With Means To Direct Body Fluid Patents (Class 604/385.101)
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Patent number: 8915898Abstract: An absorbent article includes a body side liner, a back sheet, an absorbent body positioned between the body side liner and the back sheet, and a distribution layer positioned between the absorbent body and the back sheet. The absorbent body defines a first opening having an opening length that is at least 50% the absorbent body length. The first opening has a median anterior portion width that is greater than a median central portion width that is greater than a median posterior portion width. The first opening includes a well, a channel, and a taper. The well transitions into the channel via a first convex transition and a concave transition. The channel transitions into the taper via a second convex transition.Type: GrantFiled: March 5, 2012Date of Patent: December 23, 2014Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Jessica Annette Ives Dieringer, Cheri Lee Paul
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Patent number: 8882735Abstract: An absorbent article has a longitudinal direction, a transverse direction, a first major surface which forms a body-facing surface of the absorbent article, and a second major surface disposed distally from the first major surface which forms a garment-facing surface of the absorbent article. The article includes an absorbent core positioned between the first major surface and the second major surface. The article also includes at least one barrier structure having an inward-facing side and an outward-facing side, and at least one liquid shrinkable string. The at least one barrier structure is disposed on the first major surface, and the inward-facing side of the at least one barrier structure is attached to the absorbent article. In addition, a first portion of the at least one liquid shrinkable string is attached to the at least one barrier structure.Type: GrantFiled: December 16, 2008Date of Patent: November 11, 2014Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Yein Sze Ong, Meijia Ng, Priscilla Eng Choo Goh, Kwee Ling Cheng, DooHong Kim, Franz Aschenbrenner
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Patent number: 8878000Abstract: An absorbent article having a front end region, a rear end region, a central region disposed between the front and rear end regions, a fluids source area, and a transverse axis and a longitudinal axis. The absorbent article includes a topsheet, a backsheet, an absorbent core disposed between the topsheet and the backsheet, and a reinforcing structure disposed within the central region. In one aspect of the invention, the reinforcing structure includes a pair of traverse reinforcing elements each of which is formed by two traverse channels. The two traverse channels may be disposed generally parallel to the transverse axis with a reinforcement distance such that the absorbent core has an average density of in the range of about 5% to about 500% higher at the traverse reinforcing element than the fluids source area.Type: GrantFiled: June 17, 2013Date of Patent: November 4, 2014Assignee: The Procter & Gamble CompanyInventors: Atsushi Ueminami, Maki Hasegawa
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Patent number: 8859842Abstract: An absorbent article with topsheet, backsheet and absorbent core having an embossment region on the body facing side thereof and two spaced apart, longitudinally extending depression regions on the garment facing side thereof, including an adhesive pattern applied by a spray method directly onto the backsheet that intersects the depression regions and a release paper operatively attached to the adhesive pattern.Type: GrantFiled: October 28, 2010Date of Patent: October 14, 2014Assignee: The Procter & Gamble CompanyInventors: Gregory J. Wilson, Rong Deng, Steve J. Waas
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Patent number: 8858522Abstract: The present invention generally relates to absorbent articles and in particular to an absorbent article including a liquid permeable cover layer, a liquid impermeable barrier layer, an absorbent core arranged adjacent to the cover layer, a transfer layer arranged between the core and the barrier layer, the absorbent core including an upper surface and a lower surface and a material-free zone extending from the upper surface to the lower surface.Type: GrantFiled: March 1, 2013Date of Patent: October 14, 2014Assignee: McNeil-PPC, Inc.Inventors: Kofi Bissah, Paul Davies, Francisco J. V. Hernandez, Fernanda Wiermann Paques
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Publication number: 20140296815Abstract: A topsheet layer material for use on an absorbent article includes a longitudinal direction, a transverse direction and a depth direction and comprises a planar sheet. The topsheet layer material includes visually and spatially coordinated embossed channels and apertures. The embossed channels are curvilinear indentations configured along either the longitudinal, the transverse direction, or a combination of longitudinal and transverse directions. The apertures are positioned along the topsheet layer material laterally adjacent to the channels such that at least a portion of the apertures have an overall shape configuration that is substantially similar or the same as at least a portion of the shape of the embossed channel. Such coordinated aperture configuration may also be generally concentric with or generally parallel to the embossed channels.Type: ApplicationFiled: March 28, 2013Publication date: October 2, 2014Applicant: Kimberly-Clark Worldwide, Inc.Inventors: Wendy M. Takken, Hue Scott Snowden, Adrienne R. Loyd, Heidi B. Hopkins, Ramona Zenkich, Katie A. Boland
