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6261655 |
Multi-layered polymer based thin film structure for medical grade products
A multiple layer structure comprising a skin layer composed of a polypropylene copolymer with styrene ethylene-butene styrene block copolymer within a range of 0-20% by weight skin layer, and, a...
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6254995 |
Coating from which deposits are easily removed and use thereof
A material having a substrate and a coating formed on the surface of the substrate, in which the coating contains a resin swellable with water such as an acrylic copolymer, and a water-soluble...
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6251507 |
Flexible aromatic polymide film/metal film composite sheet
A flexible aromatic polyimide film/metal film composite sheet is composed of a multi-layered polyimide film having a highly heat-resistant aromatic polyimide layer to one surface of which is bonded...
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6248857 |
Aromatic polycarbodiimide and polycarbodiimide sheet
An aromatic polycarbodiimide comprising a structure represented by the following formula (1) has excellent low moisture resistance, heat resistance and a low dielectric constant: ##STR1## wherein Q...
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6245432 |
Circuit substrate, circuit-formed suspension substrate, and production methods therefor
The present invention provides a circuit substrate and a circuit-formed suspension substrate comprising the circuit substrate, the circuit substrate comprising a metal foil substrate and an...
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6242089 |
Permeation-resistant ETFE composition and coatings
A coated substrate comprising: (a) a substrate; (b) a primer layer containing adhesion-promoting polymer on said substrate; and (c) at least one topcoat of a permeation resistant composition of...
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6238785 |
Thermoplastic resin film with excellent printability
This invention relates to a thermoplastic resin film permitting excellent paper feed and discharge and excellent transfer of offset printing ink and ink adhesion even under high humidity conditions...
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6238752 |
Diamino compounds, polyamic acids, polyimides, liquid crystal aligning films using said polyimide films and liquid crystal display devices using said aligning films
This invention relates to a diamino compound represented by the formula [1]: ##STR1## in which G 1 is a trivalent organic group of 2-20 carbon atoms, G 2 is independently a single bond, --COO--,...
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6235445 |
Thermal transfer sheet
The present invention provides a thermal transfer sheet comprising a substrate, and a light-to-heat conversion layer containing a substance capable of converting light to heat and a binder, and an...
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6232428 |
Essentially colorless, transparent polyimide coatings and films
Essentially colorless, transparent polyimide coatings and films prepared by combining aromatic dianhydrides with para-substituted aromatic diamines are provided. The polyimide coatings and films...
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6228965 |
Thermally conductive pressure-sensitive adhesive and adhesive sheet containing the same
An adhesive sheet (2) in which heat-conductive and pressure-sensitive adhesive layers (22, 23) which comprise a) a copolymer of a monomer mixture containing main monomers comprising as main...
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6228972 |
Aromatic polycarbodiimide and water repellent sheet made therefrom
An aromatic polycarbodiimide comprising a structure represented by the following formula (1) has high solubility in organic solvents, good processability, excellent moisture resistance, and water...
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6228470 |
Composite substrate for electronic components
A substrate having enhanced mechanical rigidity and including high stiffness reinforcing layers, a conductive layer and non-cloth dielectric layers wherein the non-cloth dielectric layers have a...
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6222007 |
Films, preimpregnated tapes and composites made from polyimide "Salt-like" Solutions
High quality films, preimpregnated tape (prepegs) and composites have been fabricated from polyimide precursor "salt-like" solutions. These "salt-like" solutions have a low viscosity (5,000 to...
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6218501 |
Polymaleimide and polyimide photo-alignment materials for LC display
The present invention relates to a cinnamatic photo-polymerization type homopolymeric or copolymeric alignment material, in which polymaleimide is singly used as the main chain, or is combined with...
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6217963 |
Seamless tubular composite film and method for producing the same
A seamless tubular composite film wherein a seamless tubular film comprising fluororesin with a film thickness of 5-20 μm stretched 2-10% in circumferential direction is fitted on the outside of a...
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6217996 |
Aromatic polyimide film and its composite sheet
An aromatic polyimide film composed of a biphenyltetracarboxylic acid unit and a phenylenediamine unit, and having a thickness of 5-150 μm and an elongation of 45-90% shows, in combination with an...
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6214465 |
Floor absorbent granular product comprising kaokin clay and cellulose fibers
Granular absorbent products with low amounts of paper fiber are described. The absorbent products are made from recycled paper and include less than about 10% of paper fibers having a length...
