With Means To Direct Body Fluid Patents (Class 604/385.101)
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Publication number: 20110106038Abstract: An absorbent article includes an a pair of leakage protection walls including a standing gather. The leakage protection walls are affixed to the backsheet or an outer layer of the article. Each standing gather is configured to be folded over side edges of the absorbent article so that each standing gather extends towards a user causing portions of the first and second end regions of the absorbent article to curve inwardly. In addition, the inverse standing gathers force laterally extending sides of the article to stand erect, thereby creating a double sealing effect. Attaching the leakage protection wall to the backsheet or outer layer of the article increases the inlet area, while also improving leakage.Type: ApplicationFiled: October 29, 2009Publication date: May 5, 2011Inventor: Raquel CARBONARI
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Patent number: 7935861Abstract: A liquid distribution unit disposed in a position between an absorbent member and a wearer's body. The liquid distribution unit includes a sheet, the sheet including a plurality of openings defined through material which is otherwise liquid impermeable, and a plurality of introductory tubes extending toward the absorbent member, and each one of the introductory tubes includes one first end and one second end. Each first end of the tubes is connected to the sheet so that a center of each of a plurality of openings of the sheet is coincident with a center of an opening of each first end. The introductory tubes are adjacent to one another through an empty space. An absorbent product having the distribution unit is provided.Type: GrantFiled: February 19, 2002Date of Patent: May 3, 2011Assignee: Japan Absorbent Technology InstituteInventor: Migaku Suzuki
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Publication number: 20110092944Abstract: An absorbent article includes a liquid-permeable sheet, a liquid-impermeable sheet, and an absorber sandwiched between the liquid-permeable sheet and the liquid-impermeable sheet. The absorber includes an absorbing layer center part and an absorbing part formed in the periphery of the absorbing layer center part. On the skin-contact surface side of the absorbent article, compressed grooves are provided along at least widthwise right and left side edges to surround the absorbing layer center part, and have an intermittent portion in the vicinity of the longitudinal centerline. On the skin-non-contact surface side of the absorber, a space part being nearly convex toward the skin-contact surface side and formed between the absorber and the liquid-impermeable sheet, is present in the side part of at least a part of compressed groove out of the compressed grooves provided along widthwise right and left side edges.Type: ApplicationFiled: April 7, 2009Publication date: April 21, 2011Applicant: UNICHARM CORPORATIONInventors: Minako Sagisaka, Kazuya Nishitani
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Patent number: 7927322Abstract: The present invention provides an absorbent article having longitudinal direction, a lateral direction, a second portion and a first portion. This absorbent article has a topsheet which has a first major surface that forms a body-facing surface. In addition, the absorbent article has a backsheet which has a second major surface disposed distally from the first major surface. The second major surface of the backsheet forms a garment facing surface of the absorbent article. On the second portion of the top sheet on the first major surface, a body adhesive is applied. In the first portion of the absorbent article, a garment attachment device for attaching the absorbent article to an undergarment of a user is present.Type: GrantFiled: June 13, 2006Date of Patent: April 19, 2011Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Bliss Elizabeth Cohen, Stephen Michael Campbell, Garry Roland Woltman
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Patent number: 7923597Abstract: A disposable absorbent article having a durable hydrophilic substantially liquid pervious core wrap surrounding a storage layer. The core wrap has a hydrophilicity boosting composition coated on a core wrap substrate. The hydrophilicity boosting composition includes a hydrophilicity boosting amount nanoparticles having a particle size of from about 1 nanometer to about 750 nanometers.Type: GrantFiled: June 30, 2006Date of Patent: April 12, 2011Assignee: The Procter & Gamble CompanyInventors: Ekaterina Anatolyevna Ponomarenko, John David Carter, Ronald Dean Cramer, Mattias Schmidt, Robert Henry Rohrbaugh
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Patent number: 7922705Abstract: Differentially densified fibrous structures, methods for making same, and processes for treating fibers used in the fibrous structures are provided. More particularly, fibrous structures comprising two or more regions, at least one of which exhibits a density that is at least 1.6 times greater than another region within the fibrous structure, methods for making such fibrous structures and non-naturally occurring fibers useful in such fibrous structures are provided.Type: GrantFiled: October 3, 2005Date of Patent: April 12, 2011Assignee: The Procter & Gamble CompanyInventor: Robert Stanley Ampulski
