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7410920 |
Lightweight nonwoven fire retardant barrier
A non-woven flame retardant barrier can be prepared from low denier, charring fibers and substantially free of polymers made from halogenated monomers. The charring fibers can be modified viscose...
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7361317 |
Single step sterilization wrap system
Disclosed herein is a single step sterilization wrapping material suitable for use, as an example, in wrapping surgical instruments and supplies for sterilization, transportation and storage. The...
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7326272 |
Synthetic, duolayer, filter element
A multilayer, pleatable, filter material is made of at least one melt-blown, fleece layer and at least one carded, fleece layer that are attached to one another without use of adhesives for...
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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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7049254 |
Multiple component meltblown webs
Multiple component meltblown webs are disclosed in which the meltblown fibers include an ionomer on at least a portion of the peripheral surface thereof. The meltblown webs are especially useful in...
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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...
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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...
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H002086 |
Fine particle liquid filtration media
The present invention provides a filter media comprising (a) a nonwoven composite material comprising a stabilized mixture of thermoplastic microfibers and at least about 50%, by weight, of a...
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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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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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6461987 |
Continuous micro-label apparatus and process
Disclosed is an apparatus and a method for the manufacture of continuous micro label strips containing a unique identifier, and the placement of the micro label strips into various articles such as...
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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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6284362 |
Absorbent compositions, methods for producing thereof and absorbent products
An absorbent composition is produced by drying a mixture obtained by mixing a micro-filler (B) with a hydrogel having a water absorptive resin (A) and water. The hydrogel is produced by performing...
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6265333 |
Delamination resistant composites prepared by small diameter fiber reinforcement at ply interfaces
A fiber reinforced composite material comprising a resin matrix and primary reinforcement fibers and further comprising secondary, smaller diameter, reinforcement fibers at one or more ply...
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6103647 |
Nonwoven fabric laminate with good conformability
There is provided a laminate having at least one layer of meltblown elastic fibers bonded on either side with a layer of soft non-elastic fibers of greater than 7 microns in average diameter. The...
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5925581 |
Textile laminate
The present invention relates to a textile laminate comprising a fiberfill web substrate and a face layer. The fiberfill web substrate has a plurality of first fibers at the surface of the...
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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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5869411 |
Carbon fiber reinforced carbon/carbon composite and method of its manufacture
Fibrous substrates for the production of carbon and/or ceramic (including mixtures of these) fiber reinforced carbon and/or ceramic (including mixtures of these) matrix composites, particularly...
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5855992 |
Waterproof multi-layered non-woven fabric of reduced weight having good vapor permeability and method for its production
A waterproof multi-layered non-woven fabric having good vapor permeability and method for its production are provided. At least one layer of coarse melt-spun filaments of a thermoplastic polymer is...
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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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5804512 |
Nonwoven laminate fabrics and processes of making same
A nonwoven laminate fabric includes first and second nonwoven webs formed of spunbonded substantially continuous filaments and a nonwoven web of meltblown microfibers having a basis weight between...
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5798167 |
Garment of a durable nonwoven fabric
There is disclosed a thermally bonded spunbond web of thermoplastic filaments and a nonwoven fabric laminate comprising an internal layer of meltblown thermoplastic microfibers sandwiched between...
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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...
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5733635 |
Laminated non-woven fabric and process for producing the same
Disclosed is a laminated non-woven fabric of a multi-layer structure comprising a layer of a composite, spun bond non-woven fabric composed of long fibers containing a low melting point resin...
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5645057 |
Meltblown barrier webs and processes of making same
A nonwoven disposable face mask includes a filtration layer formed of a plurality of thermoplastic microfine meltblown microfibers having an average fiber diameter of less than 1.5 microns. The...
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5629069 |
Absorbent paper and absorbent article provided therewith
An absorbent paper comprising a base layer, which is obtained by paper-sheeting a material containing a highly bulky cellulose fiber, and a surface layer being located on the base layer, which is...
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5616408 |
Meltblown polyethylene fabrics and processes of making same
A nonwoven web of meltblown microfibers formed of a composition of polyethylene and at least one component added to provide processing stability to the polyethylene component. The meltblown web can...
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5554435 |
Textile structures, and their preparation
Nonwoven structures, prepared from meltblown microfibers, and fibers having heterogeneous melt viscosity. The structures can be in the form of composite nonwoven fabrics, made from alternating...
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5503907 |
Barrier fabrics which incorporate multicomponent fiber support webs
A composite nonwoven fabric having at least one hydrophobic microporous layer and at least one other layer formed of multicomponent fibers. The multicomponent fibers comprise a lower melting...
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5486410 |
Fibrous structures containing immobilized particulate matter
A fibrous structure comprising a composite fiber matrix loaded with immobilized functional particulate and including void spaces forming tortuous flow paths, is provided. The particulate is...
