Comprising At Least Two Chemically Different Fibers Patents (Class 442/5)
  • Patent number: 11078789
    Abstract: A polymer sheet adapted to attach to a material body such as a ceiling of a geological cavity and provide protective cover. The sheet comprises: a webbing portion defining a plurality of primary openings; and two margin portions extending along opposite edges of the sheet on either side of the webbing portion along a length of the sheet, each margin portion defining a plurality of secondary openings, wherein the margin portions are angled relative to the webbing portion.
    Type: Grant
    Filed: August 2, 2017
    Date of Patent: August 3, 2021
    Assignee: COREX PLASTICS (AUSTRALIA) PTY LTD
    Inventors: Simon Douglas Whiteley, Edward Philip Bacon
  • Patent number: 10704169
    Abstract: Flame resistant fabrics that have incorporated into them cellulosic filament yarns. The cellulosic filament yarns may be flame resistant (either inherently FR or treated so as to be FR) or non-flame resistant. Fabrics according to some embodiments are formed entirely of cellulosic filament yarns. However, fabrics according to some embodiments include additional yarns to ensure that the fabric complies with NFPA 1971 and/or 2112.
    Type: Grant
    Filed: August 31, 2015
    Date of Patent: July 7, 2020
    Assignee: Southern Mills, Inc.
    Inventors: Christine J. Habicht, Charles S. Dunn, Michael T. Stanhope, Matthew Lucius Colatruglio
  • Patent number: 10687592
    Abstract: A woven fabric includes light transmissive fibers woven into the fabric to provide a visual display. The fabric may be used as a tether to releasably connect a portable electronic device to a user. The light transmissive fibers may transmit light to convey information to the user. The fabric may also be used as part of the housing of an electronic device.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: June 23, 2020
    Assignee: Apple Inc.
    Inventors: Douglas J. Weber, Teodor Dabov
  • Patent number: 9809007
    Abstract: A hybrid composite panel suitable for forming a container includes a wood layer and a fiber-reinforced polymer composite layer having a sensor system embedded therein. The wood layer is laminated plywood that includes at least one of hard and soft wood, solid-sawn tongue-and-groove hardwood planks, and partially laminated solid-sawn hardwood.
    Type: Grant
    Filed: July 14, 2016
    Date of Patent: November 7, 2017
    Assignee: University of Maine System Board of Trustees
    Inventors: Habib J. Dagher, Eric D. Cassidy, Anthony M. Viselli, Bruce Segee
  • Publication number: 20150113912
    Abstract: A self-confining structural article includes a ceramic matrix with a reinforcement member disposed within the ceramic matrix. The reinforcement member is continuous, and has a mesh with holes not exceeding 4 mm in size.
    Type: Application
    Filed: May 31, 2013
    Publication date: April 30, 2015
    Inventor: Hwai-Chung Wu
  • Publication number: 20150004860
    Abstract: A mesh body made of polyethylene terephthalate (PET) having good orientation and having relatively high heat resistance is provided. Each of a split web 1 (longitudinal web) and a slit web 6 (lateral web) has a three-layer structure including a layer (main layer) made of a first thermoplastic resin and bonding layers made of a second thermoplastic resin provided on the respective surfaces of the main layer. The second thermoplastic resin has a heat-sealing property at a temperature lower than a melting point of the first thermoplastic resin. A nonwoven fabric 8 is formed by laminating crosswise a longitudinal web and a lateral web via their bonding layers so that orientation axes of the webs cross perpendicularly to each other. The first thermoplastic resin is PET. The second thermoplastic resin is an amorphous PET copolymer. Before laminating crosswise the webs, their surfaces (bonding layers) are applied with a corona treatment.
    Type: Application
    Filed: June 26, 2012
    Publication date: January 1, 2015
    Inventors: Masahiro Harashige, Shigehisa Nakazawa
  • Publication number: 20130295360
    Abstract: A reinforcing fabric for a cementitious board includes an alkali-resistant fabric and a binder including ethylene vinyl acetate. The cementitious board includes (a) a cementitious core; and (b) the reinforcing fabric disposed on at least one face of the cementitious core, the reinforcing fabric including the alkali-resistant fabric and the binder including ethylene vinyl acetate.
