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5552224 |
Carbonate blend polymer compositions comprising a high molecular weight branched carbonate polymer component and methods for their preparation
Novel carbonate polymer blend compositions and processes for their preparation are disclosed where an amount of a high molecular weight branched carbonate polymer component (HMWB PC) is combined...
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5549971 |
Laser assisted fiber growth
Small diameter fibers formed from the use of laser energy and gaseous reactants and are disclosed. Also disclosed is an apparatus and method for the formation of continuous, substrate free,...
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5549964 |
Stretchable nonwoven fabric and method of manufacturing the same
A stretchable nonwoven fabric manufactured by using a hydrogenated block copolymer obtained by hydrogenating a block copolymer including polymer blocks A constituted mainly by a vinyl aromatic...
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5547756 |
Porous polypropylene hollow fiber membrane of large pore diameter, production process thereof, and hydrophilized porous hollow fiber membranes
Disclosed is a porous polypropylene hollow fiber membrane of large pore diameter which have (a) rectangular pores formed by microfibrils that are oriented in the lengthwise direction of the fibers...
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5545481 |
Polyolefin fiber
A fiber comprising a polyolefin fiber having a finish which comprises an antistatic composition, wherein the fiber with the finish has a hydrostatic head value at least about 102 mm and is capable...
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5543211 |
Asphalt fibers
A method for producing asphalt fibers includes supplying molten asphalt to a rotating asphalt spinner, centrifuging asphalt fibers from the asphalt spinner, and collecting the asphalt fibers. The...
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5541008 |
Magnetic recording medium
In the magnetic recording medium, the non-magnetic substrate has at least one under-coat layer including the flake powder of non-magnetic material on its surface, thereby splendid property of...
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5536572 |
Compositions for polyolefin fibers having improved flame-resistance and no corrosive properties
An olefin polymer composition is disclosed which comprises (by weight): (a) from 0.3 to 3% of a complex of general formula: R.(MeX 3 ) y wherein R is an amine; Me is bismuth or antimony; X is...
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5532054 |
Molding material
A molding material shaped like a plate and comprising a composite of continuous fibers and thermoplastic resin wherein each of the filaments which form the continuous fiber is coated around the...
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5529845 |
Fibers suitable for the production of nonwoven fabrics having improved strength and softness characteristics
Disclosed is a simple, undrawn, 1-10 dtex, propylene polymer fiber, the thermowelding stength of which is at least 5 Newtons, the flexibility index of which is greater than 800, and which has good...
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5525423 |
Method of making multiple diameter metallic tow material
An apparatus and method is disclosed for an improved fiber tow having plural diameter metallic wires, comprising the drawing of a first cladded metallic wire to provide a first drawn cladding of...
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5509430 |
Bicomponent fibers and tobacco smoke filters formed therefrom
Sheath-core bicomponent fibers comprising a core of a low-cost, high strength, thermoplastic material, preferably polypropylene, completely covered with a sheath formed preferably of plasticized...
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5508109 |
Fiber blend for low cost, asbestos free friction material
A fiber blend for use in friction materials. The fiber contains a blend of a highly fibrillated fiber, such as a fibrillated polyacrylonitrile fiber and a fiber with a high carbon content, such as...
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5491027 |
Melt-processible conducting polymer blends based on fibrils of intractable conducting poymers
Microfibrils are formed which include conductive conjugated polymer. These microfibrils are incorporated into polymer admixtures which are thermo-formed into conductive shaped articles.
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5487943 |
Multiconstituent fibers, and nonwoven structures of such fibers
Multiconstituent fibers having a dominant continuous linear low density polyethylene phase, and one or more discontinuous phase polymers, dispersed through the dominant continuous phase in the form...
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5486497 |
Ceramic fiber yarn, and a method of and a spinning machine for making the same
The present invention relates to a ceramic fiber yarn, which has higher weaving and knitting performance. The ceramic fiber yarn comprises a group of filaments, the filaments being made by the...