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6214441 |
Use of wee (water edge exposure) to prevent polyimide
A method is disclosed for sealing the edge of a wafer against slurry debris and contaminants that are encountered during grinding and backlapping of a semiconductor substrate. This is accomplished...
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6214923 |
Polyimide-based composite, electronic parts using the composite, and polyimide-based aqueous dispersion
A polyimide-based composite according to the invention is formed using a precursor comprising (A) a polyimide component and (B) another polymer component, wherein the polyimide forms a continuous...
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6203918 |
Laminate for HDD suspension and its manufacture
This invention relates to laminates for use in HDD suspensions which are composed of a stainless steel base material and successive layers formed thereon of polyimides and an electrical conductor...
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6201945 |
Polyimide and doped metal oxide fuser components
A polyimide film component useful as fusing films and having electrically conductive doped metal oxide fillers dispersed therein, the fusing film having a surface resistivity of from about 10 4 to...
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6191252 |
Method of preparing polymers with low melt viscosity
This invention is an improvement in standard polymerizations procedures, i.e., addition-type and step-growth type polymerizations, wherein momomers are reacted to form a growing polymer chain. The...
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6187886 |
Maleimide containing formulations and uses therefor
In accordance with the present invention, there are provided novel hydrophobic compositions comprising a defined hydrophobic maleimide moiety and optionally, a hydrophobic cyanate ester moiety....
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6183869 |
Primer composition, fixing member, and fixing device using the fixing member
A primer composition for a fluororesin comprises a heat resistant resin, a fluororesin and a coupling agent, or a fluororesin and a silicone-modified polyimide, or a fluorine-containing polyimide...
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6177185 |
Composite concrete structure including an imide layer and method for making same
A composite structure is provided which resists corrosion and cracking due to water seepage and roadway use. The composite structure of reinforced concrete is wear resistant through bonding it to a...
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6159611 |
High dielectric constant flexible polyimide film and process of preparation
A flexible, high dielectric constant polyimide film composed of either a single layer of an adhesive thermoplastic polyimide film or a multilayer polyimide film having adhesive thermoplastic...
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6156438 |
Monolithic polyimide laminate containing encapsulated design and preparation thereof
A monolithic polyimide laminate without joints or seams, formed from polyimide layers containing from 400 to 10,000 ppm of tin without the use of an adhesive, and containing an encapsulated image...
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6150495 |
Superabsorbing fibers and films and process for preparing same
Superabsorbent fiber composition comprising partially hydrolyzed, internally plasticized, crosslinked, superabsorbing fibers derived from polysuccinimide and process for preparing same....
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6146480 |
Flexible laminate for flexible circuit
Method of forming a flexible circuit laminate for use in the production of flexible circuits, comprising the steps of electrodepositing a continuous layer of copper on a first side of a generally...
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6146764 |
Polymer films and process for the preparation thereof
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6143399 |
Aromatic polyimide film
An aromatic polyimide film which is favorably employed for preparing a laminate of an aromatic polyimide film, an adhesive layer, and an electroconductive sheet is made of a polyimide prepared from...
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6139972 |
Solder paste containment device
The invention provides an improved donor substrate for the formation and transfer of solder bumps useful in IC packaging and related interconnect applications. The donor substrate is improved by...
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6139926 |
Polyimide photo alignment film from 3,3,4,4-benzophenone tetracarboxylic dianhydride and ortho-substituted aromatic diamines for liquid crystal displays
The present invention relates to polyimide photo alignment films for liquid crystal display devices comprising an aromatic tetracarboxylic dianhydride component containing 3,3',4,4'-benzophenone...
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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...
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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...
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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...
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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...
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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...
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6127509 |
Polyimides having high Tg, high TOS, and low moisture regain
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RE36899 |
Iridescent film with thermoplastic elastomeric components
Improvements in multilayer light reflecting film are effected by the use of a thermoplastic elastomer resin in a system in which two or more resinous materials form a plurality of the layers.
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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...
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6118968 |
Intermediate transfer components including polyimide and polyphenylene sulfide layers
A transfer member having a polyimide substrate, an optional solventless intermediate adhesive layer, an outer polyphenylene sulfide layer, and an optional outer release layer, which provides...
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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 R 1 is F(CF 2 ) x --(CH 2 ) m , or F(CF 2 ) x SO 2 N(R 5...
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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...
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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...
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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...
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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...
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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/cm 2 , and wherein an average ten-point...
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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...
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