    Type: Application
    Filed: April 12, 2013
    Publication date: November 7, 2013
    Inventors: Gabe F. Nagy, Jie-yi Dong, Gary W. Morris
  • Patent number: 8314044
    Abstract: Permeable composite fibrous catalytic sheets comprised of at least three distinct solid phases. A first solid phase is an electrically conductive phase comprised of randomly oriented electrically conductive carbon fibers. A second solid phase is a 3-dimensional porous network of a non-conductive porous ceramic material. A third phase is comprised of catalytic particles dispersed on said 3-dimensional porous network.
    Type: Grant
    Filed: August 17, 2007
    Date of Patent: November 20, 2012
    Inventor: Juzer Jangbarwala
  • Publication number: 20120238163
    Abstract: A reinforcing mesh for a reinforced mortar or sprayed mortar layer on an underlayment. The reinforcing mesh includes carbon fibers extending only in a marked direction as a special feature and together with inexpensive stabilising fibers made of glass or polyester which extend in one or more other directions, the reinforcing mesh forms a woven fabric, a scrim or a knitted fabric. The reinforcing mesh can be layed by roughening the surface of the underlayment; applying a leveling layer of cementitious mortar to the roughed surface of the underlayment; fastening the reinforcing mesh by processing the reinforcing mesh into the wet, not yet set leveling layer; and applying a cover layer of the identical cementitious mortar to the wet, not yet set, reinforced leveling layer.
    Type: Application
    Filed: August 5, 2010
    Publication date: September 20, 2012
    Applicant: S & P CLEVER REINFORCEMENT COMPANY AG
    Inventor: Josef Scherer
  • Patent number: 8153227
    Abstract: A substrate for floorings, such as synthetic grass turf includes: a pad made of a first heat-meltable material, a stabilizing mesh made of a second heat-meltable material, and a connection layer set between said pad and the mesh. The connection layer includes a third heat-meltable material with a melting point lower than the melting point of the first and of the second heat-meltable materials. The connection layer is a discontinuous layer with a granular structure, so that the substrate is permeable to liquids in order to enable, for example, draining-off of rainwater.
    Type: Grant
    Filed: June 18, 2008
    Date of Patent: April 10, 2012
    Assignee: Mondo S.p.A.
    Inventor: Fernando Stroppiana
  • Publication number: 20110244170
    Abstract: A thermally formed three-dimensional mesh fabric comprises a flexible three dimensional permeable sheet and a thermally formed cover. The flexible three dimensional permeable sheet has a surface and a softening temperature. The thermally formed cover is applied to at least a portion of the surface of the three dimensional permeable sheet, is low-temperature thermoplastic polyester and has a softening temperature lower than that of the three dimensional permeable sheet. Thus, thermal forming three-dimensional mesh fabric is permeable, lightweight and has good support and is suitable for applications such as splints, plaster bandages and safety protectors.
    Type: Application
    Filed: April 2, 2010
    Publication date: October 6, 2011
    Inventors: Sun Fu Hsu, Mei Jan Chu, Kuo Hsiung Wang, Yi-Che Huang, Qi-Wen Lu, Chien-Cheng Lin
  • Patent number: 7892989
    Abstract: A woven panel is formed from a plurality of elongated yarns, with and without a center core. The core yarns provide mechanical strength for the woven material in supporting the coreless yarns when used in load bearing articles such as the seat or back portions of an article of furniture.
    Type: Grant
    Filed: July 29, 2004
    Date of Patent: February 22, 2011
    Assignee: Casual Living Worldwide, Inc.
    Inventors: Larry Schwartz, Coley Chris Mathis
  • Patent number: 7795162
    Abstract: A fabric (10) for an animal rug, having a mesh pattern of a size suitable for preventing penetration and biting by insects, has a mesh of woven fibers (11), forming rectangular spaces (12) therebetween. Each weft (13) and warp (14) is formed from a soft, inner, multifilament fiber (15) sandwiched between a pair of relatively stiffer, outer, monofilament fibers (16). The fabric (10) is strong and stable, yet soft and light, and it is also absorbent. The outer, monofilament fibers provide the stability of the mesh pattern by locking the soft, inner, multifilament fiber (15) in place. However, a certain amount of movement between the wefts and the warps is possible resulting in a fabric, which will mould around the body of the animal.