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5486418 |
Water-soluble heat-press-bonding polyvinyl alcohol binder fiber of a sea-islands structure
By mixing a high-melting polyvinyl alcohol type polymer (A) and a low-melting water-soluble polymer (B) in a solvent for the polymer (A) to prepare a spinning solution and then subjecting the...
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5470659 |
Hollow fibers
A bundle of hollow fibers of uniform diameter, particularly for use in dialysis is formed of a plurality of parallel hollow fibres at least a part of which, prior to the formation of the bundle, is...
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5468550 |
EPDM roofing membrane with improved burn resistivity
Vulcanizable elastomeric roof sheet materials for roofing having improved burn resistivity and prepared from a polymeric composition of matter comprise at least one polymer selected from the group...
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5456982 |
Bicomponent synthesis fibre and process for producing same
A thermobondable bicomponent synthetic fiber (8,14) with a length of at least about 3 mm, adapted to use in the blending of fluff pulp for the production of hygiene absorbent products, the fiber...
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5443891 |
Low amplitude wave-board
A low amplitude wave-board panel having improved bending strength and bending stiffness properties is provided. More specifically, the amplitude of the waves is substantially equal to, or less than...
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5431999 |
Polyester monofilaments
A process of high-speed spinning of a set of thermoplastic monofilaments having a linear density from 1 to 30 dtex, includes spinning to obtain melt-spun thermoplastic monofilaments and airblast...
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5417889 |
Method for preparing filter aid for analytical use
A method for making a filter aid for tangled short-length ceramic fibers having a bulk density in the range of about 0.02-0.18 g/cm 3 includes cutting long ceramic fibers in water, dehydrating,...
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5413851 |
Coated fibers
A coated fiber is provided. The coated fiber comprises a ceramic or carbon fiber having a coating thereon of a refractory metal or metal-based ceramic material, the coating being substantially...
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5407735 |
Tapered fiber and napped fabric utilizing the same
Provided is a sheath-core composite polyester fiber with both the core and the sheath comprising polyesters and at least one end thereof is tapered to its tip. Two groups of recesses having...
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5405694 |
Stuffing
A stuffing comprises a plurality of preferably loosely disposed individual stuffing elements of an elastic material. Each stuffing element is shaped as a thin foil-like sheet with at least one...
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5397610 |
Plastic molding having luster and method of molding the same
A plastic molding produced by molding a resin composition comprising 98 to 50 parts by weight of a thermoplastic polyester resin (A) and 2 to 50 parts by weight of a resin (B) incompatible with the...
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5387468 |
Size composition for impregnating filament strands
An aqueous size composition for glass fibers is disclosed which includes a thermoplastic polymer resin powder, a coupling agent, and fugitive processing aids, such as binders or film formers. The...
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5385978 |
Crimped acrylic fibers having improved thixotropic performance
Crimped acrylic fibers with a small diameter, a minimum aspect ratio in the 20-50 range, and having a crimp of greater than about 10% so as to enhance the viscosity of polymers, resistance to...
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5385784 |
Deeply dyed polyester fabric
A deeply dyed polyester fabric exhibiting a lightness index L* value of 25 to 60. Fibers at least in the surface layer portion of either or both of the warps and wefts exhibit a light transmittance...
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5384190 |
Conductive substrate comprising carbon black and inorganic powders
The present invention discloses a conductive substrate applicable to electrostatic recording processes, electrophographic processes and the like, and demonstrating excellent resistance to damage by...
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5380593 |
Polymeric metal terephthalate and isophthalate fibers
Anhydrous polymeric metal terephthalate and isophthalate fibers are disclosed and a method for making them wherein said metal is selected from the group consisting of calcium, barium, magnesium and...
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5372868 |
Fiber reinforced glass matrix and glass-ceramic matrix composite articles
Fiber reinforced glass or glass-ceramic matrix composite articles are described which comprise spaced apart face sheets connected by ribs which extend between the face sheets. The fibers in the...