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Patent number: 7918839Abstract: An absorbent article includes a barrier cuff strip extending in a longitudinal direction from the front waist region to the back waist region along the topsheet. The barrier cuff strip has a distal edge attached to the topsheet at a cuff end bond region. The barrier cuff has an outer bond edge spaced longitudinally from an inner bond edge. The disposable absorbent article includes a side panel that extends laterally beyond a side of the chassis and is joined to the chassis at a panel joint region extending between an outer panel joint edge and an inner panel joint edge. The longitudinal distance from the lateral axis to the inner panel joint edge is at least about ΒΌ of a longitudinal distance from the lateral axis to the inner bond edge of the cuff end bond region.Type: GrantFiled: October 14, 2005Date of Patent: April 5, 2011Assignee: The Procter & Gamble CompanyInventors: Bruno Johannes Ehrnsperger, Andrew James Sauer, Donald Carroll Roe
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Patent number: 7918838Abstract: A disposable diaper including, a covering chassis having front and rear waist regions, and a crotch region; a body fluid absorbent structure disposed at least in the crotch region; and an elastic isolating sheet covering at least the absorbent structure. The elastic isolating sheet has a front opening and a rear opening. The absorbent structure is provided on a bottom thereof with an elastic panel.Type: GrantFiled: September 4, 2007Date of Patent: April 5, 2011Assignee: Uni-Charm CorporationInventors: Hironao Minato, Kaiyo Nakajima, Naoko Takada
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Publication number: 20110054434Abstract: A disposable pants-type diaper includes an innermost sheet lying between a liquid-pervious inner sheet covering a bodily fluid-absorbent core and diaper wearer's skin and attached to the inner sheet to form a body waste retaining space. The innermost sheet is formed with a front opening allowing the passage of urine into the body waste retaining space and a rear opening allowing the passage of feces into the body waste retaining space. A portion of the innermost sheet extending between the front opening and the rear opening droops down and a lower end thereof to form a separator.Type: ApplicationFiled: January 19, 2009Publication date: March 3, 2011Applicant: UNI-CHARM CORPORATIONInventor: Toshifumi Otsubo
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Patent number: 7888548Abstract: An absorbent layer structure for use as an absorbent body in an absorbent article includes a first surface layer having cellulose fluff pulp, a second surface layer having cellulose fluff pulp, and an inner layer arranged between the surface layers having a mixture of cellulose fluff pulp and 5-90% by weight superabsorbent material, the cellulose fluff pulp in the surface layers having a mat strength which is lower than the mat strength in the inner layer by at least 1 N measured at a weight per unit area of 300 g/m2 and a bulk of 4.5 cm3/g or less and preferably a mat strength which is lower than the mat strength in the inner layer by at least 2 N measured at a weight per unit area of 300 g/m2 and a bulk of 4.5 cm3/g or less.Type: GrantFiled: December 28, 2006Date of Patent: February 15, 2011Assignee: SCA Hygiene Products ABInventor: Ted Guidotti
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Patent number: 7888549Abstract: An absorbent article having an absorbent core and a cover enclosing the absorbent core. The absorbent core is provided with at least two slits or grooves diverging from a crotch region of the absorbent core in a direction towards one transverse edge of the absorbent core and terminating inside the respective longitudinal edge as well as the respective transverse edge of the absorbent core. These slits or grooves form folding guides along which the article can be formed into a shape having a narrow crotch width.Type: GrantFiled: May 29, 2007Date of Patent: February 15, 2011Assignee: SCA Hygiene Products ABInventors: Filip Jansson, Marie Johansson, Fredrik Asp
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Patent number: 7884259Abstract: An absorbent article including a fiber aggregate formed by opening the tow, a super absorbent polymer particle, and a sheet covering these components. The super absorbent polymer particle are bonded to the sheet with an adhesive that is applied in a continuous plane to the entire surface or the substantially entire surface at least at the portion to be provided with the super absorbent polymer particle in this sheet.Type: GrantFiled: June 28, 2005Date of Patent: February 8, 2011Assignee: Daio Paper CorporationInventors: Hiroyuki Hanao, Taira Kubo, Yoshiharu Miyashita, Tomotsugu Matsui, Akinori Fukae, Toshikazu Maeda, Hiroyuki Yano, Takeshi Furudoi
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Publication number: 20110028926Abstract: A diaper rash prevention apparatus includes a single layer enclosure with a flangeless aperture adapted for being placed in direct contact with the skin surrounding the anus for the purpose of directing fecal matter into the single layer enclosure. An adhesive may be disposed about the flangeless aperture to maintain the aperture in direct contact with the skin surrounding the anus. A cover may be releasably coupled over at least one of the flangeless aperture and the adhesive. An applicator may be used to assist in the installation of the single layer enclosure.Type: ApplicationFiled: October 14, 2010Publication date: February 3, 2011Inventor: Joseph E. Davis
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Patent number: 7875013Abstract: A Feminine Hygiene Pad Comprising having a wide forward portion which is at least one and half times the length of a narrow rear, tail-like portion.Type: GrantFiled: March 1, 2006Date of Patent: January 25, 2011Inventor: Ilse Rubio
