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Document Title |
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7435372 |
Liquid bath annealing of polymers for orthopaedic implants
A method is provided for annealing a polymer for an orthopaedic implant by immersing the polymer in a liquid bath.
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7419772 |
Mesoporous materials and methods
Mesoporous articles and methods for making mesoporous articles are disclosed.
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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...
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7264869 |
Thermally conductive molded article and method of making the same
A thermally conductive molded article is produced by molding a conductive composition into a predetermined shape. The composition includes a polymer matrix and carbon powders. The carbon powders...
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7258896 |
Preparing composites by using resins
A method for making a part, the method comprising: (a) providing an uncured upper layer on a part, a substrate, a workpiece, a support platform, or a base layer, wherein the uncured upper layer...
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7179396 |
Positive tone bi-layer imprint lithography method
The present invention provides a method to pattern a substrate which features creating a multi-layered structure by forming, on the substrate, a patterned layer having protrusions and recessions....
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6913859 |
Mask for differential curing and process for making same
A process for making the mask can comprise providing a thin transparent material of substantially uniform thickness, forming a pattern of opaque regions on the material according to a first...
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6833174 |
Molded sheet, its use, and process for its production
A molded sheet has a core which is composed of a number of core layers and, located on both sides of the core, substrate layers, decorative layers, and clear layers. Flame retardants have been...
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6827896 |
Vibration assisted processing of viscous thermoplastics
Cure and consolidation of a viscous thermoplastic resin, especially one that softens and melts at a high temperature, is improved by assisting autoclave pressurized momentum transport for...
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6761842 |
Heat conductive mold and manufacturing method thereof
A method of manufacturing a heat conductive molded part having determined heat conductivity properties is provided. The method includes providing a polymer composition containing boron nitride...
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6689300 |
Method of integrally forming shoe with multiple material
A method of integrally forming shoe with multiple material employs a set of molds which include a lower mold, a middle mold and an upper mold. The lower and middle mold have respectively a lower...
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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...
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6558607 |
Crystallization of constrained polymers
The invention provides micro- and nano-porous materials made from crosslinked polymers crystallized from supercritical fluids. The resulting products show an open cell porous network, and can be...
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6479007 |
Apparatus and method for controlling pore size in polymeric membranes and thin films
An apparatus and method for controlling the pore structure of thin polymeric sheets, such as porous membranes and thin films, during solvent casting or interfacial polymerization. The invention may...
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6458310 |
Process of making a polymeric material having a microporous matrix
A polymeric material including a microporous matrix disposed in a multi-block polymer having a backbone of the general formula: [(A) n −(B) m −(X) l ] p wherein: A is a first copolymerized...
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6451386 |
Modified polymer having improved properties and process for manufacturing same
A process using acrylate monomers and ultraviolet light permits modification of porous polymeric materials without the use of a free radical initiator is described as is the material so modified....
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6319404 |
Process for the preparation of porous material and porous material
A porous material is disclosed, made of a semi IPN type polymer alloy of a crosslinked polymer (A) obtained by the crosslinking polymerization of a crosslinking-polymerizable vinyl monomer and/or...
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6287362 |
Production of metal lumps and apparatus therefor
Metal lumps or pebbles are produced by introducing a molten metal stream into a stream of water in a direction which is substantially the same as the direction of the water stream and at a velocity...
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6207098 |
Method for producing porous inorganic materials
The present invention relates to a process for producing inorganic porous materials, mainly composed of glass or glass-ceramic components. The glass or glass-ceramic components can have...
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6187248 |
Nanoporous polymer films for extreme low and interlayer dielectrics
A process for producing a nanoporous polymer film of no greater than 10 micron thickness having low dielectric constant value, including the steps of: (a) providing a polymer in a solution with at...
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5911940 |
Dual cure process of producing crosslinked polyolefinic foams with enhanced physical properties
Foamed articles having enhanced tensile, elastic recovery, and creep and fatigue resistance properties are prepared using a dual cure system. This system comprises a heat or radiation-activated...
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5874042 |
Foam plastic and method of manufacturing the same
The present invention aims to improve soundproof and heat insulating properties of a foamed plastic by reducing internal cells pressure inside foamed resins. A base polymer such as a...
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5846421 |
Cartridge membrane filter for micro-filtration
The microfiltration membrane cartridge filter is formed by pleating a porous membrane sheet having a mean pore size of 0.05 to 10 μm, rounding the sheet in the form of a cylinder, liquid-tightly...
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5840240 |
Method of making a silicone composite vascular graft
A silicone/DACRON polyester composite vascular graft especially well suited as an arteriovenous (A-V) graft fistula for dialysis application. The graft has the ability to seal around needle...
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5562877 |
Method of manufacturing a foamed plastic and subsequently polymerizing the foaming agent
A foamed plastic manufactured by foaming a mixture of a resin and a volatile polymerizable foaming agent, wherein the pressure in the foams of the foamed plastic is less than atmospheric pressure,...
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5350544 |
Method of preparing a cross-linked, polyethylene foam product by surface expansion of a foam
A method for the preparation of a cross-linked, rigid, polyethylene, foam sheet product, which method comprises heating at least one surface of a cross-linked, polyethylene, foam sheet material, to...
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5338765 |
Method of and apparatus for continuously foaming a polyimide powder
A method of and apparatus for continuously foaming a polyimide prepolymer powder which is not susceptible to heating by microwave energy utilize a preheated conveyor belt to heat the powder in...
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5238613 |
Microporous materials
A new type of polymeric microporous membrane has been synthesized which is distinguished by a highly-branched porespace morphology that is continuous and triply-periodic, and thus very precisely...
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5158721 |
Porous membrane formed from interpenetrating polymer network having hydrophilic surface
A porous membrane is formed from an interpenetrating polymer network of a hydrophobic polymer and a polymerized and crosslinked hydrophilic monomeric composition. A solution of the polymer and...
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4976897 |
Composite porous membranes and methods of making the same
A composite membrane is disclosed having a microporous support which is coated with a UV curable polymer composition having a sufficiently high viscosity to prevent pore filling upon coating and...
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4969998 |
Composite semipermeable membrane
A composite semipermeable membrane is provided comprised of: (a) a flexible film of microporous hydrophobic material having a polar molecule vapor transmission rate in excess of 10,000 gms/m 2 ...
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4863647 |
Process for preparation of electrophoresis gel material
Describes a process for controlling the polymerization and cross-linked density of electrophoretic gel products useful for separation of bioorganic molecules, which process utilizes...
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4517142 |
Method for producing permeable polymeric membranes
The invention provides a method for producing permeable polymeric membranes comprising decomposing, in a polymeric matrix, molecular moieties, bound to the polymer or contained in compounds...
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4514345 |
Method of making a foraminous member
A process for making relatively thick foraminous members the foramina of which form a preselected pattern. The backing film such as a thermoplastic film is placed in contact with a rotating drum. A...
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3876446 |
Manufacture of poromeric materials
Poromeric web materials are continuously manufactured by applying to a thin layer of ice crystals a textile fibrous structure and an aqueous solution or dispersion of A. polyethylenically...
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3330784 |
Optical effect in acrylate polymers by an internal foamed structure
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