Patents by Inventor Gunter Scharfenberger
Gunter Scharfenberger 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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Patent number: 10900156Abstract: A nonwoven fabric has a volume-giving material, in particular fiber balls, down and/or fine feathers, and has a maximum tensile strength, measured according to DIN EN 29 073 at a mass per unit area of 50 g/m2 in at least one direction, of at least 0.3 N/5 cm, in particular of 0.3 N/5 cm to 100 N/5 cm.Type: GrantFiled: February 17, 2015Date of Patent: January 26, 2021Assignee: CARL FREUDENBERG KGInventors: Peter Grynaeus, Gunter Scharfenberger, Thomas Sattler
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Patent number: 10876234Abstract: A method for producing a volume nonwoven fabric includes the steps of: (a) providing a nonwoven fabric raw material, containing fiber balls and binder fibers; (b) providing an air-laying device, which has at least two spiked rollers between which a gap is formed; (c) processing the nonwoven fabric raw material in the device in an air-laying method, the nonwoven fabric raw material passing through the gap between the spiked rollers, fibers or fiber bundles being pulled from the fiber balls by the spikes; (d) laying on a laying apparatus; and (e) thermally bonding so as to obtain the volume nonwoven fabric.Type: GrantFiled: August 11, 2016Date of Patent: December 29, 2020Assignee: CARL FREUDENBERG KGInventors: Ulrike Herrlich, Gunter Scharfenberger, Thomas Sattler, Peter Grynaeus
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Patent number: 10789931Abstract: In an embodiment, the present invention provides a sound-absorbing textile composite having a flow resistance of from 250 Ns/m3 to 5000 Ns/m3, including: a) at least one open-pore support layer including coarse staple fibers having a titer of from 3 dtex to 17 dtex and fine staple fibers having a titer of from 0.3 dtex to 2.9 dtex as scaffold fibers; and b) a flow layer arranged on the support layer, which flow layer includes a microporous foam layer.Type: GrantFiled: November 7, 2017Date of Patent: September 29, 2020Assignee: CARL FREUDENBERG KGInventors: Angela Weik, Gunter Scharfenberger, Sandra Villing-Falusi
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Patent number: 10092673Abstract: A plurality of fibers or one-dimensional, two-dimensional, or three-dimensional fibrous structures are provided, having fibers from a first raw fiber material. The first raw fiber material contains unsubstituted or partially substituted polyvinyl alcohol and/or unsubstituted or partially substituted polyvinyl alcohol copolymer. The fibers can be crosslinked by tempering the fibers or fibrous structures, with the result that the fibers or the fibrous structure are configured to be gel, in particular hydrogel, fibers or fibrous structures and have excellent stability.Type: GrantFiled: July 29, 2011Date of Patent: October 9, 2018Assignee: Carl Freudenberg KGInventors: Wiebke Schmitz, Julia Schmidt, Bernd Schlesselmann, Gunter Scharfenberger
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Publication number: 20180268801Abstract: In an embodiment, the present invention provides a sound-absorbing textile composite having a flow resistance of from 250 Ns/m3 to 5000 Ns/m3, including: a) at least one open-pore support layer including coarse staple fibers having a titer of from 3 dtex to 17 dtex and fine staple fibers having a titer of from 0.3 dtex to 2.9 dtex as scaffold fibers; and b) a flow layer arranged on the support layer, which flow layer includes a microporous foam layer.Type: ApplicationFiled: November 7, 2017Publication date: September 20, 2018Inventors: Angela Weik, Gunter Scharfenberger, Sandra Villing-Falusi
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Publication number: 20180230630Abstract: A method for producing a volume nonwoven fabric includes the steps of: (a) providing a nonwoven fabric raw material, containing fiber balls and binder fibers; (b) providing an air-laying device, which has at least two spiked rollers between which a gap is formed; (c) processing the nonwoven fabric raw material in the device in an air-laying method, the nonwoven fabric raw material passing through the gap between the spiked rollers, fibers or fiber bundles being pulled from the fiber balls by the spikes; (d) laying on a laying apparatus; and (e) thermally bonding so as to obtain the volume nonwoven fabric.Type: ApplicationFiled: August 11, 2016Publication date: August 16, 2018Inventors: Ulrike HERRLICH, Gunter SCHARFENBERGER, Thomas SATTLER, Peter GRYNAEUS
