Patents Examined by Arti Singh-Pandey
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Patent number: 12285504Abstract: Nonwoven materials having at least one layer comprising cellulose fibers, synthetic fibers, or combinations thereof are provided. Such nonwoven materials are at least partially covered on their surface with a binder including carboxymethyl cellulose (CMC) and a metallic salt, the binder having a pH of from about 4.3 to about 4.5. Nonwoven materials including such binder provide for increased wet strength and dispersibility and are suitable for use in a variety of applications, including wipes.Type: GrantFiled: August 5, 2020Date of Patent: April 29, 2025Assignee: Glatfelter CorporationInventors: Ronald T. Moose, Jacek K. Dutkiewicz, Alan J. Campbell
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Patent number: 12257819Abstract: In one embodiment, a thin, lightweight, flexible, strong multi-layer barrier fabric is provided that offers extended breakthrough time against hazardous materials. The multi-layer barrier fabric is arranged as a layer stack that includes an inner layer of facing fabric, an adsorbent layer of adsorptive fabric, a barrier layer of low-permeability fabric and an outer layer of facing fabric. The facing fabric provides tensile strength. The adsorptive fabric and the low-permeability fabric interact synergistically. The barrier layer improves capture effectiveness of the adsorbent layer by both slowing down the hazardous material to increase its residence time in the adsorbent layer and decreasing the escape probability of stray molecules of hazardous material that are not initially intercepted by the adsorptive fabric. The adsorbent layer improves barrier effectiveness of the barrier layer by reducing the concentration of hazardous material challenging the low-permeability fabric of the barrier layer.Type: GrantFiled: January 17, 2024Date of Patent: March 25, 2025Assignee: United Tactical Supply, LLCInventor: Robert Kaiser
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Patent number: 12252841Abstract: Compositions and methods are described that provide cellulosic and non-cellulosic fabrics with durable antimicrobial properties. Application of a coating that includes polyhexamethylene biguanide, polyethylene glycol, and a binder to a fabric followed by drying and curing was found to provide antimicrobial properties that are retained through over 100 washings under aggressive hospital washing conditions. In addition, tactile properties and tear resistance of the treated fabrics are maintained or improved.Type: GrantFiled: April 4, 2019Date of Patent: March 18, 2025Assignee: Avalon Polymills (HK) LimitedInventors: Johnson Yiu-Nam Lau, Denise So Bik Chan, Jiachi Chiou, Chi Wai Kan, Kim Hung Lam, Wai Han Lam, Ka Fu Yung
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Patent number: 12247399Abstract: A roof assembly comprising: a roof deck; a thermoplastic membrane covering the deck; and a fabric having disposed thereon expandable graphite.Type: GrantFiled: October 19, 2021Date of Patent: March 11, 2025Assignee: Holcim Technology LtdInventors: Wensheng Zhou, Michael J. Hubbard, Allen Sopko, Joseph Carr
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Patent number: 12233290Abstract: A face mask has a first woven filter layer comprising a first yarn and a second woven filter layer comprising a second yarn. The second yarn is disposed at a non-right and non-parallel angle relative to the first yarn. The second woven filter layer is stitched to the first woven filter layer. A third woven filter layer with a third yarn can be added with the third yarn at a non-right and non-parallel angle relative to both the first yarn and second yarn.Type: GrantFiled: April 1, 2021Date of Patent: February 25, 2025Assignee: NuGeneration Technologies, LLCInventor: Donato Polignone
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Patent number: 12227634Abstract: A fiber sheet (1) according to the present invention includes a plurality of stem fibers (2) containing a thermoplastic resin and extending in one direction and includes a fibril fiber (3) containing substantially the same thermoplastic resin as the above thermoplastic resin, extending between the stem fibers (2), and having a smaller diameter than that of the stem fibers (2). The plurality of stem fibers (2) include one stem fiber (2) and another stem fiber (2) branching from the one stem fiber and have a void between the stem fibers. The stem fibers (2) hold a plurality of inorganic particles (5). The fiber sheet preferably has a pore volume fraction of 50% or more and 98% or less. In the fiber sheet, the number of fibers having a diameter of 500 nm or less is preferably 50% or more of the total number of the constituent fibers. The inorganic particles preferably include zinc oxide.Type: GrantFiled: December 25, 2019Date of Patent: February 18, 2025Assignee: Kao CorporationInventor: Kenichi Saitou
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Patent number: 12227886Abstract: The present invention provides a lyocell fiber with increased water retention value and decreased crystallinity as well as a method for producing same and products comprising same.Type: GrantFiled: March 6, 2019Date of Patent: February 18, 2025Assignee: Lenzing AktiengesellschaftInventors: Martina Opietnik, Verena Silbermann, Andrea Borgards
