Containing Layers Having Differing Absorption Characteristics (e.g., Flow Control, Wicking, Etc.) Patents (Class 604/378)
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Patent number: 12207996Abstract: An underpants-type disposable diaper in which an inlet of a dorsal side barrier is easily opened wider. The above problem is solved by an underpants-type disposable diaper in which a barrier sheet extends to a back side of a position on a front side of a back end of an absorber from the position and extends outward in a width direction from positions of both side edges of the absorber in the width direction is included, the barrier sheet has a free part not bonded to a member on a back surface side and a fixed part bonded to the member on the back surface side, a pocket-shaped dorsal side barrier having an inlet opening to a crotch side is formed by the free part of the barrier sheet, and a torsion hardness of a predetermined part including a back end portion of the absorber is 0.18 to 0.32 N·cm/cm.Type: GrantFiled: May 24, 2019Date of Patent: January 28, 2025Assignee: Daio Paper CorporationInventor: Mina Takaishi
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Patent number: 12201503Abstract: A nonwoven web for an absorbent article is provided. The absorbent article comprises the nonwoven web as a core wrap. A method for producing the absorbent article is also provided. The nonwoven web comprises a first nonwoven layer comprising filament fibers, a second nonwoven layer comprising filaments fibers, a third nonwoven layer comprising staple fibers disposed between the first and second nonwoven layers. A total basis weight of the first and second nonwoven layers is not less than about 10 gsm. The third nonwoven layer has a basis weight no greater than about 4 gsm. The nonwoven web comprises pores, wherein greater than about 80% of the pores have a pore size equal to or smaller than about 40 ?m, and wherein less than about 10% of the pores have a pore size equal to or greater than about 45 ?m.Type: GrantFiled: November 1, 2019Date of Patent: January 21, 2025Assignee: The Procter & Gamble CompanyInventors: Yi Yuan, Paul Thomas Pineda Contreras, Yufei Shan, Gueltekin Erdem, Yibo Fan, Ekaterina Ponomarenko
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Patent number: 12161537Abstract: Water-absorbing resin particles, in which a permeation and spreading index represented by Formula (1) is 10.0 or higher, and a water absorption capacity for a physiological saline solution is 50.0 g/g or more, are disclosed. Formula (1): Permeation and spreading index=value of non-pressurization DW after 1 minute (mL/g)+artificial urine permeation speed when water-absorbing resin particles are swollen 10 times (g/min)??(1).Type: GrantFiled: December 12, 2019Date of Patent: December 10, 2024Assignee: SUMITOMO SEIKA CHEMICALS CO., LTD.Inventor: Hiroki Yabuguchi
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Patent number: 12163264Abstract: A nonwoven fabric. The nonwoven fabric can include a first surface and a second surface and a visually discernible pattern of three-dimensional features on one of the first or second surface. Each of the three-dimensional features can define a microzone comprising a first region and a second region. The first and second regions can have a difference in values for an intensive property, and wherein in at least one of the microzones, the first region is hydrophobic and the second region is hydrophilic.Type: GrantFiled: January 25, 2023Date of Patent: December 10, 2024Assignee: The Procter & Gamble CompanyInventors: Arman Ashraf, Paul Thomas Weisman, Adrien Grenier, Martin Ian James, Stefano Michele Sinigaglia
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Patent number: 12127924Abstract: An apparatus for making a multilayer absorbent element apt to be incorporated in a sanitary article is provided. The apparatus has an embossing roller bearing a plurality of protruding elements, a pierced roller bearing a plurality of protruding elements and cavities, and a unit of cohesion and drilling. The configuration of the apparatus is such that, after a first layer of sheet material is deformed by the embossing roll and the perforated roller continues to slide on the pierced roller, a second layer of sheet material is superimposed. The first and second layer of sheet material are then carried to the joining and piercing unit in which, at the intermediate zones of the first layer, it forms a plurality of holes passing through the first and second layer and joins them near or at the plurality of holes.Type: GrantFiled: November 6, 2018Date of Patent: October 29, 2024Assignee: TEXOL S.R.L.Inventors: Marino Di Berardino, Fabio Di Berardino
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Patent number: 12115053Abstract: An absorbent article comprising a topsheet, a backsheet, and an absorbent core disposed between the topsheet and the backsheet. The absorbent article comprises a first fluid handling zone having a first Transverse Fluid Travel Distance and a second fluid handling zone having a second Transverse Fluid Travel Distance. The first Transverse Fluid Travel Distance is at least about 50% greater than said second Transverse Fluid Travel Distance, which results in an absorbent article that is better able to handle bodily fluids and reduce the risk of accidental leakage of bodily fluids onto a consumer's undergarments.Type: GrantFiled: December 16, 2021Date of Patent: October 15, 2024Assignee: The Procter & Gamble CompanyInventors: John Lee Hammons, Ronald Bosman Visscher, Shreedhar Rajpanth Murthy, Jeffrey Tupper Roesgen
