Containing Particular Materials, Fibers, Or Particles Patents (Class 604/367)
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Patent number: 12197130Abstract: A DFR film manufacturing system including: a stirring device for melting and stirring a photoinitiator and an epoxy base thermoplastic resin; a pump station for receiving a mixture in which the photoinitiator and the epoxy-based thermoplastic resin are molted and mixed from the stirring device, and filtering and forcedly transferring impurities; a coating roller for transferring the base film in a state in which the base films get in partially contact with each other; a coating device for coating the received molten mixture on the base film getting in close contact with the coating roller so as to form a DFR layer; a laminating roller for laminating the cover film supplied from the cover film unwinder onto the DFR layer coated on the base film; and a cutting device for cutting the DFR film transferred from the laminating roller.Type: GrantFiled: September 8, 2022Date of Patent: January 14, 2025Assignees: Anytape Co., Ltd.Inventor: Sungho Park
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Patent number: 12194162Abstract: An absorbent article having a topsheet with natural fibers and a semi-hydrophilic composition is provided. The semi-hydrophilic composition may have a wax ester and a polyglyceryl emulsifier in a ratio of between about 0.5:1 and 1.5:1. The topsheet may have a Contact Angle of between about 35° and about 100°. The topsheet may have a Fluid Strike-Through time of between about 0.5 seconds to about 18 seconds and a wicking height of between about 0 mm and about 10 mm.Type: GrantFiled: January 15, 2021Date of Patent: January 14, 2025Assignee: The Procter & Gamble CompanyInventors: Zhe Liu, Gueltekin Erdem, Mattias Schmidt
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Patent number: 12115763Abstract: The invention relates to a sheetlike composite comprising, as mutually superposed layers in a direction from an outer face of the sheetlike composite to an inner face of the sheetlike composite, a) a carrier layer, and b) a barrier layer; wherein the sheetlike composite additionally includes a polymer layer P comprising a first polymer; wherein the polymer layer P has an L value in the L*a*b* colour space within a range from 30 to 56. The invention further relates to methods of producing a sheetlike composite, a container precursor and a closed container and to the aforementioned method products; to a container precursor and a closed container each including at least one sheetlike region of the sheetlike composite; to uses of the sheetlike composite for production of a food or drink product container and in a microwave oven; and to uses of compositions for production of a sheetlike composite for a food or drink product container.Type: GrantFiled: July 12, 2018Date of Patent: October 15, 2024Assignee: SIG Services AGInventors: Roland Bothor, Markus Raue
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Patent number: 12083496Abstract: The invention relates to a process for producing long-term color stable superabsorbent polymer particles, comprising polymerization of a monomer solution, wherein the monomer solution comprises at least 0.01% by weight of 1-hydroxyethane-1,1-diphosphonic acid or a salt thereof and at least 0.01% by weight of 2-hydroxy-2-sulfonatoacetic acid or a salt thereof.Type: GrantFiled: April 9, 2019Date of Patent: September 10, 2024Assignee: BASF SEInventors: Norbert Herfert, Bootsara Parchana, Sunantha Kaenthong, Stephan Bauer, Thomas Daniel, Katrin Baumann
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Patent number: 12076220Abstract: A liquid permeable substrate for an absorbent article is disclosed. The substrate includes a first layer including a hydrophobic material and a second layer including a hydrophilic material. The first layer is joined to the second layer. The substrate includes a plurality of recesses, a plurality of projections, and a plurality of land areas. The land areas surround at least a majority of the plurality of projections and a plurality of the recesses. The plurality of recesses, the plurality of projections, and the plurality of land areas together form a first three-dimensional surface on a first side of the substrate and a second three-dimensional surface on a second side of the substrate. The substrate has an overall z-directional height in the range of about 1000 ?m to about 6000 ?m according to the Overall Substrate Height Test.Type: GrantFiled: May 13, 2021Date of Patent: September 3, 2024Assignee: The Procter & Gamble CompanyInventors: Olaf Erik Isele, Jörg Endres, Gueltekin Erdem, Rodrigo Rosati, Paul Thomas Weisman, Sharon Ann Young, Mike P. Purdon
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Patent number: 11969327Abstract: In an absorbent article, an absorbent core includes first and second layers adjacent to each other in the thickness direction; the first layer has, in a front-body part, a groove extending in the longitudinal direction, penetrating in the thickness direction, and having a terminal end at a rear position and a base disposed adjacent to the rear position of the groove with the terminal end therebetween; the second layer has a groove corresponding part and a base corresponding part at positions overlapping the groove and the base respectively in the thickness direction; and the average density of highly absorbent polymer particles contained in the base and the average density of the highly absorbent polymer particles contained in the base corresponding part are higher than the average density of the highly absorbent polymer particles contained in the groove corresponding part.Type: GrantFiled: December 20, 2018Date of Patent: April 30, 2024Assignee: UNICHARM CORPORATIONInventor: Kazuaki Onishi
