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9011567 Spunbonded nonwoven fabric and filter using same  
The purpose of the present invention is to obtain a spunbonded nonwoven fabric, which comprises a single-component polyester-based fibers, having a high basis weight and a high rigidity by...
8979961 Vacuum cleaner filter bag  
The Invention relates to a vacuum cleaner filter bag comprising a bag wall, wherein the bag wall comprises precisely one nonwoven layer in the form of a melt-spur microfibrous nonwoven layer.
8951338 Air filter material using laminated electret nonwoven fabric  
Present invention provides an air filter material using a laminated electret nonwoven fabric subjected to electret processing in which one layer or a plurality of layers of nonwoven fabrics...
8951325 Bi-component fiber and filter media including bi-component fibers  
A bi-component fiber is provided. The bi-component fiber includes a sheath formed of polyphenylene sulfide (PPS) and a core formed of a high glass transition polyester. A PPS material of the...
8951420 Filter media suitable for hydraulic applications  
Filter media, including those suitable for hydraulic applications, and related components, systems, and methods associated therewith are provided. The filter media described herein may include two...
8950587 Filter media suitable for hydraulic applications  
Filter media, including those suitable for hydraulic applications, and related components, systems, and methods associated therewith are provided. The filter media described herein may include two...
8940073 Filter material for cleaning air and gases  
The invention relates to a filter material for cleaning air and gases, comprising a fiber layer (2) made of cellulose fibers bonded to each other in segments by pressing, thus compacting the...
8852306 Vacuum cleaner filter bag  
The invention relates to a vacuum cleaner filter bag having a filter medium comprising a first layer consisting of a netting, a perforated sheet or a perforated non-woven with an air permeability...
8790432 Seam-sealed filters and methods of making thereof  
A seam-sealed filter in which the seam is sealed with a seam tape comprised of an expanded fluoropolymer, such as ePTFE and copolymers thereof, having a crosswise matrix modulus of greater than...
8790492 Flutable fiber webs with high dust holding capacity  
The fiber webs described herein may be incorporated into filter media and filter elements. The fiber webs may exhibit a high dust holding capacity. The fiber webs may also exhibit a low thickness....
8790449 Electret webs with charge-enhancing additives  
Electret webs are presented which include a blend of a thermoplastic resin and a charge-enhancing additive. The charge-enhancing additives include a heterocyclic imide material which is free of...
8784525 Vacuum cleaner filter bag  
The invention relates to a vacuum cleaner filter bag having a composite material comprising a first layer consisting of a netting or a perforated sheet with an air permeability of at least 10,000...
8784542 Nanofibre membrane layer for water and air filtration  
The invention relates to a nanofiber membrane layer having a basis weight of 0.01-50 g/m2 and a porosity of 60-95%, comprising a nanoweb made of polymeric nanofibers with a number average diameter...
8778046 Flutable fiber webs with high dust holding capacity  
The fiber webs described herein may be incorporated into filter media and filter elements. The fiber webs may exhibit a high dust holding capacity. The fiber webs may also exhibit a low thickness....
8778047 Flutable fiber webs with high dust holding capacity  
The fiber webs described herein may be incorporated into filter media and filter elements. The fiber webs may exhibit a high dust holding capacity. The fiber webs may also exhibit a low thickness....
8728212 High efficiency low pressure drop synthetic fiber based air filter made completely from post consumer waste materials  
A non-woven textile based filter media is produced from polyester fiber generated using recycled polyethylene terephthalate (PET) beverage bottles, and that non-woven textile based filter media is...
8721756 Filter construction for use with air in-take for gas turbine and methods  
The filter of the invention is a cartridge filter comprising a structure that can maintain a filter medium in an air stream to filter particulates to protect a gas turbine power system. The filter...
8715820 Odour-absorbing sheet-like structure, method for its production and use of zinc ricinoleate in finely divided solid form on odour-absorbing sheet-like structures  
Odor-absorbing sheet-like structure comprising vegetable and/or manmade fibers, in particular a sheet-like structure having an air permeability suitable for filters and vacuum cleaner bags, which...
8709249 Filter  
A filter has a filter medium (10) during operation clears fluid, particularly in the form of hydraulic fluid. The filter medium (10) is made of a material such that the potential difference to the...
8709138 Filter medium for particulate filtration  
A filter medium including a carrier layer and a microfiber layer applied thereon is characterized in that, with respect to the aim of providing a filter medium which has a relatively low pressure...
8709118 Fine fiber media layer  
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...
8709139 Layer for use in a HEPA filter element  
A layer for use in a HEPA filter element solves the problem of disclosing a filter element which satisfies HEPA requirements. Said layer comprises a first support layer (1) for stabilization which...
8697213 Photodegradable plastics material and its use  
A photodegradable plastic is described, comprising cellulose esters and also, if appropriate, additives. A particular characterizing feature of this photodegradable plastic is that it comprises a...
8685128 Seal, arrangement for filter element; filter element assembly; and, methods  
A filter element arrangement is provided which includes a media pack comprising Z-filter media, a preform and an overmold sealing a portion of the interface between the preform and the media pack,...