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Patent number: 12090479Abstract: A method for simulataneously separating and detecting aldehydes or ketones from a plurality of samples containing the samein a simple and rapid manner by using a rotary microdevice capable of integrating derivatization and TLC separation of aldehydes and ketones, and the method providing reliable TLC separation, control of moving speed of an eluent on a TLC plate, and improved TLC resolution.Type: GrantFiled: April 8, 2020Date of Patent: September 17, 2024Assignee: LG CHEM, LTD.Inventors: Byung Hyun Park, Byoung Hyoun Kim, Su Youn Han
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Patent number: 12085542Abstract: For providing a method capable of physically and objectively evaluating the consistency and state of a stool, provided is a method for measuring a stool consistency with a texture analyzer provided with a probe, the probe having a shape capable of measuring a consistency of a stool in a liquid form and in a solid form.Type: GrantFiled: December 4, 2019Date of Patent: September 10, 2024Assignee: KABUSHIKI KAISHA YAKULT HONSHAInventors: Takuya Akiyama, Kazunori Matsuda, Junji Fujimoto
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Patent number: 12059334Abstract: Disclosed is an absorbent article with biocompostable properties, such as a baby diaper or adult incontinence product. Particularly, the present invention is directed to a biocompostable absorbent sanitary article including a blend of synthetic and bio-based superabsorbent polymers with a high degree of biocompostability. The sanitary article comprises, in one embodiment, at least a top layer, a back layer, and absorbent core, wherein the absorbent core includes a superabsorbent polymer, and wherein at least the superabsorbent polymer is biocompostable.Type: GrantFiled: September 30, 2020Date of Patent: August 13, 2024Assignee: TETHIS, INC.Inventors: Ryan Nicholas Chan, Gordon Sidney Cox, Hailey Katherine Davis, Vladimiro Nettel
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Patent number: 12053360Abstract: A disposable absorbent hygiene article is provided, comprising a liquid permeable topsheet, a backsheet and an absorbent core disposed between the topsheet and the backsheet. In the article, at least one layer, selected from said topsheet and an optionally present liquid permeable and nonabsorbent layer disposed between said topsheet and said absorbent core, is provided with a dry coating comprising at least one lactone selected from the group consisting of ?- and ?-lactones.Type: GrantFiled: June 7, 2017Date of Patent: August 6, 2024Assignee: ESSITY HYGIENE AND HEALTH AKTIEBOLAGInventors: Ulrika Husmark, Chatrine Stridfeldt
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Patent number: 11974905Abstract: An absorbent member (20) includes an absorbent sheet (10) in which absorbent polymer (12) is fixed to a base sheet (11) and a cover sheet (21) covering at least a first surface of the absorbent sheet (10). The absorbent sheet (10) has an absorbent polymer fixing proportion of 40% or more. The absorbent member (20) has high fixing performance of the absorbent polymer (12) to the base sheet (11) and is less likely to suffer from detachment of the absorbent polymer (12) even after liquid absorption. The absorbent polymer (12) is preferably fixed to the base sheet (11) with a base sheet fixing adhesive (13) interposed therebetween. The adhesive (13) is preferably an acrylic, silicone-based or rubber-based adhesive, and is preferably a hot-melt adhesive.Type: GrantFiled: December 7, 2017Date of Patent: May 7, 2024Assignee: KAO CORPORATIONInventor: Ryota Kuramae
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Patent number: 11957546Abstract: Systems, methods, and apparatuses for treating a tissue site are described. In some embodiments, the system may include a pouch having an upstream layer, a downstream layer, and an absorbent member enclosed between the upstream layer and the downstream layer. The upstream layer and the downstream layer may each include a hydrophobic side and a hydrophilic side. The hydrophilic side of both the upstream layer and the downstream layer may be positioned facing the absorbent member. The hydrophobic side of both the upstream layer and the downstream layer may form a portion of an exterior surface of the pouch such that fluid incident on the pouch is distributed laterally along the exterior surface of the pouch before being absorbed by the absorbent member.Type: GrantFiled: January 2, 2020Date of Patent: April 16, 2024Assignee: 3M Innovative Properties CompanyInventors: Richard Daniel John Coulthard, Timothy Mark Robinson, Christopher Brian Locke
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Patent number: 11931468Abstract: A feminine care absorbent article comprising an absorbent member positioned between a topsheet and a baffle is provided. The absorbent member contains at least one layer that comprises superabsorbent particles containing nanopores having an average cross-sectional dimension of from about 10 to about 500 nanometers.Type: GrantFiled: July 20, 2018Date of Patent: March 19, 2024Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Yuriy Galabura, Austin N. Pickett, WanDuk Lee, Vasily A. Topolkaraev, Palani Raj R. Wallajapet, Cynthia S. Krueger, Mark M. Mleziva, Richmond R. Cohen