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Patent number: 8834441Abstract: An undergarment, such as a diaper, includes a hidden central core pocket for receipt of an absorbent pad. The pocket is formed between an inner, fluid permeable layer and a fluid isolation layer. The fluid isolation layer is attached to the inner or anchor layer and is located between the inner layer and an outer layer to which the inner layer is attached. The pocket is narrower than the outer to isolate fluids from edges of the outer layer and from diaper leg openings. Both the fluid isolation layer and the outer layer may be fluid resistant to provide additional protection against leakage. Adjustment fasteners on the outside of the outer shell permit size adjustment for the diaper and the adjustment fasteners are positioned within the periphery of the pocket so that presence of the absorbent pad will enhance comfort.Type: GrantFiled: October 15, 2010Date of Patent: September 16, 2014Inventor: Fredrica V. Coates
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Patent number: 8777918Abstract: A disposable absorbent wearing article constructed with an absorbent core that may be deformed to form absorbent barriers against body waste and thereby an absorbent chassis that includes the absorbent core may be kept in contact with the wearer's torso with good fitness to improve appearance of the article put on the wearer's body and to prevent leak of body waste. The disposable absorbent wearing article comprising an absorbent chassis and an annular elasticized waist panel wherein the absorbent core of the absorbent chassis is formed with deformation guides so that at least opposite lateral regions of said absorbent core may be deformed along the deformation guides toward the wearer's torso under elastic contraction of at least a front waist panel constituting the annular waist panel.Type: GrantFiled: February 18, 2009Date of Patent: July 15, 2014Assignee: Unicharm CorporationInventors: Seiichi Kuwano, Yoshio Ono
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Patent number: 8777915Abstract: A reusable diaper may include an inner layer to wick moisture and an outer layer substantially impervious to liquids. A waist portion may include a corner region for securing the diaper in a desired position. The corner region may be resiliently stretchable and substantially impervious to liquids, and may include first and second layers coupled to the respective inner and outer layers. The coupled first layer and inner layer define a first seam allowance, and the coupled second layer and outer layer define a second seam allowance. The first and second seam allowances may be positioned within the corner region to help inhibit wicking of liquid through the seam allowances into the corner region. And a fluid-resistant region may be provided to help resist wicking of moisture through the inner layer past the fluid-resistant region.Type: GrantFiled: September 27, 2011Date of Patent: July 15, 2014Inventors: Jennifer Lynn Labit, James Andrew Labit
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Patent number: 8772570Abstract: A liquid-absorbent structure configured to prevent a liquid-absorbent core material from being unevenly distributed and thereby to assure that bodily fluids can be smoothly absorbed by the liquid-absorbent structure. According to one embodiment the present invention provides a panty liner that includes a topsheet lying on a side facing the wearer's body, a backsheet facing the wearer's garment and a liquid-absorbent structure sandwiched between these sheets. A first inner surface of a first sheet forming the liquid-absorbent structure is coated with adhesives to form a plurality of first bonding regions and a second inner surface of a second sheet is coated with adhesives to form a plurality of second bonding regions. Each of the first non-bonding regions lies between each pair of the first bonding regions, and each of the second non-bonding regions lies between each pair of the second bonding regions.Type: GrantFiled: October 19, 2009Date of Patent: July 8, 2014Assignee: Unicharm CorporationInventors: Yasuke Kawakami, Akane Sakai, Ayako Akahira
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Patent number: 8771247Abstract: An absorbent article that is favorable in the erection stability of gathers and excels in transversal leakage preventing effects. A pair of gathers of an absorbent article has a three-dimensional configuration part. The three-dimensional configuration part is formed so as to construct a hollow. A first junction edge portion is formed on the inward side in the width direction of the absorbent article and a second junction edge portion is provided on the outward side in the width direction of the absorbent article. The first junction edge portion is located on the area of the surface layer on which the absorbent body is disposed. The second junction edge portion, in at least the area where the pair of wings are disposed, is located on the area of the surface layer and/or backside layer more outward in the width direction than the periphery of the absorbent body.Type: GrantFiled: June 23, 2008Date of Patent: July 8, 2014Assignee: Uni-Charm CorporationInventors: Takashi Nomoto, Masashi Uda, Hideaki Morita
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Patent number: 8764720Abstract: An absorbent article comprising an absorbent body including a top sheet, a back sheet and an absorbent laminate disposed between the top sheet and the back sheet, wherein: the absorbent body has a longitudinal direction and a width direction; the absorbent laminate comprises a fiber assembly layer containing pulp fibers, and a sheet-shaped absorbent layer containing an absorbent polymer but not containing a pulp fiber between nonwoven fabric sheets; the absorbent article is folded at a fold line extending in the width direction; and the fiber assembly layer has an opening on the fold line.Type: GrantFiled: November 2, 2010Date of Patent: July 1, 2014Assignee: Livedo CorporationInventor: Makiko Urushihara
