Patents by Inventor Torsten Lindner
Torsten Lindner has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20200030162Abstract: 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: ApplicationFiled: July 24, 2019Publication date: January 30, 2020Inventors: 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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Publication number: 20190365581Abstract: 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: August 15, 2019Publication date: December 5, 2019Inventors: Ludwig BUSAM, Uwe Jurgen BECKER, Michael DIVO, Bruno Johannes EHRNSPERGER, Roland ENGEL, Torsten LINDNER, Siegfried LINK, Volker MAIER, Sanaul Kabir SIDDIQUEE, Gabriel STIEHL, Thomas TOMBUELT MEYER
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Patent number: 10470948Abstract: An absorbent article, preferably a disposable absorbent article such as a diaper, is disclosed having an absorbent core which imparts increased wearing comfort to the article and makes it thin and dry. The absorbent core useful for an absorbent article comprises a substrate layer, a discontinuous layer of absorbent material, and a layer of thermoplastic material. A second surface of the discontinuous layer of absorbent material is in at least partial contact with a first surface of the substrate layer. Portions of a second surface of the layer of thermoplastic material are in direct contact with the first surface of the substrate layer and portions of said second surface of the layer of thermoplastic material are in direct contact with a first surface of the discontinuous layer of absorbent material. A process for providing a storage layer for an absorbent core useful in an absorbent article is further disclosed.Type: GrantFiled: January 23, 2014Date of Patent: November 12, 2019Assignee: The Procter & Gamble CompanyInventors: Ludwig Busam, Uwe Jurgen Becker, Michael Divo, Bruno Johannes Ehrnsperger, Roland Engel, Torsten Lindner, Siegfried Link, Volker Maier, Sanaul Kabir Siddiquee, Gabriel Stiehl, Thomas Tombuelt-Meyer
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Publication number: 20190322909Abstract: Described herein is an adhesive composition including (a) from about 70 wt. % to about 90 wt. % of one or more copolymers, and (b) from about 10 wt. % to about 30 wt. % of one or more heterophase copolymers. The one or more copolymers include (i) from about 30 mole % to about 70 mole % of monomer units selected from the group consisting of ethylene, 1-butene, and mixtures thereof; and (ii) from about 30 mole % to about 70 mole % of propene monomer units. The adhesive composition is free of polyisobutylene. The adhesive composition has a viscosity of from about 2,000 mPa·s to about 11,500 mPa·s at 150° C. The one or more heterophase copolymers includes a first heterophase copolymer and a second heterophase copolymer.Type: ApplicationFiled: April 18, 2019Publication date: October 24, 2019Inventors: Robert Haines TURNER, Torsten LINDNER, Matthias MORAND, Benjamin John KUTAY, Holger BERUDA, Ekaterina PONOMARENKO, William L. BUNNELLE, Jon FAGERNESS, Nick FOWLER, Bill TURNER, Andres SUSTIC, Enrico BUENACOSA, Steve OETTING, Steve McHANEY, J.J. DeCAIR
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Publication number: 20190321242Abstract: Described herein is an absorbent article. The absorbent article includes an assembly of components and an adhesive composition joining at least two of the assembly of components together. The adhesive composition includes from about 70 wt. % to about 90 wt. % of one or more copolymers and from about 10 wt. % to about 30 wt. % of one or more heterophase copolymers. The one or more copolymers include from about 30 mole % to about 70 mole % of monomer units selected from ethylene, 1-butene, and mixtures thereof. The one or more copolymers also include from about 30 mole % to about 70 mole % of propene monomer units. The adhesive composition is free of polyisobutylene and has a viscosity of from about 2,000 mPa·s to about 11,500 mPa·s at 150° C.Type: ApplicationFiled: April 18, 2019Publication date: October 24, 2019Inventors: Robert Haines TURNER, Torsten LINDNER, Matthias MORAND, Benjamin John KUTAY, Holger BERUDA, Ekaterina PONOMARENKO, William L. BUNNELLE, Jon FAGERNESS, Nick FOWLER, Bill TURNER, Andres SUSTIC, Enrico BUENACOSA, Steve OETTING, Steve McHANEY, J.J. DeCAIR
