Abstract: An adhesive for applying to a creping surface in the process for dry creping tissue paper is disclosed. The adhesive comprises cationic starch and optionally a polyvinyl alcohol and a water-soluble, thermosetting, cationic polyamide-epihalohydrin resin. The adhesive provides high adhesion and doctorability for dry creping.

Abstract: The present invention relates to a process for separating polyhydroxyalkanoate from a biomass, the process comprising extracting the polyhydroxyalkanoate with at least one PHA solvent selected from the group consisting of acetone, acetonitrile, benzene, butyl acetate, butyl propionate, .beta.-butyrolactone, .gamma.-butyrolactone, diethyl carbonate, diethylformamide, dimethyl carbonate, dimethyl succinate, dimethyl sulfoxide, dimethylformamide, ethyl acetate, ethylene glycol diacetate, methyl acetate, methyl ethyl ketone, 1,4-dioxane, tetrahydrofuran, toluene, xylene, and mixtures thereof.

Abstract: The present invention relates to polymeric compositions that are biodegradable and that can be melt processed into various forms, including films, fibers, and nonwovens. The compositions include compatible or semicompatible blends of biodegradable polymers and have physical and thermomechanical integrity. Films formed from preferred polymeric compositions are suitable for use as backsheets in disposable absorbent articles. In a preferred embodiment, the polymeric composition includes a polyhydroxyalkanoate and at least one other biodegradable polymer selected from aliphatic polyester-based polyurethanes, a polylactide, polycaprolactone, or a mixture of two or more of these polymers. Where the second polymer is polycaprolactone, the composition preferably also includes a third polymer for enhancing the melt processability of the composition.

Abstract: The present invention relates to a process for recovering polyhydroxyalkanoate from a biological source material containing the polyhydroxyalkanoate, the process comprising: a) comminuting the biological source material; b) suspending the comminuted biological source material in a fluid; c) partitioning the polyhydroxyalkanoate from the other components of the biological source material by centrifugal fractionation to form a solid-solid separation; and d) recovering the polyhdroxyalkanoate.

Abstract: The present invention relates to a process for recovering polyhydroxyalkanoate from biological source material containing the polyhydroxyalkanoate, the process comprising: a) comminuting the biological source material; b) suspending the comminuted biological source material in a fluid; c) partitioning the polyhydroxyalkanoate from the other components of the biological source material by centrifugal fractionation to from a solid-solid separation; and d) recovering the polyhydroxyalkanoate.

Abstract: Absorbent devices, and more particularly absorbent devices that are worn interlabially by female wearers for catamenial purposes, incontinence protection, or both, that have a emollient composition on their body-contacting surface are disclosed. The interlabial device has a body-contacting surface that is pre-moistened or pre-treated with an emollient to prevent drying of the wearer's labial tissue and to reduce friction of the structure against the wearer's labial tissue. The absorbent device is preferably capable of maintaining contact with the inside surfaces of the wearer's labia majora when worn. The emollient composition comprises a plastic or fluid emollient such as mineral oil, petrolatum and/or polysiloxane, an immobilizing agent such as a fatty alcohol or wax to immobilize the emollient on the body-contacting surface of the device, and optionally a hydrophilic surfactant to improve wettability of the coated surface.

Abstract: A process for dry creping tissue paper comprising the application of creping adhesives in at least two steps. The adhesive applied in at least one of the steps is a polyvinyl alcohol while the adhesive applied in at least one other step comprises a water-soluble, thermosetting, cationic polyamide resin. The process provides high adhesion and doctorability for dry creping.

Abstract: A multi-ply paper product wherein the plies are adhesively joined together. One or both of the plies may have embossments protruding towards and contacting the other ply. The plies are adhesively joined, preferably at such embossments. The adhesive is selected from a composition that advantageously provides a minimum wet ply bond strength and a dry ply bond strength which falls within a particularly desired range.

Abstract: Strong and soft multi-ply tissue paper products useful as absorbent sanitary products such as bath tissue, facial tissue, and absorbent towels are disclosed. At least one internal surface of the tissue paper product has a surface deposited strengthening agent.

Abstract: The present invention relates to a process for recovering polyhydroxyalkanoate from a biological source material comprising the polyhydroxyalkanoate, the process comprising: a) comminuting the biological source material; b) air classifying the biological source material such that the polyhydroxyalkanoate particles are separated from other components of the biological source material; and c) recovering the polyhydroxyalkanoate.

Abstract: A soft absorbent, creped tissue paper having an ATP factor of less than about 0.036, a slip/stick coefficient of less than about 0.024, and a lint level of less than about 6. The tissue paper preferably has a density of less than about 0.15 gram/cm.sup.3. Preferably, the creped tissue paper is a single- or multi-layer, single-ply tissue. More preferably, the creped tissue paper is made by a through air drying technique. Tissue paper having unique combinations of these above attributes is highly desirable by the consumers.

