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Document Title |
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7592415 |
Infrared solvent stripping process
A process for stripping chemically bonded spinning solvent from a solution-spun nonwoven web comprising the steps of providing a nonwoven web comprising solvent-laden polymeric fibers having...
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7592277 |
Nanofiber mats and production methods thereof
An apparatus and method in which the apparatus includes a first electrospinning device configured to electrospin first fibers of a first substance, a second electrospinning device configured to...
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7485591 |
Electrospun nanofiber-based biosensor assemblies
Electrospun nanofiber incorporating a binder (e.g., biotin) is used in the form of a nonwoven or composite with a substrate. The nonwoven and composite can be joined to biosensor, e.g., by binding...
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7476632 |
Fibrous nonwoven web
New nonwoven fibrous webs are taught which comprise a collected mass of a) directly formed fibers disposed within the web in a C-shaped cross-sectional configuration and b) staple fibers having a...
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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...
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7318853 |
Polymer, polymer microfiber, polymer nanofiber and applications including filter structures
Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The...
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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...
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7201777 |
Nonwoven fabric having low ion content and method for producing the same
The present invention relates to a nonwoven fabric having a relatively low level of ionic contaminates which is achieved by exposing the fabric to a deionized water wash, preferably, in-line with...
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7109136 |
Conductive (electrical, ionic, and photoelectric) polymer membrane articles, and method for producing same
A conductive (electrical, ionic, and photoelectric) polymer membrane article, comprising a non-woven membrane of polymer fibers, wherein at least some of the fibers have diameters of less than one...
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7090715 |
Polymer, polymer microfiber, polymer nanofiber and applications including filter structures
Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The...
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6812172 |
Microdenier fabric having enhanced dyed appearance
In a preferred embodiment, the present process involves subjecting a fabric comprised of conjugate yarns to an acidic treatment, which degrades a portion of one component of the conjugate yarns and...
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6809048 |
Bulked fabric film laminate
The present invention provides a process for producing a three dimensionally texturized liquid resistant laminate having a fibrous nonwoven layer and a liquid resistant layer. The process has the...
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6800019 |
Abrasive cloth and polishing method
An abrasive ground fabric which is a composite ground fabric comprising a fiber substrate and a elastic polymer filled in the fiber substrate, wherein (1) the fiber substrate is composed of...
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6783574 |
Electret filter media and filtering masks that contain electret filter media
Electret filter media comprising a nonwoven web of thermoplastic nonconductive microfibers having trapped charge, said charge provided by (1) subjecting the nonwoven web to a corona treatment,...
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6759356 |
Fibrous electret polymeric articles
A thermoplastic polymer electret material comprising a porous substrate of a blend of a first thermoplastic polymer, such as a polyolefin or polyamide, and from 0.1% to about 25% by weight, of a...
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6756332 |
Vehicle headliner and laminate therefor
A headliner made from a laminate comprising a core layer sandwiched between two stiffening layers to form an I-beam construction that provides the necessary strength for the headliner. The core...
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6723669 |
Fine multicomponent fiber webs and laminates thereof
The present invention provides multicomponent fine fiber webs and multilayer laminates thereof having an average fiber diameter less than about 7 micrometers and comprising a first olefin polymer...
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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...
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6706652 |
Cleaning cloth
A cleaning cloth is described made of a microfilament nonwoven weighing from 30 g/m 2 to 500 g/m 2 , the nonwoven being made from melt-spun, stretched continuous multicomponent filaments having a...
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6667254 |
Fibrous nonwoven webs
New fibrous nonwoven webs are taught that comprise a mass of polyethylene terephthalate fibers that exhibit a double melting peak on a DSC plot: one peak is representative of a first molecular...
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6649547 |
Integrated nonwoven laminate material
An integrated nonwoven laminate material suitable for use as a filter medium having a microfiber layer integrated with a low loft multicomponent spunbond layer and a high loft multicomponent...
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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...
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6589652 |
Blowable insulation clusters
A blowable insulation material comprising batt shredded into blowable clusters. In preferred embodiments, the clusters comprise water-repellant or lubricant-finished fiber and/or dry fiber and/or...
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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...
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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...
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6451404 |
Leather-like sheet having napped surface
A leather-like sheet having naps on its surface and having writing effect, a high-class external appearance, hand touch and feel like natural leather, and folds like natural leather. When it is...
