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...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 |
| 6136412 | Microtextured catalyst transfer substrate A membrane electrode assembly is provided comprising an ion conducting membrane and one or more electrode layers that comprise nanostructured elements, wherein the nanostructured elements are in incomplete contact with the ion conducting membrane. This in... | 10/24/2000 |
| 6133401 | Method to prepare processable polyimides with reactive endgroups using 1,3-bis (3-aminophenoxy) benzene Polyimide copolymers were obtained containing 1,3-bis(3-aminophenoxy)benzene (APB) and other diamines and dianhydrides and terminating with the appropriate amount of reactive endcapper. The reactive endcappers studied include but should not be limited to ... | 10/17/2000 |
| 6132865 | Adhesive tape for electronic parts An adhesive tape for electronic parts which comprises a metal substrate and an adhesive layer A and an adhesive layer B laminated in order on at least one side of said metal substrate, wherein said adhesive A comprises a polyimide consisting of 100 -20% b... | 10/17/2000 |
| 6132852 | Multilayer wiring substrate and method for production thereof A multilayer wiring substrate using a resin composition comprising polyquinoline compound and bismaleimide compound as essential ingredients between wiring-carrying resin layers as insulating layers forms no void at the time of lamination, has an excellen... | 10/17/2000 |
| 6133407 | Polyimide precursor solution, coating film obtained therefrom, and process for producing polyimide coating film A polyimide precursor solution having a high concentration yet low viscosity, a polyimide coating film having satisfactory physical properties which is prepared from the polyimide precursor solution, and a process for producing a polyimide coating film us... | 10/17/2000 |
| 6133408 | Polyimide resin for cast on copper laminate and laminate produced therefrom A polyimide resin having good thermal stability and good adhesion to a metal foil is disclosed. The polyimide resin is prepared by dissolving at least one diamine in a polar aprotic solvent followed by the addition of an aromatic tetracarboxylic acid dian... | 10/17/2000 |
| 6129982 | Aromatic polyimide film having improved adhesion In a heat-resistant aromatic polyimide/metal (or metal oxide) composite sheet composed of an aromatic polyimide film and a metal or metal oxide layer arranged on the film, the polyimide film is composed of an aromatic polyimide resin and an Al-containing ... | 10/10/2000 |
| 6127509 | Polyimides having high Tg, high TOS, and low moisture regain Polyimide polymers from 3,4,3',4'-biphenyltetracarboxylic dianhydride and 3,4,3',4'-benzophenonetetracarboxylic dianhydride and a diamine such as p-phenylenediamine exhibit a high glass transition temperature, high thermal oxidative stability and low mois... | 10/03/2000 |
| 6124035 | High temperature transfer molding resins High temperature resins containing phenylethynyl groups that are processable by transfer molding have been prepared. These phenylethynyl containing oligomers were prepared from aromatic diamines containing phenylethynyl groups and various ratios of phthal... | 09/26/2000 |
| 6114419 | Fluorinated melt additives for thermoplastic polymers Fluorinated imides useful for imparting repellency of low surface tension fluids to thermoplastic polymers of formulae ##STR1## wherein R1 is F(CF2)x --(CH2)m, or F(CF2)x SO... | 09/05/2000 |
| 6111059 | Diaminobenzene derivatives, polyimides prepared therefrom, and alignment film for liquid crystals A diaminobenzene derivative represented by formula (1), and a polyimide obtained by reacting a diamine containing at least 1 mol % of said diaminobenzene derivative, with a tetracarboxylic acid and its derivatives to obtain a polyimide precursor and ring-... | 08/29/2000 |
| 6106949 | Reformed polyimide fluorocarbon resin laminated film The present invention provides a reformed polyimide fluorocarbon resin laminated film having superior adhesive property with metals. The reformed polyimide fluorocarbon resin laminated film according to the present invention is constructed by that a surface of... | 08/22/2000 |
| 6106936 | Overlay material for plain bearing comprising filled fluorothermoplastic material A sliding bearing material contains a matrix material and an antifriction material composed of at least one fluorinated plastic material and fillers. The antifriction material contains as fillers 5 to 48% by volume boron nitride and 2 to 45% by volume of ... | 08/22/2000 |