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Publication number: 20190322901Abstract: Described herein is an adhesive composition including at least 90 wt. % of a copolymer including from about 30 wt. % to about 70 wt. % of propene monomer units and from about 30 wt. % to about 70 wt. % of 1-butene monomer units. The adhesive composition can have a viscosity of from about 2,000 mPa·s to about 11,500 mPa·s at 150° C. The adhesive composition can have an Enthalpy of Fusion of less than 17 J/g. The adhesive composition can have a Tensile Strength at Yield of from about 0.5 MPa to about 1.5 MPa. The copolymer can have a Static Peel Time of at least 220 seconds.Type: ApplicationFiled: April 18, 2019Publication date: October 24, 2019Inventors: Robert Haines TURNER, Torsten LINDNER, Matthias MORAND, Benjamin John KUTAY, Holger BERUDA, Ekaterina PONOMARENKO, William L. BUNNELLE, Jon FAGERNESS, Nick FOWLER, Bill TURNER, Andres SUSTIC, Enrico BUENACOSA, Steve OETTING, Steve McHANEY, J.J. DeCAIR
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Publication number: 20190322900Abstract: Described herein is an adhesive composition including a copolymer. The adhesive composition has a viscosity of from about 2,000 mPa·s to about 11,500 mPa·s at 150° C. The adhesive composition has a Storage Modulus at 37° C. of from about 3 MPa to 9.5 MPa. The adhesive composition has a Yield Stress at 37° C. of from about 0.8 MPa to about 1.45 MPa.Type: ApplicationFiled: April 18, 2019Publication date: October 24, 2019Inventors: Robert Haines TURNER, Torsten LINDNER, Matthias MORAND, Benjamin John KUTAY, Holger BERUDA, Ekaterina PONOMARENKO, William L. BUNNELLE, Jon FAGERNESS, Nick FOWLER, Bill TURNER, Andres SUSTIC, Enrico BUENACOSA, Steve OETTING, Steve McHANEY, J.J. DeCAIR
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Publication number: 20190321241Abstract: Described herein is an absorbent article having a longitudinal centerline and a lateral centerline, a front waist region with a front waist edge, a rear waist region with a rear waist edge, a crotch region disposed between the front waist region and the rear waist region, and two spaced apart longitudinal side edges joining the front waist edge to the rear waist edge, wherein the absorbent article comprises an assembly of components, and wherein the absorbent article comprises an adhesive composition. The adhesive composition comprises a copolymer; the adhesive composition has a viscosity of from about 2,000 mPa·s to about 11,500 mPa·s at 150° C., the adhesive composition has a Storage Modulus at 37° C. of from about 3 MPa to 9.5 MPa, and the adhesive composition has a Yield Stress at 37° C. of from about 0.8 MPa to about 1.45 MPa.Type: ApplicationFiled: April 18, 2019Publication date: October 24, 2019Inventors: Robert Haines TURNER, Torsten LINDNER, Matthias MORAND, Benjamin John KUTAY, Holger BERUDA, Ekaterina PONOMARENKO, William L. BUNNELLE, Jon FAGERNESS, Nick FOWLER, Bill TURNER, Andres SUSTIC, Enrico BUENACOSA, Steve OETTING, Steve McHANEY, J.J. DeCAIR
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Patent number: 10337150Abstract: Grafted, crosslinked cellulosic materials used in absorbent articles, the grafted crosslinked cellulosic materials including cellulose fibers and polymer chains composed of at least one monoethylenically unsaturated acid group-containing monomer (such as acrylic acid) grafted thereto, in which one or more of the cellulose fibers and the polymer chains are crosslinked (such as by intra-fiber chain-to-chain crosslinks). Some of such materials are characterized by a wet bulk of about 10.0-17.0 cm3/g, an IPRP value of about 1000 to 7700 cm2/MPa·sec, and/or a MAP of about 7.0 to 38 cm H2O. Methods for producing such materials may include grafting polymer chains from a cellulosic substrate, followed by treating the grafted material with a crosslinking agent adapted to effect crosslinking of one or more of the cellulosic substrate or the polymer chains.Type: GrantFiled: July 24, 2015Date of Patent: July 2, 2019Assignee: The Procter & Gamble CompanyInventors: Karen Brogan, Charles E. Miller, Angel Stoyanov, Torsten Lindner, Maike Siemons