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Patent number: 8764719Abstract: The present invention generally relates to absorbent articles and in particular to an absorbent article including a liquid permeable cover layer, a liquid impermeable barrier layer, an absorbent core arranged adjacent to the cover layer, a transfer layer arranged between the core and the barrier layer, the absorbent core including an upper surface and a lower surface and a material-free zone extending from the upper surface to the lower surface.Type: GrantFiled: September 4, 2009Date of Patent: July 1, 2014Assignee: Johnson & Johnson Ind. E Com. LtdaInventors: Kofi Bissah, Paul Davies, Francisco J. V. Hernandez, Fernanda Wiermann Paques
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Patent number: 8765250Abstract: A composite particularly suited for use as a transfer layer in an absorbent article has a first layer comprising a formed film having a plurality of capillary-sized apertured protuberances and a plurality of two-dimensional drains, and a second layer in intimate contact with an apertured end of said capillary-sized protuberances and spaced from the first layer in a z-direction, the second layer is either a three-dimensional apertured formed film or a nonwoven web. In embodiments where the second layer is a three-dimensional formed film, the film contains a plurality of capillary sized protuberances that are of smaller diameter compared to the protuberances in the first layer and optionally also contains a plurality of drains, which can be either two-dimensional or three-dimensional, or combinations thereof.Type: GrantFiled: February 15, 2013Date of Patent: July 1, 2014Assignee: Tredegar Film Products CorporationInventors: Rickey J. Seyler, William C. Ancarrow, III
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Patent number: 8758317Abstract: An absorbent article that realizes favorable erection of gathers and excels in transversal leakage preventing effects. There is disclosed a vertically long absorbent article comprising a surface layer with surface sheet (2), a backside layer with backside sheet (3), an absorbent layer with absorbent body (4) interposed therebetween and a pair of gathers (5,5) formed of a sheetlike member (9) so as to have a hollow on both the side areas of the surface layer in the longitudinal direction thereof. The pair of gathers (5,5) in the state of having a three-dimensional configuration part (10) wherein the sheetlike member (9) makes a convex on the external surface side of the absorbent article in the thickness direction thereof are joined to the surface layer and/or backside layer by a junction portion (11) provided so as to extend in the longitudinal direction of the absorbent article. The three-dimensional configuration part (10) is provided so as to construct a hollow.Type: GrantFiled: June 23, 2008Date of Patent: June 24, 2014Assignee: Uni-Charm CorporationInventors: Takashi Nomoto, Masashi Uda, Hideaki Morita, Kenji Ohba, Yuichi Suzuki
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Publication number: 20140171894Abstract: A bodily fluid absorbent matrix adapted to restrict a wet feeling against the wearer's skin after the absorbent matrix in a bodily fluid absorbent wearing article having absorbed bodily fluids and a method for manufacturing the absorbent matrix. A bodily fluid absorbent wearing article has an absorbent matrix formed of aggregate of bodily fluid absorbent material between a liquid-permeable first sheet and a liquid-impermeable second sheet. The member includes hydrophilic fibers as the bodily fluid absorbent material. Density of the absorbent matrix changes so as to increase from the first sheet toward the second sheet in thickness direction of the absorbent matrix. A planar orientation index of the hydrophilic fibers also changes so as to increase in the thickness direction of the absorbent matrix.Type: ApplicationFiled: July 27, 2012Publication date: June 19, 2014Inventors: Kou Detani, HIroki Goda
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Publication number: 20140171898Abstract: An absorbent article comprising a raised barrier is provided. The raised barrier extends into a front waist region, a crotch region, and a back waist region of the absorbent article.Type: ApplicationFiled: December 18, 2012Publication date: June 19, 2014Applicant: THE PROCTER & GAMBLE COMPANYInventors: Nelson Edward Greening, II, Marie B. O'Reilly, Barry Robert Feist, Lisa J. Goodlander, Rachael Eden Walther, Tina Maria Glahn, Kathleen Quinlan Ames-Ooten, Sue Ann Mills, Vera Hille, Nicolette Johanna Birgitta Maria Vanderklaauw, Donald Carroll Roe, Sharon Irene Grenberg, Alfred Grant Edwards, Bruce J. Bader, Robert Christopher Frost
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Publication number: 20140163502Abstract: An absorbent core (28) and an absorbent article (20) comprising the core. The absorbent core comprises a core wrap (16, 16?) enclosing an absorbent material (60), wherein the absorbent material comprises at least 80% of superabsorbent polymers (“SAP”) by weight of the absorbent material. The absorbent core has a Relative Wet Caliper Increase (RWCI) after compression of less than 10% as measured by the Wet Caliper And Compression Force (WCACF) Test as described herein, and wherein the core wrap (16, 16?) is at least partially sealed so that substantially no absorbent material leaks out of the core wrap while performing the WCACF Test.Type: ApplicationFiled: December 9, 2013Publication date: June 12, 2014Applicant: The Procter & Gamble CompanyInventors: Blanca ARIZTI, Ernesto BIANCHI, Bruno Johannes EHRNSPERGER, Hans Adolf JACKELS, Carsten Heinrich KREUZER, Rodrigo ROSATI