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Patent number: 12226717Abstract: A supporting device for a filter device including a flat-woven material manufactured of warp devices and weft devices, which form a woven surface, wherein the flat-woven material shows, in two opposite end portions, two free ends of warp devices or weft devices protruding from the woven surface. The flat-woven material is shaped to form a predetermined three-dimensional shape with a free cross-section, and the free ends overlap and are interconnected. The present method provides for shaping the flat-woven material around a molding part until the free ends of the two end portions overlap. The ends are interconnected. A filtering device accordingly includes a supporting device and a filter device.Type: GrantFiled: January 14, 2021Date of Patent: February 18, 2025Assignee: HAVER & BOECKER OHGInventor: Helmut Fröhlich
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Patent number: 12208170Abstract: An absorbent article such as a baby diaper comprising a three-dimensional laminate 30 having a first layer 1 intermittently bonded to a second layer 2 by a heterophase polymer. The topsheet comprises three-dimensional protrusions 9 in the first layer 1 which are not bonded to the second layer 2. The heterophase polymer has an enthalpy of fusion of at least 10 J/g. The laminate may be used on the wearer-facing side of the article as topsheet 24 and/or on the garment-facing side as part of the backsheet 26. The first layer may comprise natural fibers.Type: GrantFiled: February 26, 2024Date of Patent: January 28, 2025Assignee: The Procter & Gamble CompanyInventors: Torsten Lindner, Gueltekin Erdem
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Patent number: 12195882Abstract: This application relates to a hot-melt fiber containing silver particles, a preparation method thereof, and an article containing the hot-melt fiber.Type: GrantFiled: July 26, 2021Date of Patent: January 14, 2025Assignee: SILVER PARTICLE COMPANY LIMITEDInventors: Yuen Keung Raymond Chin, O Lun Leung
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Patent number: 12186713Abstract: Provided herein are electrospun or electroblown non-woven fiber membranes, methods of making such membranes and lateral flow diagnostic devices comprising such membranes.Type: GrantFiled: July 20, 2018Date of Patent: January 7, 2025Assignees: Merck Millipore Ltd., The Provost Fellows Foundation Scholars and the Other Members of Board of the College of the Holy CrossInventors: William Cataldo, Inga Elkina, Kamran Beyzavi, Thomas Fitzgerald, Dennis Aquino, Daniel Callahan, Michael Mansfield, Mikhail Kozlov, Gabriel Tkacik, Murugan Rajendiran, Ramesh Babu Padamati
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Patent number: 12171906Abstract: Disclosed herein is a method of making a composite fabric for use in or as a medical implant component, the method comprising steps of providing a textile comprising at least one strand having titer of 2-250 dtex and comprising fibers made from a biocompatible and biostable synthetic polymer; determining locations on the textile where a cut is to be made for an intended use of the textile; optionally pretreating the textile at least at the determined locations on at least one side of the textile with a high-energy source to activate the surface; solution coating the textile at least at a determined location with a coating composition comprising a biocompatible and biostable polyurethane elastomer and a solvent for the polyurethane; removing the solvent from the coated textile; and laser cutting the coated textile as obtained at least a one coated location with an ultra-short pulse laser; to result in a composite biotextile wherein polyurethane is present in an amount of 2.Type: GrantFiled: March 2, 2020Date of Patent: December 24, 2024Assignee: DSM IP ASSETS B.V.Inventors: Nicolaes Hubertus Maria De Bont, Noel L. Davison, Mandy Maria Jozefina Wiermans
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Patent number: 12171905Abstract: Disclosed herein is a medical implant component comprising a composite biotextile, which biotextile comprises i) a polyolefin fibrous construct comprising at least one strand with titer of 2-250 dtex, tensile strength of at least 10 cN/dtex and comprising high molar mass polyolefin fibers and ii) a coating comprising a biocompatible and biostable polyurethane elastomer comprising a polysiloxane segment and/or having one or more hydrophobic endgroups, wherein the polyurethane coating is present on at least part of the surface of the biotextile and in an amount of 2.5-90 mass % based on composite biotextile. Such composite biotextile, like a partly coated woven fabric, shows an advantageous combination of good biocompatibility, especially hemocompatibility, high strength and pliability, and laser cuttability; allowing to make pieces of fabric having well-defined regular edges that have high suture retention strength. The invention also provides a method of making said composite biotextile.Type: GrantFiled: March 2, 2020Date of Patent: December 24, 2024Assignee: DSM IP ASSETS B.V.Inventors: Nicolaes Hubertus Maria De Bont, Noel L. Davison, Mandy Maria Jozefina Wiermans
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Patent number: 12169119Abstract: A ballistic fiber composition may include a fabric that may be comprised of polyamide fibers, an adhesive polymer coating the fabric, and a carbonaceous material and a ceramic filler embedded in the adhesive polymer coating. A method of producing a ballistic protective article may include mixing a carbonaceous material and a ceramic filler into an adhesive to create a mixture, and then coating a polyamide fabric with the mixture. A ballistic protective article may include an aromatic polyamide fabric that is coated with an elastomeric adhesive polymer coating, with calcium carbonate and a carbonaceous material embedded in the elastomeric adhesive polymer coating. The carbonaceous material may include at least one material selected from graphene, carbon nanofiber, and carbon nanotubes.Type: GrantFiled: November 9, 2020Date of Patent: December 17, 2024Assignee: Armitek LLCInventors: Dean Casutt, Aaron Gilbert, Bryant Casutt
