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| Number | Title | Issue Date |
| 7396349 | Wrapped absorbent core In an absorbent structure for an absorbent article, a non-woven absorbent core extends from one longitudinal end region of the absorbent structure through a central region thereof to an opposite longitudinal end region of the absorbent structure. The absorbent core ... | 07/08/2008 |
| 7291247 | Absorbent sheet made with papermaking fibers with durable curl A process for bleaching high bulk cellulosic fiber and producing a durable elevated curl index includes: (a) concurrently bleaching, heat treating and convolving cellulosic fiber pulp at elevated temperature and pressure at high consistency generally under condition... | 11/06/2007 |
| 7166190 | Methods for forming a fluted composite Methods for forming an absorbent fibrous composite containing absorbent material dispersed in bands through the composite and along the composite's length are disclosed. The methods generally include depositing a fibrous slurry on a foraminous support to form a web ... | 01/23/2007 |
| 7154020 | Body fluid absorbent wearing article A body fluid absorbent wearing article includes a liquid-absorbent panel. The panel is composed of a first fibrous assembly panel lying on the side of a topsheet and a second fibrous assembly panel underlying the first sub-panel. The first sub-panel has a flat porti... | 12/26/2006 |
| 6936211 | Tampon applicator having outwardly flared rim Methods for making a tubular device that has a rim disposed at one end thereof. In one method, a sleeve having an expandable profiling surface is inserted into an end of the tubular member, and the profiling surface is expanded to form a shoulder projecting outwardl... | 08/30/2005 |
| 6747186 | Water-decomposable absorbent article Provided is an absorbent article which includes a backsheet, a liquid-pervious topsheet and an absorbent core sandwiched between the backsheet and the topsheet. At least the backsheet is made from a water-decomposable material. The backsheet is formed of a fibrous s... | 06/08/2004 |
| 6703330 | Fluted absorbent composite A fibrous absorbent composite containing absorbent material, methods for its formation, and absorbent articles that include the composite are described. The composite is a fibrous structure that includes absorbent material dispersed throughout the composi... | 03/09/2004 |
| 6623848 | Water-absorbing polymers having interstitial compounds, a process for their production, and their use The invention relates to absorvents for water and aqueous liquids, which are vased on water-swell-able, yet water-insoluble polymers wherein cyclodextrin or cyclodextrin derivatives and zeolites high in silicon have been incorporated ionically, covalently... | 09/23/2003 |
| 6620293 | Crossed-linked pulp and method of making same The invention provides a method for preparing cross-linked cellulosic fibers. A sheet of mercerized cellulosic fibers with a purity of at least 95% is treated with a solution containing carboxylic acid cross-linking agents. The treated cellulosic fibrous ... | 09/16/2003 |
| 6127593 | Flushable fibrous structures The present invention relates to a flushable fibrous structure that is particularly useful as a disposable tissue product and as a component (e.g., topsheets) for absorbent articles such as catamenial pads, diapers, incontinent articles and the like. The ... | 10/03/2000 |
| 5749863 | Fluid acquisition and distribution member for absorbent core Skin wetness is minimized on overnight usage of a disposable absorbent article containing an acquisition and distribution member consisting essentially of C2 -C9 polycarboxylic acid crosslinked cellulosic fibers prepared in the prese... | 05/12/1998 |
| 5731083 | Cellulosic fibres Carboxymethyl cellulose fiber having a degree of substitution of at least 0.1, preferably 0.2-0.5, carboxymethyl groups per glucose unit is derived from solvent-spun cellulose fiber, for example by reaction with a strong alkali and a monochloroacetate rea... | 03/24/1998 |
| 5719201 | Superabsorbent hydrophilic isocyanate-based foam and process for production thereof A foamed isocyanate-based polymer having a cellular structure and containing a superabsorbent material, the polymer being capable of: (i) absorbing at least about 20 times its weight of an aqueous fluid maintained at a temperature of from about 20° to ab... | 02/17/1998 |
