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7632442 |
Method for manufacturing an inorganic yarn
A method and system for manufacturing an inorganic yarn require a mixture of volcanic rock and an additive including potassium permanganate. This mixture is heated to form a melt. From the melt, a...
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7628945 |
Extruded radiused plastic articles and method of forming the same
Extruding radiused plastic articles with an extruding machine terminating in die defining a path of travel between upstream and downstream ends. The die has an outlet opening extending...
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7628944 |
Spinning, doping, dedoping and redoping polyaniline fiber
A composition of matter suitable for spinning polyaniline fiber, a method for spinning electrically conductive polyaniline fiber, a method for exchanging dopants in polyaniline fibers, and methods...
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7629435 |
Method for producing masticated rubber
A method for producing a masticated rubber, which comprises the steps of masticating rubber at a shear rate of from 500 to 4,500 (l/s); and obtaining masticated rubber having a weight-average...
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7622063 |
Pleated aligned web filter
A filter element in the form of a nonwoven self-supporting filtration web having rows of folded or corrugated spaced-apart pleats, the web containing continuous thermoplastic fibers a majority of...
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7618580 |
Method for fabrication of a polymeric, conductive optical transparency
A method for fabrication of an optical transparency, that includes electrospinning of an Indium Tin Oxide sol polymer solution such that nanofibers are formed, heat treating the electrospun...
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7615173 |
Process for preparing bicomponent fibers having latent crimp
The present invention is directed to a process for preparing bicomponent fibers by melt spinning two semi-crystalline polymers differing in crystallization rate.
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7611660 |
Apparatus and method for cooling material during continuous vacuum forming
The present invention relates to an apparatus and method for cooling material during continuous vacuum forming. The apparatus includes one or more cooling regions positioned adjacent one or more...
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7601285 |
Medical device with varying physical properties and method for forming same
A medical device in which a melt processed part has different crystallized properties at different locations. The part is formed of a polymer composition by inclusion a of polymer crystallization...
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7595015 |
Cold-water soluble extruded starch product
Disclosed is a cold-water soluble starch and a process for preparing same. Generally, the process comprises providing a hydroxyalkyl starch and applying a shearing force to the starch in an...
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7585440 |
Methods for the manufacture of mixed polyamide yarns
The invention provides a method of making a polyamide mixed yarn comprising: simultaneously spinning a first group of filaments of a first polyamide and a second group of filaments of a second...
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7585442 |
Process for making cellulose acetate tow
A process for making a cigarette tow comprising: spinning a dope; taking-up the as-spun cellulose acetate filaments; lubricating the filaments; forming a tow from the filaments; crimping the tow...
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7585441 |
Process of making cellulose acetate tow
In the manufacture of a fiber tow, particularly cellulose acetate tow, the tow is plasticized prior to entry into the crimper. The preferred plasticizer is water.
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7582240 |
Rotary process for forming uniform material
A thin, uniform membrane comprising polymeric fibrils or a combination of fibrils and particles, wherein the fibrils have randomly convoluted cross-sections, and a process for making the membrane...
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7582241 |
Filler reinforced thermoplastic compositions and process for manufacture
A thermoplastic polymer composition reinforced with fibers such as cellulose or other fillers, particularly from natural sources, and a process for manufacturing the composition are disclosed. The...
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7578957 |
Process of making staple fibers
Improved staple fibers and processes for producing them are provided. The processes are particularly useful for forming staple fibers from poly(trimethylene terephthalate), especially carpet staple...
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7575707 |
Electrospinning of fine hollow fibers
A method for electrospinning nanofibers having a core-sheath, tubular, or composite structure is disclosed. The process uses a spinneret having first and second capillaries that channel first and...
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7562540 |
Fiberizing device for producing fibers from molten waste
A fiberizing device includes a housing, a receiving seat mounted on the housing, and a drawing device. The receiving seat includes a receiving groove having a discharge port. The receiving groove...
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7563398 |
Melt spinable concentrate pellets having enhanced reversible thermal properties
A process for manufacturing extrudable/melt spinnable concentrate pellets which contain phase change materials (PCMs), whether the PCMs are micro-encapsulated absorbed into carrier polymers, or...
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7563399 |
Biaxially oriented film having a layer consisting of ethylene-vinyl-alcohol copolymer (EVOH)
The invention relates to a method for manufacturing a multilayer biaxially oriented film which comprises at least five layers having the arrangement A/B/C/B/A, the inner layer C being synthesized...
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7544742 |
Antistatic polyamide composition and articles therewith
Disclosed are polyamide potassium ionomer polyol compositions that have antistatic properties. Also disclosed are articles, including laminates and monolayer or multilayer structures comprising...
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7544316 |
Process for making graphite articles
A process for preparing graphite articles is presented. In particular, the process includes employing a particulate fraction comprising at least about 35 weight percent coke, coal or combinations...
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7534380 |
Cellulose acetate tow and method of making same
In the manufacture of a fiber tow, particularly cellulose acetate tow, a stuffer box crimper has a steam injector in communication with the stuffer channel of the crimper. The steam injector...
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7534379 |
Process of making cellulose acetate tow
In the manufacture of a fiber tow, particularly cellulose acetate tow, a stuffer box crimper has a pair of tow edge lubricators adapted to lubricate the lateral edges of the tow immediately prior...
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7531126 |
Powder fabricating apparatus
The present invention relates to a powder fabricating apparatus. It is an object of the present invention to provide the powder fabricating apparatus, which is capable of obtaining metal powder in...