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Patent number: 10044050Abstract: An electrically conductive sheet material having a base body with fibers, at least part of the fibers having carbon fibers, optionally having channels extending through the base body, capable of providing an electrically conductive and flexible sheet material which has a low electrical resistance and which can be produced on a large scale in the most simple, cost-effective and reproducible manner possible.Type: GrantFiled: July 15, 2013Date of Patent: August 7, 2018Assignee: Carl Freudenberg KGInventors: Gunter Scharfenberger, Gerhard Schoepping, Birger Lange, Gerald Jarre, Michael Zaminer, Judith Haller
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Publication number: 20160355958Abstract: A nonwoven fabric has a volume-giving material, in particular fiber balls, down and/or fine feathers, and has a maximum tensile strength, measured according to DIN EN 29 073 at a mass per unit area of 50 g/m2 in at least one direction, of at least 0.3 N/5 cm, in particular of 0.3 N/5 cm to 100 N/5 cm.Type: ApplicationFiled: February 17, 2015Publication date: December 8, 2016Inventors: Peter Grynaeus, Gunter Scharfenberger, Thomas Sattler
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Patent number: 9172074Abstract: A ply includes a fibrous nonwoven web fabric forming a foundational structure, wherein the foundational structure includes fibers forming first pores and is partially filled with particles, wherein the particles at least partially fill the first pores so as to form regions filled with particles, wherein the particles in the filled regions form second pores, and wherein an average diameter of the particles is greater than an average pore size of more than 50% of the second pores.Type: GrantFiled: September 8, 2008Date of Patent: October 27, 2015Assignee: CARL FREUDENBERG KGInventors: Christoph Weber, Michael Roth, Peter Kritzer, Gunter Scharfenberger, Rudolf Wagner
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Publication number: 20150200405Abstract: An electrically conductive sheet material having a base body with fibers, at least part of the fibers having carbon fibers, optionally having channels extending through the base body, capable of providing an electrically conductive and flexible sheet material which has a low electrical resistance and which can be produced on a large scale in the most simple, cost-effective and reproducible manner possible.Type: ApplicationFiled: July 15, 2013Publication date: July 16, 2015Inventors: Gunter Scharfenberger, Gerhard Schoepping, Birger Lange, Gerald Jarre, Michael Zaminer, Judith Haller
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Publication number: 20140194025Abstract: The present invention concerns stable aqueous protein dispersions comprising in an aqueous phase at least one self-assembling protein in dispersed form and also at least one specific dispersant for the self-assembling protein; processes for producing such stable aqueous dispersions; processes for electrospinning self-assembling proteins using such stable aqueous dispersions; processes for producing fibrous sheet bodies or fibers from such aqueous dispersions; the use of such aqueous dispersions for coating surfaces; the use of the materials produced by electrospinning in the manufacture of medical devices, hygiene articles and textiles; and also fibrous or fibrous sheet bodies produced by an electrospinning process of the present invention.Type: ApplicationFiled: February 3, 2014Publication date: July 10, 2014Applicants: Freudenberg Forschungsdienste KG, BASF SEInventors: Evgueni Klimov, Burghard Liebmann, Thomas Subkowski, Martin Möller, Doris Klee, Artem Davidenko, Wiebke Voigt, Gunter Scharfenberger
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Publication number: 20130323195Abstract: A plurality of fibers or one-dimensional, two-dimensional, or three-dimensional fibrous structures are provided, having fibers from a first raw fiber material. The first raw fiber material contains unsubstituted or partially substituted polyvinyl alcohol and/or unsubstituted or partially substituted polyvinyl alcohol copolymer. The fibers can be crosslinked by tempering the fibers or fibrous structures, with the result that the fibers or the fibrous structure are configured to be gel, in particular hydrogel, fibers or fibrous structures and have excellent stability.Type: ApplicationFiled: July 29, 2011Publication date: December 5, 2013Applicant: CARL FREUDENBERG KGInventors: Wiebke Schmitz, Julia Schmidt, Bernd Schlesselmann, Gunter Scharfenberger
