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| Number | Title | Issue Date |
| 8415262 | Porous fibrous sheets of nanofibers Porous fibrous sheets are provided that are useful in end uses requiring microbial barrier properties such as medical packaging and medical gowns and drapes. The porous fibrous sheets may contain nanofibers and wood pulp. ... | 04/09/2013 |
| 7576019 | Fibers, nonwovens and articles containing nanofibers produced from high glass transition temperature polymers The present invention is directed to nonwoven webs and articles comprising nanofibers. The nanofibers are made from a polymer having a glass transition temperature about 25 C. The nanofibers, having a diameter of less than 1 micron, may comprise a significant number... | 08/18/2009 |
| 7405171 | Elastic nonwoven fabric and fiber products manufactured therefrom PROBLEM TO BE SOLVED: To provide an elastic nonwoven fabric with a good elasticity, adequate strength under elongation, good antiblocking property and favorable feeling, suitable for fiber products, at low cost, as well as fiber products using the same. SOLUT... | 07/29/2008 |
| 7402539 | Battery separator Disclosed is a battery separator consisting essentially of a nonwoven fabric having a substantially unilayered structure, wherein an apparent total surface area of fibers per a surface density of the nonwoven fabric is 20 m2 or more, a thickness of the no... | 07/22/2008 |
| 7390760 | Composite nanofiber materials and methods for making same A composite material comprising a plurality of nanofibers intertwined with a plurality of coarse fibers to form one or more layers is provided. The nanofibers can be any suitable type of nanofiber, including electrospun fibers. A composite material comprising a plur... | 06/24/2008 |
| 7311792 | Process for making a splice for a stabilized absorbent A process for splicing a first portion of absorbent material to a second portion of absorbent material to form a longer, continuous length of absorbent material suitable for uninterrupted sequential infeed to a processing machine. The process includes the steps of p... | 12/25/2007 |
| 7282253 | High-durability non-woven fabric with melange appearance and method for manufacture A non-woven fabric with melange-type visual appearance and endowed with high-durability comprising a fiber part and a matrix binder characterized by the binder matrix being a polyurethane characterized by the presence of soft segments and rigid segments, the former ... | 10/16/2007 |
| 7259117 | Nonwoven highloft flame barrier The invention relates to a nonwoven highloft flame barrier well suited for use in mattress, upholstered furniture and other end use applications where a highloft nonwoven material is desired for flame barrier purposes. A preferred nonwoven highloft flame barrier of ... | 08/21/2007 |
| 7217456 | Plaited double-knit fabric with moisture management and improved thermal insulation A composite textile fabric for rapidly moving moisture away from the skin, and for retaining body heat, is provided. The composite fabric includes an inner fabric layer made of a yarn comprising a plurality of fibers primarily of polyester or other synthetic yarns w... | 05/15/2007 |
| 7208064 | Method for embossing air-laid webs using laser engraved heated hard rubber embossing rolls A method of making an embossed air-laid absorbent sheet includes: depositing a dry web of fibers on a foraminous support; embossing the compacted web with a laser engraved roll provided with a hard rubber embossing surface having an embossing pattern with a depth of... | 04/24/2007 |
| 7105227 | Flame-retardant leather-like sheet base and process for producing the same The leather-like sheet substrate of the invention comprises a nonwoven fabric of three-dimensionally entangled superfine fibers (A) of at most 0.5 dtex in fineness and a polymer elastomer (B) filled in the entangled interspaces of the nonwoven fabric, in which the s... | 09/12/2006 |
| 7049025 | Gas diffusion substrate A novel flexible non-woven carbon fibre gas diffusion substrate comprising a plurality of first carbon fibres orientated in the x-, y- and optionally z-directions, said first fibres being bonded with a thermoplastic polymeric substance, and a carbon based filler mat... | 05/23/2006 |
| 6964931 | Method of making continuous filament web with statistical filament distribution The present invention is directed to a method of making a substantially continuous filament web which includes providing a plurality of polymer extruders for supplying polymer streams of at least two different polymer compositions, and providing a spinneret assembly... | 11/15/2005 |