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Publication number: 20140163511Abstract: The present disclosure is directed, in part, to an absorbent article comprising an absorbent core disposed at least partially intermediate the topsheet and the backsheet and comprising a core wrap enclosing an absorbent material. The core wrap comprises a first material and a second material. The first material forms a C-wrap at least partially around the second material. The absorbent material comprises at least 80% of superabsorbent polymers by weight of the absorbent material. The absorbent core comprises a channel substantially free of the superabsorbent polymers and at least partially oriented in a longitudinal direction of the article. The channel has an arcuate portion facing a longitudinal axis of the article. An angle between a tangent line of the arcuate portion and the longitudinal axis is greater than or equal to 20 degrees.Type: ApplicationFiled: December 10, 2012Publication date: June 12, 2014Applicant: THE PROCTER & GAMBLE COMPANYInventors: Donald Carroll Roe, Carsten Heinrich Kreuzer, Rodrigo Rosati, Maja Wciorka
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Publication number: 20140163500Abstract: The present disclosure is directed, in part, to an absorbent article that comprises an absorbent core disposed at least partially intermediate a topsheet and a backsheet and a core wrap enclosing an absorbent material. The core wrap comprises a first material and a second material. The first material forms a C-wrap at least partially around the second material. The absorbent material comprises at least 80% of superabsorbent polymers by weight of the absorbent material. The absorbent core comprises a channel substantially free of the superabsorbent polymers, at least partially oriented in a longitudinal direction of the article, and comprising an arcuate portion. The channel has lateral widths taken parallel to a lateral axis of the article. The profile of the lateral widths of the channel over a longitudinal length of at least 50 mm of the channel taken along the longitudinal axis is substantially constant.Type: ApplicationFiled: December 10, 2012Publication date: June 12, 2014Applicant: THE PROCTER & GAMBLE COMPANYInventors: Donald Carroll ROE, Carsten Heinrich KREUZER, Rodrigo ROSATI
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Publication number: 20140163504Abstract: An absorbent article (20) having an absorbent core comprising at least about 80% of superabsorbent polymers (SAP) by weight of its absorbent material. An acquisition-distribution system (ADS) (50) is at least partially disposed between the absorbent core and the topsheet. The ADS extends in the longitudinal direction of the absorbent article at least from a point A1 disposed at a distance D from the front edge to a point A2 disposed at a distance D from the back edge of the article, D being equal to 32% of the length L of the article. The ADS has a basis weight which may be at least 20% lower at the point A2 than at the point A1.Type: ApplicationFiled: December 9, 2013Publication date: June 12, 2014Applicant: The Procter & Gamble CompanyInventors: Ernesto Gabriel BIANCHI, Manuela Ines SCHNEIDER, Gemma BAQUER MOLAS, Nguyen Huynh-Trang LE
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Publication number: 20140163503Abstract: An absorbent article having an absorbent core comprising a core wrap (16, 16?) enclosing an absorbent material (60), which comprises at least 80% of superabsorbent polymers (“SAP”) by weight. The absorbent core further comprises at least one channel (26, 26?) and an acquisition-distribution system (ADS) between the topsheet and the absorbent core, the ADS comprising one, two or more layers wherein the ADS does not comprise a layer comprising at least 50% by weight of synthetic fibers and having a basis weight above 150 gsm.Type: ApplicationFiled: December 9, 2013Publication date: June 12, 2014Applicant: The Procter & Gamble CompanyInventors: Blanca ARIZTI, Ernesto Bianchi, Bruno Johannes Ehrnsperger, Hans Adolf Jackels, Carsten Heinrich Kreuzer, Rodrigo Rosati
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Patent number: 8734416Abstract: An absorbent article having a longitudinal direction, a transverse direction, a front portion, a rear portion, and a crotch portion located between the front portion and the rear portion. The article includes an absorption member having an upper side intended to face a wearer during use of the article and a lower side intended to face away from the wearer during use of the article, and a stiffening element that, at least during use of the article, provides the article with a predetermined shape that enhances the fit of the article to the wearer's body. The stiffening element is secured to the lower side of the absorption member such that an outer side of the stiffening element faces away from the absorption member. The stiffening element includes a material exhibiting mechanical fastening properties at least on a part of the outer side of the stiffening element.Type: GrantFiled: March 6, 2009Date of Patent: May 27, 2014Assignee: SCA Hygiene Products ABInventor: Solgun Drevik
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Patent number: 8728049Abstract: An absorbent article having a topsheet and an absorbent core. The topsheet has a pair of tuft region lateral boundaries. Each tuft region lateral boundary is defined by a line or a portion of a line separating a plurality of the tufts from a portion of the topsheet devoid of tufts. Tuft region lateral boundaries are symmetrically disposed on opposing sides of the longitudinal centerline. Tuft region lateral boundaries extend longitudinally along at least part of the longitudinal centerline. Tuft region lateral boundaries are spaced apart from each other by a distance gradually increasing from a minimum at a parallel transverse axis to a maximum at longitudinally opposing ends of the tuft region lateral boundaries or are spaced apart from each other by a distance gradually decreasing from a maximum at a parallel transverse axis to a minimum at longitudinally opposing ends of the tuft region lateral boundaries.Type: GrantFiled: March 31, 2009Date of Patent: May 20, 2014Assignee: The Procter & Gamble CompanyInventors: John Lee Hammons, Sybille Fuchs, Luisa Valerio Gonzalez