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Patent number: 11925536Abstract: A disposable absorbent hygiene product is provided, including a main part having a body facing surface intended to face the body of a user and a garment facing surface intended to face away from the body of a user. The main part includes a liquid permeable topsheet at the body facing surface, a liquid impermeable backsheet at the garment facing surface, and an absorbent assembly arranged between the topsheet and the backsheet. The liquid permeable topsheet material includes a hydrophilically treated polypropylene spunbond nonwoven or spunbond/meltblown composite nonwoven, having a basis weight of from 8 to 20 g/m2. An acquisition layer material is provided sandwiched between said topsheet and said absorbent assembly, being an through air bonded nonwoven.Type: GrantFiled: March 26, 2018Date of Patent: March 12, 2024Assignee: ESSITY HYGIENE AND HEALTH AKTIEBOLAGInventors: Annika Hermenius, Patrik Andersson, Edward Guidotti
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Patent number: 11925539Abstract: A material web having a film layer and a nonwoven layer, along with methods of making the material web, are described. The material web has a plurality of micro-deformations and a plurality of macro-deformations, each of the macro-deformations having a distal end, wherein a first portion of macro-deformations has an open or partially open distal end and wherein a second portion of macro-deformations has distal ends which are configured differently than the distal ends of the first portion, and wherein the material web forms a portion of the topsheet.Type: GrantFiled: August 22, 2019Date of Patent: March 12, 2024Assignee: The Procter & Gamble CompanyInventor: Pietro Cecchetto
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Patent number: 11919678Abstract: An absorbent liner for a handbag or similar storage bag includes a liquid-impermeable base layer having a plurality of foldable peripheral edges that can be formed into peripheral retaining walls. The bottom surface of the base layer is coated with a repositionable adhesive for detachably securing the liner to the bottom surface of the bag. Positioned atop the base layer is a superabsorbent core for collecting and containing spilled fluids. Resting on the absorbent layer is a wicking layer and a top layer that rapidly divert fluids to the absorbent core.Type: GrantFiled: June 9, 2021Date of Patent: March 5, 2024Inventors: Keia T. Pile, Willie Pile
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Patent number: 11890171Abstract: A disposable absorbent article has a topsheet; a backsheet; an absorbent core disposed between the topsheet and the backsheet; and a first plurality of conforming features in at least the absorbent core or a combination of the absorbent core and the topsheet. At least a portion of the are depressions, wherein the depressions have a depression centerline bisecting a length and/or width of the depression. A first strut forms a first sidewall of the depression opposite a second sidewall of the depression formed by a second strut, wherein neither of the first strut nor the second strut extend longitudinally and/or laterally beyond the depression centerline by more than 0.75 mm.Type: GrantFiled: November 6, 2018Date of Patent: February 6, 2024Assignee: The Procter and Gamble CompanyInventors: Christopher Philip Bewick-Sonntag, Shirdish Poondru, John Lee Hammons, Kelyn Anne Arora
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Patent number: 11877917Abstract: An absorbent article includes a liquid permeable topsheet, a liquid impermeable backsheet, an absorbent core being disposed between the topsheet and the backsheet, wherein the absorbent core include san absorbent material disposed in an absorbent deposition area and enclosed in a core wrap. The core further includes a swelling chamber disposed in between two external zones. The absorbent material comprises superabsorbent polymer. One or more permanent seals separate the chamber from each of the two external zones. The swelling chamber consists of absorbent material immobilized by water-responsive bonds, wherein said water-responsive bonds deteriorate upon exposure to water such that the absorbent material is flowable in the wet state; and the two external zones comprise absorbent material that is immobilized by thermoplastic adhesive, such that the absorbent material is immobilized in the wet state.Type: GrantFiled: February 25, 2021Date of Patent: January 23, 2024Assignee: The Procter & Gamble CompanyInventors: Bruno Johannes Ehrnsperger, Christine Elisabeth Zipf, Andrea Peri
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Patent number: 11857397Abstract: A disposable absorbent article is described herein. The disposable absorbent article includes a topsheet, a backsheet, and an absorbent system disposed between the topsheet and the backsheet. At least a portion of the has a plurality of conforming features such that the absorbent article has a blot residual value of less than 30 mg and a bending stiffness of less than 12.Type: GrantFiled: November 6, 2018Date of Patent: January 2, 2024Assignee: The Procter and Gamble CompanyInventors: Christopher Philip Bewick-Sonntag, Shirdish Poondru, John Lee Hammons, Kelyn Anne Arora
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Patent number: 11850124Abstract: A wound dressing that includes a contact layer having walls defining a plurality of perforations and a debriding matrix including a polymer and at least one debriding agent is provided herein. Systems, methods and kits using the wound dressing for debriding a tissue site are also provided herein.Type: GrantFiled: October 19, 2018Date of Patent: December 26, 2023Assignee: 3M Innovative Properties CompanyInventors: Sandra N. Osborne, Christopher A. Carroll