    Type: Grant
    Filed: February 8, 2006
    Date of Patent: September 14, 2010
    Inventor: Thomas Peter MacGuinness
  • Patent number: 7737056
    Abstract: A moisture-wicking and fast drying cloth has an outer layer and an inner layer. The outer layer is made of hydrophilic synthetic fiber and has multiple meshes. The meshes are defined through the outer layer. The inner layer is made of hydrophobic synthetic fiber and is bonded to the outer layer. The inner layer exposed by the meshes pulls away from a person's skin and protrudes into the meshes when perspiration exceeds evaporating moisture from the outer layer, so area of the inner layer contacting the person's skin will be reduced to make the person comfortable.
    Type: Grant
    Filed: March 5, 2007
    Date of Patent: June 15, 2010
    Inventor: Shih-Chieh Chang
  • Patent number: 7452831
    Abstract: The filter fabric containing polyphenylene sulfide fibers, characterized in that the following (1) and/or (2) is satisfied is used to provide a filter fabric and a bag filter composed of the filter fabric excellent in dust-collecting efficiency and high in mechanical strength: (1) Containing at least two webs, one of which on the dust side contains 50 wt % or more of heat resistant fibers with a fiber, diameter of 15 ?m or less, while the other web on the clean side contains 50 wt % or more of heat resistant fibers with a fiber diameter of 20 ?m or more (2) Containing a web containing polyphenylene sulfide staple fibers with their fineness kept in a range from 1 to 3 dtex and fluorine-based staple fibers with their fineness kept in a range from 2 to 4 dtex.
    Type: Grant
    Filed: March 25, 2004
    Date of Patent: November 18, 2008
    Assignee: Toray Industries, Inc.
    Inventors: Kenko Yamada, Motoki Nagase
  • Patent number: 7361618
    Abstract: A carbon fiber-made reinforcing woven fabric comprising a carbon-fiber woven fabric formed from warps consisting of carbon fibers and wefts consisting of carbon fibers, and auxiliary yarns arranged along at least either warps or wefts, the auxiliary yarns being passed over and under other yarns differently from associated warps or wefts. When prepreg is produced by applying matrix resin to this woven fabric by a wet/prepreg processing method before drying, the presence of auxiliary yarns in gaps in the vicinities of warp-weft intersections on the woven fabric allows matrix resin to remain around auxiliary yarns to produce no apertures in the obtained prepreg, whereby the woven fabric is suitable for a prepreg production by wet/prepreg processing.
    Type: Grant
    Filed: December 19, 2001
    Date of Patent: April 22, 2008
    Assignee: Toray Industries, Inc.
    Inventors: Kiyoshi Homma, Akira Nishimura
  • Patent number: 7332451
    Abstract: Paper-machine clothing comprising a woven structure and a filling component. A filament and a second filament of the woven structure intersect in a weave pattern contact each other. Void spaces produced by the intersection of the first filament and the second filament are substantially filled by a durable filling component. The durable component adheres to at most one of the first and second filaments.
    Type: Grant
    Filed: November 17, 2004
    Date of Patent: February 19, 2008
    Assignee: The Procter & Gamble Company
    Inventors: Steven Lee Barnholtz, Michael Gomer Stelljes, Jr., Douglas Jay Barkey, Alyssandrea Hope Hamad
  • Patent number: 7138037
    Abstract: A press felt for use in the press section of a papermaking machine is provided. The press felt includes a base fabric layer and at least one layer of a staple fiber batt material connected thereto. The press felt has a paper side surface (PS) which when in operation is in contact with a paper web conveyed thereon and a machine side surface (MS) which contacts various press section components. The base fabric layer includes a regenerated cellulosic component in either or both the MD and CD yarns. Regenerated cellulosic fibers may also be provided in the batt and/or scrims located in the batt to improve dewatering when compared to similarly constructed felts which lack this regenerated cellulosic material.
    Type: Grant
    Filed: August 12, 2004
    Date of Patent: November 21, 2006
    Assignee: AstenJohnson, Inc.
    Inventors: Marc P. Despault, Brady S. Patterson
  • Patent number: 7087300
    Abstract: Fire retardant and heat resistant yarns, fabrics, and other fibrous blends incorporate one or more fire retardant and heat resistant strands comprising oxidized polyacrylonitrile and one or more strengthening filaments such as metallic filaments (e.g., stainless steel), high strength ceramic filaments, or high strength polymer filaments. Such yarns, fabrics, and other fibrous blends have a superior tensile strength, cut resistance, abrasion resistance, LOI, TPP and continuous operating temperature compared to conventional fire retardant fabrics. The yarns, fabrics, and other fibrous blends are also more soft, supple, breathable and moisture absorbent and are therefore more comfortable to wear, compared to conventional fire retardant fabrics. The inventive yarns may be woven, knitted or otherwise assembled into a desired fabric or other article of manufacture.