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6419865 |
Bonded fluff structures and process for producing same
Bonded fluff structures and a method for producing such bonded fluff structures in which a pulp sheet having a material suitable for producing fluff and a heat activatable fiber material is...
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6358592 |
Meltblown fibrous acoustic insulation
A fibrous insulation media is formed from a non-woven mat of thermoplastic fibers having a mean diameter of less than about 15 microns. Preferably, when used as an acoustical insulation, the media...
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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...
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6299977 |
Non-Woven fabric and artificial leather
The present invention relates to a nonwoven fabric exhibiting dense, delicate, high quality appearance, and also relates to man made leathers exhibiting dense, delicate, high quality appearance,...
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6232249 |
Short fiber-containing down-feather wadding and process for producing the same
A short fiber-containing down-feather wadding in which the short fibers are entangled in barbs of the down-feathers. In this wadding, the short fibers are uniformly mixed with the down-feathers,...
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6156680 |
Reverse osmosis support substrate and method for its manufacture
A nonwoven composite web is formed by a wet process on a papermaking machine. The web coming off the papermaking machine is dried and thermally bonded using heated calendar rolls. The nonwoven...
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6140439 |
Polymers of cyclopentene
Disclosed herein are processes for polymerizing ethylene, acyclic olefins, and/or selected cyclic olefins, and optionally selected olefinic esters or carboxylic acids, and other monomers. The...
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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...
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6117803 |
Personal care articles with abrasion resistant meltblown layer
A diaper outer cover of a layered nonwoven material having an outer meltblown fiber layer of a meltblown material having an average basis weight in the range of about 1 g/m 2 to about 7 g/m 2 ...
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6090731 |
High density nonwoven filter media
The invention provides a sheet filter medium having autogenously bonded uncrimped conjugate fibers which contain a polyolefin and another thermoplastic polymer that have different melting points....
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6057256 |
Web of biocomponent blown fibers
Fibrous webs of bicomponent fibers are made by extruding a layered molten mass through a row of side-by-side orifices into a high-velocity gaseous stream. Bicomponent fibers of small size can be...
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6045897 |
Nonwoven fabric cloth substrate for printed wiring boards, and prepreg using the same
A nonwoven fabric cloth substrate for printed wiring boards containing aromatic polyamide fibers and having a 0.7-1.0 dynamic elastic modulus ratio (E' (250° C.)/E' (30° C.)) and a 0.05 or less...
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5993943 |
Oriented melt-blown fibers, processes for making such fibers and webs made from such fibers
Oriented microfibers and processes for making them are disclosed, together with blends of such microfibers with other fibers such as crimped staple fibers and non-oriented microfibers.
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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...
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5952252 |
Fully elastic nonwoven fabric laminate
There is provided a fully elastic, breathable, barrier fabric comprising a nonwoven web layer of fibers of less than 40 microns in average diameter, where the web has a hydrohead of at least 10...
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5939341 |
Nonwoven fabric laminate
There is provided a laminate of nonwoven fabrics for outdoor applications which has good resistance to ultraviolet light. The laminate has two meltblown layers sandwiched between spunbond layers to...
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5891811 |
Indicator material
The present invention is concerned with an indicator material which is obtained by impregnating a non-woven fabric, of which one surface is provided with a resin layer having a partly or wholly...
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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...
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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...
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5874160 |
Macrofiber nonwoven bundle
The present invention relates to a cleaning implement formed from spunbond fiber webs having a basis weight less than about 85 grams per square meter and wherein the fibers comprise macrofibers...
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5837625 |
Insulation material
Disclosed are fibrous structures comprised of shaped fibers wherein the thickness of the compressed fibrous structure at 1.00 psi is ≥1.3 times that of a similar compressed structure having the...
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5821178 |
Nonwoven laminate barrier material
A nonwoven web laminate having improved particulate barrier properties, and particularly improved particulate barrier properties for particles in the size range of between 0.19 microns and 0.5...
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5817584 |
High efficiency breathing mask fabrics
A breathing mask fabric is provided which has between 50 and 95 weight percent of a through-air bonded, electret treated, nonwoven microfiber first web of fibers where the fibers have an average...
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5811178 |
High bulk nonwoven sorbent with fiber density gradient
Disclosed is an improved high sorbency nonwoven fabric and its use particularly as an oilsorb material. The high sorbency nonwoven is preferably made by multi-bank meltblowing and different...
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