of wood pulp fibers. Eucalyptus provides desirable capillary pressure characteristics in combination with the chemically stiffened, twisted, and curled fibers and will not easily pass through a forming screen.

Growing community of inventors

Cincinnati, OH, United States of America

Geoffrey Eugene Seger