| 6103322 | Materials for inducing alignment of liquid crystals and liquid crystal optical elements The present invention provides novel polyamic acids and polyimide optical alignment layers for inducing alignment of a liquid crystal medium. The novel compositions comprise crosslinking diamines containing a C3 -C20 linear or branch... | 08/15/2000 |
| 6096427 | Fuser belts with adhesion promoting layer A toner fuser belt for use with electrophotographic apparatus including a thermally conductive substrate through which heat is applied; a toner release layer formed over the substrate; and an adhesion promoting layer including an aliphatic cross-linked po... | 08/01/2000 |
| 6096419 | Aromatic polyamide film and magnetic recording medium using the same The present invention provides an aromatic polyamide film wherein a heat-shrinkage in the TD direction at 220° C. is of 0.2 to 8% under a load of 80 kg/cm2, and wherein an average ten-point roughness Rz of the surface that is opposite to a sur... | 08/01/2000 |
| 6087006 | Surface-protecting film and resin-sealed semiconductor device having said film A surface-protecting film is formed on the surface of the semiconductor element of a resin-sealed semiconductor device to prevent the peeling and cracking of the sealing member used in said device, by coating on said surface a polyimide precursor composit... | 07/11/2000 |
| 6086795 | Adhesive compositions The present invention relates to adhesive compositions comprising at least one light emitting material and which are suitable for bonding substrates together and may be detected and measured via non-invasive techniques.... | 07/11/2000 |
| 6084058 | Composition for liquid crystal aligning film, liquid crystal aligning film, liquid crystal displays and liquid crystal display element A composition for a polyimide type liquid crystal aligning film characterized in that a diamino compound constituting polyimide contains one, two or more diamine selected from 4,4'-diaminodiphenyl methane, 3,3'-dimethyl-4,4'-diaminodiphenyl methane, ... | 07/04/2000 |
| 6084053 | Electronic part and process for manufacturing the same Electronic parts and a process for manufacturing the electronic parts are provided. The electronic parts comprise an electric insulating material exhibiting a high heat resistance and low dielectric constant as a structural component. The electric insulat... | 07/04/2000 |
| 6083612 | Heat-resistant releasable film and process for forming the film A heat resistant, mold releasing coating characterized in: (a) that it comprises a layer A formed to cover the surface of the base material to be coated, wherein the coating layer forming components thereof comprise 20 to 95% by weight of frit and 5 to 80... | 07/04/2000 |
| 6080487 | Method of improving adhesion between a fluoropolymer and a substrate A multi-layer article comprising a substrate and a dehydrofluorinated fluoropolymer, wherein the dehydrofluorinated polymer contains substantially no grafted adhesion-promoting groups, and the dehydrofluorinated fluoropolymer contains sufficient carbon-ca... | 06/27/2000 |
| 6074757 | Mixtures of solutions of polyamidocarboxylic acids and solutions of polyimide-forming starting materials The invention relates to mixtures of preferably from 80 to 99.9% by weight, based on the mixture, of a solution S1 comprising one or more polyamidocarboxylic acids and preferably from 0.1 to 20% by weight, based on the mixture, of a solution S2 comprising... | 06/13/2000 |
| 6068932 | Thermosetting resin composition A thermosetting resin composition for a fixing treatment of electronic parts, which is able to adhere in short time at low temperature, has a heat resistance, is lowly hygroscopic, and hardly produces package cracks, etc. The thermosetting resin compositi... | 05/30/2000 |
| 6067139 | Multi-domain STN LCD comprising fluorinated polyimide alignment layers The present invention provides a STN LCD device having at least two domains per pixel, comprising: a) a liquid crystal layer having opposite sides; b) a set of electrodes on either side of said liquid crystal layer; c) a fluorinated polyimide alignment film for ali... | 05/23/2000 |
| 6066696 | Optical alignment composition, alignment layer formed using the same and LCD having the alignment layer An optical alignment composition including a first polymer selected from a cinnamate-series polymer and a coumarin-series polymer, and a second polymer selected from polyimide having a long-chain alkyl group at its side chains and polyimide having an alky... | 05/23/2000 |
