Thermoplastic Patents (Class 604/366)
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Patent number: 8231595Abstract: A stretchable laminate, a process of making a stretchable laminate and a disposable absorbent article that includes a stretchable laminate are disclosed. The stretchable laminate includes a nonwoven web and a web of elastomeric material. The nonwoven web includes two layers of spunbond multi-component fibers and one layer of meltblown fibers. The multi-component fibers include a first polymer and a second polymer having different melt temperatures. Thermo-bonds are formed at least partially through the nonwoven web. Some of the thermo-bonds can be elongated in the cross-machine direction of the nonwoven web.Type: GrantFiled: April 8, 2010Date of Patent: July 31, 2012Assignee: The Procter & Gamble CompanyInventors: Robert Haines Turner, Donald Zgoda, Walter Douglas Daniels, Jim Thomas Bader, Erika Fabiola Galvis
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Patent number: 8226625Abstract: A stretchable laminate, a process of making a stretchable laminate and a disposable absorbent article that includes a stretchable laminate are disclosed. The stretchable laminate includes a nonwoven web and a web of elastomeric material. The nonwoven web includes two layers of spunbond fibers and one layer of meltblown fibers. Some of the meltblown fibers are present in the interstices formed by the spunbond fibers of one of the layers.Type: GrantFiled: April 8, 2010Date of Patent: July 24, 2012Assignee: The Procter & Gamble CompanyInventors: Robert Haines Turner, Donald Zgoda, Walter Douglas Daniels, Jim Thomas Bader, Erika Fabiola Galvis
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Patent number: 8226626Abstract: A stretchable laminate, a process of making a stretchable laminate and a disposable absorbent article that includes a stretchable laminate are disclosed. The stretchable laminate includes a nonwoven web and a web of elastomeric material. The nonwoven web includes two layers of spunbond fibers and one layer of meltblown fibers. Some of the meltblown fibers are present in the interstices formed by the spunbond fibers of one of the layers. As a result of activation of the stretchable laminate, the nonwoven web has a Residual Maximum Peak Force of at least 0.3 N/cm.Type: GrantFiled: April 8, 2010Date of Patent: July 24, 2012Assignee: The Procter & Gamble CompanyInventors: Robert Haines Turner, Donald Zgoda, Walter Douglas Daniels, Jim Thomas Bader, Erika Fabiola Galvis
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Publication number: 20120179126Abstract: An absorbent article having improved softness signals is disclosed. The article may include a topsheet or a backsheet including a nonwoven web. The web may have a basis weight of 30 gsm or less, may be formed of spunlaid fibers including polyolefin and up to 5 percent by weight TiO2, and may be impressed with a pattern of bond impressions to a bond area percentage of at least 10 percent forming a pattern of bonded regions and raised regions. The web may have opacity of 42 or greater; have an average height difference between bonded regions and raised regions of at least 280 ?m; be hydroengorged; and/or have a cross-direction tensile strength of 350 gf/cm. A nonwoven web manufactured to have a suitable combination of such features exhibits an enhanced appearance of softness, soft tactile feel and satisfactory mechanical attributes, while being relatively cost effective.Type: ApplicationFiled: August 19, 2011Publication date: July 12, 2012Inventors: Kevin Ronald Kanya, W. Andrew Coslett, John C. Parsons
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Publication number: 20120179125Abstract: An absorbent article having improved softness signals is disclosed. The article may include a topsheet or a backsheet including a nonwoven web. The web may have a basis weight of 30 gsm or less, may be formed of spunlaid fibers including polyolefin and up to 5 percent by weight TiO2, and may be impressed with a pattern of bond impressions to a bond area percentage of at least 10 percent forming a pattern of bonded regions and raised regions. The web may have opacity of 42 or greater; have an average height difference between bonded regions and raised regions of at least 280 ?m; be hydroengorged; and/or have a cross-direction tensile strength of 350 gf/cm. A nonwoven web manufactured to have a suitable combination of such features exhibits an enhanced appearance of softness, soft tactile feel and satisfactory mechanical attributes, while being relatively cost effective.Type: ApplicationFiled: August 19, 2011Publication date: July 12, 2012Inventors: Kevin Ronald Kanya, W. Andrew Coslett, John C. Parsons
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Publication number: 20120165774Abstract: In a disposable wearing article, a first waist region is elasticized and formed of an inner sheet and an outer sheet. The non-skin-facing side of the outer sheet is formed substantially over its entire area with a plurality of thermocompression-bonded spots regularly and intermittently arranged at predetermined intervals. The outer sheet has non-thermocompressed regions surrounded by a plurality of thermocompression-bonded spots. A fibrous layer lying at least on the outer surface of said outer sheet is formed of thermal adhesive crimped fibers which are bonded together by thermocompression-bonding treatment in the thermocompression-bonded spots. The outer sheet and the inner sheet are bonded to each other by adhesive applied on at least one of respective opposite surfaces thereof so that the crimped fibers in the non-thermocompressed regions may protrude outward in a thickness direction of the outer sheet as the inner sheet contracts in the direction of the transverse axis Q.Type: ApplicationFiled: August 31, 2010Publication date: June 28, 2012Applicant: UNICHARM CORPORATIONInventors: Toshifumi Otsubo, Tatsuya Hashumoto, Mariko Yamashita, Etsuko Kudo