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Patent number: 10287383Abstract: Grafted, crosslinked cellulosic materials include cellulose fibers and polymer chains composed of at least one monoethylenically unsaturated acid group-containing monomer (such as acrylic acid) grafted thereto, in which one or more of said cellulose fibers and said polymer chains are crosslinked (such as by intra-fiber chain-to-chain crosslinks). Some of such materials are characterized by a wet bulk of about 10.0-17.0 cm3/g, an IPRP value of about 1000 to 7700 cm2/MPa·sec, and/or a MAP value of about 7.0 to 38 cm H2O. Methods for producing such materials may include grafting polymer chains from a cellulosic substrate, followed by treating the grafted material with a crosslinking agent adapted to effect crosslinking of one or more of the cellulosic substrate or the polymer chains. Example crosslinking mechanisms include esterfication reactions, ionic reactions, and radical reactions, and example crosslinking agents include pentaerythritol, homopolymers of the graft species monomer, and hyperbranched polymers.Type: GrantFiled: November 18, 2016Date of Patent: May 14, 2019Assignee: INTERNATIONAL PAPER COMPANYInventors: Karen Brogan, Charles E. Miller, Angel Stoyanov, Torsten Lindner, Maike Siemons
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Publication number: 20190110936Abstract: 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: ApplicationFiled: December 17, 2018Publication date: April 18, 2019Inventors: 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: 20180256773Abstract: A permeable nonwoven web having a plurality of fibers and/or filaments of a first polymer matrix forming an outer surface of each of the plurality of fibers and/or filaments is described herein. The first polymer matrix includes a hydrophilic melt additive and/or a tactile modifying melt additive blended therein. Energy application across the entirety of the web, or parts thereof, promotes the blooming of the melt additive from the first polymer matrix such that bloom areas are disposed on at least a portion of each of the outer surfaces of the fibers and/or filaments.Type: ApplicationFiled: March 9, 2018Publication date: September 13, 2018Inventors: Torsten Lindner, Holger Beruda, Jon Brennan, Gueltekin Erdem, Franz Josef Lanyi, Dirk Wolfram Schubert
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Publication number: 20180256772Abstract: An absorbent article includes an absorbent core having an absorbent material enclosed in a core wrap having a top layer and a bottom layer. The bottom layer of the core wrap comprises a nonwoven comprising synthetic fibers, which has a basis weight from about 6 g/m2 to about 10 g/m2 and the nonwoven has a static coefficient of friction as measured in cross-machine direction of no more than 0.40.Type: ApplicationFiled: February 28, 2018Publication date: September 13, 2018Inventors: Stefan Flöter, Geeske GRATZEL, Torsten LINDNER
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Publication number: 20180029344Abstract: Stretch laminate hot melt adhesives and stretch laminates are described. The stretch laminate hot melt adhesives are suitable for adhering elastic materials with inelastic substrates, and allow permanent deformation of the inelastic substrate and extensions and retractions of the elastic materials. The stretch laminate hot melt adhesive is particularly suitable for back ear lamination for disposable absorbent articles.Type: ApplicationFiled: August 30, 2017Publication date: February 1, 2018Inventors: Marc HAMM, Jinyu Chen, Yuhong Hu, Andy Swain, Jennifer Thatcher, Torsten Lindner, Matthias MORAND, Robert Haines TURNER, Ebrahim REZAI