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Patent number: 11890176Abstract: An absorbent article includes a liquid-permeable topsheet, a liquid-impermeable backsheet, and an absorbent body provided between the topsheet and the backsheet, wherein the absorbent body includes a crotch-corresponding region corresponding to the wearer's crotch when worn, and a front region being adjacent to and forward of the crotch-corresponding region, and a rear region being adjacent to and rearward of the crotch-corresponding region, and has a variable-density portion with a density increasing stepwise or gradually from a front toward a rear, the variable-density portion being located in a region extending at least from the crotch-corresponding region to the rear region.Type: GrantFiled: March 11, 2019Date of Patent: February 6, 2024Assignee: DAIO PAPER CORPORATIONInventor: Yousei Mizumoto
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Patent number: 11801323Abstract: A lotion composition is provided. The lotion composition includes a) about 1% to about 90%, by weight, of a rheology structurant; and a b) carrier.Type: GrantFiled: January 14, 2021Date of Patent: October 31, 2023Assignee: The Procter and Gamble CompanyInventors: Robert Ya-lin Pan, Debora Christine Ebert, Peter Christopher Ellingson, Raphael Warren
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Patent number: 11779496Abstract: Described herein is an absorbent article having an absorbent core. The absorbent core includes a superabsorbent polymer material and a superabsorbent polymer immobilizing material. The superabsorbent polymer immobilizing material includes from about 20% to about 70% of a first polymer and from about 30% to about 80% of a second polymer. The superabsorbent polymer immobilizing material has a Shear Viscosity at 10 (1/s) at 230° C. of from about 300 mPa·s to about 10,000 mPa·s.Type: GrantFiled: July 24, 2019Date of Patent: October 10, 2023Assignee: The Procter and Gamble CompanyInventors: Torsten Lindner, Robert Haines Turner, Christian Neu, Matthias Morand, Gabriele Stiehl, Erik Hauck, Jeremia Schwabe, Simon Bodendorfer, Matthias Roessle, Sebastijan Bach
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Patent number: 11725321Abstract: Disclosed are the cut edges of an absorbent fabric comprising at least 45% and less than about 90% cellulosic or natural fibers, and a fusible component being stabilized by fusing the fusible component with an arrangement of spaced lines or spaced areas extending from the cut edges, and optionally over the entire absorbent fabric.Type: GrantFiled: April 5, 2021Date of Patent: August 15, 2023Assignee: Xymid, LLC.Inventors: Dimitri Zafiroglu, Jason Billups
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Patent number: 11635421Abstract: A SAP evaluation apparatus includes: a main body installed with a lifting bar that is raised or lowered; a container portion installed under the lifting bar in the main body and having an internal containing space for containing an absorber; an operating portion connected to the lifting bar and having a lifting plate that is raised or lowered within the containing space and applies pressure to the absorber and an injection portion for injecting an ink in the direction of the absorber; a dispersion measurement portion for measuring the dispersion of the ink through the absorber; and a controller installed at the main body to measure absorption of the ink into the absorber and measure swelling capacity of the absorber while the ink is injected into the absorber.Type: GrantFiled: August 24, 2018Date of Patent: April 25, 2023Inventors: Yeon Soo Kim, Hye Mi Nam, Hyunsup Lee, Sang Gi Lee, Chang Hun Han, Myung Han Lee, Hyejin Han
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Patent number: 11576822Abstract: Aspects of the present disclosure relate to methods and apparatuses for manufacturing absorbent articles, wherein discrete zones of protrusions may be formed on a substrate. In some configurations, the protrusions may be formed as hooks. When forming the discrete zones of protrusions, localized speed variances may be imparted to the advancing substrate to ensure the adequate time to form the protrusions is provided. As such, protrusions may be formed on portions of the substrate that have been temporarily stopped or slowed to relatively slow speeds. The substrates with zones of protrusions may then be incorporated into products, such as assembled absorbent articles, so as to place the protrusions in desired positions on the absorbent articles. As such, the methods and apparatuses herein allow for the use of hook forming techniques on substrates in article manufacturing processes that provide flexibility in such configurations without sacrificing desired manufacturing speeds.Type: GrantFiled: September 14, 2020Date of Patent: February 14, 2023Assignee: The Procter & Gamble CompanyInventors: Michael Devin Long, Uwe Schneider