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Publication number: 20120157950Abstract: An absorbent article is provided. The absorbent article includes a liquid pervious film topsheet having a body facing surface and a garment facing surface; a backsheet having a body facing surface and a garment facing surface; an absorbent core having a body facing surface and a garment facing surface, the absorbent core being provided between the topsheet and the backsheet; and a bonding layer having a body facing surface and a garment facing surface. The body facing surface of the bonding layer has a fibrous matrix comprising cellulosic fibers and thermoplastic fibers, and the garment facing surface of the topsheet is directly bonded to the body facing surface of the bonding layer at discrete adhesive-free bond points.Type: ApplicationFiled: December 2, 2011Publication date: June 21, 2012Inventors: Ralf Geilich, Vito Carla, Digvijay Rawat, Ronda Lynn Glassmeyer, Pietro Cecchetto, Christopher Bewick-Sonntag, Christian Seib
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Patent number: 8188333Abstract: A plastic sheet having cloth-like appearance and thermoplasticity and provided with melt patterns in the sheet face, the melt patterns formed in a predetermined arrangement under an elongating condition of the plastic sheet so as to form convex-concave wrinkles in regions between neighboring melt patterns in the plastic sheet under an un-elongating condition.Type: GrantFiled: September 13, 2001Date of Patent: May 29, 2012Assignee: Daio Paper CorporationInventors: Masaki Matsuoka, Masaya Fujita
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Patent number: 8183429Abstract: A composite sheet which has a low basis weight, can be prevented from breaking during the production of an absorbent article or in use, and is good to the touch. The composite sheet is a sheet formed by bonding a stretch nonwoven fabric to a nonstretch nonwoven fabric with an adhesive. The stretch nonwoven fabric is bonded in a stretched state to the nonstretch sheet. The stretch nonwoven fabric has, on each side, strip-form sparse regions and strip-form dense regions alternately formed. The sparse regions and dense regions on one side are alternately formed in a second direction so that the dense regions on this side do not overlie the dense regions on the other side. The composite sheet has a maximum breaking strength of 20 N/50 mm or higher.Type: GrantFiled: November 26, 2007Date of Patent: May 22, 2012Assignee: Uni-Charm CorporationInventors: Tatsuya Hashimoto, Hirotomo Mukai, Satoshi Mitsuno, Tomoko Tsuji, Kenichi Akaki
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Patent number: 8162910Abstract: An absorbent article having colored regions. The absorbent article has at least three colored regions. The colored regions are spaced apart from one another. Each colored region has a major axis. The major axis of each colored region converges towards a common focal region on the longitudinal centerline of the absorbent article.Type: GrantFiled: May 7, 2008Date of Patent: April 24, 2012Assignee: The Procter & Gamble CompanyInventor: Naomi Ruth Nelson
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Patent number: 8105301Abstract: Disclosed is a unitary absorbent structure including a fluid acquisition stratum; a fluid distribution stratum; and a fluid storage stratum between the acquisition stratum and the distribution stratum. Each of the acquisition, distribution, and storage strata are in fluid communication with each other.Type: GrantFiled: April 29, 2002Date of Patent: January 31, 2012Assignee: Buckeye Technologies Inc.Inventors: Samuel Charles Baer, Shiu-Kang Laurence Li, John P. Erspamer, James Richard Gross
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Publication number: 20110319846Abstract: A disposable diaper is disclosed. The diaper includes a colored topsheet. The topsheet has a basis weight of from 12 to 18 gsm and comprises a plurality of bonded points. Each of the bonded points has a surface area of from 2 mm2 to 5 mm2 and the cumulated surface area of the plurality of bonded points is from 10 to 25% of the total surface area of the topsheet.Type: ApplicationFiled: June 24, 2011Publication date: December 29, 2011Applicant: The Procter & Gamble CompanyInventors: Thorsten Rinnert, Manuela Schneider, Nicole Anja Reichardt, Bettina Kruse
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Patent number: 8075543Abstract: A disposable diaper 1 includes a topsheet 2, a backsheet 3, and an absorbent member 4 between the sheets 2 and 3. A pair of leg flaps 5 each having an elastic member is provided along the laterally opposite side edges of the absorbent member 4. Each of the leg flaps 5 is fixed at its front end portion 52 and rear end portion 53 to a portion C, one of longitudinally opposite end portions of the diaper, and to a portion B, the other end portion, in such a configuration that each of the leg flaps 5 may be folded back over the side of the backsheet 3 when the disposable diaper 1 is in a flat-out state with the elastic members stretched.Type: GrantFiled: April 28, 2006Date of Patent: December 13, 2011Assignee: Kao CorporationInventor: Yasuyuki Okuda
