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| Number | Title | Issue Date |
| 7803310 | Crosslinked polyethylene article A method of manufacturing an article may include crosslinking a UHMWPE preform, shaping the crosslinked preform, heat-treating the shape in a temperature-controlled oven and low-oxygen environment, and inspecting the heat-treated shape for conformance to article spe... | 09/28/2010 |
| 7790095 | Methods for making oxidation resistant polymeric material The present invention relates to methods for making oxidation resistant medical devices that comprise polymeric materials, for example, ultra-high molecular weight polyethylene (UHMWPE). The invention also provides methods of making antioxidant-doped medical implant... | 09/07/2010 |
| 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 also described. ... | 06/10/2008 |
| 7371806 | Process for the preparation of ethylene copolymers Process for the preparation of ethylene copolymers comprising the copolymerization of ethylene with olefins CH2═CHR, in which R is a hydrocarbyl radical with 1-12 carbon atoms carried out in the presence of a catalyst comprising (i) a solid catalyst com... | 05/13/2008 |
| 7364674 | Corneal implants produced by irradiation of polymer films The corneal implant of the current invention takes the general form of a thin, transparent, flexible, porous, biocompatible film of suitable polymer material. The implant is sufficiently porous, the porosity being imparted by the film being irradiated to produce tra... | 04/29/2008 |
| 7323251 | Decorating sheet, decorated resin molded article and method for production thereof The present invention provides a decorative sheet having a base film made of a thermoplastic polyester resin and a decorative layer on the base film, and provides a decorated resin molding produced by using the decorative sheet. The base film is not broken in both o... | 01/29/2008 |
| 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 viscosity or density of the polymer. For example, an uncross-linked res... | 10/30/2007 |
| 7285234 | Process and device for producing solid bodies by sequential layer buildup Process for layer-wise production of a three dimensional body (generative rapid prototyping), in particular by 3D binder printer, including a multiple succession of the steps of depositing a powder particle layer, activating in defined areas an adhesive present on t... | 10/23/2007 |
| 7282165 | Wear resistant hydrogel for bearing applications A wear resistant hydrogel for use as a prosthetic implant, such as for cartilage, is made by forming a solution of polyvinyl alcohol in a solvent of DMSO/water. The solution is placed in a mold and is gelated by cycling the mold in a freeze-thaw cycle at a temperatu... | 10/16/2007 |
| 7214764 | Free radical quench process for irradiated ultrahigh molecular weight polyethylene The invention provides a process for quenching free radicals present in irradiated ultrahigh molecular weight polyethylene comprising the steps of (a) providing a mass of irradiated ultrahigh molecular weight polyethylene, wherein the mass comprises free radicals, (... | 05/08/2007 |
| 7141193 | Spectroscopic monitoring of resin-application prior to assembly of composite wood veneer product Method for spectroscopically monitoring resin applied to a planar surface of veneer-wood sheets during travel in an assembly line. Spectroscopic instrumentation for monitoring applied resin is calibrated by measurements of predetermined resin applications to referen... | 11/28/2006 |
| 7128867 | Methods for monitoring resin-loading of wood materials and engineered wood products Process for calibration of spectroscopic instrumentation for non-invasive monitoring of resin-loading of furnish-type wood materials, such as particles or fibers for particleboard or medium density fiberboard, respectively. Selection of ranges of wavelengths within ... | 10/31/2006 |
| 7112298 | Method for forming a medical device with polymer coated inner lumen A medical device, such as a catheter shaft, having an inner lumen defined by a layer of polymer coating, and a method for forming such a medical device. In some embodiments, the method generally includes the steps of applying a polymer coating to an elongated mandre... | 09/26/2006 |
| 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 viscosity or density of the polymer. For example, an uncross-linked res... | 05/30/2006 |
| 6982058 | Method for fabricating three dimensional structures A method of manufacturing a three dimensional structure. In one embodiment, such structures comprise porous structures suitable for implantation in a host. Such a structure preferably exhibits geometric properties that tend to promote vascularization in the area of ... | 01/03/2006 |
| 6949216 | Rapid manufacturing of carbon nanotube composite structures A system for fabricating a free form structure of a composite material including carbon nanotubes. The system includes a discharge assembly and a composite formation device operatively linked with the discharge assembly. The discharge assembly dispenses a fusing age... | 09/27/2005 |
| 6946499 | Bioresorbable hydrogel compositions for implantable prostheses Crosslinked compositions formed from water-insoluble copolymers are disclosed. These compositions are copolymers having a bioresorbable region, a hydrophilic region and at least two cross-linkable functional groups per polymer chain. Crosslinking of these polymers c... | 09/20/2005 |
| 6942826 | Spectroscopic monitoring of resin-application prior to assembly of composite wood veneer product Method for spectroscopically monitoring resin applied to a planar surface of veneer-wood sheets during travel in an assembly line. Spectroscopic instrumentation for monitoring applied resin is calibrated by measurements of predetermined resin applications to referen... | 09/13/2005 |