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Patent number: 11512276Abstract: The present disclosure provides methods for controlling oxygen concentration during aerobic biosynthesis, e.g., fermentation. The method may comprise feeding an oxygen-containing gas into a vessel including a fermentation feedstock and reacting the fermentation feedstock with the oxygen-containing gas to form a broth including a gaseous phase dispersed within the broth. The gaseous phase may comprise any unreacted oxygen from the oxygen-containing gas. The method further includes reducing the concentration of the unreacted oxygen in the dispersed gaseous phase to less than the limiting oxygen concentration (“LOC”) for flammability before separating the gaseous phase from the fermentation broth. The concentration of the unreacted oxygen in the gaseous phase is reduced by employing oxygen removal schemes or oxygen dilution schemes.Type: GrantFiled: April 1, 2019Date of Patent: November 29, 2022Assignee: INV NYLON CHEMICALS AMERICAS, LLCInventors: Gary J. Smith, Paul S. Pearlman, Gregory S. Kirby
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Patent number: 11452646Abstract: Configurable absorbent articles with improved bodily exudate visualization when viewing a wearer-facing surface are provided. The absorbent articles include a liquid permeable topsheet forming a portion of a wearer-facing surface of the absorbent article, a liquid permeable backsheet, and an absorbent core positioned at least partially intermediate the liquid permeable topsheet and the liquid permeable backsheet. The wearer-facing surface exhibits a Delta C* of greater than about 24 and less than about 50 when the absorbent article is subjected to a Bodily Exudate Visualization Test.Type: GrantFiled: May 31, 2018Date of Patent: September 27, 2022Assignee: The Procter & Gamble CompanyInventor: Amy Lynn Tally
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Patent number: 11446186Abstract: An absorbent article includes a first waist region, a second waist region and a crotch region disposed between the first and second waist regions; and a chassis comprising a topsheet, a backsheet and an absorbent core disposed between the topsheet and the backsheet. The absorbent article also includes an ear disposed in one of the waist regions. The ear includes a laminate having a first nonwoven and a second nonwoven and an elastomeric material sandwiched between said first and second nonwovens in an elasticized region. The laminate also includes a first bonding region comprising a first plurality of ultrasonic bonds having a first bond density, and a second bonding region comprising a second plurality of ultrasonic bonds having a second bond density. The first bond density is greater than the second bond density.Type: GrantFiled: August 11, 2017Date of Patent: September 20, 2022Assignee: The Procter & Gamble CompanyInventors: Urmish Popatlal Dalal, Todd Douglas Lenser, Uwe Schneider, Todd Joseph Statt, Joerg Mueller, Melanie Acevedo, Hiroshi Nakahata
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Patent number: 11434332Abstract: A super absorbent polymer according to the present invention has an excellent discoloration resistance characteristic even under high temperature/high humidity conditions, while maintaining excellent absorption performance, and is preferably used for hygienic materials such as diapers, and thus can exhibit excellent performance.Type: GrantFiled: December 28, 2016Date of Patent: September 6, 2022Inventors: Dae Woo Nam, Seon Jung Jung, Tae Hwan Jang, Jun Kyu Kim, Seong Beom Heo, Bo Hyun Seong, Yeon Woo Hong, Su Jin Kim, Ji Yoon Jeong, Hyung Ki Yoon
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Patent number: 11311424Abstract: Pulpless absorbent cores and methods of manufacture are disclosed. A method of forming a pulpless absorbent core may comprise moving a foraminous forming surface having un-masked portions and masked portions in a machine direction, the un-masked portions defining an absorbent core region. The method may further comprise depositing particulate material at a velocity of less than 1200 meters per minute in the absorbent core region while applying a vacuum. The absorbent core region may comprise: a front core region spanning a first half of the absorbent core region and a rear core region spanning a second half, wherein the front core region trails the rear core region in the machine direction, and the masked portions of the foraminous forming surface block airflow through the forming surface to cause greater than 60% of the particulate material deposited in the absorbent core region to locate in the front core region.Type: GrantFiled: December 3, 2020Date of Patent: April 26, 2022Assignee: KIMBERLY-CLARK WORDWIDE, INC.Inventors: Michael B. Venturino, Joseph J. Sina
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Patent number: 11298276Abstract: A diaper configured for collection of a stool sample for an infant, and an associated method for collection, are disclosed. The diaper may include a backsheet including an effectively urine- and feces-impermeable material; a transverse perineal barrier including an effectively urine- and feces-impermeable material and having a proximal portion overlying the backsheet and sealingly connected to the diaper, and a free distal edge; and a liquid control structure disposed over the backsheet. The diaper may include additional features configured to receive a discharge of urine, isolate fecal material from urine, and facilitate collection of an intact stool sample following elimination.Type: GrantFiled: March 1, 2017Date of Patent: April 12, 2022Assignee: The Procter & Gamble CompanyInventors: Jacob Alan Barnhorst, Masaharu Nishikawa, Jeromy Thomas Raycheck, Cornelia Beate Martynus