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Patent number: 8729333Abstract: An absorptive article 1 includes a liquid-permeable top sheet 20, a liquid impermeable back sheet 30, and an absorber 50 disposed between the top sheet 20 and the back sheet 30. The absorber 50 has a layered structure including an upper absorbent layer 511 disposed on the side of the top sheet 20 and a lower absorbent layer 512 disposed on the side of the back sheet 30. The upper absorbent layer 511 is composed of virgin pulp and virgin polymer, and the lower absorbent layer 512 contains recycled pulp and recycled polymers.Type: GrantFiled: September 16, 2010Date of Patent: May 20, 2014Assignee: Daio Paper CorporationInventor: Yuiko Nakatani
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Patent number: 8715260Abstract: An absorbent article having a longitudinal direction and a transverse direction, a front portion, a rear portion and a crotch portion located between the front portion and the rear portion. The article includes an absorption member having an upper side intended to face a wearer during use of the article and a lower side intended to face away from the wearer during use of the article, and a stiffening element that, at least during use of the article, provides the article with a predetermined shape that enhances the fit of the article to the wearer's body. The stiffening element is secured to the upper side of the absorption member such that an outer side of the stiffening element faces away from the absorption member. The stiffening element includes a material exhibiting mechanical fastening properties on its outer side.Type: GrantFiled: March 6, 2009Date of Patent: May 6, 2014Assignee: SCA Hygiene Products ABInventor: Solgun Drevik
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Patent number: 8715258Abstract: An absorbent article having a pair of longitudinal edges, front and rear transverse edges, a front end region, a rear end region, and a central region disposed between the front and rear end regions. The absorbent article has a liquid pervious topsheet, a liquid impervious backsheet, an absorbent core disposed between the topsheet and the backsheet, and a pair of outwardly convex longitudinal central channels formed at least in the central region. The traversal distance of the pair of outwardly convex longitudinal central channels decreases towards both ends of the channels to define a central closed area. The absorbent article has a rear channel defining a rear closed area in the rear end region. The absorbent core is profiled within the central closed area so that the central region has a caliper that is greater than the caliper of the outside of the central closed area.Type: GrantFiled: November 30, 2005Date of Patent: May 6, 2014Assignee: The Procter and Gamble CompanyInventors: Yoko Munakata, Kiyoe Ohba
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Patent number: 8716547Abstract: A stretch laminate having a first substrate is adhesively attached to an elastic film. The adhesive is applied in a continuous manner to the substrate in a first tack down region which is disposed proximate to an end of the stretch laminate. The adhesive is applied as a plurality of adhesive stripes in an activation region which is interior of the first tack down region. The adhesive stripes have a width and a distance between adjacent adhesive stripes. The ratio of stripe width to distance between the adhesive stripes is in the range of less than about 1 or greater than about 0.33.Type: GrantFiled: May 13, 2005Date of Patent: May 6, 2014Assignee: The Procter & Gamble CompanyInventors: Anand Rudra Venkitaraman, George Stephen Reising
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Patent number: 8708988Abstract: The present disclosure provides an absorbent article including an absorbent core and at least one barrier structure having a fluid shrinkable string attached thereto, wherein insult of the fluid shrinkable string by the user causes deformation of the peripheral edge of the barrier structure in the z-direction forming a leakage barrier between the user and the peripheral edge of the barrier structure.Type: GrantFiled: December 3, 2010Date of Patent: April 29, 2014Assignee: Kimberly-Clark Worldwide, Inc.Inventor: Meijia Ng
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Patent number: 8702668Abstract: A catamenial device. The device has a topsheet having a body facing surface, a backsheet joined to said topsheet, and an absorbent core disposed between the topsheet and the backsheet, wherein the absorbent core having three zones differing in stiffness, at least one of the zones including laterally-oriented portions where material from the core has been removed, the portions defining slots.Type: GrantFiled: June 8, 2012Date of Patent: April 22, 2014Assignee: The Procter and Gamble CompanyInventor: John Richard Noel
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Patent number: 8704036Abstract: A sanitary napkin has a facing layer joined to a backsheet, and an absorbent core disposed between the facing layer and backsheet. The facing layer has a first region comprising a plurality of apertures, and a second region comprising a plurality of raised, out-of-plane deformations that can be soft, resilient, rib-like elements. In one embodiment, the sanitary napkin also comprises a deep-embossed channel.Type: GrantFiled: August 26, 2011Date of Patent: April 22, 2014Assignee: The Procter and Gamble CompanyInventors: John Lee Hammons, Susan Nicole Lloyd, Stewart Lawrence Taub
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Patent number: 8697936Abstract: An intravaginal device has a fluid storage element and at least one fluid transport element in fluid communication with the fluid storage element. The at least one fluid transport element has a first plate and a second plate coupled to the first plate. The second plate is capable of separating from the first plate sufficiently to provide inter-plate capillary action. The at least one fluid transport element is bendable about an axis substantially parallel to the longitudinal axis of the fluid storage element. The invention also includes methods and apparatus useful in the production of an intravaginal device.Type: GrantFiled: March 12, 2010Date of Patent: April 15, 2014Assignee: McNeil-PPC, Inc.Inventors: Curt Binner, Samuel C. Carasso, David J. Chase, Erin Marsee, Tara Glasgow, David L. Kimball, Julia K. Iris, Tony C. Ng