| 6920643 | Vulcanization of dip-molded rubber articles with molten media baths Pore-free rubber articles are prepared by dip-molding in a dipping medium that includes a vulcanizing agent, then by immersing the dip former in a heated liquid bath that is chemically inert. A particularly effective liquid bath is molten inorganic salt. In addition... | 07/26/2005 |
| 6908582 | Method for adjusting the shape of a biodegradable and bioabsorbable implant material A process for producing a biodegradable and bioabsorbable implant material, which comprises forging a billet comprising and biodegradable and bioabsorbable crystalline polymer at a low temperature and then forging the same once more or in a plurality of times at a l... | 06/21/2005 |
| 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 comprising the medical device by employing an interrupting means such as a... | 02/01/2005 |
| 6846447 | Methods for monitoring resin-loading of wood materials and engineered wood products Process for calibration of spectroscopic instrumentation for non-invasive monitoring of resin-loading of furnish-type wood materials, such as particles or fibers for particleboard or medium density fiberboard, respectively. Selection of ranges of wavelengths within ... | 01/25/2005 |
| 6846446 | NIR spectroscopic monitoring of resin-loading during assembly of engineered wood product Calibrating near infra red (NIR) spectroscopic instrumentation for quantitative measurement of resin-loading of prepared wood materials, as moving in an assembly-forming line, for subsequent pressing under heat and pressure for manufacture of engineered-composite wo... | 01/25/2005 |
| 6838156 | Method for linking two plastic work pieces without using foreign matter The invention relates to a method for linking two adjacent plastic work pieces (2, 3). The inventive method is characterized in that the intended contact zone (K) of at least one of the two work pieces (2) with which the latter adjoins to the other wor... | 01/04/2005 |
| 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 comprising the medical device by employing an interrupting means such as a... | 11/16/2004 |
| 6818172 | Oriented, cross-linked UHMWPE molding for orthopaedic applications A process for forming an oriented orthopaedic implant prosthesis bearing, net-shape bearing, or near net-shape bearing includes the step of placing an irradiated UHMWPE preform or puck of a volume sufficient to accommodate the bearing in a compression mold and compr... | 11/16/2004 |
| 6803014 | Method of making elastic articles having improved heat-resistance The present invention relates to a method for making a heat-resistant elastic article and a heat-resistant elastic article. The invention especially relates to a method of making elastic fibers and polymeric elastic fibers wherein the elastic fibers are capable of w... | 10/12/2004 |
| 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 than 4 Mrads, preferably higher than 5 Mrads, and most preferably less t... | 09/21/2004 |
| 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 in accordance with a computer-aided design of the object. The method i... | 08/24/2004 |
| 6775848 | Vulcanization of dip-molded rubber articles with molten media baths Pore-free rubber articles are prepared by dip-molding in a dipping medium that includes a vulcanizing agent, then by immersing the dip former in a heated liquid bath that is chemically inert. A particularly effective liquid bath is molten inorganic salt. In addition... | 08/17/2004 |
| 6664308 | Non-oxidizing polymeric medical implant A medical implant made of polymeric material having an increased oxidation resistance is formed by a method including the steps of placing a resin powder in a sealed container. A substantial portion of the oxygen is removed from the sealed contained by ei... | 12/16/2003 |
| 6627141 | Method for molding a cross-linked preform A method for forming a plastic prosthesis bearing, net-shape bearing or near net-shape bearing is provided. The method includes providing a cross-linked plastic resin preform in a volume sufficient to accommodate the bearing and molding the cross-linked p... | 09/30/2003 |
| 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 deformation when exposed to a humid environment. The shape... | 09/30/2003 |
| 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 radiation a preform comprising 5 to 95% by weight of a flu... | 08/26/2003 |
| 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 4% or more when an electric field gradient of 50 megavolt... | 08/12/2003 |
| 6602438 | Structure for polymeric thermistor and method of making the same A structure for polymeric thermistor device and method of making the same are disclosed. The polymeric thermistor makes use of a polymeric composite filled with conductive filler and show resistance variations at different temperatures. A polymeric substr... | 08/05/2003 |
| 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 synthetic resin containing an unsaturated oligimer, that is ha... | 06/24/2003 |
| 6569375 | Vulcanization of dip-molded rubber articles with molten media baths Pore-free rubber articles are prepared by dip-molding in a dipping medium that includes a vulcanizing agent, then by immersing the dip former in a heated liquid bath that is chemically inert. A particularly effective liquid bath is molten inorganic salt. ... | 05/27/2003 |
| 6533987 | Methods of making 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 deformation when exposed to electromagnetic radiation (EMR... | 03/18/2003 |
| 6503439 | Process for forming shaped articles of ultra high molecular weight polyethylene suitable for use as a prosthetic device or a component thereof Disclosed is a method of producing a shaped article suitable for use as the load bearing component of a prosthetic device formed from ultrahigh molecular weight polyethylene. polyethylene.... | 01/07/2003 |