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Patent number: 11207221Abstract: An absorbent article, such as a sanitary napkin, a pantiliner or an incontinence pad, which improves diffusion property of a body fluid and maintains a stable absorption amount. In FIG. 3, a sanitary napkin (1) includes an absorber (4) including an upper layer sheet (10) disposed at a skin side, a lower layer sheet (11) disposed at a non-skin side, and a highly water-absorbing polymer (12) disposed between the upper layer sheet (10) and the lower layer sheet (11). The upper layer sheet (10) is provided with a plurality of protruding portions (14) bulging out to the skin side and forming space portions (13) to be filled with the highly water-absorbing polymer (12), and a joined portion (15) in which the upper layer sheet (10) and the lower layer sheet (11) are joined to each other intermittently on the peripheral edges of the protruding portions (14) along the circumferential directions.Type: GrantFiled: March 25, 2016Date of Patent: December 28, 2021Assignee: DAIO PAPER CORPORATIONInventor: Satoko Konawa
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Patent number: 11202724Abstract: A water repellent is applied to a spun lace nonwoven fabric in which a surface sheet comprises 100% by weight of cotton fibers, and a large number of openings that penetrate the obverse and reverse surfaces are formed in at least a portion that corresponds to an excretory opening. A heat-fusible fiber sheet is disposed adjacent to the absorber side surface of the surface sheet. A plurality of adhesive portions are formed between the surface sheet and the heat-fusible fiber sheet along the longitudinal direction and spaced apart in the widthwise direction of an incontinence pad. A compressed groove recessed from the outer surface of the surface sheet toward the absorber is formed close to the adhesive portions.Type: GrantFiled: March 24, 2017Date of Patent: December 21, 2021Assignee: DAIO PAPER CORPORATIONInventor: Mariko Nagashima
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Patent number: 11166853Abstract: Described herein are nonwoven materials including a plurality of fibers. At least some of the plurality of fibers include a filler. The plurality of fibers have a Thermal Conductivity from about 0.25 W/m/K to about 70 W/m/K.Type: GrantFiled: October 2, 2018Date of Patent: November 9, 2021Assignee: The Procter & Gamble CompanyInventor: Rodrigo Rosati
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Patent number: 11141324Abstract: Provided is an absorbent article which includes a top sheet having extruded protrusions and a second sheet bonded to the top sheet and has adequate softness, satisfactory appearance, and yet prevents wrinkles in the top sheet along the MD.Type: GrantFiled: November 10, 2015Date of Patent: October 12, 2021Assignee: DAIO PAPER CORPORATIONInventor: Akie Moritani
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Patent number: 11135103Abstract: A patterned apertured web includes a plurality of land areas in the patterned apertured web and a plurality of apertures defined in the patterned apertured web. At least some of the land areas surround at least some of the apertures. The patterned apertured web has an Effective Open Area in the range of about 5% to about 50%, according to the Aperture Test. The patterned apertured web has a plurality of Interaperture Distances, according to the Aperture Test. The Interaperture Distances have a distribution having a median and a mean. The mean is greater than the median.Type: GrantFiled: April 16, 2018Date of Patent: October 5, 2021Assignee: The Procter & Gamble CompanyInventors: Timothy Ian Mullane, Kelyn Anne Arora, Jill Marlene Orr, Donald Carroll Roe, Jennifer Schutte, John Brian Strube, Ann Cecilia Tapp, Rachael Eden Walther, Amanda Margaret Bicking, Jennifer Lynn Dusold, Margaret Elizabeth Porter
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Patent number: 11129758Abstract: An absorbent article includes an absorbent core, a top sheet provided on a skin-side of a thickness direction of the absorbent core, and a second sheet arranged between the absorbent core and the top sheet in the thickness direction and to be placed in a wearer's inseam. The top sheet has a plurality of protrusions formed along a longitudinal direction and spaced apart in a horizontal direction. The second sheet is smaller than the top sheet in the horizontal direction. The top sheet has an overlapping region overlapping with the second sheet in the thickness direction and both end regions separated by a predetermined distance outward from the overlapping region in the horizontal direction and provided to overlap with the overlapping region in the longitudinal direction. A horizontal pitch of the protrusions in the overlapping region is larger than a horizontal pitch of the protrusions in the two end regions.Type: GrantFiled: January 25, 2017Date of Patent: September 28, 2021Assignee: UNICHARM CORPORATIONInventor: Hirotomo Mukai