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Patent number: 7857799Abstract: A feminine hygiene device. The absorbent core can have a first compressibility in an unaltered state, wherein at least a portion of the absorbent core that is generally aligned with the longitudinal axis of the absorbent core has a second compressibility in an altered state. The second compressibility can be greater than the first compressibility. The portion of the absorbent core having the second compressibility can be a portion of the absorbent core from which absorbent material has not been completely removed. The feminine hygiene device has an elastic member generally aligned with the core longitudinal axis and spanning at least a portion of the absorbent core that has a preferentially weakened zone of compression. A portion of the absorbent core that is generally aligned with the core longitudinal axis can comprise structural features selected from the group consisting of slits, corrugations, nodules, and tufts.Type: GrantFiled: March 5, 2007Date of Patent: December 28, 2010Assignee: The Procter & Gamble CompanyInventors: Bruce William Lavash, Jean Jianqun Zhao, Denise Jean Bien, Ann-Marie Ventura
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Publication number: 20100324514Abstract: The present invention aims to provide a disposable diaper improved so that, when the diaper is put on a wearer's body, an area of the wearer's skin defined between his or her external genital and anus can reliably protected from being soiled with body waste. The disposable diaper is provided on the inner surface of a liquid-pervious inner sheet 32 with a separator sheet 33b formed with a front opening 38 and a rear opening 39. The separator sheet 33 has end regions 34, 36 opposite in a front-back direction A both bonded to the inner sheet 32 and a middle region 35 left free from the inner sheet 32. The separator sheet 33b further includes elastic members 37L, 38R extending under tension in the front-back direction A along inner edges of the front and rear openings 38, 39. The separator sheet 33b is bonded along lateral zones 48L, 48R thereof to the inner sheet 32.Type: ApplicationFiled: December 14, 2007Publication date: December 23, 2010Applicant: UNI-CHARM CORPORATIONInventors: Hironao Minato, Kaiyo Nakajima, Naoko Takada
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Patent number: 7855314Abstract: An Absorber and an absorbent article including a fiber aggregate wherein a tow composed of fibers is used as the fiber aggregate, and the compression resilience RC is 45 to 60%. Also, the fiber aggregate has a density of 0.0075 g/cm3 or less, weight of 0.0075 g/cm2 or less and a mass of 1 to 15 grams.Type: GrantFiled: June 28, 2005Date of Patent: December 21, 2010Assignee: Daio Paper CorporationInventors: Hiroyuki Hanao, Taira Kubo, Yoshiharu Miyashita, Tomotsugu Matsui, Akinori Fukae, Toshikazu Maeda, Hiroyuki Yano, Takeshi Furudoi
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Publication number: 20100318051Abstract: A disposable menstrual panty for little girls. An undergarment configured to be worn as a panty for absorption of menstrual fluid. The panty is made out of breathable non-porous material. The crotch area has a build in sanitary napkin made out of a mesh material used in sanitary napkins to help pull the moisture of fluids away from the young girls body, helping them to feel drier. The leg areas are made of flexable gathers that will cling around the legs for a secure fit (to prevent leakage). The sides of the light weight hip hugger panties will have Velcro sides so that they can be replaced or removed easily. The disposable menstrual panty for little girls is to be worn by a young female who is just beginning to experience her first years of menstruating. The undergarment with the build in sanitary napkin, while providing additional layers and absorbent materials will provide confidence, and longer wear for young females.Type: ApplicationFiled: June 11, 2010Publication date: December 16, 2010Inventors: Patricia Ann McCourt, Diana Maria Jameson
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Patent number: 7850672Abstract: An absorbent article such as a diaper, an incontinence guard, a sanitary napkin or the like, includes a liquid permeable upper surface and an absorbent structure, which in the longitudinal direction exhibits a crotch portion and two end portions, wherein the absorbent structure has an acquisition layer and at least one first storage layer. The first storage layer has at least 50 percent by weight of a super absorbent material calculated on the total weight of the first storage layer. The material of the first storage layer in a dry condition has a density exceeding 0.4 g/cm3. Further, the first storage layer at least in the crotch portion of the absorbent structure has apertures or recesses.Type: GrantFiled: March 26, 2004Date of Patent: December 14, 2010Assignee: SCA Hygiene Products ABInventors: Ted Guidotti, Gunnar Edwardsson, Malin Eliasson