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Publication number: 20110288513Abstract: 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: ApplicationFiled: August 4, 2011Publication date: November 24, 2011Inventors: Harald Hermann Hundorf, Holger Beruda, Horst Blessing, Peter Dziezok, Axel Krause, Mattias Schmidt, Lutz Stelzig
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Patent number: 8049060Abstract: Bulk softened fibrous structures, especially bulk softened, polar agent-free fibrous structures, and methods for making such fibrous structures are provided.Type: GrantFiled: June 29, 2006Date of Patent: November 1, 2011Assignee: The Procter & Gamble CompanyInventors: Kenneth Douglas Vinson, Michael Scott Prodoehl
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Patent number: 8038661Abstract: Absorbent articles assembled using a low cold flow construction adhesive are described. The absorbent articles have an in bag compression opening force of less than about 0.75N. A method for making the absorbent articles is also described.Type: GrantFiled: August 30, 2006Date of Patent: October 18, 2011Assignee: The Procter & Gamble CompanyInventors: Shunketsu Sue, Ebrahim Rezai
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Publication number: 20110208140Abstract: A disposable absorbent article may include a chassis, an absorbent core, a pair of elastically elongatable ears and a pair of fastening tabs. The elastically elongatable ears and the fastening tabs have a transverse axis. The ears are connected to the chassis such that the transverse axis of the fastening tabs is located in specific portions of the article. The absorbent core is free of cellulosic fibers.Type: ApplicationFiled: February 25, 2011Publication date: August 25, 2011Inventors: Donald Carroll Roe, Mark James Kline
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Publication number: 20110208144Abstract: A disposable absorbent article may include a chassis, an absorbent core, a pair of elastically elongatable ears and a pair of fastening tabs. The elastically elongatable ears and the fastening tabs have a transverse axis. The ears are connected to the chassis such that the transverse axis of the fastening tabs is located in specific portions of the article. The absorbent core is free of cellulosic fibers.Type: ApplicationFiled: February 25, 2011Publication date: August 25, 2011Inventors: Donald Carroll Roe, Mark James Kline
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Publication number: 20110208141Abstract: A disposable absorbent article may include a chassis, an absorbent core, a pair of elastically elongatable ears and a pair of fastening tabs. The elastically elongatable ears and the fastening tabs have a transverse axis. The ears are connected to the chassis such that the transverse axis of the fastening tabs is located in specific portions of the article. The absorbent core is free of cellulosic fibers.Type: ApplicationFiled: February 25, 2011Publication date: August 25, 2011Inventors: Donald Carroll Roe, Mark James Kline
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Publication number: 20110208142Abstract: A disposable absorbent article may include a chassis, an absorbent core, a pair of elastically elongatable ears and a pair of fastening tabs. The elastically elongatable ears and the fastening tabs have a transverse axis. The ears are connected to the chassis such that the transverse axis of the fastening tabs is located in specific portions of the article. The absorbent core is free of cellulosic fibers.Type: ApplicationFiled: February 25, 2011Publication date: August 25, 2011Inventors: Donald Carroll Roe, Mark James Kline
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Publication number: 20110208143Abstract: A disposable absorbent article may include a chassis, an absorbent core, a pair of elastically elongatable ears and a pair of fastening tabs. The elastically elongatable ears and the fastening tabs have a transverse axis. The ears are connected to the chassis such that the transverse axis of the fastening tabs is located in specific portions of the article. The absorbent core is free of cellulosic fibers.Type: ApplicationFiled: February 25, 2011Publication date: August 25, 2011Inventors: Donald Carroll Roe, Mark James Kline
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Patent number: 7994233Abstract: A thermoplastic composition that includes from about 1% by weight to 25% by weight block copolymer having the formula (A-B)x or A-B-A, where the A block includes polyvinylarene, the B block includes poly(monoalkenyl) and x is an integer of at least one, spherical superabsorbent particles comprising polyacrylate, and plasticizing oil, the composition exhibiting water gel time of no greater than 2 minutes, a viscosity of no greater than 100,000 centipoise and a wet tensile strength of at least 15 g/in2.Type: GrantFiled: December 8, 2004Date of Patent: August 9, 2011Assignee: H.B. Fuller CompanyInventors: Fouad D. Mehawej, Eugene R. Simmons
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Publication number: 20110190721Abstract: A pant-type wearing article configured so that fasteners used to connect front and rear waist regions with each other can be engaged with and disengaged from each other in a repetitive manner. Of the front and rear waist regions, at least one waist region, for example, the front waist region is formed in its transversely opposite lateral zones with inelastic regions being neither elastically stretchable nor elastically contractible in a waistline direction. These inelastic regions are provided with first fastener members selected from the first fastener members and second fastener members. The front waist region is further formed inside the respective inelastic regions as viewed in the waistline direction with a plurality of film-like joints defined by integrated sheet members forming the lateral zones.Type: ApplicationFiled: April 20, 2009Publication date: August 4, 2011Inventors: Akiyoshi Kinoshita, Yasuhiko Kenmochi
