Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7390351 | Electrets and compounds useful in electrets An electret filter media that includes a thermoplastic resin and a compound of the formula Y2-A(R1)n—Y1, where A is benzene, naphthalene or anthracene, Y1 and Y2 are each independently R2... | 06/24/2008 |
| 7338915 | Ropes of single-wall carbon nanotubes and compositions thereof This invention provides a method of making single-wall carbon nanotubes by laser vaporizing a mixture of carbon and one or more Group VIII transition metals. Single-wall carbon nanotubes preferentially form in the vapor and the one or more Group VIII transition meta... | 03/04/2008 |
| 7288338 | Mat of glass and other fibers and method for producing such mat A binderless glass fiber mat suitable for use as a separator for valve regulated (“recombinant”) lead acid (“VRLA”) batteries is disclosed. The separator is produced by a dry process by collecting the fibers from fiberizing apparatus, without subjecting them... | 10/30/2007 |
| 7236282 | Polygon mirror and optical scanning apparatus employing the same A polygon mirror structure comprising a mirror body including spherical ceramic particles, a reinforcement member for reinforcing the strength of the ceramic particles, and a polymer, and further comprising a plurality of mirror surfaces formed on a lateral surface ... | 06/26/2007 |
| 7078359 | Aerogel composite with fibrous batting Aerogel composite materials having a lofty fibrous batting reinforcement preferably in combination with one or both of individual short randomly oriented microfibers and conductive layers exhibit improved performance in one or all of flexibility, drape, durability, ... | 07/18/2006 |
| 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 |
| 7022629 | Print through elimination in fiber reinforced matrix composite mirrors and method of construction A fiber reinforced matrix composite mirror that eliminates the problem of “print through”. A layer of small unbundled fibers in the matrix diffuses and randomize any stresses that are created by the weave pattern of the fiber reinforcement so that the coarse tex... | 04/04/2006 |
| 6949308 | Gas diffusion substrate A fuel cell gas diffusion substrate has primary fibres, secondary fibres and one or more thermoplastic polymers for binding the primary and secondary fibres, characterized in that the secondary fibers are in the form of carbon nanofibers, and a gas diffusion electro... | 09/27/2005 |
| 6821321 | Combined vapor and particulate filter A personal respirator has a face mask and is provided with a filter unit comprising a canister housing contiguous layers of novel filter material. The filter material is suitable for both particulate and vapor filtration, and comprises a composite of first and secon... | 11/23/2004 |
| 5972253 | Preparation of monolithic carbon fiber composite material A process for preparing an activated carbon fiber composite material includes the steps of mixing carbon fibers, binder and water to form a slurry, molding the slurry to produce a green monolithic body, curing the monolithic body, carbonizing the cured mo... | 10/26/1999 |
| 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 friction discs, and to methods of manufacture of same. Offcut... | 02/09/1999 |
| 5582908 | Ignition resistant carbonaceous material A process for preparing an ignition resistant carbonaceous material by exposing a meltblown or spunbonded acrylic precursor material in the form of at least one ply of a generally planar fibrous web, matt or batt to ionizing radiation to crosslink said ac... | 12/10/1996 |
| 5437921 | Electronic components mounting base material A base material for mounting electronic components is provided which has a low density and a coefficient of thermal expansion close to that of aluminum and can be processed with ease. The base material essentially consists of aluminum or an aluminum alloy... | 08/01/1995 |
| 5399423 | Ignition resistant meltblown or spunbonded insulation material An ignition resistant fibrous material for use as insulation. The material comprises a multiplicity of meltblown or spunbonded thermoplastic filaments in combination with a multiplicity of nonlinear, nongraphitic carbonaceous fibers. The carbonaceous fibe... | 03/21/1995 |
| 5080963 | Mixed fiber composite structures high surface area-high conductivity mixtures A new class of composites results from a matrix of carbon fibers, including graphite fibers, interwoven in a network of fused metal fibers. The composites can be fabricated to have varying surface area, void volume, and pore size while maintaining high el... | 01/14/1992 |
| 5034267 | Carbonaceous fiber or fiber assembly with inorganic coating A thermally stable metal coated carbonaceous fiber batting, fiber tow, yarn or fabric which maintains loft, has some degree of resiliency and some degree of stability in the presence of various concentrations of oxygen at elevated temperatures said fibers... | 07/23/1991 |
| 4981752 | Formation of melt-spun acrylic fibers which are well suited for thermal conversion to high strength carbon fibers An acrylic multifilamentary material possessing an internal structure which is well suited for thermal conversion to high strength carbon fibers is formed via a specifically defined combination of processing conditions. The acrylic polymer while in substa... | 01/01/1991 |
| 4981751 | Melt-spun acrylic fibers which are particularly suited for thermal conversion to high strength carbon fibers An acrylic multifilamentary material possessing an internal structure which is particularly suited for thermal conversion to high strength carbon fibers is formed via a specifically defined combination of processing conditions. The acrylic polymer while i... | 01/01/1991 |
| 4861653 | Pitch carbon fibers and batts Mesophase pitch centrifugally spun as described over a lip yields upon stabilization and carbonization with or without graphitization carbon fibers with a lamellar microstructure.... | 08/29/1989 |
| 4844974 | Antistatic, antislosh, flame arresting structure for use in containers holding flammable fluids An antislosh, flame arresting structure for use in or with containers holding flammable fluids comprising a multiplicity of heat set carbonaceous fibers having an LOI value greater than 40 in an amount effective for preventing sloshing of the fluids and c... | 07/04/1989 |
| 4391873 | High temperature thermal insulating composite A composite contains in one region graphite flakes and refractory fibers in arbonized polymeric resin and in an adjacent region a gradually diminishing weight proportion of graphite flakes, refractory fibers, and the same carbonized resin.... | 07/05/1983 |