    Type: Grant
    Filed: August 24, 2004
    Date of Patent: August 8, 2006
    Assignee: Chapman Thermal Products, Inc.
    Inventors: William J. Hanyon, Michael R. Chapman
  • Patent number: 6887806
    Abstract: A fabric comprising elongated steel elements is provided. This fabric is to be used to provide cut-resistance or reinforcement for protective textiles. Elongated steel elements are in contact relationship, so improving the resistance to knife cutting actions.
    Type: Grant
    Filed: April 20, 2001
    Date of Patent: May 3, 2005
    Assignee: N.V. Bekaert S.A.
    Inventors: Roger Vanassche, Luc Leman, Marc Vanhoucke, Lode Puype
  • Patent number: 6808548
    Abstract: A filter material comprising a blend of at least three types of fibers: (a) polypropylene fibers (b) polymethaphenylene isophtalamide fibers and (c) fibers of a third type selected from the group of acrylic and modacrylic. In a preferred embodiment, the blend contains about ten weight percent polymethaphenylene isophtalamide fibers, about 50 weight percent polypropylene fibers and about 40 weight percent modacrylic fibers. Performance of the blend is superior to the prior art filtration materials, especially at the preferred compositions.
    Type: Grant
    Filed: December 31, 2002
    Date of Patent: October 26, 2004
    Assignee: Hollinee Glass Corporation
    Inventors: Rodney R. Wilkins, K. Dale Montgomery, Stephen W. Alexander, James G. Tuttle, Edwin G. Hoel
  • Patent number: 6780797
    Abstract: Textile (1) possessing antilaceration properties, which is made from synthetic cables (2) sheathed with a polymer material, such as polyvinyl chloride, and includes, in the warp direction and the weft direction, metal cables (3, 4) sheathed with a polymer material having a different color from that of the polymer material for sheathing the synthetic yarns, wherein the warp and weft metal cables (3, 4) are uniformly spaced by a distance of (d, l) of less than 80 millimeters.
    Type: Grant
    Filed: March 4, 2002
    Date of Patent: August 24, 2004
    Assignee: Tissage et Enduction Serge Ferrari SA
    Inventor: Carlos Saiz
  • Publication number: 20040157524
    Abstract: A unitary fibrous structure having at least two layers wherein at least one of the layers of the structure includes long cellulosic fibers and at least one of the layers includes a mixture of short cellulosic fibers and synthetic fibers.
    Type: Application
    Filed: December 18, 2003
    Publication date: August 12, 2004
    Applicant: The Procter & Gamble Company
    Inventors: Osman Polat, Timothy Jude Lorenz, Dean Phan, Paul Dennis Trokhan
  • Publication number: 20040152378
    Abstract: In one embodiment, a flame resistant fabric includes a plurality of flame resistant body yarns that form a body of the fabric, and a plurality of relatively tough yarns provided in discrete positions within the fabric body, the relatively tough yarns comprising a filament yarn that includes a filament composed of one of polyolefin, flame resistant polyester, polytetrafluoroethylene, polyetheretherketone, polyetherimide, polysulfar, polyimide, polyamide, polyimideamide, polybenzoxazole, polybenzimidazole, carbon, and glass.
    Type: Application
    Filed: November 17, 2003
    Publication date: August 5, 2004
    Inventors: Michael T. Stanhope, Charles Dunn
  • Publication number: 20040087228
    Abstract: There is provided a conductive fiber capable of being sewn, woven or knitted, using conventional methods, into a conductive mesh for use with various wearable electronic devices and/or sensors that make direct contact with the skin. The conductive fiber, when combined with a non-slip fiber, facilitates comfortable electrical communication between different electronic devices and the skin.
    Type: Application
    Filed: October 29, 2003
    Publication date: May 6, 2004
    Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V.
    Inventors: Clive R. Van Heerden, George Marmaropoulos
  • Patent number: 6716774
    Abstract: A knitted screen cloth fabric including a polymer coated, fiber-reinforced, flexible, foil-like web and method for making same are disclosed, the web including a lattice material of filaments and a polyester binding thread.