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Patent number: 8686217Abstract: An absorbent product has a top sheet, an absorbent core and a back sheet. The absorbent core includes 40% by weight or more of high absorbent resin powder and it is possible to slim down the absorbent core while keeping a sufficient amount of absorption to thereby achieve slimming down of the absorbent product. A top sheet lower part contacting the high absorbent resin powder in the absorbent core includes hydrophilic fibers having water retention characteristics, and moisture is temporarily retained in the top sheet lower part before reaching the absorbent core and rapidly disperses in a range facing the absorbent core of the top sheet lower part. As a result, it is possible to reliably absorb the moisture of excrement in the absorbent core and to simplify a structure of the absorbent product.Type: GrantFiled: August 31, 2012Date of Patent: April 1, 2014Assignee: Livedo CorporationInventors: Kenichi Uchimoto, Yasuji Yasumitsu
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Patent number: 8684990Abstract: A simple disposable pant-like garment includes an absorbent assembly attached to a chassis. The absorbent assembly includes an absorbent core that may contain superabsorbent particles, which may be contained inside pockets. The absorbent assembly is folded laterally inward at both of its side edges to form laterally opposing side flaps. Each side flap is attached to an interior surface of the absorbent assembly adjacent to its end edges. A longitudinally extending elastic gathering member is attached to each side flap adjacent to its proximal edge. When the article is worn, the elastic gathering members contract and raise the side flaps to form breathable side barriers. The chassis includes a water-impermeable sheet and may be extensible. The absorbent assembly may be attached in a cruciform pattern such that portions of the chassis that lie outside the attachment pattern are not restrained by attachment to the absorbent assembly and therefore remain extensible.Type: GrantFiled: September 12, 2005Date of Patent: April 1, 2014Assignee: The Procter & Gamble CompanyInventors: Gary Dean LaVon, Pankaj Nigam
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Patent number: 8669411Abstract: A sanitary napkin including a body-facing cover layer and an absorbent system adjacent the cover layer for receiving liquid therefrom, the napkin having enhanced fluid handing and masking properties.Type: GrantFiled: July 19, 2005Date of Patent: March 11, 2014Assignee: Eveready Battery Company, Inc.Inventor: William G. F. Kelly
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Publication number: 20140052087Abstract: The present disclosure, in part, relates generally to an absorbent article to be worn about the lower torso. The absorbent article comprises a chassis comprising a topsheet, a backsheet, an absorbent core disposed between the topsheet and the backsheet, and a pair of longitudinal barrier cuffs attached to the chassis. Each of the longitudinal barrier cuffs is formed of a web of material. The web of material comprises a first nonwoven component layer comprising fibers having an average diameter in the range of about 8 microns to about 30 microns, a second nonwoven component layer comprising fibers having an average diameter of less than about 1 micron, and a third nonwoven component layer comprising fibers having an average diameter in the range of about 8 microns to about 30 microns. The second nonwoven component layer is disposed intermediate the first nonwoven component layer and the third nonwoven component layer.Type: ApplicationFiled: August 28, 2013Publication date: February 20, 2014Applicant: The Procter & Gamble CompanyInventors: Rajeev Chhabra, Calvin Hoi Wung Cheng, Olaf Erik Alexander Isele, DeeAnn Ling Nelson
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Patent number: 8653322Abstract: An intravaginal device has a fluid storage element having a longitudinal axis and is in fluid communication with at least one fluid transport element. The at least one fluid transport element has a first plate having an outwardly oriented surface and an inwardly oriented surface and a second plate coupled to the first plate. The second plate has a first surface disposed and maintained in facing relationship with the inwardly oriented surface of the first plate and an opposite surface. The second plate is capable of separating from the first plate sufficiently to provide inter-plate capillary action. The at least one fluid transport element is bendable about an axis substantially parallel to the longitudinal axis of the fluid storage element.Type: GrantFiled: May 14, 2004Date of Patent: February 18, 2014Assignee: McNeil-PPC, Inc.Inventors: David J. Chase, Erin Marsee, Mari Hou, Tara Glasgow, Julia K. Iris, Jennifer Sturgeon
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Publication number: 20140031783Abstract: A disposable wearing article includes a central curving unit that allows the absorber to curve in the inner direction in a convex shape is formed in the center of the absorber, a pair of first curving units along the front-back direction that allow the absorber to curve in the outer direction in a convex shape is formed outboard of the central curving unit of the absorber, a pair of second curving units along the front-back direction that allow the absorber to curve in the inner direction in a convex shape is formed outboard of the first curving unit of the absorber, and a front end of the central curving unit is positioned posteriorly of a front end of a second curving unit.Type: ApplicationFiled: February 9, 2012Publication date: January 30, 2014Applicant: UNICHARM CORPORATIONInventors: Takaya Arayama, Hirotomo Mukai