| 6919026 | Semipermeable membrane support and process of preparation thereof A semipermeable membrane support includes, a non-woven fabric including main fiber and binder fiber, both of which are formed of synthetic resin fine fiber, the non-woven fabric being manufactured by heating and pressing after paper making, wherein the semipermeable... | 07/19/2005 |
| 6905752 | Polishing tape used in production of magnetic recording medium Disclosed is a tape for polishing the surface of a substrate of a magnetic recording medium, and a thin-fineness filament obtained by dissolving a dissolving component of a dissolution-decomposition type composite yarn consisting of a nylon component and the dissolv... | 06/14/2005 |
| 6900148 | Leather-like sheet material A leather-like sheet material comprising a substrate layer composed of an entangled nonwoven fabric consisting of ultrafine fibers and an elastic polymer or elastomer filled therein and having, on one side (side A) of the substrate layer, a grain layer comprising an... | 05/31/2005 |
| 6815383 | Filtration medium with enhanced particle holding characteristics A nonwoven web useful as a filter medium includes a plurality of bicomponent multilobal fibers including a higher melting polymer component, a lower melting polymer component, and an interface between the polymer components. The fibers are bonded together at points ... | 11/09/2004 |
| 6746760 | Gas adsorption sheet and air-purifying filter The gas adsorption sheet of the present invention has a granular activated carbon-containing sheet comprising a granular activated carbon having an average particle diameter of 60 to 600 μm, a supporting fiber for fixing the granular activated carbon in contact wit... | 06/08/2004 |
| 6720068 | Sound absorbent thin-layer laminate The invention relates to a sound absorbent thin-layer laminate consisting of at least one open-cell support layer and a second open-cell fibre layer. The support layer consists either of a first fibre layer, especially a low-density non-woven material with a mass pe... | 04/13/2004 |
| 6716776 | Nonwoven fabric made from filaments and artificial leather containing it A nonwoven fabric made of filaments, which comprises filaments formed from a fiber-forming thermoplastic polymer and satisfies all of the following conditions (A) to (D). (A) The fiber bundles are present in a range of 5-70 per centimeter in any cross-section... | 04/06/2004 |
| 6716775 | Range-dyed face finished fabrics exhibiting non-directional surface fiber characteristics Range-dyed fabrics that possess excellent hand characteristics and simultaneously exhibit substantially nondirectional appearances are provided. Such a combination permits the production and utilization of an extremely comfortable apparel fabric that can be attached... | 04/06/2004 |
| 6677073 | Non-woven fiber webs A novel non-woven fiber web comprising a plurality of first fibers orientated in the x-, y-, and optionally z-directions, said first fibers being bonded with a polymeric substance, characterised in that one or more continuous strands are embedded within t... | 01/13/2004 |
| 6624100 | Microfiber nonwoven web laminates The present invention provides a web containing superfine microfibers. The web contains a blend of a first group of split microfibers which contains a first polymer component and a second group of split microfibers which contains a second polymer componen... | 09/23/2003 |
| 6573204 | Cleaning cloth A cleaning cloth having a nonwoven structure for wet, damp and/or dry cleaning, the cleaning cloth being made from micro staple fibers of at least two different polymers and from absorbent secondary staple fibers bound into the micro staple fibers and sec... | 06/03/2003 |
| 6566287 | Non-woven fabric, and sheet and artificial leather produced from the same A non-woven fabric having such a structure that fine fibers having a small fineness are entangled with one another and a sheet obtained by impregnating the non-woven fabric with an elastic polymer satisfy the following requirements: the fine fibers should... | 05/20/2003 |
| 6319865 | Melt-blown non-woven fabric, and nozzle piece for producing the same The nozzle piece of the present invention is provided with circular cross sectional nozzles having different sizes disposed in a row in front of the die, with n-numbered smaller nozzles B (hole diameter: Db) between adjacent larger nozzles A (hole diamete... | 11/20/2001 |