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Publication number: 20110152806Abstract: An absorbent article comprises a signal composite comprising a carrier substrate layer, a first stimulation layer, a second stimulation layer, a first thermoplastic adhesive layer and a second thermoplastic adhesive layer. The carrier substrate layer is disposed as a bottom layer of the signal composite. The first stimulation layer comprises a first stimulation material and is disposed above and adjacent to the carrier substrate layer. The second stimulation layer comprises a second stimulation material and is disposed above and adjacent to the first stimulation layer to provide the body-facing surface of the signal composite. The first thermoplastic adhesive layer is liquid permeable or water-soluble and is disposed between and adjacent to the carrier substrate layer and the first stimulation layer. The second thermoplastic adhesive layer is liquid permeable or water-soluble and is disposed between the first stimulation layer and the second stimulation layer.Type: ApplicationFiled: December 23, 2009Publication date: June 23, 2011Inventors: Peiguang Zhou, Andrew Mark Long, Dave Allen Soerens, Kaiyuan Yang, Davis-Dang Hoang Nhan
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Patent number: 7951126Abstract: An absorbent article is disclosed in which an absorbent body intervenes between a liquid permeable front sheet and a back sheet. A middle-height portion is provided by thickening a front surface of an approximately center area of the absorbent body with respect to a standard portion absorbent body. The article includes leakage preventing grooves which extend to a longitudinal direction of the absorbent article are provided on both sides which sandwich a body fluid discharge portion area in the area of the middle-height portion, respectively.Type: GrantFiled: September 30, 2004Date of Patent: May 31, 2011Assignee: Daio Paper CorporationInventors: Ayako Nanjyo, Yasuo Ido
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Patent number: 7943813Abstract: An absorbent article, such as a feminine care product, includes a liquid permeable liner layer, a generally liquid impermeable outer cover layer, and an absorbent layer disposed between the liner layer and outer cover layer. Spaced apart solidified deposits of a phase-change liquid are defined on either the liner layer top surface, bottom surface or both surfaces, and/or other layers along the other layers' upper or lower surfaces. The deposits are defined such that areas of the liner layer top surface are exposed thereby being permeable to bodily exudates insulting the article between the deposits while acting as a barrier against liquid that may flow back to the liner layer or other treated layers from the absorbent layer or other layers contained in the absorbent article.Type: GrantFiled: December 30, 2002Date of Patent: May 17, 2011Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Teresa De Jesus Petryk, Jason Matthew English, Rebecca Willey Griffin, Varunesh Sharma, Patricia A. Stern
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Publication number: 20110112498Abstract: An absorbent article having a stretchable substrate and an absorbent composite comprising a layer of adhesive composition in contact with the stretchable substrate. A layer of particulate superabsorbent material is applied to and held by the adhesive composition. The absorbent composite is secured to the substrate by the adhesive composition. The stretchable substrate has a recovery in at least one of the lateral direction and the longitudinal directions of the article as determined by an Elongation and Recovery Test, and the absorbent article has a recovery in the at least one of the lateral direction and the longitudinal direction as determined by the Elongation and Recovery Test that is at least about 60 percent of the recovery of the substrate in the at least one of the lateral direction and the longitudinal direction.Type: ApplicationFiled: December 6, 2010Publication date: May 12, 2011Applicant: KIMBERLY-CLARK WORLDWIDE, INC.Inventors: Davis Dang Hoang Nhan, Mark M. Mleziva, Lawrence H. Sawyer, Peiguang Zhou
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Patent number: 7935860Abstract: An absorbent article can have a topsheet, a backsheet, and an absorbent core disposed between the topsheet and the backsheet. In some aspects, at least one of the topsheet, backsheet, and absorbent core is stretchable. In other aspects, the absorbent core can comprise layers, at least one of which includes substantially the superabsorbent material only and at least one of which includes substantially fluff only. In some aspects, the article includes superabsorbent material having a surface additive that includes a surface crosslinking agent, a water-insoluble inorganic metal compound and a polymeric coating.Type: GrantFiled: March 23, 2007Date of Patent: May 3, 2011Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Richard N. Dodge, II, Tammy J. Nettekoven, Scott J. Smith, Stan McIntosh, David L. Bergman, Jr.