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Patent number: 11850820Abstract: An apertured nonwovens having a first nonwoven layer is described. The first nonwoven layer includes cellulose-based fibers and a plurality of apertures, wherein the plurality apertures have a minimum aperture distance between two adjacent apertures which has a relative standard deviation no greater than about 40%, as measured according to the Aperture Quality Test. The apertures have an aperture size no greater than about 2.2 mm2 and have an occlusion no greater than about 9%, as measured according to the Aperture Quality Test, or the apertures have an aspect ratio no greater than about 2.5 as measured according to the Aspect Ratio Test.Type: GrantFiled: April 15, 2021Date of Patent: December 26, 2023Assignee: The Procter and Gamble CompanyInventors: Xiaoxin Liu, Li Tang, Kun Sun, Fancheng Wang, Meng Chen
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Patent number: 11819393Abstract: An absorbent article is disclosed. The article includes a topsheet formed of a section of formed nonwoven web material having an ordered arrangement of zones, each zone comprising one or more attenuated regions adjacent to one or more built-up regions, wherein the attenuated regions have a first average basis weight and the built-up regions have a second average basis weight, wherein the first average basis weight is less than the second average basis weight, the difference in basis weights corresponding to disposition of the filaments according to the ordered arrangement. The attenuated region(s) may include a plurality of discrete low bulk portions arranged in a pattern disposed along a longitudinal axis of the article, which facilitate z-direction movement of fluid through the topsheet and inhibit spreading of a fluid stain along the topsheet in the x and y directions.Type: GrantFiled: June 19, 2019Date of Patent: November 21, 2023Assignee: The Procter & Gamble CompanyInventors: Kelyn Anne Arora, Arman Ashraf, Misael Omar Aviles, Lennie CruzMurphy, Adrien Grenier, John Lee Hammons, Paul Thomas Weisman, Nathan Ray Whitely
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Patent number: 11813149Abstract: A feminine hygiene pad having a topsheet including a fibrous nonwoven web material having hydrophilic fibers, and an absorbent layer including an open-celled foam formed through polymerization of a high internal phase emulsion (HIPE) is disclosed. The topsheet and the absorbent layer are disposed in direct face-to-face relationship with each other, and attached to each other within a bonding region. Within the bonding region, each first identifiable point of attachment between the topsheet and the absorbent layer has a neighboring second identifiable point of attachment between the topsheet and the absorbent layer within a 6 mm radius of the first identifiable point of attachment.Type: GrantFiled: February 13, 2020Date of Patent: November 14, 2023Assignee: The Procter and Gamble CompanyInventor: Digvijay Rawat
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Patent number: 11801173Abstract: An absorbent hygienic article for absorbing body fluids, the article including a liquid absorbent top layer and a backing layer, the top layer and the backing layer being made from roll materials and being joined together. The top layer is constituted by a cellulosic fibrous web, the fibres in the cellulosic fibrous web being constituted by a mixture of cellulose fibres, the mixture including regenerated cellulose fibres or natural cellulose staple fibres and cellulose pulp fibres, the cellulosic fibrous web being a foam-formed, hydroentangled cellulosic fibrous web.Type: GrantFiled: December 20, 2019Date of Patent: October 31, 2023Assignee: ESSITY HYGIENE AND HEALTH AKTIEBOLAGInventors: Anna Bagger-Sjöbäck, Magdalena Hörle, Philip Blomström, Lars Fingal, Anna Nihlstrand
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Patent number: 11771605Abstract: An absorbent article can have a topsheet layer, a liquid impermeable layer, and an absorbent core positioned between the topsheet layer and the liquid impermeable layer. The absorbent article can further include an exudate management layer in fluid communication with the topsheet layer. In various embodiments, the exudate management layer can be positioned on a body facing surface of the topsheet layer. In various embodiments, the exudate management layer can be positioned between the topsheet layer and the absorbent core. The exudate management layer has a first component which defines an opening for direct passage of body exudates into the absorbent core. The exudate management layer has a second component which at least partially overlaps the first component of the exudate management layer and further extends in the longitudinal direction of the absorbent article in a direction towards the posterior region of the absorbent article.Type: GrantFiled: March 29, 2018Date of Patent: October 3, 2023Assignee: KIMBERLY-CLARK WORLDWIDE, INC.Inventors: Suzanne Marie Schmoker, Heidi Bauerlein Hopkins, Alyssa Kimberly DeYoung, Ellen E. Pelky, Kimberly M. Downs, Andrew Thomas Hammond, Kyle Mark Barriger, Michael Donald Sperl, Russell J. Brumm