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Publication number: 20100312216Abstract: Potty training liners are a comfortable, child sized, absorbent liner, with a concave center and an expandable, flexible bottom to allow rapid flowing urine collection and retention. The Liner has unique absorbent collapsible side walls with an unobstructed center containing superabsorbent for quick pooling of urine. The liner is adhered to the inside of the child's underwear with a thick adhesive strip on the bottom outer portion of the liner. The Liner is soft and flexible, and does not have the feel of a diaper. It is a unique stop-gap solution for children progressing from pull-on diapers to unprotected underwear. The purpose of the liner is for training, and short term emergency βaccidentβ protection, as opposed to long term wearable protection.Type: ApplicationFiled: June 16, 2010Publication date: December 9, 2010Inventor: Lori Lee Periman
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Patent number: 7847145Abstract: The present invention relates to a technique for a body fluid absorbent article including a moving absorbent, capable of using a wider range of the absorbent for absorption and efficiently moving the absorbent. The present invention is characterized in that the absorbent 25 including a body fluid absorption and holding function and a shrinkage function when contacting with a body fluid is provided in a body fluid absorbent portion, and an absorption control layer 40 a liquid impermeable range of which is reduced whenever the body fluid is excreted is provided on the absorbent 25.Type: GrantFiled: March 29, 2004Date of Patent: December 7, 2010Assignee: Daio Paper CorporationInventors: Yuka Kurita, Kazunori Nishizawa
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Publication number: 20100305542Abstract: An improved undergarment and a separation device for use with undergarments that are worn by persons afflicted with dual incontinence to separate urine and feces that collect in the undergarment. In one embodiment, the undergarment is provided with the separation device at or near the middle area of the inner layer of the undergarment to divide the inner layer into a front section and a back section. The separation device has a center divider that prevents migration and mixing of urine and feces. The upper surface of the center divider interconnects the undergarment and the wearer's body. The separation device can include a pair of wing members extending outward from the center divider that are configured to bend downward for positioning and to flex out against the wearer's legs to assist in holding the center divider in place. The separation device can also be utilized to retrofit existing undergarments.Type: ApplicationFiled: September 22, 2009Publication date: December 2, 2010Inventor: Gordon A. Stemple
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Patent number: 7842019Abstract: In an absorbent product such as a diaper comprising a back sheet, an absorber, and a skin contact sheet, the skin contact sheet is disposed on the absorber as the uppermost layer which comes in contact with the skin of the wearer and has openings which allow the passage of excretions. The absorber and the skin contact sheet are joined only at both ends of the absorbent product in the longitudinal directions.Type: GrantFiled: October 31, 2007Date of Patent: November 30, 2010Assignees: Oji Paper Co., Ltd., Japan Absorbent Technology InstituteInventors: Katsuhiko Sugiyama, Yoshiaki Takamatsu, Rie Kuwabara, Masaru Tsubata, Migaku Suzuki
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Patent number: 7842021Abstract: Absorbent articles with waist seals are disclosed. The seals are formed from folded stacks, discrete segments, or pleated material arranged to provide a resiliently compressible seal that can be located at one or more locations within the absorbent article, e.g., along a central portion of the rear waist region of a diaper. The seals may be constructed from relatively thin materials that (through folding, stacking, pleating, etc.) can provide a resiliently compressible seal that is thick enough and appropriately shaped to conform to the wearer's anatomy well enough to provide the desired sealing. At the same, time, the continuous web material used to form the seal is preferably thin enough to be economically delivered to the manufacturing line in roll form. The seals may be provided in the form of compressed seals that expand when one or more openings are formed in a sealed cavity containing compressed resilient material.Type: GrantFiled: July 14, 2006Date of Patent: November 30, 2010Assignee: 3M Innovative Properties CompanyInventors: Leigh E. Wood, Randall L. Alberg
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Patent number: 7837662Abstract: An absorbent article that has a thin, conformable absorbent core where the core has at least two layers, both of which includes (different) superabsorbent material and both being typically substantially free of cellulosic fibers is described. The absorbent article has a Circular Bend Flexibility of less than about 15 N and typically a an acquisition rate on the third gush of less than about 170 seconds and/or on the fourth gush of less than about 190 seconds.Type: GrantFiled: July 26, 2006Date of Patent: November 23, 2010Assignee: The Procter & Gamble CompanyInventors: Yasue Nakagawa, Holger Beruda, Mattias Schmidt
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Patent number: 7838721Abstract: The present invention relates generally to an absorbent composite for an absorbent article, and more particularly to an absorbent composite comprising fibrous material and superabsorbent material having a Column Absorbency Under Load (CAUL) above 10 g/g. Such an absorbent composite provides a superabsorbent material having superior AUL and permeability, thereby providing improved absorption and rewetting properties. An absorbent article that contains such a composite provides improved ability to absorb and retain fluids, thus preventing excessive rewetting and leakage and making the article more comfortable to wear.Type: GrantFiled: April 9, 2003Date of Patent: November 23, 2010Assignee: Paragon Trade Brands, LLCInventor: Dennis Chen