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Publication number: 20130244523Abstract: A method for the production of at least one of oxidized cellulose fibers, oxidized cellulose fiber sheet materials and oxidized cellulose nonwovens includes introducing at least one of cellulose fibers, cellulose fiber sheet materials and cellulose nonwovens into a reactor. A temperature of the reactor is set in a range from 25° C. to 80° C. Gaseous nitrogen dioxide is introduced into the reactor so as to oxidize the at least one of cellulose fibers, cellulose fiber sheet materials and cellulose nonwovens. A temperature of the reactor is set in a range from 20° C. to less than 160° C. The at least one of oxidized cellulose fibers, oxidized cellulose fiber sheet materials and oxidized cellulose nonwovens are neutralized with at least one base.Type: ApplicationFiled: July 29, 2011Publication date: September 19, 2013Applicant: CARL FREUDENBERG KGInventors: Wiebke Schmitz, Julia Schmidt, Bernd Schlesselmann, Gunter Scharfenberger
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Publication number: 20120085262Abstract: The present invention concerns stable aqueous protein dispersions comprising in an aqueous phase at least one self-assembling protein in dispersed form and also at least one specific dispersant for the self-assembling protein; processes for producing such stable aqueous dispersions; processes for electrospinning self-assembling proteins using such stable aqueous dispersions; processes for producing fibrous sheet bodies or fibers from such aqueous dispersions; the use of such aqueous dispersions for coating surfaces; the use of the materials produced by electrospinning in the manufacture of medical devices, hygiene articles and textiles; and also fibrous or fibrous sheet bodies produced by an electrospinning process of the present invention.Type: ApplicationFiled: August 25, 2011Publication date: April 12, 2012Applicants: Freudenberg Forschungsdienste KG, BASF SEInventors: Evgueni Klimov, Burghard Liebmann, Thomas Subkowski, Martin Möller, Doris Klee, Artem Davidenko, Wiebke Voigt, Gunter Scharfenberger
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Publication number: 20100300618Abstract: A printable and electrically conductive paste includes a dispersible thermoplastic polyurethane; an electrically conductive filler; a water-soluble thickener; and water.Type: ApplicationFiled: September 4, 2008Publication date: December 2, 2010Applicant: CARL FREUDENBERG KGInventors: Gernot Frackmann, Benno Schmied, Bjoern Hellbach, Michael Roth, Gunter Scharfenberger, Ansagar Komp
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Publication number: 20100206804Abstract: A ply includes a fibrous nonwoven web fabric forming a foundational structure, wherein the foundational structure includes fibers forming first pores and is partially filled with particles, wherein the particles at least partially fill the first pores so as to form regions filled with particles, wherein the particles in the filled regions form second pores, and wherein an average diameter of the particles is greater than an average pore size of more than 50% of the second pores.Type: ApplicationFiled: September 8, 2008Publication date: August 19, 2010Applicant: CARL FREUDENBERG KGInventors: Christoph Weber, Michael Roth, Peter Kritzer, Gunter Scharfenberger, Rudolf Wagner
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Publication number: 20100196688Abstract: A ply includes a fibrous nonwoven web fabric forming a foundational structure, wherein the foundational structure includes fibers forming first pores and is partially filled with particles, wherein the particles at least partially fill the first pores so as to form regions filled with particles, wherein the particles in the filled regions form second pores such that an average diameter of the particles is greater than an average pore size of more than 50% of the second pores.Type: ApplicationFiled: June 16, 2008Publication date: August 5, 2010Applicant: CARL FREUDENBERG KGInventors: Peter Kritzer, Christoph Weber, Rudolf Wagner, Gunter Scharfenberger, Michael Roth
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Publication number: 20100035119Abstract: The invention relates to fabrics, comprising fibers and a coating that is covalently bound on the surface of the fibers, characterized in that the fabrics are temperature-stable at 200° C. The invention further relates to methods for the production thereof, fuel cells and gas diffusion layers comprising the fabrics, and to the use thereof in fuel cells and gas diffusion layers.Type: ApplicationFiled: November 21, 2007Publication date: February 11, 2010Applicant: CARL FREUDENBERG KGInventors: Klaus-Dietmar Wagner, Gunter Scharfenberger, Birgit Severich, Kristina Margarit-Puri