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Patent number: 8603058Abstract: An absorbent article generally has a longitudinal axis, a lateral axis, a front waist region, a back waist region, and a crotch region extending longitudinally between and interconnecting said front and back waist regions. The article comprises an outer cover stretchable in at least the lateral direction and a liner in opposed relationship with the outer cover and stretchable in at least the lateral direction. An absorbent structure is disposed between the liner and the outer cover and extends from the crotch region to at least one of the front waist region and the back waist region of the article. The article has an attachment zone and at least one non-attachment zone laterally adjacent the attachment zone. The absorbent structure is configured for improved lateral stretch distribution of the article.Type: GrantFiled: June 28, 2012Date of Patent: December 10, 2013Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Michael D. Sperl, Davis Dang Hoang Nhan
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Patent number: 8604269Abstract: An intravaginal device has a fluid storage element having a longitudinal axis and is in fluid communication with at least one fluid transport element. The at least one fluid transport element has a first plate having an outwardly oriented surface and an inwardly oriented surface and a second plate coupled to the first plate. The second plate has a first surface disposed and maintained in facing relationship with the inwardly oriented surface of the first plate and an opposite surface. The second plate is capable of separating from the first plate sufficiently to provide inter-plate capillary action. The at least one fluid transport element is bendable about an axis substantially parallel to the longitudinal axis of the fluid storage element.Type: GrantFiled: March 12, 2009Date of Patent: December 10, 2013Assignee: McNeil-PPC, Inc.Inventors: David J. Chase, Erin Marsee, Mari Hou, Tara Glasgow, Julia K. Iris, Jennifer Sturgeon
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Patent number: 8591490Abstract: To provide an absorbent article that is small and can effectively absorb fluid. The absorbent article includes: an absorbent body having a fluid-absorbent member for absorbing fluid; and an absorbent article main body on which the absorbent body is overlapped with along a longitudinal direction, in which the fluid-absorbent member of the absorbent body is projected in the longitudinal direction from an outer circumferential edge of the absorbent article main body.Type: GrantFiled: November 19, 2007Date of Patent: November 26, 2013Assignee: Uni-Charm CorporationInventors: Jun Kudo, Hideyuki Kinoshita, Akira Hashino
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Patent number: 8581020Abstract: A film particularly suited for use as a transfer layer in an absorbent article has a plurality of capillaries and a plurality of drains, said capillaries comprising side walls depending from a female side of the film and terminating in an aperture on a male side of the film; said drains comprising side walls that depending from the female side of the film and terminating in an aperture on the male side of the film, wherein the drains are disposed at an obtuse angle relative to a base plane of the film.Type: GrantFiled: January 28, 2010Date of Patent: November 12, 2013Assignee: Tredegar Film Products CorporationInventors: Rickey J. Seyler, Gregory M. Rieker
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Patent number: 8574209Abstract: An absorbent article includes liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorber sandwiched between the top sheet and back sheet, wherein the top sheet is composed of a nonwoven fabric, and the region of the top sheet that contacts the site of discharge is the low density section of the nonwoven fabric with a lower apparent density than the other regions of the top sheet. The thickness of the low density section of the top sheet is larger than the thickness of the sections other than the low density section of the top sheet, and the basis weight of the low density section of the top sheet is equal to the basis weight of the sections other than the low density section of the top sheet.Type: GrantFiled: April 8, 2009Date of Patent: November 5, 2013Assignee: Unicharm CorporationInventors: Kazuya Nishitani, Minako Sagisaka
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Patent number: 8575419Abstract: A feminine hygiene article for external use having on their body-facing surface at least one embossed wavy pattern and at least one non-embossed, preferably colored, wavy pattern. The embossed and non-embossed wavy patterns are chosen with specific geometric parameters so that a slight lateral or longitudinal shift does not affect the overall appearance of the body-facing surface.Type: GrantFiled: April 4, 2007Date of Patent: November 5, 2013Assignee: The Procter and Gamble CompanyInventors: Maurizio Di Virgilio, Cornelia Ecker, Ivano Gagliardi, Peter Charles Mason, Jr., Vincenzo Partenza, Paolo A. Veglio
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Patent number: 8569571Abstract: A wearable absorbent article comprises an outer cover and an absorbent core assembly. At least a portion of the outer cover is joined to the absorbent core assembly over at least a first attachment area and a second attachment area. The overall lateral width of the second attachment area is less than the overall lateral width of the first attachment area. At least a portion of the second attachment area is disposed in a hip region of the article. The first attachment area is disposed longitudinally outboard from the second attachment area.Type: GrantFiled: February 27, 2012Date of Patent: October 29, 2013Assignee: The Procter & Gamble CompanyInventors: Mark James Kline, Nezam Malakouti, John Glasgow Burns, Jr.