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Patent number: 7834236Abstract: A multi-layered web is provided that includes an elastic web bonded to an inelastic web. The inelastic web has extensible and inextensible regions arranged along the machine direction. In the extensible regions, the inelastic web is bonded to the elastic web in a creped structure that is extensible by virtue of the creping. A continuous process is provided to manufacture a multi-layer web having extensible regions that are conjoined with regions that are inextensible by varying the tension that is applied during manufacture of the multi-layer web. The apparatus comprises an elastic web that is fed into a bonding nip, into which one or more inelastic webs are also provided. The elastic web is fed into the bonding nip under a tension that is alternated between a low value that is sufficient to ensure processing stability, and a higher value that provides an elongation to the elastic web.Type: GrantFiled: April 25, 2007Date of Patent: November 16, 2010Assignee: Tredegar Film Products Corp.Inventors: Jeffrey Alan Middlesworth, Stephen Donald Bruce, Todd Richard Skochodopole, Matthew John O'Sickey, Andrew James Peacock
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Patent number: 7824386Abstract: Aspects of the present disclosure involve new methods for using disposable absorbent articles having replaceable absorbent core components as a swim pant. Non-removable absorbent core components may be disposed in a chassis of the disposable absorbent article. The absorbent article may also include replaceable absorbent core components adapted to be selectively disposed in capillary liquid communication with the non-removable absorbent core component. Embodiments of such absorbent articles can be configured for use as a swim pant or diaper with relatively low absorbency by removing the replaceable absorbent core component. Removal of the replaceable core component may be done without having to remove the absorbent article from the wearer. In addition, embodiments of the absorbent articles can be reconfigured for use as a high absorbency diaper by reinstalling a replaceable absorbent core component without having to remove the absorbent article from the wearer.Type: GrantFiled: October 26, 2006Date of Patent: November 2, 2010Assignee: The Procter & Gamble CompanyInventors: Gary Dean LaVon, Thomas Henrich
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Publication number: 20100262113Abstract: In an absorbent article, a liquid-absorbent chassis is provided on the inner surface facing the wearer's skin, with a barrier sheet which is, in turn, formed with front and rear passage openings. A sheet region of the barrier sheet defined between barrier sheet elastic members and side edges is provided with tucks serving as means to prevent the sheet region from sagging toward the front and rear passage openings. These tucks are formed by folding back the sheet in the sheet region onto itself. These tucks extend in a longitudinal direction in regions of opposite lateral portions including convex segments of the barrier sheet elastic members extending therein.Type: ApplicationFiled: July 11, 2008Publication date: October 14, 2010Applicant: Uni-Charm CorporationInventors: Kaiyo Nakajima, Hironao Minato
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Publication number: 20100249735Abstract: A separate entity, or wick, that works in conjunction with the user's sanitary pad of choice to help absorb, direct, channel, and contain blood or fluid directly from the vaginal vestibule area onto the sanitary pad. The small wick device fits comfortably and snugly in the vestibule area, and is attached to the top of the sanitary napkin by means of an adhesive border around the bottom portion of the wick. The wick may also either permanently or temporarily attach to a thin, flexible, appendage strip of absorbent material, which is placed between the buttock cheeks to facilitate absorption of blood or fluid leakage particularly while the user is reclining or sleeping.Type: ApplicationFiled: March 20, 2010Publication date: September 30, 2010Inventors: Cecelia E. Ali, Robin R. Waller, Anita L. Waller
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Patent number: 7803146Abstract: A sweat-absorbent sheet includes a first surface layer, a second surface layer lying on the opposite side of the first surface layer and an intermediate layer sandwiched between these two layers. Each of the first and second surface layers comprises a mixture layer of first and second hydrophobic fibers made of thermoplastic synthetic resin as main constituent and first and second hydrophilic fibers. The intermediate layer comprises third hydrophilic fibers extending into at least one of the first and second hydrophobic fibers. The first and second hydrophobic fibers are bonded to the crimped to hydrophobic composite fibers mixed in the respective layers. The first, second and third hydrophilic fibers are impregnated with antibacterial or bactericidal medicinal ingredient and such medicinal ingredient is left behind on these hydrophilic fibers after these hydrophilic fibers have been dried.Type: GrantFiled: November 13, 2006Date of Patent: September 28, 2010Assignee: Uni-Charm CorporationInventors: Mitsuhiro Wada, Akiko Tange, Kiyoshi Miyazawa, Chieko Toyooka