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Patent number: 7867210Abstract: In a disposable absorbent article structured such that an article body is composed of at least a top sheet arrange in a front face side, a back sheet arranged in a back face side and an absorber interposed between both of top sheet and back sheet, and a feces pocket is provided in a hip contact portion of the article body, wherein an opening portion of the feces pocket is covered with a mesh sheet.Type: GrantFiled: October 14, 2005Date of Patent: January 11, 2011Assignee: Daio Paper CorporationInventors: Yosuke Mori, Shinichi Kouno, Tomoka Kamoto
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Publication number: 20100331800Abstract: Provided herein are composition comprising a farnesene interpolymer. The farnesene interpolymer can be derived from a farnesene and at least one vinyl monomer. In some embodiments, the mole percent ratio of the farnesene to the at least one vinyl monomer is from about 1:4 to about 100:1. In certain embodiments, the farnesene is ?-farnesene, ?-farnesene or a combination thereof. In some embodiments, the at least one vinyl monomer is ethylene, an ?-olefin such as styrene, or a substituted or unsubstituted vinyl halide, vinyl ether, acrylonitrile, acrylic ester, methacrylic ester, acrylamide or methacrylamide, or a combination thereof.Type: ApplicationFiled: June 29, 2010Publication date: December 30, 2010Applicant: Amyris Biotechnologies, Inc.Inventor: Derek James MCPHEE
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Publication number: 20100318049Abstract: An absorbent layer containing water-absorbing polymeric particles that are surface-treated and that are immobilized by a matrix, formed from a thermoplastic adhesive component, including a thermoplastic polymers and a specific plasticizer, and being free of low weight average molecular weight (e.g. below 1000, or below 2000 or even below 3000 g/mole) tackifiers and plasticizers. The absorbent articles may for example be adult incontinence articles, infant (e.g. baby, toddler) diapers, including training pants, and feminine hygiene articles, such as sanitary napkins.Type: ApplicationFiled: June 16, 2009Publication date: December 16, 2010Inventors: Axel Meyer, Robin Lynn McKiernan, Jean-Philippe Marie Autran, Gabriele Stiehl
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Patent number: 7851667Abstract: An absorbent article, preferably a disposable absorbent article such as a diaper, is disclosed that provides an improved immobilization of absorbent polymer material when the article is fully or partially urine loaded. This absorbent core is useful for providing an absorbent article of increased wearing comfort. Specifically disclosed is an absorbent core useful for an absorbent article comprising a substrate layer and absorbent material, the absorbent material comprising an absorbent polymer material, the absorbent material optionally comprising absorbent fibrous material, the absorbent fibrous material not representing more than 20% of the weight of absorbent polymer material, wherein the absorbent material is immobilized when wet such that the absorbent core achieves a wet immobilization of more than 50%, preferably of more than 60%, 70%, 80% or 90% according to the Wet Immobilization Test described herein.Type: GrantFiled: March 13, 2007Date of Patent: December 14, 2010Assignee: The Procter & Gamble CompanyInventors: Uwe Jurgen Becker, Ludwig Busam, Bruno Johannes Ehrnsperger, Torsten Lindner, Siegfried Link, Volker Maier, Sanaul Kabir Siddiquee, Gabriele Stiehl, Thomas Tombuelt
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Publication number: 20100312209Abstract: The present invention aims to provide an absorbent article adapted to maintain a desired flexibility of the topsheet and to prevent the article from becoming glossy. A sanitary napkin 1 comprises a topsheet 2 defining an inner side facing the wearer's skin, an outer side facing the wearer's garment, a liquid-absorbent structure 4 interposed between these top- and backsheets 2, 3, and a cushion sheet 5 interposed between the liquid-absorbent structure 4 and the topsheet 2. The topsheet 2 is formed with a plurality of pores 6 assuring liquid-pervious property thereof. The pores 6 are distributed over an entire area of the topsheet 2 and extending through the topsheet 2 in its thickness direction. The topsheet 2 is debossed to form a plurality of concavities 13 directed toward the side of the cushion sheet 5.Type: ApplicationFiled: August 15, 2008Publication date: December 9, 2010Applicant: UNI-CHARM CORPORATIONInventors: Masahiro Kashiwagi, Saori Okada