| 5674917 | Superabsorbent hydrophilic isocyanate-based foam and process for production thereof A foamed isocyanate-based polymer having a cellular structure and containing a superabsorbent material, the polymer being capable of: (i) absorbing at least about 20 times its weight of an aqueous fluid maintained at a temperature of from about 20° to ab... | 10/07/1997 |
| 5643588 | Diaper having a lotioned topsheet A diaper containing a liquid pervious topsheet coated with a lotion composition is disclosed. The lotion composition reduces the adherence of BM to the skin of the wearer, thereby improving the ease of BM clean up. The lotion composition comprises a plast... | 07/01/1997 |
| 5635191 | Diaper having a lotioned topsheet containing a polysiloxane emollient A diaper containing a liquid pervious topsheet coated with a lotion composition is disclosed. The lotion composition reduces the adherence of BM to the skin of the wearer, thereby improving the ease of BM clean up. The lotion composition comprises a plast... | 06/03/1997 |
| 5496933 | Super-absorbents and a process for their preparation Chitosan absorbent is prepared by reacting pulverized chitosan suspended as a powder in an organic solvent with an acid and then isolating solid chitosan-acid reaction product.... | 03/05/1996 |
| 5484896 | Esterified high lignin content cellulosic fibers Individualized, esterified high lignin content cellulosic fibers containing intrafiber C2 -C9 polycarboxylic acid ester perform unexpectedly better in absorbent applications than lower lignin content esterified fibers from the same f... | 01/16/1996 |
| 5346485 | Polymeric composition for the absorption of proteinaceous fluids A polymeric composition specifically adapted to absorb blood and other proteinaceous fluids and having repeating units, said polymeric composition comprising pendant neutralized carboxyl groups (salts) and pendant carboxyl groups. The polymeric compositio... | 09/13/1994 |
| 5300358 | Degradable absorbant structures Compostible and flushable absorbent structures for sanitary uses for the absorption of body fluids comprising an absorbent degradable fibrous core and a backsheet that is cold-water soluble but water impermeable.... | 04/05/1994 |
| 5098417 | Cellulosic wound dressing with an active agent ionically absorbed thereon A wound dressing is provided herein for systemic administration of a physiologically- or biologically-active agent by controlled release of the agent into such wound. The wound dressing includes a substrate in the form of a fabric or cloth, at least a por... | 03/24/1992 |
| 5080657 | Alginic This invention is a catamenial pad or a tampon or a diaper which contains carboxymethylalginate (CMA) and alginic acid salt. The pad or diaper can be made from fibers composed of CMA alone or a mixture of CMA and alginic acid salt. CMA may be prepared by ... | 01/14/1992 |
| 5049235 | Poly(methyl vinyl ether-co-maleate) and polyol modified cellulostic fiber Disclosed is a fiber comprising, chemically bonded together, (a) a conventional cellulosic fiber, such as a Kraft fiber or a chemithermomechanical pulp fiber; (b) poly(methyl vinyl ether-co-maleate) copolymer, such as the acid form of a 1:1 (molar) poly(m... | 09/17/1991 |
| 5019063 | Absorbent articles containing mechanical pulp and polymeric gelling material A disposable, absorbent diaper comprising a topsheet, a liquid impervious backsheet associated with the topsheet, and an absorbent core disposed between the topsheet and the backsheet, wherein the absorbent core has a dusting layer of mechanical pulp fibe... | 05/28/1991 |
| 5002814 | Superabsorbent fibre flocks, methods for their production and application The invention relates to superabsorbent fibre flocks comprising a core of absorptive polymer wherein short polymer fibres have been embedded, such short polymer fibres protruding at least partially from the core. Such superabsorbent fibre flocks can be pr... | 03/26/1991 |
| 4957795 | Absorbent elastomeric wound dressing An elastomeric nonwoven absorbent web is provided. The web comprises a nonwoven fibrous matrix of elastomeric melt-blown small diameter fibers and absorbent staple fibers or absorbent particulate material, wicking staple fibers, and bulking staple fibers ... | 09/18/1990 |