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Publication number: 20100241095Abstract: A disposable pull-on type diaper has a separator interposed between an inner surface of an absorbent chassis and the wearer's skin so as to protect the diaper wearer's skin from being soiled with feces. The separator is formed by a piece of sheet extending from a bottom of a crotch region of the diaper toward a front waist region and a rear waist region and fixed to lateral edges of the crotch region. The piece of sheet has a front end and a rear end both extending in a transverse direction of the crotch region. These front end and rear end are free along middle segments thereof as viewed in the transverse direction of the crotch region from an inner surface of an absorbent chassis and inseparably integrated with each other.Type: ApplicationFiled: June 2, 2010Publication date: September 23, 2010Applicant: UNI-CHARM CORPORATIONInventor: Toshfumi OTSUBO
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Patent number: 7794440Abstract: The present invention relates to a disposable absorbent article, such as a diaper, training pants, adult incontinence article, having a specific topsheet with an opening to receive bowel movement waste (BM) and which is such that it masks the waste present underneath said topsheet. The topsheet is air permeable and it has a uniform pore size distribution with small pores only and it has a low surface energy and therefore an alcohol repellency of at least 7, typically at least 9 or even preferably 10.Type: GrantFiled: November 7, 2003Date of Patent: September 14, 2010Assignee: The Procter & Gamble CompanyInventors: Anja Schuehle (NΓ©e Hoffmann), Joerg Mueller, Heike Opper, Georg Pescher, Mattias Schmidt
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Patent number: 7785306Abstract: An absorbent article including a cover layer, a barrier layer and an absorbent system arranged between the cover layer and the barrier layer, the absorbent article being drapeable and possessing the absorbency attributes required of a sanitary napkin.Type: GrantFiled: September 16, 2005Date of Patent: August 31, 2010Assignee: McNeil-PPC, Inc.Inventors: John Poccia, Leonard G. Rosenfeld, Archie L. Jones, Theresa Wysocki, Katja Lerner, Alvaro Garcia Aramendia, Elisabeth Kirsch
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Patent number: 7785309Abstract: A disposable absorbent garment having an inner layer with a first end panel, a second end panel, and a pair of side panels formed separate from the first and second end panels. The first and second end panels are stretchable in at least the lateral direction of the garment. The side panels extend longitudinally between the first and second end panels in laterally spaced relationship with each other such that the end panels and side panels together define a central opening of the inner layer. The side panels are each secured to the first and second end panels and are extensible in at least the lateral direction of the garment. The garment includes an outer layer is in opposed relationship with the inner layer and an absorbent assembly disposed between the inner layer and the outer layer.Type: GrantFiled: August 31, 2005Date of Patent: August 31, 2010Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Paul Theodore Van Gompel, Gary Alan Krueger, Lu Ann Marie Beckman
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Patent number: 7785310Abstract: A disposable diaper is provided, including an absorber, a top sheet arranged to cover the top surface of the absorber, a back sheet arranged to cover the bottom surface of the absorber, and a skin-contact sheet arranged over the top sheet. The top sheet is at least partially composed of a liquid-permeable material, the back sheet is composed of a liquid-impermeable material, and the skin-contact sheet is at least partially composed of a breathable waterproof sheet and is provided with a feces-passing opening capable of allowing feces to pass therethrough.Type: GrantFiled: October 10, 2006Date of Patent: August 31, 2010Assignees: Oji Nepia Co., Ltd., Oji Paper Co., Ltd.Inventors: Katsushi Sakano, Katsuhiko Sugiyama, Izumi Tashiro, Tomotsugu Miyoshi
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Patent number: 7780643Abstract: An absorbent article such as a sanitary towel, diaper, incontinence protector or panty liner, has a substantially elongated shape with a longitudinal direction and a transverse direction and has two side edges, a front edge and a rear edge, a front portion, a rear portion, and a middle portion located between the front portion and the rear portion. The article includes a shaping element. The shaping element includes at least two substantially elongated blanks which are cross-laid in an at least partially overlapping and substantially X-shaped configuration. A method for manufacturing an absorbent article permits improved manufacture of the article, with less material wastage.Type: GrantFiled: December 30, 2004Date of Patent: August 24, 2010Assignee: SCA Hygiene Products ABInventor: Cilla Persson
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Patent number: 7767878Abstract: A disposable absorbent article includes an absorbent mat between a liquid-permeable top sheet and a liquid-impermeable back sheet. The absorbent mat includes a sheet-shaped water-absorbent layer that contains a water-absorbent resin powder but that does not contain pulp fibers; and a fiber assembly layer that contains a water-absorbent resin powder and pulp fibers in this order from a top sheet side. The sheet-shaped water-absorbent layer includes a plurality of water-absorbent resin presence regions in each of which the water-absorbent resin powder is wrapped; and a plurality of water-absorbent resin powder absence regions each being formed between the two adjacent water-absorbent resin powder presence regions.Type: GrantFiled: March 12, 2004Date of Patent: August 3, 2010Assignee: Livedo CorporationInventor: Taichiro Suzuki