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Publication number: 20100312208Abstract: The present disclosure is directed to a disposable absorbent article comprising a fluid permeable structured fibrous web, the fibrous web comprising thermally stable, fibers that are thermally bonded together using heat producing a base substrate that is thermally stable. The base substrate is textured via mechanical treatment producing a structured fibrous web having an aged caliper of less than 1.5 mm, a vertical wicking height of at least 5 mm, a permeability of at least 10,000 cm2/(Pa·s) and a specific volume of at least 5 cm3/g. The structured fibrous web provides optimal fluid wicking and the fluid acquisition capabilities and is directed toward fluid management applications.Type: ApplicationFiled: June 3, 2009Publication date: December 9, 2010Inventors: Eric Bryan Bond, Carola Elke Beatrice Krippner, Ute Froehlich
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Patent number: 7841054Abstract: This invention aims at developing a sanitary body cavity sealing device which prevents leakage of substances in the rectum of a corpse due to anal muscle relax after die, simplifies the postmortem treatment work for persons working on it or nurses and prevents infection to the persons, nurses or those around due to leakage of body internal substances. The body cavity sealing member (10) is made of porous fiber elements that absorb water on contact with body fluids in a body cavity to expand up to approximately 2.5 or more times its diameter, its end part (15) is cut into a tapered shape and the cut surface (15) is processed, for example, by heat treatment, to form a smooth surface. By inserting the body cavity sealing member (10) with the end part first into the anus, it can be inserted into the rectum without being interfered with by the inner walls of the anus and rectum.Type: GrantFiled: October 18, 2004Date of Patent: November 30, 2010Inventor: Toshiki Okamoto
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Patent number: 7837662Abstract: An absorbent article that has a thin, conformable absorbent core where the core has at least two layers, both of which includes (different) superabsorbent material and both being typically substantially free of cellulosic fibers is described. The absorbent article has a Circular Bend Flexibility of less than about 15 N and typically a an acquisition rate on the third gush of less than about 170 seconds and/or on the fourth gush of less than about 190 seconds.Type: GrantFiled: July 26, 2006Date of Patent: November 23, 2010Assignee: The Procter & Gamble CompanyInventors: Yasue Nakagawa, Holger Beruda, Mattias Schmidt
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Publication number: 20100286642Abstract: Disclosed herein is a new use for water-stable, oil-modified, nonreactive alkyd resins. It has now been found that such resins can be used as the predominant component of a construction adhesive employed in the manufacture of disposable absorbent articles, for example. As such, the construction adhesive need not employ plasticizers, tackifiers, and conventional polymers required by hot-melt adhesives typically used as construction adhesives. Furthermore, in the manufacture of disposable absorbent articles, the construction adhesive containing a water-stable, oil-modified, nonreactive, alkyd resin does not need to be processed or applied at the high temperatures required of construction adhesives containing reactive alkyds.Type: ApplicationFiled: May 11, 2009Publication date: November 11, 2010Inventors: William Maxwell Allen, JR., Isao Noda, Wolfgang Edgar Huhn
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Patent number: 7824385Abstract: Sanitary articles such as sanitary napkins including several layers, wherein an ink is applied on at least one of the layers. The ink application area is situated at least partially above the core and extends outwardly across at least a portion of the periphery of the core, but does not entirely cover the core. The ink is visible in the finished article. The ink provides improved resistance to re-wet of the topsheet and side leakage of the core.Type: GrantFiled: October 20, 2006Date of Patent: November 2, 2010Assignee: The Procter & Gamble CompanyInventors: Cornelia Ecker, Ivano Gagliardi, Vincenzo Partenza, Paolo Veglio
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Patent number: 7825169Abstract: A water-absorbent composition includes: a specific plant extract; a water-absorbent resin whose surface portion and/or periphery thereof is treated; and/or a water-absorbent resin having a specific property. Specifically, it is preferable to use a water-absorbent resin having three characteristics: (1) a specific neutralization rate, (2) a specific particle diameter, and (3) a specific plant extract. The water-absorbent composition has a superior deodorant performance and an absorbent characteristic when the water-absorbent composition is used (provided) in an absorbing product such as a paper diaper, thereby providing a superior deodorant performance and a superior absorbent characteristic to the foregoing absorbing product.Type: GrantFiled: May 30, 2003Date of Patent: November 2, 2010Assignee: Nippon Shokubai Co. Ltd.Inventors: Katsuyuki Wada, Hiroko Ueda, Kunihiko Ishizaki, Yoshio Irie, Yasuhisa Nakashima