    Type: Grant
    Filed: December 19, 2001
    Date of Patent: April 6, 2004
    Assignee: Saint-Gobain Technical Fabrics Canada, Ltd.
    Inventors: John Frederick Porter, Roger Peter Lewington
  • Publication number: 20030171053
    Abstract: In one aspect the present invention provides medical devices 10 that each include a plurality of fibers 22, substantially all of the plurality of fibers 22 each including a portion having a maximum diameter of at least five micrometers, wherein substantially all of fibers 22 form a layer on at least one external surface of medical device 10. In another aspect, the present invention provides methods of manufacturing medical devices 10, the methods including the steps of: (a) applying a layer comprising a plurality of fibers 22 to at least one surface of medical device 10; and (b) matching the value of the Young's modulus of the layer to ±35% (in some embodiments to ±20%) of the value of the Young's modulus of an animal tissue.
    Type: Application
    Filed: December 10, 2002
    Publication date: September 11, 2003
    Applicant: University of Washington
    Inventor: Joan E. Sanders
  • Patent number: 6559077
    Abstract: A mesh structure is formed from a set of a warp strands and a set of intersecting weft strands. The warp strands are formed of a knitted synthetic material which shrinks when exposed to heat, and the weft strands pass through the weave of the warp strands at the nodes where the strands intersect. Heat is applied to the mesh structure to shrink the weave of the warp strands tightly around the weft strands at the nodes, thereby co-joining the weft and warp strands to form a high-strength mesh.
    Type: Grant
    Filed: July 21, 1999
    Date of Patent: May 6, 2003
    Assignee: Polytech Netting, L.P.
    Inventor: Donal Moore
  • Patent number: 6544910
    Abstract: Essentially inelastic backing material for medical purposes, characterized in that the backing material has an addition of high-strength fibers, multi-strand yarns, mixed multistrands or filaments having an ultimate tensile stress strength of at least 60 cN/tex, preferably from 80 to 500 cN/tex, the high-strength fibers, multi-strand yarns, mixed multistrands or filaments having a water absorption of less than 10%, preferably less than 5% and, with particular preference, less than 3% and the high-strength fibers, multi-strand yarns, mixed multistrands or threads giving the backing material an ultimate stress strength of at least 50 N/cm, preferably from 60 to 450 N/cm and, with particular preference, from 65 to 250 N/cm, and in that the backing material is coated at least partially on at least one side with a hotmelt adhesive composition.
    Type: Grant
    Filed: July 10, 1998
    Date of Patent: April 8, 2003
    Assignee: Beiersdorf AG
    Inventors: Peter Himmelsbach, Stefan Bodenschatz
  • Patent number: 6222126
    Abstract: An electrical interconnect includes a woven mesh in which an array of parallel wires is retained in spaced relation by a transverse array of nonconducting strands, the mesh being enclosed or encased within a resilient matrix. The conductive wires are on a close pitch to yield greater current carrying capacity and achieve a lower more stable resistance. With this construction a great number of wires are in contact with each contact pad to yield greater current carrying capacity and corresponding lower resistance. The closer pitch wires also provide greater redundancy of contact points. This structure can be custom configured in as many layers or in a variety of shapes as is desirable to achieve a given electrical performance. The woven mesh can be wrapped around a shaped substrate to provide electrical connections in a desired shape.
    Type: Grant
    Filed: September 1, 1998
    Date of Patent: April 24, 2001
    Assignee: Thomas & Betts International, Inc.
    Inventors: Andrew H. Strange, Arthur Millay, Leonard S. Buchoff, Steven K. Mac Innes, Daniel W. Rassier
  • Patent number: 6204207
    Abstract: Extruded net with at least some strands which melt away upon the application of heat while other strands maintain elastic, or other desirable, properties. This netting is advantageously combined with a fabric in which the low melting strands function as an adhesive, while the high melting strands maintain their designed properties in the final laminate product.
    Type: Grant
    Filed: August 1, 1996
    Date of Patent: March 20, 2001
    Assignee: Leucadia, Inc.
