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7597829 |
Injection molding method and apparatus
An injection molding method that modifies a surface of thermoplastic resin using a supercritical fluid that contains a solute, and molds the thermoplastic resin, includes the steps of injecting the...
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7531025 |
Method of creating a turbulent flow of fluid between a mold and a substrate
The present invention is directed toward a method of controlling a turbulent flow of a fluid between a substrate and a template, and more specifically, controlling a turbulent flow of a fluid...
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7371340 |
Method for producing silicon oxycarbide fibers
The present invention relates to a method for producing silicon oxycarbide fibers by pyrolysis of preceramic precursors. Said method comprises the following steps: spinning of a composition...
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7316554 |
System to control an atmosphere between a body and a substrate
The present invention is directed towards a system to control an atmosphere about a substrate, the system including, inter alia, a body spaced-apart from a surface of the substrate a distance; a...
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7288220 |
Solution spinning of UHMW Poly (alpha-olefin) with recovery and recycling of volatile spinning solvent
A process for spinning high molecular weight poly (alph-olefin) filament, particularly ultrahigh molecular weight polyethylene filament, from solution in a volatile spinning solvent with recovery...
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7244813 |
Methods of purifying polymeric material
A method is disclosed to purify a polymeric material by filtering a melt comprising poly(arylene ether) and poly(alkenyl aromatic) through a melt filtration system. The method provides a polymeric...
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7179411 |
Gas injection moulding method and apparatus
A gas injection moulding method comprising injecting a melt into a mould and injecting gas into the melt to form a gas cavity in the melt wherein the melt is cooled by use of injection gas cooled...
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7147460 |
Device for shaping plastic objects under inert atmosphere
The invention relates to a device for producing plastic articles by forming them in an inert atmosphere, the device comprising a hopper, a feed screw and means for forming the polymer melt. The...
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7141190 |
Biaxially oriented hollow thermoplastic bodies and improved method for sterilization
A process of molding thermoplastic preforms into bottles and similar containers wherein pressurized liquids, such as water, are used in the stretching and shaping process instead of pneumatic...
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7141189 |
Solution casting process for producing polymer film
Cellulose triacetate film is produced by a solution casting process. Dope, which includes cellulose triacetate and mixed solvent with methyl acetate, is cast on a rotary drum in a form of bead by...
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7112652 |
Solvents useful in the preparation of polymers containing hydrophilic and hydrophobic monomers
This invention relates to solvents which may be used to extract polymers that are made of hydrophilic and hydrophobic monomers.
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7090716 |
Single phase fluid imprint lithography method
The present invention is directed toward a method for reducing pattern distortions in imprinting layers by reducing gas pockets present in a layer of viscous liquid deposited on a substrate. To...
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6998073 |
Pulse extraction of ocular medical devices
A method of extracting residual materials from a polymeric, ophthalmic biomedical device, such as a contact lens, by using a mixture comprised of a primary solvent, such as carbon dioxide, and a...
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6984345 |
Cavity-preventing type reactor and a method for fabricating a preform for a plastic optical fiber using the same
A cavity-preventing type reactor and a method for fabricating a preform for a plastic optical fiber using the same, wherein post-process charging of additional monomer or prepolymer into...
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6893588 |
Nitrogen blow molding to enhance oxygen scavenger shelf-life
A method of manufacturing a container for containing an oxygen sensitive products from a heated plastic by blow molding the plastic with a compressed gas that is inert to the oxygen sensitive...
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6887552 |
Structural headliner assembly
A headliner assembly, for use with a vehicle having a roof, includes a headliner body that is positionable proximate the roof, and a support frame attached to the headliner body. The support frame...
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6881366 |
Process of fabricating a precision microcontact printing stamp
A process of making a microcontact printing stamp useful in the microcontact printing of a microcircuit. In this process an elastomeric microcontact printing stamp is formed by curing a degassed...
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6872334 |
Manufacturing method of compound aspheric lens
A method including: dropping the ultraviolet-curable resin fluid onto the aspheric face of a metallic mold set horizontally, the aspheric face having a desired concave face; bringing a convex lens...
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6866810 |
Treatment of plastics containers
A treatment method for the internal surface of a molded polyethylene plastics material container such as a drum, including the steps of: introducing an ionizable gas, such as argon, into the...
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6852256 |
Process for upgrading plastic material
In a process for upgrading cleaned used plastic material to be reclaimed, all steps are performed in a continuous way so as to extrude continuously the plastic material to provide elongated strands...
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6843941 |
Method for fabricating a ferroelectric polymer film
A film made of a vinylidene-trifluoroethylene or tetrafluoroethylene copolymer is uniaxially drawn to fabricate a uniaxially drawn film. Then, the uniaxially drawn film is thermally treated at a...
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6838038 |
Laser ablation method for patterning a thin film layer
The invention relates to a laser ablation method for patterning thin film layers for thick dielectric electroluminescent displays without substantial ablation of or damage to any other layers....
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6797091 |
Method for embossing expanded graphite sheet material under reduced pressure
An improved method for embossing expanded graphite sheet material including removing at least a portion of the gas from within the material by exposing the material to a pressure less than...
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6765083 |
Solvents useful in the preparation of polymers containing hydrophilic and hydrophobic monomers
This invention relates to solvents which may be used to extract polymers that are made of hydrophilic and hydrophobic monomers.
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6695992 |
Process and apparatus for the production of nanofibers
An apparatus for forming a non-woven mat of nanofibers by using a pressurized gas stream includes paralell, spaced apart, first, second, and third members, each having a supply end and an opposing...