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Publication number: 20100262104Abstract: Disposable absorbent article absorbent core for the absorption of menses or blood, having porous absorbent gelling material.Type: ApplicationFiled: April 6, 2010Publication date: October 14, 2010Applicant: The Procter & Gamble CompanyInventors: Giovanni Carlucci, Maurizio Tamburro, Achille Di Cintio
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Publication number: 20100262105Abstract: A stretchable laminate, a process of making a stretchable laminate and a disposable absorbent article that includes a stretchable laminate are disclosed. The stretchable laminate includes a nonwoven web and a web of elastomeric material. The nonwoven web includes two layers of spunbond multi-component fibers and one layer of meltblown fibers. The multi-component fibers include a first polymer and a second polymer having different melt temperatures. Thermo-bonds are formed at least partially through the nonwoven web. Some of the thermo-bonds can be elongated in the cross-machine direction of the nonwoven web.Type: ApplicationFiled: April 8, 2010Publication date: October 14, 2010Inventors: Robert Haines Turner, Donald Zgoda, Walter Douglas Daniels, Jim Thomas Bader, Erika Fabiola Galvis
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Patent number: 7806884Abstract: A pant type absorbent article such as a pant diaper, a sanitary pant or incontinence pant, the article having a core region including an absorbent core and a chassis region surrounding the core region. The article, at least in part of the chassis region, has a outer coversheet in the form of an elastic laminate having puncture resistance of at least 15N, wherein the laminate includes first and second layers of fibrous material and an elastic film layer located between the first and second fibrous layers and in which at least one of the layers of fibrous material has an elongation at maximum load greater than the elasticity of the elastic laminate.Type: GrantFiled: June 22, 2004Date of Patent: October 5, 2010Assignee: SCA Hygiene Products ABInventors: Jenny Hildeberg, Elisabeth Lakso
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Patent number: 7806883Abstract: An absorbent article may comprise a topsheet; a backsheet joined with the topsheet; an absorbent core between the topsheet and backsheet; and an elastic element comprising a breathable stretch laminate. The breathable stretch laminate may comprise a first substrate; and an elastic member joined to the first substrate, wherein said elastic member comprises a polyurethane. The breathable stretch laminate may exhibit a MVTR greater than about 300 grams per square meter per 24 hours and a force relaxation of less than about 50% after about 10 hours at 100° F. and 50% elongation.Type: GrantFiled: January 17, 2006Date of Patent: October 5, 2010Assignee: The Procter & Gamble CompanyInventors: Renae Dianna Fossum, Arman Ashraf
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Patent number: 7799968Abstract: A sponge-like pad used for cleaning and other wiping and polishing applications is disclosed. The sponge-like pad is made from a plurality of textured paper webs attached together at selected locations. The paper web can be, for instance, a highly textured throughdried paper web containing high-yield fibers and a wet strength agent. In one embodiment, the stacked plies can be contained within a cover material that is liquid pervious. The sponge-like product of the present invention can be used alone or it can be incorporated into a cleaning tool, such as a mop.Type: GrantFiled: December 21, 2001Date of Patent: September 21, 2010Inventors: Fung-Jou Chen, Julie Bednarz, Jeff Lindsay, Dawn Houghton, Leslie Taneri, Tammy Balzar, Peiguang Zhou