Abstract: A chemically enhanced paper structure having a discrete pattern of a chemical composition is disclosed. The paper structure comprises a cellulose substrate, such as tissue paper. The substrate has a topography comprising at least two different elevations. The chemical composition may include a chemical softener composition or a surface-active composition and is selectively disposed in register with one of the elevations of the cellulose substrate, preferably the higher elevation regions. The paper structure is suitable for use as bath tissue or facial tissue.

Abstract: A lotion composition for killing such viruses as rhinovirus and influenza in addition to imparting a soft, lubricious, lotion-like feel when applied to tissue paper in amounts as low as from about 2 to about 20% by weight, and tissue paper treated with such lotion compositions are disclosed. The anti-viral action of the lotion is due to the addition of an organic acid such as citric acid or a mixture of adipic acid, glutaric acid, and succinic acids. The solubilization of the organic acids within the lotion matrix and with the infected mucus is aided by the addition of such hydrophilic solvents as propylene glycol and polyethylene glycols. The lubricious lotions also contain a plastic or fluid emollient such as petrolatum, an immobilizing agent such as a fatty alcohol or fatty acid to immobilize the emollient on the surface of the tissue paper web and optionally a non-ionic surfactant to improve wettability when applied to toilet tissue.

Abstract: Soft, strong, and low dusting tissue paper webs useful in the manufacture of soft, absorbent sanitary products such as bath tissue, facial tissue, and absorbent towels are disclosed. The tissue papers comprise fibers such as wood pulp and a non-cellulosic, water insoluble particulate filler such as kaolin clay and possess biased surface properties.

Abstract: The present invention relates to a process for separating polyhydroxyalkanoate (PHA) from a biomass comprising the PHA, the process comprising: a) treating the biomass with a PHA solvent and a marginal nonsolvent for PHA; b) removing any insoluble biomass, thereby leaving behind a solution of PHA and marginal nonsolvent for PHA; and c) removing the PHA solvent from the solution, thereby resulting in a suspension of precipitated PHA in the marginal nonsolvent for PHA. Optionally, the process further comprises removing the marginal nonsolvent for PHA, thereby leaving behind the PHA. The present invention further relates to the suspension and the PHA produced by the process.

Abstract: Strong, soft, and low dusting tissue paper webs useful in the manufacture of soft, absorbent sanitary products such as bath tissue, facial tissue, and absorbent towels are disclosed. At least one surface of the tissue papers has uniform discrete surface deposits of a substantively affixed chemical softening agent.

Abstract: The present invention comprises processes for preparing biodegradable fibrils from one or more biodegradable homopolymeric or copolymeric resins, said process comprising: a) forming a liquid resin mixture by melting or solvating the resin or resins; and b) introducing the liquid resin mixture to a flow of a gaseous substance. The present invention further comprises biodegradable fibrils made according to the processes of the present invention. The invention further comprises nonwoven fabrics comprising biodegradable fibrils. The invention further comprises disposable absorbent articles comprising a water-permeable topsheet, an absorbent core, and a water-impermeable backsheet, wherein the topsheet comprises a nonwoven substrate comprising biodegradable fibrils. The invention further comprises disposable articles comprising biodegradable fibrils.

Abstract: The subject invention involves anti-inflammatory compounds having the following structure: ##STR1## wherein: a) --X is cyclic alkyl, having from 4 to 15 carbon atoms; branched alkyl, having from 6 to 15 carbon atoms; or aryl having from 6 to 15 carbon atoms;(b) n is an integer from 0 to 2;(c) --V-- is --OC(O)--, --N(Q)C(O)--, --N(Q)C(S)--, --C(O)--, --SO2-- or --P(O)(OH)--;(d) --Q is hydrogen; or straight or branched chain alkyl, saturated or unsaturated with 1 or 2 double bonds, having from 1 to 6 carbon atoms; or --Q and --X are covalently linked forming a cyclic moiety which includes the nitrogen to which --Q is bonded and from 5 to 20 carbon atoms;(e) Z is --O-- or --NH--; when V is --OC(O)--, --Z-- is --NH--;(f) --R1 is a hydrophobic moiety;(g) --R2 is a hydrophobic moiety;(h) --R3 is --(CH2)m--A--NH2 or --(CH2)m--A--B--C(NH2).dbd.

Abstract: A method for producing uncreped, strong, soft, and low dusting tissue paper webs useful in the manufacture of soft, absorbent sanitary products such as bath tissue, facial tissue, and absorbent towels is disclosed. The tissue papers comprise fibers such as wood pulp and a non-cellulosic, water insoluble particulate filler such as kaolin clay.

Abstract: Skin wetness is minimized on overnight usage of a disposable absorbent article containing an acquisition and distribution member consisting essentially of C.sub.2 -C.sub.9 polycarboxylic acid crosslinked cellulosic fibers prepared in the presence of surfactant.