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Patent number: 11123239Abstract: A disposable hygiene article having an absorbent core with a first area having its narrowest width in the transverse direction 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 has a high-density region and a low density region. The absorbent core has a compression line forming an essentially upside down turned V such that the front tip of the V is located on the centre line and the legs of the V diverge towards the core rear edge at a mutual angle (?1) of from 30-120°. The low density region has an average density which is at least 20%, preferably at least 30% and most preferably at least 50% lower than the average density of the high density region. Also disclosed is a method of making the article.Type: GrantFiled: June 9, 2017Date of Patent: September 21, 2021Assignee: Essity Hygiene and Health AktiebolagInventors: Caj Hanson, Hanna Svensson, Anna Bagger-Sjöbäck, Sofia Ekstedt
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Patent number: 11065159Abstract: An absorbent body 4 is provided between a liquid permeable topsheet 3 and a liquid impermeable backsheet 2, and a second sheet 6 is provided between the liquid permeable topsheet 3 and the absorbent body 4. Slits 10 that penetrate in the thickness direction are formed along a longitudinal direction on both sides of the absorbent body 4 in the width direction, a body fluid expelling portion corresponding region H is included between the slits, the second sheet 6 is provided along an inner surface of the slits, and concave grooves 11, in which the second sheet 6 and the liquid impermeable backsheet 2 are integrated, are formed in the slits. At least a portion of the second sheet 6 constituting one of the side surfaces of the concave groove 11 has water-repellent properties.Type: GrantFiled: February 24, 2017Date of Patent: July 20, 2021Assignee: DAIO PAPER CORPORATIONInventor: Tomotaka Morita
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Patent number: 11066496Abstract: The present invention relates to a super absorbent polymer and a method for preparing the same. According to the method for preparing a super absorbent polymer of the present invention, the super absorbent polymer +having improved absorption capacity and permeability can be prepared.Type: GrantFiled: November 8, 2017Date of Patent: July 20, 2021Inventors: Jung Min Sohn, Hyemin Lee, Chang Sun Han
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Patent number: 11020278Abstract: Antimicrobial coating compositions are used to form dried residual antimicrobial coatings on medical dressings including gauze, bandages, gowns and dry wipers. Antimicrobial coating compositions comprise at least one of an organosilane (R1O)3Si—R2—Z, an organic amine R9R10R11N a titanium (IV) species, a 1,2-diol, an ?-hydroxy acid, a ?-hydroxy acid, and an organosilane grafted parylene polymer, wherein R1 is H, alkyl, substituted alkyl, aryl or substituted aryl, R2 is a bivalent linker, Z is a nucleophile, leaving group, or quaternary nitrogen substituent and R9, R10, and R11 are independently H, alkyl, substituted alkyl, aryl, substituted aryl or cyclic.Type: GrantFiled: March 28, 2018Date of Patent: June 1, 2021Assignee: ALLIED BIOSCIENCE, INC.Inventors: Craig Grossman, Gavri Grossman, Daniel Moros, Misagh Alipour, Jie Fang
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Patent number: 11000429Abstract: A nonwoven fabric for an absorbent article has a plurality of first ridges and a plurality of first grooves on a first surface, each of the first ridges extending in a first direction and being provided with a first top surface including a first top section and first side surfaces, and each of the first grooves extending in the first direction; each of the first grooves of the nonwoven fabric has a plurality of second ridges and a plurality of bottom sections on the first surface, each of the second grooves being contiguous with two adjacent first ridges among the plurality of first ridges and having a second top section; the nonwoven fabric is provided with a plurality of predetermined recess units; and in each of the plurality of recess units, the fiber density of the first surface is lower than the fiber density of the first top surface.Type: GrantFiled: June 1, 2016Date of Patent: May 11, 2021Assignee: UNICHARM CORPORATIONInventors: Masashi Uda, Shinichi Ishikawa, Ryota Kawamori, Takashi Maruyama
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Patent number: 10993855Abstract: A nonwoven substrate for an absorbent article including a layer of fibers is provided. The nonwoven substrate has a low surface tension fluid strikethrough time to basis weight ratio in the range of about 0.37 s/gsm to about 5 s/gsm. A plurality of the fibers each include fibrils extending outwardly from a surface of the fibers. The plurality of the fibers are made from a composition including a polyolefin and about 11% to about 35% of glycerol tristearate by weight of the composition. The nonwoven substrate has a specific surface area in the range of about 1 m2/g to about 4 m2/g.Type: GrantFiled: July 10, 2018Date of Patent: May 4, 2021Assignee: The Procter & Gamble CompanyInventors: Calvin Hoi Wung Cheng, Olaf Erik Alexander Isele, Brian Udengaard