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Patent number: 11707390Abstract: An absorbent article having a liquid permeable topsheet, a liquid impermeable sheet, an absorbent core disposed between the topsheet and the backsheet, and a secondary topsheet disposed between the topsheet and the absorbent core is described. The secondary topsheet has a first layer and a second layer. The first layer is located between the topsheet and the second layer, and a mean pore size of the first layer is larger than a mean pore size of the topsheet.Type: GrantFiled: July 24, 2018Date of Patent: July 25, 2023Assignee: The Procter & Gamble CompanyInventors: Fancheng Wang, Tong Jia, Xiaoxin Liu, Zifang An
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Patent number: 11596559Abstract: A system of pantiliners and menstrual pads that can be used to alleviate undesirable conditions associated with dysmenorrhea or other physiological conditions is provided. The pantiliners of the invention include a top layer of composite material, a ventilation layer, and a bottom layer of breathable material. The menstrual pads of the invention include a top layer of composite material, an air-laid layer, a layer of super adsorbent polymer inside the air-laid layer, a ventilation layer, and a bottom layer of breathable material. The present system of pantiliners and menstrual pads is helpful in providing a decrease of pain and other unwanted symptoms during a menstrual cycle. In another advantage, the right placement guide and the left placement guide are provided to assist in placing the menstrual pads of the invention accurately in relation to the undergarment of the user.Type: GrantFiled: November 8, 2019Date of Patent: March 7, 2023Assignee: Small Healthy Environment LimitedInventors: Kam Fai Lo, Pak Yin Lo
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Patent number: 11471340Abstract: A unitary storage layer for an absorbent article, being formed by at least two sub-layers in which a first outermost sub-layer forms said first surface and includes cellulose pulp fibers and cross linked cellulose fibers and includes less than 5% of SAP by weight of the sub-layer, and a second sub layer which includes cellulose pulp fibers and SAP and is immediately adjacent to said first sub-layer.Type: GrantFiled: October 13, 2017Date of Patent: October 18, 2022Assignee: The Procter & Gamble CompanyInventors: Martin Schnabel, Carola Elke Beatrice Krippner, Norbert Matthias Stelzer, Michele Mazzeo, Dirk Saevecke
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Patent number: 11458044Abstract: A wound dressing including a nonwoven absorbent layer including a layer of fabric comprising gel-forming fibers. The absorbent layer is gathered in a longitudinal direction by stitching through the layer of fabric using one or more resilient threads or yarns and an inelastic thread or yarn. The resilient and inelastic threads or yarns gather the layer of fabric so that the layer of fabric in use is configured to maintain close conformability with a wound during movement, and to elongate by 35% to 85% and then recover.Type: GrantFiled: September 24, 2018Date of Patent: October 4, 2022Assignee: ConvaTec Technologies Inc.Inventors: Stephen Michael Cotton, Bryony Jayne Lee
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Patent number: 11426165Abstract: A reduced-pressure, linear-wound closing bolster has a pivotable frame that moves from an extended position to a compressed position under the influence of reduced pressure. The closing bolster may have a first closing member, a second closing member, and an interior space. A manifold member is disposed within the interior space and may be coupled to the pivotable frame. When a reduced pressure is applied, the pivotable frame is urged from the extended position to the compressed position. A first gripping member for transmitting a closing force from the first closing member to a first edge of a linear wound may be attached. Likewise, a second gripping member for transmitting a closing force from the second closing member to a second edge of the linear wound may be attached. Systems and methods are also presented.Type: GrantFiled: February 20, 2019Date of Patent: August 30, 2022Assignee: KCI Licensing, Inc.Inventor: Charles Seegert
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Patent number: 11413195Abstract: In an embodiment, a material includes at least one outer section and a midsection attached to the outer section. The midsection includes a first antimicrobial membrane patch layer configured to contact a body, a second antimicrobial membrane patch layer disposed adjacent to the first antimicrobial patch layer, and an air gap disposed between the first patch and second antimicrobial patch layers. The first and second antimicrobial patch layers each are formed from respective balanced warp tows and fill tows in a plain-weave pattern, and each layer include copper filaments disposed in a plurality of the tows, each of the copper filaments including at least Cu+ or Cu+++ ions. Such a material may be suitable for notification and protection of a body from a soil deposited on the material.Type: GrantFiled: May 17, 2019Date of Patent: August 16, 2022Assignee: ALPHA 1 ENGINEERING TECHNOLOGY GROUP, INC.Inventor: Eugene Dan-Jumbo
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Patent number: 11406542Abstract: The present invention relates to a nonwoven comprising a first layer comprising a first fiber and a second fiber, and a second layer comprising a third fiber; wherein the first fiber is hydrophobic and the second fiber is hydrophilic, and wherein the second layer is more hydrophilic than the first layer; a method for manufacturing the nonwoven according to the present invention; and an absorbent article comprising a topsheet; and a backsheet joined to the topsheet, wherein the topsheet comprises the nonwoven according to the present invention.Type: GrantFiled: January 4, 2018Date of Patent: August 9, 2022Assignee: The Procter & Gamble CompanyInventors: Xiaoxin Liu, Limin Song, Olaf Erik Alexander Isele, Güeltekin Erdem, Xu Huang