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Patent number: 7763001Abstract: An absorbent article includes a fluid permeable top sheet, a fluid impermeable back sheet, and an absorbent body disposed therebetween, and in addition is provided with an evagination means extending in a longitudinal direction between the top sheet and the back sheet. The top sheet has a first attachment region attached to the evagination means, second attachment regions attached to the vicinity of both side edges of the absorbent article, and an unattached region positioned between the regions. In the unattached region, many inflected creases, in particular, diagonally directed creases directed from the first attachment region towards both side edges are generated.Type: GrantFiled: October 26, 2006Date of Patent: July 27, 2010Assignee: Uni-Charm CorporationInventor: Koji Kawamura
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Patent number: 7763004Abstract: A disposable absorbent article including a chassis and an absorbent assembly. The chassis is folded laterally inward and outward in a zigzag pattern to form laterally opposing layered containment pockets and laterally opposing side flaps interiorly of the layered containment pockets. Each side flap has a longitudinally extending elastic gathering member attached adjacent to its distal edge. The absorbent assembly includes an absorbent core that may contain superabsorbent particles, which may be contained inside pockets.Type: GrantFiled: May 18, 2005Date of Patent: July 27, 2010Assignee: The Procter & Gamble CompanyInventors: Theodora Beck, Gary Dean LaVon
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Patent number: 7763003Abstract: A diaper is adapted for capturing and isolating bodily waste of a wearer. The diaper is constructed of a fabric blank folded to form front and rear waistlines of the diaper, a crotch region located between the front and rear waistlines, and a pair of leg openings. The fabric blank includes an outside shell and an adjustable inside panel. The inside panel is movable during wear from a normal wear position, wherein the crotch region is substantially uncovered by the panel, to a waste-isolating position, wherein the crotch region is substantially covered by the panel.Type: GrantFiled: August 21, 2006Date of Patent: July 27, 2010Assignee: Rhonda YipInventor: Jennifer Yip
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Patent number: 7763002Abstract: A disposable pull-on type diaper has a separator interposed between an inner surface of an absorbent chassis and the wearer's skin so as to protect the diaper wearer's skin from being soiled with feces. The separator is formed by a piece of sheet extending from a bottom of a crotch region of the diaper toward a front waist region and a rear waist region and fixed to lateral edges of the crotch region. The piece of sheet has a front end and a rear end both extending in a transverse direction of the crotch region. These front end and rear end are free along middle segments thereof as viewed in the transverse direction of the crotch region from an inner surface of an absorbent chassis and inseparably integrated with each other.Type: GrantFiled: April 2, 2007Date of Patent: July 27, 2010Assignee: Uni-Charm CorporationInventor: Toshifumi Otsubo
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Patent number: 7753896Abstract: An absorbent article having a silhouette including a first end, a second end, wherein the second end being in opposite relation to the first end, and a first longitudinally extending edge opposed to a second longitudinally extending edge, the first and second longitudinally extending edges connecting the first end and the second end; and a layered portion having a body-facing layer and a garment-facing layer, wherein the absorbent article is drapeable.Type: GrantFiled: December 19, 2001Date of Patent: July 13, 2010Assignee: McNeil-PPC, Inc.Inventors: Santos H. Collado, Maria Elaine P. de Velez, Jutta S. Haarer, Barbara Ann Ludwig, Ana Maria Elena R. Marcelo, H. Michael Moscherosch, Rita Renee Pilate, Jennifer L. Sturgeon
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Patent number: 7754940Abstract: A sanitary absorbent article is disclosed which is intended to be worn against a pudendal region of a user. The sanitary absorbent article is thin, i.e. having a thickness equal to or less than 5 mm and comprises a body contacting surface with at least one protrusion on the body contacting surface. The protrusion has a height H of at least 0.5 mm, and an equivalent width W. The protrusion also includes a ratio W/H ranging from about 2 to about 10.Type: GrantFiled: June 12, 2003Date of Patent: July 13, 2010Assignee: Johnson & Johnson Inc.Inventors: Henri Brisebois, Louis Canuel, Christiane Lariviere, Anthony Schoonen
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Patent number: 7749208Abstract: An insert for use together with an absorbent article such as a nappy, an incontinence product, a sanitary towel, a panty liner or the like. The insert has an first side, a second side and an essentially non-urine-absorbing spacer element adapted to keep a portion of the absorbent article at a distance from the skin of a wearer during use. The insert also includes an essentially non-urine-absorbing liquid-permeable retaining layer located against the spacer element, the retaining layer being capable of retaining feces.Type: GrantFiled: March 21, 2003Date of Patent: July 6, 2010Assignee: SCA Hygiene Products ABInventors: Barbro Moberg-Alehammar, Anna-Gerd Doverbo