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Patent number: 12156948Abstract: An absorbent article such as a baby diaper comprising a three-dimensional laminate 30 having a first layer 1 intermittently bonded to a second layer 2 by a heterophase polymer. The topsheet comprises three-dimensional protrusions 9 in the first layer 1 which are not bonded to the second layer 2. The heterophase polymer has an enthalpy of fusion of at least 10 J/g. The laminate may be used on the wearer-facing side of the article as topsheet 24 and/or on the garment-facing side as part of the backsheet 26. The first layer may comprise natural fibers.Type: GrantFiled: April 8, 2020Date of Patent: December 3, 2024Assignee: The Procter & Gamble CompanyInventors: Torsten Lindner, Gueltekin Erdem
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Patent number: 12159990Abstract: The present application relates to a thermal insulation fireproof cloth for power battery and its preparation method. A thermal insulation fireproof cloth for power battery includes a fireproof cloth made from fireproof fiber, which can include one or more layers. The fire-facing surface of the fireproof cloth is coated with a high-temperature-resistant fireproof inorganic coating, and an unexposed surface of the fireproof cloth is coated with a structure reinforcing coating. The fireproof cloth is made into a box shape matching with a battery pack and arranged between a battery cell and battery housing. The fireproof cloth is made of high-silica fiber fabric or alumina fiber fabric. The fireproof inorganic coating is an inorganic material coating including SiO2 and Al2O3. The structure reinforcing coating is a coating which contains PTFE, silane, phosphate and alumina.Type: GrantFiled: June 22, 2022Date of Patent: December 3, 2024Assignee: SHANGHAI GUOBO NEW ENERGY TECHNOLOGY CO., LTD.Inventors: Qiwei Lu, Huashan Liu, Wenjing Yu, Zhiyue Feng, Jie Zhang, Xiangdong Liu
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Patent number: 12145848Abstract: Techniques are described for transferring nanofiber forests using transfer films that either lack a conventional adhesive at the substrate—nanofiber forest interface or that include a diffusion barrier that prevents diffusion of adhesive molecules (or other polymer molecules mobile at ambient temperatures) into the nanofiber forest. These techniques can be applied to single layer nanofiber forests or stacks of multiple nanofiber forest. By selecting the bond strength between the nanofiber forest and the transfer films, the nanofibers can be aligned in a common direction that includes, but is not limited to, perpendicular to a substrate or transfer film.Type: GrantFiled: February 23, 2023Date of Patent: November 19, 2024Assignee: LINTEC OF AMERICA, INC.Inventor: Chi Huynh
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Patent number: 12144389Abstract: A flame-retardant fiber composite includes an acrylic fiber A containing an acrylic copolymer and an aramid fiber. The acrylic fiber A is substantially free of an antimony compound, and the flame-retardant fiber composite forms a surface-foamed char layer when burned. A flame-retardant work clothing includes the flame-retardant acrylic fiber. A highly flame-retardant fiber composite and highly flame-retardant work clothing include an acrylic fiber, and are capable of exhibiting high flame retardancy while suppressing environmental impacts caused by a flame retardant.Type: GrantFiled: February 17, 2022Date of Patent: November 19, 2024Assignee: KANEKA CORPORATIONInventors: Akira Ozaki, Shinya Nakamura, Keita Uchibori, Wataru Mio
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Patent number: 12134846Abstract: The present invention relates to a nonwoven fabric comprising continuous spunbonded bicomponent fibers which consist of: 0 to 95% by weight of an aromatic polyester (A) in a core; to 50% by weight of a polyester blend (B) containing a) 65 to 95% of an aromatic polyester (BA) and b) 5 to 35% by weight of an aliphatic-aromatic polyester (BB) with a glass temperature below 0° C. in a sheath surrounding the core; and 0 to 5% by weight of at least one additive (C); wherein the % by weight are based in each case on the total weight of the components (A) and (B) and optionally (C); and wherein the aromatic polyesters (A) and (BA) are selected from the group consisting of poly(ethylene terephthalate) and poly(butylene terephthalate).Type: GrantFiled: March 5, 2020Date of Patent: November 5, 2024Assignee: BASF SEInventors: Gijsbrecht Jacobus Maria Habraken, Klaus Scheuermann, Gabriel Skupin, Jens-Uwe Schierholz
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Patent number: 12108717Abstract: A greenhouse screen comprising strips of film material that are interconnected by a yarn system of transverse threads and longitudinal threads by means of a knitting, warp-knitting or weaving process to form a continuous product is provided. At least some of the strips comprise a polyester film having a transparency of at least 93%, said polyester film having at least one base layer B comprising a thermoplastic polyester and a UV stabilizer. The polyester film has a first and a second surface, wherein a permanent anti-fog coating is applied to at least one of the first or second surfaces of the polyester film. The anti-fog coating has a lower refractive index than the base layer B.A process for producing said film is also disclosed.Type: GrantFiled: September 13, 2018Date of Patent: October 8, 2024Assignee: AB Ludvig SvenssonInventors: Per Holgerson, Daniel Asplund