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Patent number: 10973708Abstract: In an absorbent product (1), a first absorbent sheet (22) is disposed between a top sheet (21) and a back sheet (23). A second absorbent sheet (22a) is disposed between the first absorbent sheet (22) and the back sheet (23). The first absorbent sheet (22) includes a first upper sheet (221), a first highly absorbent material (222), and a first lower sheet (223). The first absorbent sheet (22) extends in the longitudinal direction beyond the longitudinal edges of the second absorbent sheet (22a) on both longitudinal sides. On each longitudinal side, an extension (224) of the first absorbent sheet (22) beyond the second absorbent sheet (22a) includes a back-sheet contact region (225) that is spaced in the longitudinal direction from the longitudinal edge of the second absorbent sheet (22a) and that is in contact with the back sheet (23). This configuration suppresses the return of liquid.Type: GrantFiled: October 21, 2016Date of Patent: April 13, 2021Assignee: LIVEDO CORPORATIONInventors: Yuki Takahashi, Miyuki Fujimoto, Hironobu Yokokawa, Osamu Moriura, Kazuya Maruhata
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Patent number: 10959888Abstract: Asymmetrical absorbent articles having printed regions to facilitate individual placement of the absorbent article are described.Type: GrantFiled: August 17, 2017Date of Patent: March 30, 2021Assignee: The Procter & Gamble CompanyInventors: Christine Gail Luzader, Michael Philip Krell, Maria Fernanda Páez
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Patent number: 10912681Abstract: A sheet conveyance device for conveying, along a conveyance path, a sheet in which a given region from an obverse surface toward a reverse side thereof is composed of a non-woven fabric, and a powder supply device for supplying a powder to at least a partial zone of the sheet, are provided. Further, a fiber-raising device for raising fibers in at least part of the powder supply zone of the sheet is provided on the conveyance path at a position upstream of the powder supply device in a conveyance direction of the sheet.Type: GrantFiled: January 25, 2017Date of Patent: February 9, 2021Assignee: ZUIKO CORPORATIONInventors: Hideyuki Nakamura, Yukihiko Fujita
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Patent number: 10842468Abstract: Disclosed herein is a sample collection apparatus. The sample collection apparatus includes a self-sampling pad and a cell fixing container, wherein the sample collection pad includes a filter unit, the structure and material of which are such that cells, viruses and DNAs contained in vaginal secretions can be efficiently absorbed and attached to the filter unit and can be efficiently detached from the filter unit in a cell preserving solution after the filter unit is removed and put into the cell preserving solution. Thus, the filter unit includes at least one adsorbent layer which is formed of a hydrophobic material having low fineness and high resilience.Type: GrantFiled: July 12, 2017Date of Patent: November 24, 2020Assignee: TCM BIOSCIENCES INC.Inventors: Young Chui Park, Hee Jae Joo, Dong Jin Shin
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Patent number: 10842689Abstract: A stretchable structure of an absorbent article includes a stretchable region and a non-stretchable region. A laminate of a first sheet layer, second sheet layer, and elastic film between the first and second sheet layers extends over the stretchable and non-stretchable regions. The first and second sheet layers are bonded to each other at a large number of dot-like joints via through holes formed in the elastic film stretched along the surfaces of the first and second sheet layers in a stretchable direction. The dot-like joints are arrayed at intervals in the stretchable direction and a direction perpendicular to the stretchable direction. An end of the stretchable region adjacent to the non-stretchable region is a buffer stretchable section. The area rate of dot-like joints in the buffer stretchable section is larger than the area rate of dot-like joints in the main section not including the buffer stretchable section.Type: GrantFiled: January 29, 2016Date of Patent: November 24, 2020Assignee: DAIO PAPER CORPORATIONInventor: Mina Takaishi
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Patent number: 10799400Abstract: Described herein is an elastic core assembly having a base nonwoven layer, a top nonwoven layer, and a plurality of spaced apart elastics sandwiched therebetween. The elastics are secured to one or both layers and form therewith, a plurality of elongated spaces wherein SAP material is deposited. Also described are s system and method of making the elastic core composite or assembly, and a disposable absorbent article incorporating the elastic core assembly.Type: GrantFiled: November 23, 2016Date of Patent: October 13, 2020Assignee: DSG Technology Holdings Ltd.Inventors: Eugenio Varona, Andrew Wright
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Patent number: 10780417Abstract: The present invention relates to superabsorbent polymer having excellent centrifuge retention capacity and permeability. The superabsorbent polymer simultaneously exhibits excellent centrifuge retention capacity and permeability, and thus, can fundamentally solve the problems of the existing superabsorbent polymer and technical requirement of the art, and can provide various hygienic goods exhibiting more excellent properties.Type: GrantFiled: January 5, 2017Date of Patent: September 22, 2020Assignee: LG Chem, Ltd.Inventors: Ju Eun Kim, Gi Cheul Kim, Won Mun Choi, Ki Hyun Kim, Seul Ah Lee, Won Taeck Lim