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Publication number: 20130281953Abstract: An absorbent article for feminine hygiene, comprising: a body contacting layer; a garment contacting layer; and an absorbent core disposed between the body contacting layer and the garment contacting layer. The absorbent core has a core edge. The core edge defines a core region within the core edge and an outer region outside the core region. The body contacting layer and the garment contacting layer extend outward into the outer region and joined together in the outer region. The garment contacting layer may have a graphic printed on the body facing surface or the body contacting layer may have a graphic printed on the garment facing surface. The body contacting layer has a first light transmittance so that the graphic can be seen through the body contacting layer.Type: ApplicationFiled: June 5, 2013Publication date: October 24, 2013Applicant: THE PROCTER & GAMBLE COMPANYInventor: The Procter & Gamble Company
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Publication number: 20130274701Abstract: An absorbent article having a leakage preventing wall that includes a fixing unit and an erection unit. A heightened middle unit is disposed inside in the longitudinal direction more than a wing unit. Fold positions are provided in proximity to a base position of the wing unit. An end pan in the longitudinal direction of compression grooves are configured so as to be disposed outside in the longitudinal direction more than an end part in the longitudinal direction of the erection unit. The end part in the longitudinal direction of the erection unit and a site at which a dimension in the widthwise direction W is the greatest in the compression groove are disposed in proximity to the base position of the wing unit.Type: ApplicationFiled: September 9, 2011Publication date: October 17, 2013Inventors: Toshihisa Hayashi, Tatsuya Tamura, Nobuyuki Kato
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Patent number: 8556875Abstract: The invention provides an absorbent laminate for absorbing a body fluid and usable for a disposable absorbent article, in which the absorbent laminate comprises an upper layer absorbent body and a lower layer absorbent body, the upper layer absorbent body has at least one opening part extended continuously or discontinuously in the longitudinal direction of the upper layer absorbent body, and the maximum width W1 of the opening part is 40% or less of the minimum width W2 of the upper layer absorbent body. The invention also provides a disposable absorbent article provided with the absorbent laminate.Type: GrantFiled: January 24, 2007Date of Patent: October 15, 2013Assignee: Livedo CorporationInventors: Yuki Takahashi, Akiko Tatsukawa
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Publication number: 20130267926Abstract: To provide an absorbent article that can further reduce leakage of body fluid from an end portion in a longitudinal direction. An elongated shaped absorbent article includes: a top sheet that has a skin contacting surface; a back sheet; and an absorbent core that is disposed between the top sheet and the back sheet, in which a compressed groove is formed on the skin contacting surface; the skin contacting surface has an excretory contact region, a front region, and a rear region; the compressed groove has a pair of first central grooves and a first circular groove that is provided in at least any one of the front region and the rear region; and the first circular groove is arranged at a position overlapping a vertical center line.Type: ApplicationFiled: August 30, 2011Publication date: October 10, 2013Applicant: UNI-CHARM CORPORATIONInventors: Katsuhiro Uematsu, Quing Cao, Yukihiro Ito, Hiroyuki Harada, Kazuya Nishitani
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Patent number: 8552252Abstract: A substantially cellulose free absorbent core comprising absorbent polymer material having a saline flow conductivity greater than about 100×10?7 cm3•sec/g and a centrifuge retention capacity of greater than about 20 g/g. A disposable absorbent article is also disclosed.Type: GrantFiled: August 4, 2011Date of Patent: October 8, 2013Inventors: Harald Hermann Hundorf, Holger Beruda, Horst Blessing, Peter Dziezok, Axel Krause, Mattias Schmidt, Lutz Stelzig