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7608216 |
Methods for preparing articles from processable and dimensionally stable elastomer compositions
Methods for preparing a shaped rubber article, comprising admixing at least one thermoplastic material and at least one elastomer material to provide a processable and dimensionally stable rubber...
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7384430 |
Low crystalline polymeric material for orthopaedic implants and an associated method
A component made from a crosslinked polymeric material, wherein the crosslinked polymeric material has a reduced crystallinity is described. An associated method for fabricating such a component is...
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7378048 |
Method for forming catheter curves
A method and apparatus for forming catheters and catheter curves using ferromagnetic materials exposed to an alternating magnetic field. Heat is generated in the exposed ferromagnetic material. The...
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7318718 |
Stereolithographic apparatus and method for manufacturing three-dimensional object
An optical stereolithographic apparatus performs optical stereolithography by preparing a mask on a light-transmissible member ( 31 ) on the basis of data for one layer with respect to optical...
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7288319 |
Forming a chemically cross-linked particle of a desired shape and diameter
Chemically cross-linked polymeric particles are formed using mechanical rather than chemical processes, facilitating production of small-diameter particles in a manner largely independent of the...
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7241817 |
Process for grafting a fluoropolymer and multilayer structures comprising this grafted polymer
The present invention relates to a process for grafting an unsaturated monomer onto a fluoropolymer, having the steps of:
a) melt blending the fluoropolymer with the unsaturated monomer; b)...
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7141808 |
Device and method for maskless AFM microlithography
The invention relates to a device and a method for maskless microlithography. Several microstructured cantilevers ( 2 ) are arranged in an array ( 26 ) and an actuator is integrated in each of the...
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7053134 |
Forming a chemically cross-linked particle of a desired shape and diameter
Chemically cross-linked polymeric particles are formed using mechanical rather than chemical processes, facilitating production of small-diameter particles in a manner largely independent of the...
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6921499 |
Master carrier for magnetic transfer
To improve the quality of transfer signal by reducing loss of azimuth when the magnetic transfer is performed by bringing a master carrier and a slave medium into close contact with each other and...
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6849224 |
Methods for preparing selectively cross-linked polyethylene orthopedic devices
An improved prosthetic medical device having improved wear resistance and toughness is provided in the present application. A method is provided to selectively cross-link the polymeric matrix...
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6818171 |
Process for preparing selectively cross-linked polyethylene orthopedic devices
An improved prosthetic medical device having improved wear resistance and toughness is provided in the present application. A method is provided to selectively cross-link the polymeric matrix...
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6818038 |
Polymer substrates for radiation-induced graft polymerization and filter stock
A radiation graft treated material in the form of a woven or non-woven fabric material that is composed of polymer monofilament fiber of which only the surface has undergone a radiation-induced...
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6794423 |
Fracture-resistant, cross-linked ultra high molecular weight polyethylene shaped material and articles made therefrom
The present invention relates to a tough, wear resistant Ultra High Molecular Weight Polyethylene (UHMWPE) prepared by the cross linking of a UHMWPE shaped article with irradiation doses higher...
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6780368 |
Layer manufacturing of a multi-material or multi-color 3-D object using electrostatic imaging and lamination
A freeform fabrication method for fabricating a 3-D multi-material or multi-color object from successive layers of a primary body-building powder, at least a modifier material and a binder powder...
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6752954 |
Roller producing method
A manufacturing method is provided for a roller, by which a roller having low eccentricity and high surface smoothness can be obtained without the need to perform cumbersome processes such as...
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6692680 |
Reproduction of micromold inserts
Methods of rapidly prototyping microstructures such as HARMs are disclosed. A high precision process uses polymeric microstructure replication techniques and sacrificial layer etching techniques to...
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6663738 |
Method for preparation of a polyolefin foil and its utilization
A method for the preparation of a polyolefin foil by developing a foil from mass having a content of polyolefin and with subsequent treatment of the foil by an electron beams beam. The polyolefin...
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6659751 |
Apparatus for radiation-induced graft polymerization treatment of fabric webs
A polymer substrate for radiation-induced graft polymerization in the form of a woven or non-woven fabric that comprises a woven or non-woven fabric composed of polymer fiber and a reinforcement...
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6627673 |
Methods of making humidity activated materials having shape-memory
The present invention relates to shape deformable materials, which are capable of (1) being deformed, (2) storing an amount of shape deformation, and (3) recovering at least a portion of the shape...
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6610761 |
Molded rubber irradiated with ionizing radiation and process for producing the same
The present invention provides an ionizing radiation irradiated rubber molded product and a process for preparing the same, the rubber molded product being prepared by irradiating with an ionizing...
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6605246 |
Ferroelectric relaxor polymer method
The invention is embodied in an electrical device which includes at least a layer of a ferroelectric polyvinylidine flouride polymer that has been processed to exhibit an electrostrictive strain of...
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6585926 |
Method of manufacturing a porous balloon
A method of manufacturing a porous elastic membrane that may be used in a balloon assembly of a balloon catheter is described. In the method, an elastic membrane material is expanded beyond an...
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6582648 |
Method for manufacturing moulded bodies from crushed material and a binder hardenable by electron radiation
A particle board, a fiberboard or an oriented strand board ( 25 ) is formed by the process according to the invention from a mixture of a comminuted cellulose material and a binder, especially a...
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6537052 |
Method and apparatus for high speed electron beam rapid prototyping
An electron beam as a curing technique with dynamic beam control technology in order to produce arbitrarily shaped parts. The result of this is equipment which can create prototypes and parts...
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6464926 |
Process of making ultra high molecular weight polyethylene prosthetic devices
The present invention relates to a medical prosthesis for use within the body, which is formed of ultra high molecular weight polyethylene having a polymeric structure with less than about 50%...