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Patent number: 10736795Abstract: An absorbent article for personal hygiene comprising: a topsheet, a backsheet, an absorbent core, the backsheet comprising a plastic film having a longitudinal tear strength measured in N/cm; the absorbent core being partially attached to the plastic film of the backsheet by a first glue wherein at least a continuous area of 10 mm in longitudinal direction and 25 mm in transversal direction of the bottom side of the core is unattached to the backsheet by the first glue or by any other means of attachment. In the first glue application area, the absorbent article has a core-to-backsheet peel strength measured in N/cm, such that the core-to-backsheet peel strength ranges from 10% to 40% of the longitudinal tear strength of the plastic film.Type: GrantFiled: May 12, 2016Date of Patent: August 11, 2020Assignee: The Procter & Gamble CompanyInventors: Ernesto Gabriel Bianchi, José Mauricio Berrizbeitia
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Patent number: 10683375Abstract: The present invention relates to a superabsorbent polymer having excellent short time free absorbency. The superabsorbent polymer may exhibit excellent centrifuge retention capacity and absorbency under load, as well as excellent short time free absorbency. Thus, it can fundamentally solve the problems of the existing superabsorbent polymer and technical requirement of the art, and can provide various hygienic goods exhibiting more excellent properties.Type: GrantFiled: January 5, 2017Date of Patent: June 16, 2020Assignee: LG Chem, Ltd.Inventors: Kyu Pal Kim, Gi Cheul Kim, Won Mun Choi, Ki Hyun Kim, Seul Ah Lee, Won Taeck Lim
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Patent number: 10669382Abstract: The present invention relates to a superabsorbent polymer exhibiting excellent heat stability.Type: GrantFiled: January 5, 2017Date of Patent: June 2, 2020Assignee: LG Chem, Ltd.Inventors: Kyu Pal Kim, Gi Cheul Kim, Won Mun Choi, Ki Hyun Kim, Seul Ah Lee, Won Taeck Lim
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Patent number: 10669361Abstract: The present invention relates to a method for superabsorbent polymer that has a crosslinking density gradient increasing from the inside toward the outside, and thus, exhibits excellent properties with simultaneously improved centrifuge retention capacity and absorbency under load.Type: GrantFiled: December 23, 2016Date of Patent: June 2, 2020Assignee: LG Chem, Ltd.Inventors: Ki Hyun Kim, Gi Cheul Kim, Won Mun Choi, Won Taeck Lim, Seul Ah Lee
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Patent number: 10618996Abstract: Provided are methods for surface-modifying a thermoplastic resin which produce surfaces that show not only low adsorption of proteins and cells but also selective adsorption or adhesion of specific cells such as cancer cells, and further have excellent durability. A method for surface-modifying an object made of a thermoplastic resin, the method including: step 1 of forming polymerization initiation points on the surface of the object; and step 2 of radically polymerizing at least a hydrophilic monomer starting from the polymerization initiation points by irradiation with UV light having a wavelength of 300 to 400 nm to form a graft layer having a thickness of 2 to 100 nm on the surface of the object.Type: GrantFiled: April 24, 2017Date of Patent: April 14, 2020Assignees: SUMITOMO RUBBER INDUSTRIES, LTD., YAMAGATA UNIVERSITYInventors: Yasuhisa Minagawa, Masaru Tanaka, Takashi Hoshiba, Tomokazu Shibuya
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Patent number: 10555840Abstract: A method for making a disposable absorbent core comprises depositing absorbent particulate polymer material from a plurality of reservoirs in a printing roll onto a substrate disposed on a grid of a support which includes a plurality of cross bars extending substantially parallel to and spaced from one another so as to form channels extending between the plurality of cross bars. The plurality of reservoirs in the first peripheral surface are arranged in an array comprising rows extending substantially parallel to and spaced from one another. A disposable absorbent article and apparatus for making an absorbent article are also disclosed.Type: GrantFiled: November 27, 2017Date of Patent: February 11, 2020Assignee: The Procter & Gamble CompanyInventors: Harald Hermann Hundorf, Miguel Brandt Sanz, Holger Beruda, Horst Blessing, Peter Dziezok, Axel Krause, Mattias Schmidt, Lutz Stelzig
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Patent number: 10543129Abstract: An absorbent article, such as a diaper or a training pant, having a wearer-facing side and a garment-facing side and a longitudinal axis. The absorbent article comprises a topsheet on the wearer-facing side, a backsheet on the garment-facing side, and an absorbent core between the topsheet and backsheet. The absorbent core comprises a pair of generally longitudinally-extending channels. The absorbent article further comprises a wetness indicator at least partially superposed with at least one of the channels, as seen from the garment-facing side of the article.Type: GrantFiled: May 24, 2016Date of Patent: January 28, 2020Assignee: The Procter & Gamble CompanyInventors: John Andrew Strasemeier, Theodore Cory Fites, Sarah Ann Sanborn