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5370929 |
Polyester fiber, process for the production and process for the dyeing of the fibrous structure of the polyester fiber
A fiber of a polyester, in which 80% or more of the repeating units are composed of ethylene terephthalate, characterized in that it satisfies the following inequalities: 0.16<tan δ max ...
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5352512 |
Microscopic tube material and its method of manufacture
This invention offers a unique method to fabricate unique, straight, curved, or coiled tubes as small as 5 nanometers in diameter with wall thicknesses starting at about 1 nanometer. These tubes...
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5344702 |
Coated fibers
Fibers coated with thin polymeric films are disclosed and claimed. In a preferred embodiment, microporous fibers are coated with a pre-cast polymeric film having a thickness of about 200 to about...
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5330833 |
Tin oxide fiber and a process for producing the same
A tin oxide fiber expressed by the general formula Sn (1-y) Z y O 2 (I) wherein Z is a metal element of the Group V of the periodic table, and y is 0 to 0.3,...
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5324563 |
Unidirectional carbon fiber reinforced pultruded composite material having improved compressive strength
A pultruded shaped composite material of carbon fiber having a diameter not greater than 0.001 inch aligned linearly with a degree of waviness defined by an average amplitude to length (A/L) ratio...
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5323261 |
Harmonic generating device
A fiber-type wavelength converting device comprises a nonlinear optical crystal core; and a glass cladding surrounding the core that produces a second harmonic utilizing Cherenkov radiation. An...
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5322735 |
Roller body, method of its manufacture, and of roller or plain bearings
A roller body or plain bearing component exhibits a core body (1) of ceramic material which is coated with a lapped hard layer (3) (e.g. titanium carbide, Diamond . . . ).
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5320905 |
Ionomers of ethylene/carboxylic acid copolymers
Novel ionomers of normally solid, thermo-plastic, orientable, copolymers of ethylene and at least one alpha,beta-ethylenically-unsaturated carboxylic acid having a relatively high content of the...
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5310598 |
Radio wave absorbing material
A radio wave absorbing material comprising zinc oxide whiskers. In a preferred embodiment, the zinc oxide whiskers are comprised of a central part and needle crystal projections extending from said...
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5302447 |
Hotmelt-adhesive fiber sheet and process for producing the same
A hotmelt-adhesive fiber sheet having a high adhesion onto paper, clothes ,timbers, metals, etc. is obtained by subjecting (1) a termpolymer of ethylene-acrylic acid ester-maleic anhydride, from...
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5266395 |
Friction material for making brake pads
A friction material for making brake pads or brake disks is formed by mixing metallic fiber and/or aramid fibers as a main component, a filler material and a binder agent for binding the main...
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5264261 |
Fibre reinforced polymer compositions and process and apparatus for production thereof
Fibrous network structures are produced within liquid polymer resins by passing the fiber-containing resin along a channel having a plurality of sets of flow modifying elements which establish a...
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5264284 |
Fibrous composite metal hydroxide and process for the production thereof
A fibrous composite metal hydroxide containing a small amount of hexagonal-plate-like magnesium hydroxide and being therefore advantageously useful as a reinforcing material for resins and rubbers....
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5244727 |
Refractories for use in firing ceramics
A refractory for use in firing ceramics has a ceramic coating applied by plasma spraying onto the surface of a heat-resistant lightweight shaped article containing heat-resistant lightweight shaped...
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5230951 |
Production of fibre reinforced ceramic composite
A process for the production of a fibre-reinforced ceramic composite by forming a precursor structure comprising a matrix of a composition comprising particulate ceramic material, liquid diluent...
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5225489 |
Composites of thermoplastic and thermoplastic polymers having therein short fibers derived from anisotropic polymers
This invention relates to mixtures of short fibers of varying lengths, diameters and aspect ratios composed of an anisotropic polymer, to compositions containing said fibers and one or more...
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5225276 |
Filter aid for analytical use and method for preparing the same
The present invention relates to a filter aid for analytical use and method for preparing the same, more particularly, a filter aid for analytical use consisting essentially of tangled short-length...
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