    Inventors: Hans O. Cederblad, Mark W. Lorenson
  • Patent number: 6121172
    Abstract: Composite materials formed from bone bioactive glass or ceramic fibers and structural fibers are disclosed. In preferred embodiments, a braid or mesh of interwoven bone bioactive glass or ceramic fibers and structural fibers is impregnated with a polymeric material to provide a composite of suitable biocompatibility and structural integrity. Most preferably, the mesh or braid is designed so that the bioactive fibers are concentrated at the surface of the implant to create a surface comprised of at least 30% bioactive material, thereby providing enhanced bone ingrowth. The interweaving between the bone bioactive glass or ceramic fibers and the core of structural fibers overcomes the problems found in prior composite systems where the bioactive material delaminates from the polymer. Preferred bioactive materials include calcium phosphate ceramics and preferred structural fibers include carbon fibers. Further preferred bioactive materials include aluminum oxide at greater than 0.2%, by mole.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: September 19, 2000
    Assignee: The Trustees of the University of Pennsylvania
    Inventors: Michele S. Marcolongo, Paul Ducheyne, Frank Ko, William LaCourse
  • Patent number: 6093663
    Abstract: An elastic laminate structure is provided which is formed from at least one fabric layer and an open cell mesh having first and second strands. The laminate structure is formed such that the first strands are integrally bonded to the first fabric layer. The integrally bonded first strands both penetrate the first fabric layer and bond mechanically and/or chemically to the fibers of the first fabric layer. In addition, the first strands are deformed such that they are substantially flat in shape and substantially coplanar with the fabric layer. The elastic second strands have a substantially elliptical shape. The integral bonding of the first strands and the deformed shape of the first strands and the second strands provides an elastic laminate structure which can be worn about the body without irritation or other discomfort.
    Type: Grant
    Filed: March 2, 1999
    Date of Patent: July 25, 2000
    Assignee: The Procter & Gamble Company
    Inventors: William R. Ouellette, Scot G. Wolf
  • Patent number: 6004891
    Abstract: The composite fabric comprises a load-carrying grid disposed between cloth and a flexible layer that are held to each other, the load-carrying grid which is at least two-directional being made up at least of warp thread and weft thread which are held to one another, the mesh defined by the grid having openings of area greater than the area of the gaps defined by the texture of the decorative cloth, the decorative cloth being held directly to the flexible sheet through the mesh of the load-carrying grid such that the fabric prevents outer ribs due to the thickness of the weft threads.
    Type: Grant
    Filed: April 23, 1998
    Date of Patent: December 21, 1999
    Assignee: La Chemise Lacoste (S.A.)
    Inventors: Laurent Tuppin, Alain Gallais
  • Patent number: 5849645
    Abstract: A reinforced composite matting is disclosed, to provide a foundation for the development of vegetation to stabilize the channel surface, as a cost effective and environmentally friendly alternative to rip rap or concrete channel lining. The reinforced composite matting is formed of a bottom netting, a cuspated netting having ridges and troughs extending across the width of the cuspated netting, with the troughs substantially adacent to the bottom netting, and a top netting substantially adacent to the ridges of the cuspated netting. A fiber matrix, preferably of strands of coconut fibers is disbursed between the bottom netting and the cuspated netting, and the bottom netting, fiber matrix, cuspated netting and top netting are secured together, preferably with thread, to form the reinforced composite matting of this invention.
    Type: Grant
    Filed: June 3, 1997
    Date of Patent: December 15, 1998
    Assignee: North American Green, Inc.
    Inventor: Timothy L. Lancaster
  • Patent number: 5605748
    Abstract: There is provided a fiber bed for removing liquid aerosols and soluble solids from a gas stream in a fiber bed mist eliminator. The fiber bed is in the form of a flexible mat having a void fraction of greater than about 0.89 and greater than about 700 net collection targets. The mat includes a layer of collecting fibers having an average fiber diameter between about 1 and about 5 .mu.m. The collecting fibers are stabilized by a plurality of stabilizing fibers which penetrate into and are disposed interstitially within the collecting fiber layer. The improved fiber bed of the present invention is field-replaceable and, by utilizing fibers having a small average diameter, the thickness of the fiber bed may be reduced.
    Type: Grant
    Filed: January 19, 1994
    Date of Patent: February 25, 1997
    Assignee: Monsanto Enviro-Chem Systems, Inc.
    Inventors: Eugene D. Kennedy, John S. Merz, Prabhakar D. Paranjpe, Albert E. Tung