| 6066400 | Polyimide biasable components A biasable member having a fluorinated carbon filled polyimide layer which exhibits controlled electrical conductivity is disclosed, along with embodiments wherein the fluorinated carbon filled polyimide layer is a substrate, embodiments wherein the fluor... | 05/23/2000 |
| 6063463 | Mixed carbon black fuser member coatings A fuser member having a resistive heating layer including a polymer and a mixture of more than one variety of carbon black, the mixture including a first carbon black and a second carbon black of a different variety than the first carbon black.... | 05/16/2000 |
| 6060158 | Fluoro-carbon resinous laminate having a crack-resistant surface and method of producing said laminate A fluoro-carbon resinous laminate has a crack-resistant surface on a fluoro-carbon resinous layer thereof produced by coating a single surface or both surfaces of a plastic film with a single layer of a fluoro-carbon resinous dispersion, and a method of p... | 05/09/2000 |
| 6057035 | High-temperature polymer/inorganic nanocomposites The invention provides new high-use temperature, lightweight polymer/inorganic nanocomposite materials with enhanced thermal stability and performance characteristics. The invention provides two techniques that enhance the thermal stability of the nanocom... | 05/02/2000 |
| 6054210 | Molded magnetic article A molded magnetic article and fabrication method are provided. Particles of ferromagnetic material embedded in a polymer binder are molded under heat and pressure into a geometric shape. Each particle is an oblate spheroid having a radius-to-thickness asp... | 04/25/2000 |
| 6054224 | Polyester film for electrical insulation An electrical insulating polyester film has an apparent density of 1.37 to 0.85 g/cm3 and a tensile modulus of 2.0 to 4.5 GPa. A film having low oligomer content, low cost, high heat resistance, high impact resistance, superior machinability and pro... | 04/25/2000 |
| 6051677 | Gas separating membrane having a polycarbodiimide resin layer Disclosed is a gas separating membrane comprising a layer made of a polycarbodiimide resin having repeating units represented by formula (I): ##STR1## wherein R represents a divalent organic group. The gas separating membrane available according to t... | 04/18/2000 |
| 6051306 | Ink jet printable surface An ink jet receiving surface includes a first hydrophilic polymer containing a hydroxyl group and a second hydrophilic polymer containing an amid, amine, imide, or imine group. A multicarboxylic acid or derivative thereof is provided which polymerizes the... | 04/18/2000 |
| 6045886 | Adhesive tape for electronic parts This invention provide an adhesive tape and a liquid adhesive for electronic parts having sufficient thermal resistance and reliability. The adhesive tape comprises adhesive layers composed of at least a polyimide comprising the repeating units represente... | 04/04/2000 |
| 6043337 | Polarizable amines and polyimides for optical alignment of liquid crystals The present invention relates to amine compositions and the preparation of polyimides. The polyimides can be used for inducing alignment of a liquid crystal medium with polarized light in liquid crystal display elements.... | 03/28/2000 |
| 6042929 | Multilayer metalized composite on polymer film product and process A composite substrate material useful for fabricating printed circuits is provided comprising a polymeric film having at least one surface modified by plasma etching, a first thin metal nitride layer, a thin second metal nitride layer, and an electrically... | 03/28/2000 |
| 6040418 | Fluorinated polyimides, laminated substrates and polyamic acid solutions Fluorinated polymides comprising units of 2,2',5,5',6,6'-hexafluorobiphenyl-3,3',4,4'-tetracarboxylic dianhydride and aromatic diamines.... | 03/21/2000 |
| 6040025 | Adhesion binder containing glutarimide moieties The present invention is directed to a multilayer material having in order a layer of fluorinated polymer, a layer of binder for fluorinated polymer having a polymer A with moieties (1)-(4), and a layer of polymer which is incompatible with the fluorinate... | 03/21/2000 |
| 6037048 | Fibers made from long chain branched syndiotactic vinyl aromatic polymers Fibers having increased strength and small diameters can be produced from compositions comprising long chain branched syndiotactic vinyl aromatic polymers. Due to the increased fiber strength, less strand breakage occurs during processing which increases ... | 03/14/2000 |