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7527841 |
Method for dissolving PPTA in sulfuric acid using a twin screw extruder
Described is a method for dissolving PPTA or copolymers thereof in sulfuric acid using a twin screw extruder having transporting, mixing, and kneading elements with an entering zone, an...
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7528089 |
High solids materials processing
The present invention includes a microporous or mesoporous composition of matter in which the composition is formed continuously or semi-continuously in a heated reactor zone, including a rotary...
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7521501 |
Thermoplastic vulcanizates and process to prepare them
Highly oil-filled ethylene/alpha-olefin/diene (EAODM) polymers in a free flowing powder or pellet form, processes for preparing these polymers, and the use of these polymers to prepare...
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7521011 |
Semiconductor-sealing-purpose epoxy resin compound producing method
A method of manufacturing an epoxy resin composition for semiconductor encapsulating by use of a kneader provided with a suction hole on the downstream side of a kneading region in a conveying...
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7510751 |
Molding of polypropylene with enhanced reheat characteristics
Bottles, containers and other articles are formed from polypropylene compositions that include a reheating agent, such as antimony, carbon black, graphite, titanium, copper, manganese, iron,...
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7504131 |
Method of making electro-conductive substrates
The electro-conductive substrate of the present invention may comprise filaments extruded from a die orifice and at least one metal powder dispensed from a second orifice of the same die unit by...
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7494947 |
Polypropylene-based heat-weldable thermoplastic fibers, a method of fabricating such fibers, and a non-woven fabric obtained by heat-bonding such fibers
The polypropylene-based thermoplastic fibers are uniform in cross-section, not having any degraded surface skin, and they are heat-weldable at a pressure at a temperature which is lower than the...
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7491356 |
Extrusion method forming an enhanced property metal polymer composite
The invention relates to an extrusion method and to an extrudable metal polymer composite having increased density, improved viscoelastic properties, malleability and ductility and thermoplastic...
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7485250 |
Medical device including improved expandable balloon
A medical device ( 10 ) includes a catheter shaft ( 11 ) including inner and outer catheter shafts ( 12 and 14 ), and an expandable balloon ( 18 ) carried by the catheter shaft ( 11 ). The...
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7479243 |
Microporous polyolefin membrane, and method of producing the same
The present invention provides a microporous polyolefin membrane of high permeability and novel structure, and also provides a method of producing the same, wherein its average pore size is...
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7476350 |
Method for manufacturing thermoplastic nonwoven webs and laminates
Methods for making a nonwoven web on a collector traveling in a machine direction parallel to a length of the nonwoven web. The methods generally include forming a curtain of polymer filaments,...
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7470389 |
Method for forming spread nonwoven webs
A new fiber-forming method, and related apparatus, and webs prepared by the new method and apparatus are taught. In the new method a) a stream of filaments is extruded from a die of known width and...
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7468152 |
Process for forming bioabsorbable implants
A process for forming a rod of bioabsorbable polymeric material includes extruding the material at a temperature above its melting point at a controlled rate of between 0.4 to 20 feet per minute to...
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7465418 |
Method and device for producing a composite yarn
A process for manufacturing a composite yarn including continuous glass filaments intermingled with continuous organic thermoplastic filaments and an apparatus for implements the process. The...
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7455674 |
High strength bioresorbables containing poly-glycolic acid
Polymer compositions comprising poly-glycolic acid (PGA) or a functional derivative thereof with a tensile strength of at least 1200 MPa are disclosed. Processes suitable for manufacturing said...
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7445737 |
Cellulose acetate tow and method of making same
In the manufacture of a fiber tow, particularly cellulose acetate tow, a stuffer box crimper has one roller adapted to induce crimp into the tow. This roller induces crimp by preferentially...
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7445741 |
Method for producing a touch-and-close fastener element
The invention relates to a method for producing a touch-and-close fastener element comprising a multitude of hook means, which are provided with a support as one piece and in the shape of stems...
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7446138 |
Wood particle filled polyvinyl chloride composites and their foams
Extruded composite compositions of PVC and wood particles containing chitosan or chitin as a coupling agent are described. The composite compositions have improved physical and mechanical properties.
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7442333 |
Method for the production of polyamide nanocomposites, corresponding packaging materials and moulded bodies
The invention relates to a method for the production of polyamide nanocomposites made from base polymers comprising aromatic components and organically-modified phyllosilicates in a double-screw...
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7438840 |
Method for introducing an additive into a flowing medium stream
The method for introducing an additive into a flowing stream of media pulses discrete quantities of the additive into the stream at a pressure higher than the pressure of the stream and at set time...
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7435370 |
Process of making a fiber
A fiber and a process for obtaining same from a high-modulus polyethylene, extrudable in state-of-the-art equipment and in the absence of previous solubilization in any kind of organic solvent is...
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7431869 |
Methods of forming ultra-fine fibers and non-woven webs
A nonwoven web product including ultra-fine fibers is formed utilizing a spunbond apparatus that forms multicomponent fibers by delivering first and second polymer components in a molten state from...
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7425289 |
Process of making cellulose acetate tow
In the manufacture of a fiber tow, particularly cellulose acetate tow, a stuffer box crimper has a pair of nip rollers, at least one, made of a solid ceramic material.
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7422712 |
Technique for incorporating a liquid additive into a nonwoven web
A technique for incorporating a liquid additive into a nonwoven web is disclosed. Specifically, the liquid additive is loaded into filler particles to form a “dry liquid concentrate”, i.e.,...
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7413701 |
Clutch linings comprising fiber-reinforced ceramic materials
Clutch linings comprising fiber-reinforced ceramic materials which contain short carbon fibers and whose matrix has a mass fraction of at least 40% of silicon carbide, process for producing them...
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