| 4931357 | Variable transverse webber and stratified webs formed therewith A web or structure is formed by feeding separate supplies of fibrous material into contact with two separate lickerins that are parallel to each other and rotated toward each other. The fibers from the two lickerins pass through a mixing zone and are accu... | 06/05/1990 |
| 4927685 | Transverse webber and stratified webs formed therewith A nonwoven web is formed by feeding separate supplies of fibrous material into contact with two separate lickerins that are parallel to each other and rotated toward each other. The fibers from the two lickerins pass through a mixing zone and are accumula... | 05/22/1990 |
| 4911700 | Cross-linked microfibrillated cellulose prepared from pure generating particles Adsorbent retentive pulp is described which is capable of retaining good adsorbency even after having been highly compressed. The pulp is produced by subjecting a microfibrillated pulp slurry to pore generation with pore generating particles and to cross-... | 03/27/1990 |
| 4888231 | Absorbent core having a dusting layer Airlaid fibrous webs having a primary layer having discrete particles of absorbent gelling material dispersed through at least a portion of the web airlaid over a dusting layer of essentially hydrophilic fiber material. The dusting layer acts to block the... | 12/19/1989 |
| 4837077 | Hydroexpansible composite material, the preparation thereof and a composition for its implementation as well as the uses thereof The invention relates to a hydroexpansible composite material, the method of preparing same and a composition for implementing this method, as well as to the uses thereof. The composite material includes a solid flat support having, on at least one of its... | 06/06/1989 |
| 4813945 | Ultrahigh water-absorbing fiber forming composition A copolymer of recurring units of at least one ଲ-unsaturated monomer and recurring units of at least one copolymerizable comonomer comprising, in its preferred embodiment from about 20 to about 80 percent pendant carboxylic acid units and fro... | 03/21/1989 |
| 4809493 | Water-absorbing shrinkable yarn Rapidly shrinking fibers hardly soluble in water and capable of shrinking in water at 20° C. by not less than 30% in not longer than 10 seconds are obtained, for example, by spinning, drawing and heat-treating a carboxy-modified polyvinyl alcohol under s... | 03/07/1989 |
| 4748076 | Water absorbent fibrous product and a method of producing the same A water absorbent fibrous product comprising a fibrous cellulosic material impregnated with a water absorbent acrylic polymer and a fibrous material, which is produced by a method in which an aqueous solution of a monomeric component comprising acrylic ac... | 05/31/1988 |
| 4743244 | Water absorbing polymer compositions and articles prepared therefrom A polymer composition which is water-absorbent upon curing comprising: (a) a copolymer containing from about 25 to about 75 mole percent recurring units of at least one ,ଲ-unsaturated monomer bearing at least one pendant unit selected from th... | 05/10/1988 |
| 4650716 | Novel salts of carboxymethylcellulose Disclosed are novel sodium salts of carboxymethylcellulose (CMC) which are substantially nonfibrous, have a degree of substitution (D.S.) of 0.2 to 0.9 and an absorbency of at least 25 g. liquid/g. the novel CMC material, and are prepared from a cellulose... | 03/17/1987 |
| 4645698 | Dehydrating and water-retaining sheet A dehydrating and water-retaining sheet comprising a water-absorbing agent, a wetting agent having a water-absorbing property, and a water-permeable membrane, in which the water-absorbing agent and the wetting agent are at least partially wrapped together... | 02/24/1987 |
| 4634439 | pH-regulating Cellulose fiber A cellulose fiber which is carboxyalkylated in free acid form, a fiber mass formed therefrom, and a method for producing such fiber.... | 01/06/1987 |
| 4634438 | pH-regulating Cellulose products Hygienic products of various types, all comprising as their operative body contact portion a fiber mass of acidic, modified, pH-regulating, cellulose.... | 01/06/1987 |
| 4600462 | Incorporation of a hydrophile in fibrous webs to enhance absorbency An air laid fibrous web product of enhanced absorbency and method of making same having a basis weight of between about 8 to about 50 pounds per ream, and a bulk of at least 0.40 mils per pound per ream, the web product comprising a multiplicity of paperm... | 07/15/1986 |