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Patent number: 11382801Abstract: An absorbent article is provided. The absorbent article includes a nonwoven, liquid permeable topsheet, a liquid impermeable backsheet, and an absorbent core disposed at least partially intermediate the topsheet and the backsheet. The topsheet includes a layer of fibers and has a plurality of apertures defined in the layer of fibers. At least some of the apertures have a side wall having a portion disposed an angle in the range of about 55 degrees to about 90 degrees, in the range of about 60 degrees to about 80 degrees, or in the range of about 63 degrees to about 75 degrees, according to the 2D X-Ray CT Scan Test herein.Type: GrantFiled: September 26, 2018Date of Patent: July 12, 2022Assignee: The Procter & Gamble CompanyInventors: Gueltekin Erdem, Sascha Kreisel, Weidong Wu
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Patent number: 11376169Abstract: An absorbent article is disclosed. The absorbent article having a topsheet, a backsheet, and an absorbent core structure having one or more layers. The absorbent article has multiple zones.Type: GrantFiled: May 3, 2018Date of Patent: July 5, 2022Assignee: The Procter & Gamble CompanyInventors: Christopher Philip Bewick-Sonntag, Clint Adam Morrow, Callida Williams Ludher, John David Norcom
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Patent number: 11351286Abstract: Absorbent articles are described comprising an absorbent composite. The absorbent composite comprises a first absorbent layer comprising a polymeric foam having an average cell size of at least 100 microns. The polymeric foam has at least one property selected from a) an indentation force deflection of less than 75 N at 50%; or b) a constant deflection compression set of less than 25% for a deflection of 50%; or a combination of a) and b); and a second absorbent layer in fluid communication with the fluid transport layer. In another embodiment, the a second absorbent layer has an average absorption capacity of at least 20 g/g. In another embodiment, a polyurethane foam is described having an average cell size of at least 100 microns. The polyurethane foam comprises the reaction product of at least one polyol component having polyethylene oxide units and a polyisocyanate component that comprises at least 75 wt-% of at least one polymeric polyisocyanate that lacks urethane linkages.Type: GrantFiled: May 3, 2019Date of Patent: June 7, 2022Assignee: 3M Innovative Properties CompanyInventors: Delton R. Thompson, Jr., Robert L. Rowan
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Patent number: 11266542Abstract: An absorbent has longitudinal and lateral centerlines, first, second, and target regions, the target region being disposed between the first second regions. Each of the first, second target regions extend laterally across the disposable absorbent article. The disposable absorbent article also has a topsheet; a backsheet; an absorbent core disposed between the topsheet and backsheet; a fluid management layer disposed between the topsheet and absorbent core; and a target zone disposed in the target region. The target zone has a first plurality of conforming features in at least the absorbent core or a combination of the absorbent core and at least one of the topsheet or fluid management layer. The absorbent article also has a long fiber network.Type: GrantFiled: November 6, 2018Date of Patent: March 8, 2022Assignee: The Procter & Gamble CompanyInventors: Christopher Philip Bewick-Sonntag, Shirdish Poondru, John Lee Hammons, Kelyn Anne Arora
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Patent number: 11253403Abstract: The present invention relates to a disposable hygiene article comprising first and second compression lines in a forward region of the article. The article has a core with a first area which has its narrowest width (M) in the transverse direction (x) in a front portion or at a location of a transition between the front portion and a crotch portion of the article. The absorbent core in the crotch portion comprises the first and second compression lines, which are separated from each other at their closest point by a minimum distance D1, measured in the transverse direction.Type: GrantFiled: December 5, 2018Date of Patent: February 22, 2022Assignee: Essity Hygiene and Health AktiebolagInventors: Sofia Ekstedt, Josefin Sohl
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Patent number: 11224544Abstract: The present invention relates to dressings such as bandages or tapes improved extensibility. The present invention further relates to dressings such as bandages or tapes which are extensible so as to at least partially conform to a body contour at wound surface upon stretching of the dressing.Type: GrantFiled: September 12, 2018Date of Patent: January 18, 2022Assignee: Johnson & Johnson Consumer Inc.Inventors: Melinda Cettina, Paulo Oriani
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Patent number: 11207220Abstract: Absorbent articles herein may provide a topsheet, a backsheet, an absorbent core disposed between the topsheet and the backsheet. The absorbent core may comprise at least one channel having a shape. The backsheet graphics may substantially match the shape.Type: GrantFiled: March 7, 2019Date of Patent: December 28, 2021Assignee: The Procter & Gamble CompanyInventors: Rodrigo Rosati, Carsten Heinrich Kreuzer, Hans Adolf Jackels, Blanca Arizti, Ernesto G. Bianchi, Donald Carroll Roe, Darrell Ian Brown, Sarah Ann Sanborn, Theodore Cory Fites