8684189 Multifunctional electroprocessed membranes  
Described is the application of layer-by-layer (LbL) electrostatic assembly techniques to electrospun nanofibers in order to fabricate novel, breathable electrospun fiber-based chemical and...
8679216 Process for forming a laminate of a nanoweb and a substrate and filters using the laminate  
A process for forming a laminate of a low basis weight nanoweb and a substrate includes forming a nanoweb on the surface of a collection scrim, and subsequently bringing the nanoweb into contact...
8679217 Pleated nanoweb structures  
A filter including a filter medium with a pleated structure. The medium includes a nanoweb layer and a scrim, wherein the nanoweb layer contains fibers with a number average diameter less than 1...
8679218 Filter media with a multi-layer structure  
Filter media are described. The filter media may include multiple layers. In some embodiments, the filter media include a nanofiber layer adhered to another layer. In some embodiments, the layer...
8673040 Filter construction for use with air in-take for gas turbine and methods  
The filter of the invention is a cartridge filter comprising a structure that can maintain a filter medium in an air stream to filter particulates to protect a gas turbine power system. The filter...
8668758 Trackified air filtration media and a self-supporting filter having improved stiffness and foldability  
The present disclosure relates generally to a nonwoven filtration media comprising a bonded mix of different, discontinuous, thermoplastic resin fibers and optionally discontinuous cellulosic...
8668755 Membrane-free filter and/or integral framing for filter  
A filter for an electronics cooling unit of a telecommunications base station, the electronics cooling unit adapted to receive fresh air into a housing of the cooling unit through an opening...
8663358 Filter media with improved conductivity  
Filter media are provided having improved conductivity to enhance filtration efficiency and/or dissipate static charge, and methods for making the same. In one exemplary embodiment, the filter...
8651286 Spunbond polyester mat with binder comprising salt of inorganic acid  
Provided are spunbond polyester mats using an improved curable composition. Such curable composition comprises the reaction product of an aldehyde or ketone and an amine salt of an inorganic acid....
8652229 Particle filter system incorporating nanofibers  
A filtration device including a filtration medium having a plurality of nanofibers of diameters less than 1 micron formed into a fiber mat in the presence of an abruptly varying electric field....
8652230 Media for hot gas filtration  
A filter fabric having improved filtering properties for hot gas filtration containing a nonwoven aramid mat The mat has a basis weight of at least 9.7 ounces per square yard (330 grams per square...
8641796 Filter medium and breather filter structure  
Thermoplastic bicomponent binder fiber can be combined with other media, fibers and other filtration components to form a thermally bonded filtration media. The filtration media can be used in...
8613795 Electret webs with charge-enhancing additives  
Electret webs are presented which include a blend of a thermoplastic resin and a charge-enhancing additive. The charge-enhancing additives include N-substituted amino carbocyclic aromatic...
8608817 Meltblown filter medium  
Filter media, as well as related assemblies, systems and methods. Filter media may contain one or more layers formed of a meltblown material.
8551208 Plasma treated filter  
A method, including receiving a turbine filter unit in a plasma treatment system, wherein the turbine filter unit comprises a filter media assembled with a framework, and applying at least one...
8545587 Multi-phase filter medium  
Multi-phase filter media, as well as related articles, components, filter elements, and methods, are disclosed.
8545590 Flutable fiber webs with high dust holding capacity  
The fiber webs described herein may be incorporated into filter media and filter elements. The fiber webs may exhibit a high dust holding capacity. The fiber webs may also exhibit a low thickness....
8535404 Membrane-free filter and/or integral framing for filter  
A filter for an electronics cooling unit of a telecommunications base station, the electronics cooling unit adapted to receive fresh air into a housing of the cooling unit through an opening...
8529671 Electret webs with charge-enhancing additives  
Electret webs are presented which include a blend of a thermoplastic resin and a charge additive. The charge additives include ester-substituted and amide-substituted trianilino triazine...
8523971 Multilayer nanofiber filter  
A method of making a multilayer filter and the multilayer filter made by the method. The method includes generally two steps. The first step is to coat a layer of nanofibers on a single side or...
8518141 Z-filter media pack arrangement; and, methods  
Z-filter media pack arrangements and methods for providing them are described. The preferred arrangements have a cured-in-place jacket around an outside of a coiled z-filter media combination. The...
8512432 Composite filter media  
A composite filter media structure includes, in an exemplary embodiment, a base substrate that includes a nonwoven synthetic fabric formed from a plurality of fibers with a spunbond process. The...
8512435 Filter medium and breather filter structure  
Thermoplastic bicomponent binder fiber can be combined with other media, fibers and other filtration components to form a thermally bonded filtration media. The filtration media can be used in...
8512434 Molded monocomponent monolayer respirator  
A molded respirator is made from a monocomponent monolayer nonwoven web of continuous charged monocomponent meltspun partially crystalline and partially amorphous oriented fibers of the same...
8512431 Fine fiber media layer  
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...
8506669 Pleated filter with monolayer monocomponent meltspun media  
A pleated filter is made from a monocomponent monolayer nonwoven web of continuous monocomponent meltspun partially crystalline and partially amorphous oriented fibers of the same polymeric...