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6391217 |
Methods and apparatus for forming submicron patterns on films
A method for forming a patterned film on a substrate, the method including: providing a first flowable medium on the substrate and a second flowable medium on the first flowable medium, the first...
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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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6245280 |
Method and apparatus for forming polycrystalline particles
A method and apparatus for forming polycrystalline particles by gas phase condensation employing arc plasma evaporation. The disclosed method and apparatus may be employed to form polycrystalline...
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6228845 |
Therapeutic intraluminal stents
This invention relates to an intraluminal stent having a lumen-wall contacting surface and a lumen-exposed surface wherein the stent comprises a first polymer composition comprising fibrin and...
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6228314 |
Multiple-pass irradiation of polyolefin films
The invention provides a process and apparatus for crosslinking a polymer film at a level of 500 kV or less. The distance between the emissions window of an irradiation means, e.g. a self-shielded...
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6214279 |
Apparatus and process for freeform fabrication of composite reinforcement preforms
A solid freeform fabrication process and apparatus for making a three-dimensional reinforcement shape. The process comprises the steps of (1) operating a multiple-channel material deposition device...
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6174486 |
Method for heat-setting spandex-containing garments
A method of heat-setting garments by boarding the garment and subjecting it to preselected temperatures that are different for different parts of the garment and an apparatus for carrying out this...
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6107008 |
Ionizing radiation post-curing of objects produced by stereolithography and other methods
An object comprised of a curable material and formed by stereolithography or another three-dimensional prototyping method, in which the object has undergone initial curing, is subjected to...
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5834530 |
Plate-shaped rubber member consisting of a pre-crosslinked rubber mixture
A plate-shaped rubber member consists of at least one rubber mixture. The rubber member has a surface with markings and includes a pre-crosslinked layer directly below the surface at least in the...
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5788939 |
Process for the production of a cellulose moulded body
A process for the production of a cellulose moulded body, particularly cellulose fibers, wherein a cellulose-containing material is introduced into an aqueous solution of a tertiary amine-oxide to...
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5733496 |
Electron beam irradiation of catheters to enhance stiffness
A catheter and method for manufacturing catheters. The method includes the steps of manufacturing a tubular member sized and dimension for use as a catheter and irradiating the tubular member to...
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5725715 |
Squeezable tubular container and process for the production thereof
A squeezable tubular container (a) which is formed from a composition containing a polyethylene having a density of 0.900 to 0.975 g/cm 3 and an ethylene/α-olefin copolymer having a density...
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5641437 |
Marking of mold inserts to produce marked contact lenses
A method for producing visible marks in molded contact lenses, particularly soft hydrogel contact lenses, by placing a recessed mark configuration in a metal insert. The metal insert is...
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5560886 |
Process for producing a modified polypropylene and a molded product
A process for producing a modified polypropylene having a very high melt tension and superior stiffness and moldability, and a molded product obtained by using the modified polypropylene are...
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5552104 |
High melt strength, ethylene polymer, process for making it, and use thereof
A normally solid, high molecular weight, gel-free, irradiated ethylene polymer is characterized by high melt strength due to strain hardening elongational viscosity, which is believed to be caused...
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5538674 |
Method for reproducing holograms, kinoforms, diffractive optical elements and microstructures
A method of molding a plastic element having a microstructure embedded therein includes the steps of providing a master having a microstructure therein; casting a liquid surface coating over said...
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5474819 |
Bonded article
A hollow, heat-recoverable article 1, for enclosing objects such as electronic components etc. has a thermoplastic lining on its interior surface and includes a fusion bonded portion 2 in which...
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5443703 |
Method and apparatus for simultaneous electrical discharge treatment of and adhesive application to a polymer component
An apparatus for simultaneous electrical discharge treatment and adhesive application to a polymer component. The apparatus includes a jig having an electrically conductive region and a dispenser...
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5386006 |
Shape sintered articles derived from boro-containing polysilazanes
The present invention relates to preceramic polymers incorporating boron and their application in the sintering of SiC ceramics. The present invention is also directed to a process for preparing a...
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5364258 |
Apparatus for making structural reinforcement preforms including energetic basting of reinforcement members
A rigid three-dimensional preform is made by moving a plurality of webs of fibrous reinforcement material superposed and coplanar to a cutter, the webs being coated with an electromagnetic...
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5358211 |
Tooling and method of making
Tooling for use in forming articles and a method for making same wherein the tooling includes a mold. The mold has a mold surface having an interior and an exterior. A plurality of metallic strands...
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5298201 |
Method for improving dyeability of fiber and associated fabric utilizing radiation
Fiber, which can be either woven or knitted into the form of fabric, is annealed by ultra-short bursts of radiation that melt the outer crystalline skin of the fiber and is then quenched by the...
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5290548 |
Surface modified ocular implants, surgical instruments, devices, prostheses, contact lenses and the like
A method for modifying the plastic surface of an article adapted for contacting living tissue by the gamma or electron beam irradiation induced chemical graft coating thereon of: (1) a neutral...
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5260005 |
Process for forming container of acrylonitrile polymers by biaxial-orientation blow-molding preform
A process for forming a container of acrylonitrile polymers by biaxial-orientation blow-molding a preform. A preform of thermoplastic resin, mainly acrylonitrile polymers, is irradiated with an...
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5256351 |
Process for making biaxially stretched, heat shrinkable VLDPE films
A method of manufacturing heat-shrinkable, puncture resistant, biaxially stretched thermoplastic films from very low density polyethylene (VLDPE). The film may be entirely VLDPE or it may be...
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