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Patent number: 11160697Abstract: A fluid distribution material for use in an absorbent article includes a formed film layer having a user-facing side and a garment-facing side opposite the user-facing side. The formed film layer includes a plurality of apertured protuberances arranged in a pattern having 10 to 40 protuberances per linear inch. Each of the protuberances includes a continuous sidewall extending from the user-facing side. The garment-facing side has a plurality of apertures aligned with the plurality of apertured protuberances and land areas in between the apertures. A nonwoven layer is laminated to the garment-facing side of the formed film layer. The nonwoven layer includes a plurality of continuous fibers extending across the land areas and the plurality of apertures of the formed film layer and attached to the land areas at bond sites. The fluid distribution material has a compressibility of less than 10% between pressures of 0.21 psi and 0.60 psi.Type: GrantFiled: December 6, 2019Date of Patent: November 2, 2021Assignee: FITESA FILM PRODUCTS LLCInventors: Andrew D. Maschino, Michael Estel Fisher, Brian C. Loomis
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Patent number: 11129757Abstract: An absorbent article for wearing about the lower torso of a wearer includes a first waist region having a first waist edge, a second waist region having a second waist edge, and a crotch region disposed between the first and second waist regions. The article further includes a first longitudinal edge, a second longitudinal edge, and a chassis comprising a topsheet, a backsheet, and an absorbent core disposed between the topsheet and backsheet. A waist gasketing element is disposed in one of the first or the second waist regions and joined to the chassis in a chassis attachment region. The waist gasketing element comprises an outboard lateral edge and an inboard lateral edge. The chassis attachment region comprises a first zone proximate to the outboard lateral edge and a second zone disposed longitudinally inboard of the first zone. Each of the first and the second zones comprise one or more chassis attachment bonds.Type: GrantFiled: May 19, 2017Date of Patent: September 28, 2021Assignee: The Procter & Gamble CompanyInventors: Kumardipti Chatterjee, Tina Brown, Joseph Hung Lam, Miguel Caballero
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Patent number: 11123240Abstract: An absorbent core for absorbent articles such as diapers comprising a core wrap comprising a top side and a bottom side, an absorbent material between the top side and the bottom side of the core wrap, a first and second longitudinally-extending channel-forming areas substantially free of absorbent material preferably through which the top side of the core wrap is attached to the bottom side of the core wrap disposed on opposite sides of the longitudinal axis. The core has a central absorbent zone between the first and the second channel-forming areas and a first and second lateral absorbent zones disposed laterally outwardly. The absorbent core comprises at least one transversal folding line, preferably at least two transversal folding lines, in the region where the longitudinally-extending channel-forming areas are present.Type: GrantFiled: April 28, 2017Date of Patent: September 21, 2021Assignee: The Procter & Gamble CompanyInventors: Ernesto Gabriel Bianchi, Bruno Johannes Ehrnsperger, Joerg Endres, Julien René Garcia
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Patent number: 11096834Abstract: Process for making discrete fibrous layers, comprising the steps of continuously depositing fibers in an endless series of molds, with two neighboring molds connected by a connecting section, transferring the resulting continuous fibrous layer to another endless moving surface and cutting the continuous fibrous layer at the connecting sections to form discrete fibrous layers. The molds comprise at least one raised element that prevents fiber deposition in the raised element area.Type: GrantFiled: August 15, 2019Date of Patent: August 24, 2021Assignee: The Procter & Gamble CompanyInventors: Walter Pieter Hendrik Laurentius van der Klugt, Ute Fröhlich, Ernesto Gabriel Bianchi
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Patent number: 11051997Abstract: A disposable pant-type absorbent article, such as a pant diaper, a sanitary pant or incontinence pant is described. The disposable pant-type absorbent article has a longitudinal direction (Y) and a transverse direction (X). The disposable pant-type absorbent article is adapted for a male user. A method for manufacturing such a disposable pant-type absorbent article is also described.Type: GrantFiled: March 28, 2017Date of Patent: July 6, 2021Assignee: ESSITY HYGIENE AND HEALTH AKTIEBOLAGInventors: Lucas Bäck, Anna Klinte Olsson, Katarina Eriksson
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Patent number: 11037043Abstract: A tag assembly is described wherein the tag assembly is affixable to clothing and/or a body and wherein the assembly includes a support sheet; a tag disposed on the support sheet, the tag being configured to transmit a signal to a receiver; and, an expandable spacer structure disposed the support sheet, the expandable spacer structure providing a predetermined spacing between the tag and the body, the expandable spacer being configured to expand from a thin non-expanded state to a expanded state of a predetermined spacer thickness.Type: GrantFiled: November 2, 2018Date of Patent: June 15, 2021Assignee: MYLAPS B.V.Inventors: Bas Jan Emile Van Rens, Adriaan Klaas Verwoerd, Reinerus Mathijs Willie Gerritsen