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Patent number: 9763835Abstract: 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: August 4, 2011Date of Patent: September 19, 2017Assignee: 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: 20170258955Abstract: Material webs suitable for use in conjunction with disposable absorbent articles are disclosed herein. The material webs comprise a melt additive that when subjected to thermal energy may be encouraged to bloom across the entirety of the web or in localized areas of the web where localized thermal energy is applied.Type: ApplicationFiled: March 9, 2017Publication date: September 14, 2017Inventors: Torsten Lindner, Olaf Erik Alexander Isele, Gueltekin Erdem, Misael Omar Aviles, Holger Beruda, Jan Claussen, Kelyn Anne Arora, Nathan Ray Whitely, Franz Josef Lanyl, Dirk Wolfram Schubert, Barbara Harling Hede, Thomas Broch, Morten Rise Hansen, Brian Udengaard
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Patent number: 9687579Abstract: Superabsorbent material, comprising first superabsorbent polymers, coated with second clay-crosslinked superabsorbent polymers, said second clay-crosslinked superabsorbent polymers being obtainable by the step of polymerization of a solution/dispersion of polymerizable compounds and clay particles, to obtain said second superabsorbent polymers, crosslinked by said clay particles, of a weight average largest particle dimension of less than 800 nm.Type: GrantFiled: December 16, 2014Date of Patent: June 27, 2017Assignee: The Procter & Gamble CompanyInventors: Torsten Lindner, Axel Meyer, Mattias Schmidt
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Patent number: 9688781Abstract: Superabsorbent material, comprising clay-crosslinked superabsorbent polymers, obtainable by polymerizing in a spray-stream, polymerizable compounds in the presence of a polymerization initiator system, and nano-sized or individual clay particles, which are all introduced into a vessel by a spraying step in the form of a said spray-stream thereof, whereby said clay particles crosslink said polymers during polymerization. The invention also relates to such a process and absorbent articles comprising such superabsorbent material.Type: GrantFiled: July 19, 2010Date of Patent: June 27, 2017Assignee: The Procter & Gamble CompanyInventors: Axel Meyer, Torsten Lindner, Mattias Schmidt
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Patent number: 9574023Abstract: An aqueous acidic polymerization liquid comprising polymerizable monomers or oligomers with carboxylate and/or carboxylic acid moiety or moieties, and edge modified clay that is homogenously dispersable in said liquid is provided, and also methods for making such liquids, and also edge-modified-clay linked water-absorbing polymers made by with said liquids and methods, and disposable absorbent articles comprising such edge-modified-clay linked water-absorbing polycarboxylate/polycarboxylic acid polymers.Type: GrantFiled: December 15, 2011Date of Patent: February 21, 2017Assignee: The Procter and Gamble CompanyInventors: Torsten Lindner, Axel Meyer, Michael Moeller, Josef Breu, Manuela Stirner
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Publication number: 20170022671Abstract: Grafted, crosslinked cellulosic materials used in absorbent articles, the grafted crosslinked cellulosic materials including cellulose fibers and polymer chains composed of at least one monoethylenically unsaturated acid group-containing monomer (such as acrylic acid) grafted thereto, in which one or more of the cellulose fibers and the polymer chains are crosslinked (such as by intra-fiber chain-to-chain crosslinks). Some of such materials are characterized by a wet bulk of about 10.0-17.0 cm3/g, an IPRP value of about 1000 to 7700 cm2/MPa·sec, and/or a MAP of about 7.0 to 38 cm H2O. Methods for producing such materials may include grafting polymer chains from a cellulosic substrate, followed by treating the grafted material with a crosslinking agent adapted to effect crosslinking of one or more of the cellulosic substrate or the polymer chains.Type: ApplicationFiled: July 24, 2015Publication date: January 26, 2017Inventors: Karen BROGAN, Charles E. MILLER, Angel STOYANOV, Torsten LINDNER, Maike SIEMONS