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Patent number: 10538878Abstract: A method is provided for recovering pulp fibers having little damage from a used absorbent article which includes a water permeable front sheet, a water impermeable back sheet and an absorbent body that contains pulp fibers and a superabsorbent polymer. At least one opening with a circle equivalent diameter of 5-45 mm, or 10-45 mm cut, is made in the front sheet and/or the back sheet of the used absorbent article, which is then agitated in an organic acid aqueous solution with a pH of less than or equal to 2.5, and the superabsorbent polymer is deactivated and the pulp fibers and superabsorbent polymer are discharged from the used absorbent article through the opening or cut.Type: GrantFiled: June 9, 2017Date of Patent: January 21, 2020Assignee: UNICHARM CORPORATIONInventors: Takayoshi Konishi, Toshio Hiraoka, Koichi Yamaki, Noritomo Kameda
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Patent number: 10519579Abstract: Nonwoven textile fabrics in accordance with the present invention are formed primarily of individualized bast fibers substantially free of pectin having a mean length less than 6 millimeters. The nonwoven fabric can include staple fibers and/or pulp fibers. Individualized bast fibers include fibers derived from the flax and hemp plants. The nonwoven textile fabric is formed into a web while in a dry state and subsequently bonded to produce a nonwoven fabric.Type: GrantFiled: March 7, 2014Date of Patent: December 31, 2019Assignee: GPCP IP Holdings LLCInventors: Samuel Charles Baer, Alan Edward Wright, Joseph H. Miller, Micheal Shea Lerch
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Patent number: 10517776Abstract: An absorbent core for disposable absorbent articles comprising absorbent material having a basis weight that varies across the absorbent core is provided.Type: GrantFiled: September 21, 2015Date of Patent: December 31, 2019Assignee: The Procter & Gamble CompanyInventors: Peter Armstrong Ostle, Harald Hermann Hundorf, Birgit Wirtz, Thorsten Frings, Bruno Johannes Ehrnsperger, Maike Thomann
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Patent number: 10517774Abstract: An absorbent article has a longitudinal direction and a lateral direction perpendicular to each other, and includes a waist part along the lateral direction. The waist part includes nonwoven fabric and a plurality of stretchable members. In a state in which the waist part is extended along the lateral direction, an opening is formed in the waist part between stretchable members that are adjacent in the longitudinal direction. A high density region exists longitudinally between the opening and one of the adjacent stretchable members. An external region exists longitudinally between the high density region and another one of the adjacent stretchable members. The high density region has a predetermined lateral length. A density of fibers of the nonwoven fabric in the high density region is larger than in the external region. A part of an edge of the opening includes a portion in which fibers are not fused.Type: GrantFiled: August 30, 2016Date of Patent: December 31, 2019Assignee: UNICHARM CORPORATIONInventor: Kunihiko Katsuragawa
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Patent number: 10426671Abstract: A method of manufacturing a nonwoven including the steps of: forming a nonwoven web substantially comprised of continuous fibers; applying a bonding pattern to said nonwoven web using a smooth roll and a calender roll wherein said bonding pattern comprises a pattern having unbonded areas; and subjecting the side of said nonwoven web contacted by said smooth roll to a hydraulic treatment at a pressure of between 25 and 75 bars and a total energy of about 0.01-0.04 kwhr/kg., wherein said continuous fibers are comprised of between 97% and 98.5% by weight of an olefin resin comprising substantially of polypropylene and between 1.5% and 3% by weight of a whitener.Type: GrantFiled: August 30, 2016Date of Patent: October 1, 2019Assignees: PFNonwovens LLC, The Procter & Gamble CompanyInventors: W. Andrew Coslett, John C. Parsons, Kevin Ronald Kanya
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Patent number: 10429335Abstract: It is described an integrated gas sensor device comprising a silicon substrate and an oxide layer on the silicon substrate, as well as a working electrode, a counter electrode and a reference electrode, on the oxide layer, the working electrode and the counter electrode having respective active area exposed to an environmental air through at least a plurality of first openings and a plurality of second openings in the oxide layer in correspondence of the working electrode and of the counter electrode, further comprising an electrolyte layer portion and a hydrogel layer portion on the electrolyte layer portion, the electrolyte and hydrogel layer portions having a same size, suitable to cover at least the working, counter and reference electrodes, the hydrogel layer portion acting as a “quasi solid state” water reservoir.Type: GrantFiled: July 24, 2017Date of Patent: October 1, 2019Assignee: STMicroelectronics S.r.l.Inventors: Fabrizio Porro, Valeria Casuscelli, Francesco Foncellino, Giovanna Salzillo, Luigi Giuseppe Occhipinti