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Publication number: 20100228210Abstract: An absorbent article, preferably a disposable absorbent article such as a diaper, is disclosed having an absorbent core which imparts increased wearing comfort to the article and makes it thin and dry. The absorbent core useful for an absorbent article comprises a substrate layer, a discontinuous layer of absorbent material, and a layer of thermoplastic material. A second surface of the discontinuous layer of absorbent material is in at least partial contact with a first surface of the substrate layer. Portions of a second surface of the layer of thermoplastic material are in direct contact with the first surface of the substrate layer and portions of said second surface of the layer of thermoplastic material are in direct contact with a first surface of the discontinuous layer of absorbent material. A process for providing a storage layer for an absorbent core useful in an absorbent article is further disclosed.Type: ApplicationFiled: May 18, 2010Publication date: September 9, 2010Inventors: Ludwig Busam, Uwe Jurgen Becker, Michael Divo, Bruno Johannes Ehrnsperger, Roland Engel, Torsten Lindner, Siegfried Link, Volker Maier, Sanaul Kabir Siddiquee, Gabriele Stiehl, Thomas Tombuelt
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Publication number: 20100228211Abstract: An absorbent article, preferably a disposable absorbent article such as a diaper, is disclosed that provides an improved immobilization of absorbent polymer material when the article is fully or partially urine loaded. This absorbent core is useful for providing an absorbent article of increased wearing comfort.Type: ApplicationFiled: May 18, 2010Publication date: September 9, 2010Inventors: Uwe Jurgen Becker, Ludwig Busam, Bruno Johannes Ehrnsperger, Torsten Lindner, Siegfried Link, Volker Maier, Sanaul Kabir Siddiquee, Gabriele Stiehl, Thomas Tombuelt
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Patent number: 7750203Abstract: An absorbent article, preferably a disposable absorbent article such as a diaper, is disclosed that provides an improved immobilization of absorbent polymer material when the article is fully or partially urine loaded. This absorbent core is useful for providing an absorbent article of increased wearing comfort. Specifically disclosed is an absorbent core useful for an absorbent article comprising a substrate layer and absorbent material, the absorbent material comprising an absorbent polymer material, the absorbent material optionally comprising absorbent fibrous material, the absorbent fibrous material not representing more than 20% of the weight of absorbent polymer material, wherein the absorbent material is immobilized when wet such that the absorbent core achieves a wet immobilization of more than 50%, preferably of more than 60%, 70%, 80% or 90% according to the Wet Immobilization Test described herein.Type: GrantFiled: February 11, 2004Date of Patent: July 6, 2010Assignee: The Procter & Gamble CompanyInventors: Uwe Jurgen Becker, Ludwig Busam, Bruno Johannes Ehrnsperger, Torsten Lindner, Siegfried Link, Volker Maier, Sanaul Kabir Siddiquee, Gabriele Stiehl, Thomas Tombuelt
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Patent number: 7750202Abstract: A disposable absorbent article having improved interactive graphics is disclosed. The disposable absorbent article defines a front waist end, a back waist end, and a length which extends between the front and back waist ends. In particular embodiments, the article includes an active graphic disposed on the bodyside liner and/or outer cover, and the active graphic is positioned within one of a frontmost 30% and a backmost 30% of the article's length. In particular embodiments, the article includes an active graphic disposed on the article's bodyside liner and/or outer cover, and the active graphic consists essentially of insoluble ink. In particular embodiments, the article includes an active graphic disposed on the article's bodyside liner and/or outer cover, and the article is adapted to provide for an at least partial disappearance of the active graphic without requiring that the active graphic directly contact liquid to effect the at least partial disappearance.Type: GrantFiled: December 30, 2004Date of Patent: July 6, 2010Assignee: Kimberly-Clark Worldwide, Inc.Inventor: Michael J. Niemeyer
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Publication number: 20100168704Abstract: A method of forming an elastic composite formed from a laminate that contains a cross-linked elastic film and a nonwoven facing is provided.Type: ApplicationFiled: December 31, 2008Publication date: July 1, 2010Inventors: Oomman P. Thomas, Jose Augusto Vidal de Siqueira
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Patent number: 7737322Abstract: Absorbent articles comprising one or more sensors capable of detecting the presence of a body waste in the absorbent article are described. In particular, the absorbent articles comprise at least one chemiresistor capable of detecting the presence of volatile organic compounds associated with a body waste. When a body waste is detected, an indicator means signals a caregiver and/or a user of the absorbent article that an insult has occurred.Type: GrantFiled: December 21, 2005Date of Patent: June 15, 2010Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Thomas Michael Ales, III, Jan G. Dong