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Patent number: 11000422Abstract: Apparatus and method for producing absorbent structures with absorbent layers with channel(s) without absorbent material, using a first moving endless surface with specific raised strip(s) and a second moving endless surface with specific mating strip(s).Type: GrantFiled: October 8, 2018Date of Patent: May 11, 2021Assignee: The Procter & Gamble CompanyInventors: Hans Adolf Jackels, Carsten Heinrich Kreuzer
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Patent number: 10993847Abstract: The present application describes a surgical swab composed of two or more outer layers made of non-woven fabric and an inner layer of a textile polymer net, with or without x-ray detectable thread, which can be obtained, for example, by a process of knitting or weaving. The textile net can present in its composition materials with high elasticity such as elastane or alternatively combinations of materials that allow shrinking after heat treatment such as the polyamide or polyamide and polyester or even polyamide and cotton. In the present application, it is also described the production process of this surgical swab which, after the junction and overlapping of the non-woven fabric layers and the inner layer of textile polymer net, comprises ultrasound welding of the layers. The surgical swabs of this application present improved performance features and the production process involved is simple, economical and automated.Type: GrantFiled: August 24, 2015Date of Patent: May 4, 2021Assignee: BASTOS VIEGAS, S.A.Inventor: Luis Salvador Viegas Nieto Guimaraes
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Patent number: 10993845Abstract: A process of making an absorbent article is disclosed. A liquid permeable topsheet web extending substantially continuously in a machine direction a backsheet web, and an intermediate layer are provided. The topsheet web has first and second surfaces. The backsheet web extends substantially continuously in the machine direction. The intermediate layer has a first and second surface. The topsheet and intermediate layer are aligned in a face to face relationship such that the second surface of the topsheet in in contact with the first surface of the intermediate layer and simultaneously mechanically deformed which combines the topsheet with the intermediate layer. The topsheet web and intermediate layer are nested together such that a majority of the three-dimensional protrusions formed in the topsheet web coincide with and fit together with a majority of the three-dimensional protrusions formed in the intermediate layer to provide a topsheet/intermediate layer laminate web having three-dimensional protrusions.Type: GrantFiled: May 21, 2020Date of Patent: May 4, 2021Assignee: The Procter & Gamble CompanyInventors: Rodrigo Rosati, Jill Marlene Orr, Adrien Greiner, James T. Knapmeyer, Aniruddha Chatterjee
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Patent number: 10952905Abstract: A pulpless core is provided with flexibility for superabsorbent expansion by using elastic strands stretched and coupled to a nonwoven layer, and then relaxed partially to create receiving valleys (puckers) and the puckers are provided with superabsorbent polymer, and then a layer of nonwoven or acquisition film can be coupled on top of nonwoven/elastic/sap carrier layers to create an absorbent core laminate. A tubular core can be created and placed into a product with or without additional absorbent material between adjacent tubular members. A printed back sheet corresponding to either the tubular core shape, or void spaces between tubular members can be provide. A forming drum pocket can be profiled to match tube or tube shaped zones and elastic placements between adjacent tubes, if desired.Type: GrantFiled: April 10, 2018Date of Patent: March 23, 2021Assignee: Curt G. Joa, Inc.Inventors: Jeffrey W. Fritz, Gottfried Jason Hohm, Cory Veldman, Daniel A. Peterson
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Patent number: 10952909Abstract: An absorbent core includes a core wrap having a top layer and a bottom layer enclosing superabsorbent polymer. The absorbent core is substantially free of cellulose fibers. The absorbent layer comprises a non-rectangular central portion having a front edge, a back edge and two longitudinally-extending side edges. Each side edge defines a recess along a portion of its length; a first side portion present in one of the recess and a second side portion present in the other recess. The proximal edges of the side portions are convex; and either the distal edges of the side portions are concave so that the side portions are crescent-shaped; or the distal edges of the side portions is straight. The absorbent core further includes a first and second folding guide, and when the absorbent core is folded along the folding guides, the central portion and the side portions form a three-dimensional basin.Type: GrantFiled: February 16, 2016Date of Patent: March 23, 2021Assignee: The Procter & Gamble CompanyInventors: Bruno Johannes Ehrnsperger, Hans Adolf Jackels, Claus Peter Stoelzel, Christine Elisabeth Zipf