| 6294036 | Method and device for making composite sheets A process for manufacturing composite sheets. The sheets are made of at least one ply of yarn with this ply having at least two materials with different melting points. The ply is introduced continuously into a zone where it is heated to a temperature bet... | 09/25/2001 |
| 6245696 | Lasable bond-ply materials for high density printed wiring boards This invention concerns lasable bond-ply materials comprising a nonwoven reinforcing material and at least one resin material. The present invention also includes methods for using the bond-ply of this invention to manufacture high density multilayer prin... | 06/12/2001 |
| 6133173 | Nonwoven cohesive wrap A dispensable nonwoven cohesive wrap that is generally dispensed from a self-wound roll. The nonwoven cohesive wrap comprises mutually entangled fibers at least some of which are pressure-sensitive adhesive fibers. The cohesive wrap also generally has a b... | 10/17/2000 |
| 6034009 | Lining for interior and method of producing same A lining for interior comprises a first layer composed of fibers of higher melting point, which are bound by a thermoplastic resin of lower melting point. A second layer is placed on the first layer, which is constructed of a thermoplastic resin of lower ... | 03/07/2000 |
| 5968855 | Nonwoven fabrics having liquid transport properties and processes for manufacturing the same A nonwoven fabric which is particularly useful as a liquid transport layer in an absorbent product. The fabric is formed of a mixture of fibers of varying sizes and polymer compositions, selected to provide the desired liquid transport properties to the f... | 10/19/1999 |
| 5952251 | Coformed dispersible nonwoven fabric bonded with a hybrid system A water-dispersible coformed fibrous nonwoven fabric structure comprising a primary reinforcing polymer material, preferably capable of being meltspun; a secondary reinforcing polymer material having an average fiber length less than or equal to about 15 ... | 09/14/1999 |
| 5948710 | Water-dispersible fibrous nonwoven coform composites Disclosed herein is a fibrous nonwoven composite structure more commonly referred to as a coform structure. Unlike current coform structures, the material of the present invention is more water-dispersible due to the use of a water-degradable reinforcing ... | 09/07/1999 |
| 5948518 | Electrically conductive shaped articles This invention relates to an electrically conductive shaped article made from thermoplastic materials which are reinforced with glass and steel fibers wherein said fibers are incorporated into the thermoplastic material by pultrusion. The amount of glass ... | 09/07/1999 |
| 5904971 | High water absorbent double-recreped fibrous webs The improved creped non-laminar singular web structure comprising long fibers and short fibers demonstrated by high TWA and Z peeling. Creping causes a certain portion of long synthetic fibers and short fibers to substantially be oriented in a predetermin... | 05/18/1999 |
| 5877098 | Abrasive sheet made of very fine and ultrafine fibers An abrasive sheet containing, on at least one surface thereof, a layer of a nonwoven fabric comprising not less than 80% of fibers having a fiber diameter of 10 μm or less, the nonwoven fabric being selected from a group consisting of an entangled nonwov... | 03/02/1999 |
| 5874373 | Enhanced electret needled filtration media and composites An enhanced filtering media composite formed of a first electret media layer attached uniformly onto a second non-woven fibrous media layer by a special needling construction and procedure, so as to provide a needled media composite having increased mecha... | 02/23/1999 |
| 5783503 | Meltspun multicomponent thermoplastic continuous filaments, products made therefrom, and methods therefor Multicomponent thermoplastic continuous filaments are provided, including hollow core multicomponent filaments. The filaments are at least partially splittable into smaller filaments in the absence of mechanical treatment or application of high pressure w... | 07/21/1998 |
| 5773375 | Thermally stable acoustical insulation There is provided thermally stabilized polypropylene melt-blown microfiber acoustical insulation web which has a resistance to thermal degradation at a temperature of 135° C. for at least 10 days. The polypropylene has a thermal stabilizer uniformly dist... | 06/30/1998 |
| 5759926 | Fine denier fibers and fabrics made therefrom The present invention provides a splittable conjugate fiber containing at least two incompatible polymers that are arranged in distinct segments across the cross-section of the fiber, wherein the segments are continuous along the length of the fiber. The ... | 06/02/1998 |