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Patent number: 7744576Abstract: An absorbent article, preferably a disposable absorbent article such as a diaper, is disclosed having an absorbent core which imparts increased wearing comfort to the article and makes it thin and dry. The absorbent core useful for an absorbent article comprises a substrate layer, a discontinuous layer of absorbent material, and a layer of thermoplastic material. A second surface of the discontinuous layer of absorbent material is in at least partial contact with a first surface of the substrate layer. Portions of a second surface of the layer of thermoplastic material are in direct contact with the first surface of the substrate layer and portions of said second surface of the layer of thermoplastic material are in direct contact with a first surface of the discontinuous layer of absorbent material. A process for providing a storage layer for an absorbent core useful in an absorbent article is further disclosed.Type: GrantFiled: February 11, 2004Date of Patent: June 29, 2010Assignee: The Procter & Gamble CompanyInventors: Ludwig Busam, Uwe Jurgen Becker, Michael Divo, Bruno Johannes Ehrnsperger, Roland Engel, Torsten Lindner, Siegfried Link, Volker Maier, Sanaul Kabir Siddiquee, Gabriele Stiehl, Thomas Tombuelt
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Patent number: 7727213Abstract: An absorbent article that prevents a discharged matter from leaking out, and also prevents a wearer's sensation of wearing a sanitary napkin from worsening is provided. The absorbent article of the present invention includes a liquid-permeable surface sheet, a liquid-permeable back sheet, an absorbent body disposed between the surface sheet and the back sheet, and an intermediate portion disposed between the surface sheet and the absorbent body. The absorbent part 4 includes an absorbent body center portion and an absorbent body posterior portion continuously formed on a posterior side in the longitudinal direction D of the absorbent body center portion. The intermediate portion includes a first intermediate sheet disposed between the surface sheet and the absorbent body center portion and a second intermediate sheet disposed between the surface sheet and at least the absorbent body posterior portion.Type: GrantFiled: September 29, 2006Date of Patent: June 1, 2010Assignee: Unicharm CorporationInventors: Takashi Nomoto, Chinatsu Nanbu
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Patent number: 7722587Abstract: A disposable diaper has a chassis and a body fluid absorbent structure. The body fluid absorbent structure comprises a panel of body fluid absorbent material and a liquid-pervious sheet covering a surface of the panel facing the wearer's skin. The diaper is provided with a plurality of crossover members extending across the body fluid absorbent structure and facing the liquid-pervious sheet. The crossover member has its transversely opposite end portions bonded to the diaper in the vicinity of the side edge portions of the body fluid absorbent structure and its intermediate portion defined between the side end portions not bonded to the liquid-pervious sheet.Type: GrantFiled: August 13, 2004Date of Patent: May 25, 2010Assignee: Uni-Charm CorporationInventors: Sachiyo Suzuki, Toshifumi Otsubo
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Patent number: 7717894Abstract: A liquid-absorbent sheet containing: a liquid-absorbent surface material mainly containing a pulp; a liquid-absorbent nonwoven fabric; a liquid-absorbent rear material mainly containing a pulp; and a super absorbent polymer; wherein the super absorbent polymer is disposed at least between the liquid-absorbent surface material and the liquid-absorbent nonwoven fabric as an A layer and between the liquid-absorbent nonwoven fabric and the liquid-absorbent rear material as a B layer, the super absorbent polymer being contained in a total amount of 200 to 400 g/m2, which is allocated in the A layer at 30 to 50% by mass, the liquid-absorbent nonwoven fabric layer at 0 to 40% by mass, and the B layer at 30 to 70% by mass, and the content ratio of the super absorbent polymer in the A layer is less than or equal to the content ratio of the super absorbent polymer in the B layer.Type: GrantFiled: October 11, 2006Date of Patent: May 18, 2010Assignees: Oji Paper Co., Ltd., Oji Kinocloth Co., Ltd.Inventors: Hideki Ikeda, Masaki Okada
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Publication number: 20100114055Abstract: A disposable diaper is provided with a skin-contactable sheet piece above a liquid-pervious topsheet. The skin-contactable sheet piece is formed with openings extending in a back-and-forth direction through which body waste is guided toward the topsheet and both lateral zones of the sheet piece on both sides of these openings as viewed in a transverse direction B are provided with elastic members attached under tension. Outside the skin-contactable sheet piece as viewed in the transverse direction B, leak-barriers are provided and the lateral zones of the skin-contactable sheet piece are bonded to the leak-barriers along regions defined between proximal edges and free edges of the respective leak-barriers.Type: ApplicationFiled: February 18, 2008Publication date: May 6, 2010Applicant: UNI-CHARM CORPORATIONInventors: Hironao Minato, Kaiyo Nakajima, Naoko Takada