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6676863 |
Rotary tablet press and a method of using and cleaning the press
The rotary tablet press comprises a housing, in which a compression unit ( 14 ) is detachably mounted. The compression unit ( 14 ) comprises a die table ( 15 ) with punches ( 17, 18 ), a feeding...
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6666999 |
Gas assisted moulding
The present invention relates to the fabrication of a moulded detail in a gas assisted moulding process, wherein molten polymer ( 23 ) is injected into the mould cavity ( 21 ) of a moulding tool,...
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6656398 |
Process of making a pattern in a film
A method for forming a pattern in a film carried on a substrate includes depositing a layer of alkyl silane on a surface of a mold having a pattern, bringing the mold in contact with the film on...
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6641759 |
Polymer secondary cell electrode production method
Powder of a polymer active material 1 exhibiting an electro-chemical oxidation-reduction reaction is mixed with powder of a conductivity assisting agent 2 to obtain a mixture. The mixture is...
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6638455 |
Internal cooling with liquid gas
In a method for the internal cooling of a rotating object ( 4 ), liquid gas from at least one inlet channel ( 61 ) in a fixed object ( 5 ) is pressed into a ring-shaped groove ( 62 ) located...
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6610221 |
Treatment of contact lenses with supercritical fluid
A method of treating contact lenses made from polymerizable materials by providing supercritical fluids to the lenses.
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6596369 |
Flat semi-finished product, component made therefrom and process for the production thereof
A flat semi-finished product includes a filled fluoroplastics substrate in the form of a sheet, which is coated at least partially on at least one surface with a soft, thin coating of...
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6558585 |
Techniques for electrode poling of electro-optic polymers to eliminate poling induced optical loss and poling induced damage to electro-optic chromophores
Method for manufacturing an electro-optic polymer waveguide device including the step of electrode poling an electro-optic polymer material of the device in an oxygen-free environment. In a...
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6555039 |
Method for injection blow molding an automotive component
A method and mold ( 10 ) for manufacturing a vehicle component such as a bumper beam ( 52 ) or body panel ( 62 ). The component is manufactured by: 1) injecting molten material into a parison...
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6547997 |
Method for producing solvent-free noncrystalline biologically active substances
Solvent-free noncrystalline bioactive substances are prepared from the corresponding crystalline bioactive substances in an extruder by melting the substances in the extruder under reduced pressure...
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6517752 |
Surface reforming method for plastic molded product
A surface reforming method for a plastic molded product of this invention is characterized by comprising a step (a) for immersing a plastic molded product into supercritical carbon dioxide or...
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6500370 |
Process of making boron-fiber reinforced composite tape
The invention is an apparatus and method for producing a hybrid boron reinforced polymer matrix composition from powder pre-impregnated fiber tow bundles and a linear array of boron fibers. The...
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6454976 |
Pelletizing of broad molecular weight polyethylene
Polyethylene having a broad molecular weight distribution is extruded in pellet form using a pelletizing extruder having one or more zones essentially filled with the polyethylene and two or more...
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6439984 |
Molded non-abrasive substrate carrier for use in polishing operations
Thin, planar substrates are carried on a substrate carrier ( 20 ) through a polishing operation. The substrate carrier ( 20 ) is injection molded or modified-injection molded from a plastic...
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6436322 |
Method for recycling pet flakes
The invention relates to a method for recycling polyethylene terephtalate (PET) flakes, characterized in that the flakes are extruded and granulated under vacuum, after which the granulate is...
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6402865 |
Multilayered polymers and foams with variable sized interlayer gaps
The invention disclosed provides integral multilayered polymers with variable interlayer gaps, and processes for their manufacture. The materials thus produced consist of many layers of a polymeric...
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6365089 |
Method for crosslinking UHMWPE in an orthopaedic implant
A method of manufacturing a bearing for use in an orthopaedic implant, comprises the steps of: providing a radiation source; positioning a bearing material at a distance away from the radiation...
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6361724 |
Process for the production of resin pellet
A process for producing a thermoplastic resin pellet, which comprises melt-kneading a thermoplastic resin to obtain a thermoplastic resin pellet, wherein the thermoplastic resin comprising: (A) at...
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6342171 |
Process of stabilizing a carbonaceous pitch-based foam
A carbon-carbon composite material is made by providing an open-celled carbon foam preform, and densifying the preform with carbonaceous material. The open-celled carbon foam preform may be oxygen...
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6337041 |
Method for making a vulcanized elastomer capable of combining with polyurethane without use of adhesive and method of using the elastomer so made
A method is used to make a vulcanized elastomer capable of combining with Polyurethane to form a product without the use of an adhesive. The method includes the formation of the mixture of an...
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6337039 |
Method for making optical disk by injection molding
A method for molding a thermoplastic resin by filling a molten thermoplastic resin into a mold which comprises carrying out the molding of the resin while reducing the solidification temperature of...
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6322735 |
Method for molding thermoplastic resin
A method for molding a thermoplastic resin by filling a molten thermoplastic resin into a mold which comprises carrying out the molding of the resin while reducing the solidification temperature of...
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6315939 |
Process for producing stretch blow formed plastic containers
Stretch blow molded containers are made from a preform made of a plastic material suitable for stretch blow molding such as, e.g., PET. The preform is heated to a temperature suitable for stretch...
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6309568 |
Process method optical thermoplastic urethane resin lens and the lens
A method of continuously fabricating a lens excellent in various optical characteristics and having no nonuniformity in the characteristics over a total of the lens and a lens fabricated by the...
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6270705 |
Method and system for inerting polymeric film producing machines
This invention is directed to a method and system for using laminar barrier inerting techniques to shroud a selected area in an open space covering the polymeric film outlet and/or raw material...
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