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5447788 |
Porous, nonwoven liquid-activated barrier
A porous, nonwoven liquid-activated barrier which includes a fibrous nonwoven web in which at least about 50 percent by weight of the fibers constituting the fibrous nonwoven web are prepared from...
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5436066 |
Absorbent composition including a microfiber
Disclosed is an absorbent composition including a hydrogel-forming polymeric material and a microfiber; disposable absorbent products, including the absorbent composition, intended for the...
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5427845 |
Crimped melt-spun copolymer filaments
Melt-spun filaments having a highly crimped configuration which is imparted by differential cooling, nonwoven webs of the crimped melt-spun filaments, and a process of forming a nonwoven web of the...
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5415925 |
Gamma structure composite nonwoven fabric comprising at least two nonwoven webs adhesively bonded by a lightweight adhesive web
The invention is directed to a composite nonwoven fabric comprising a nonwoven web of spunbonded substantially continuous thermoplastic filaments, a nonwoven web of thermoplastic strands, and a...
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5332613 |
High performance elastomeric nonwoven fibrous webs
Disclosed is an elastic nonwoven web containing a coherent matrix of fibers formed from an extrudable blend composed of an elastomeric A-B-A-B tetrablock copolymer where A is a thermoplastic...
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5316837 |
Stretchable metallized nonwoven web of non-elastomeric thermoplastic polymer fibers and process to make the same
Disclosed is a stretchable metallized nonwoven web composed of at least one nonwoven web of non-elastomeric thermoplastic polymer fibers, the nonwoven web having been heated and then necked so that...
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5294482 |
Strong nonwoven fabric laminates from engineered multiconstituent fibers
The present invention provides a thermally-bonded nonwoven fabric that is made from a web which comprises from 100 to 5 percent by weight of multiconstituent fibers. The multiconstituent fibers are...
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5258220 |
Wipe materials based on multi-layer blown microfibers
An absorbent wipe material formed from microfibers having multiple layers of an elastomeric material and a non-elastomeric material.
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5236771 |
Composite lining fabric and process for producing it
A lining fabric comprising a first nonwoven layer composed of microfibers produced by melting-blowing, and at least one second nonwoven layer composed of fibers or filaments and an adhesive layer...
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5229191 |
Composite nonwoven fabrics and method of making same
The invention is directed to composite nonwoven fabrics comprising a hydrophobic nonwoven web, a nonwoven web of thermoplastic meltblown microfibers and a hydrophilic nonwoven web comprising staple...
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5169706 |
Low stress relaxation composite elastic material
A composite elastic material having a stress relaxation of less than about 30 percent is composed of at least one elastic sheet formed from a blend of (1) a styrene-poly(ethylene-propylene)-styrene...
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5161686 |
Odor-absorbing web material and medical material packages containing the web material
Disclosed is an odor-absorbing, non-dusting porous web material and a method of making the same. The web material includes a porous base web (for example, a fibrous base web, such as a non-woven or...
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5073436 |
Multi-layer composite nonwoven fabrics
A multi-layer composite of nonwoven fabrics comprising at least one layer of a self-bonded, fibrous, web nonwoven bonded to at least one layer of a microfibrous, nonwoven web having water...
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4917942 |
Nonwoven filter material
Improved microfibrous filtration laminate comprising a highly permeable layer of a self-supporting nonwoven fabric which provided support for a layer of a randomly intertangled nonwoven mat of...
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4906513 |
Nonwoven wiper laminate
Nonwoven wiper having improved absorbency characteristics and streak-free wiping properties having a laminate construction including a relatively high basis weight middle layer of meltblown...
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4868032 |
Durable melt-blown particle-loaded sheet material
A permeable sheet material comprised of particle-loaded, melt-blown fiber web having a plurality of reinforcing fibers extending therethrough is provided. The reinforcing fibers are needled through...
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4781966 |
Spunlaced polyester-meltblown polyetherester laminate
A laminate which is elastic in at least one direction, includes an elastic sheet having at least one nonelastic nonwoven web joined thereto at least at two areas. The nonelastic web is gathered...
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4756786 |
Process for preparing a microfine fiber laminate
A water impervious laminated material is described. A preferred embodiment comprises a three-ply hydrophobic microfine fiber structure sandwiched between and fuse bonded to two layers of conjugate...
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4692368 |
Elastic spunlaced polyester-meltblown polyetherurethane laminate
A laminate which is elastic in at least one direction, includes an elastic sheet having at least one nonelastic nonwoven web joined thereto at least at two areas. The nonelastic web is gathered...
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4684570 |
Microfine fiber laminate
A water impervious laminated material is described. A preferred embodiment comprises a three-ply hydrophobic microfine fiber structure sandwiched between and fuse bonded to two layers of conjugate...
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