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108978results about How to "Improve mechanical properties" patented technology

Plasma protein matrices and methods for their preparation

InactiveUS7009039B2Rapid cell growthRapid vascularizationBiocidePeptide/protein ingredientsBiological propertyFreeze-drying
A freeze dried biocompatible matrix comprising plasma proteins, useful as implants for tissue engineering as well as in biotechnology, and methods of producing the matrix are provided. Mechanical and physical parameters can be controlled by use of auxiliary components or additives which may be removed after the matrix is formed in order to improve the biological properties of the matrix. The matrices according to the present invention may be used clinically per se, or as a cell-bearing implant.
Owner:PROCHON BIOTECH

Oriented polymer implantable device and process for making same

InactiveUS20100191292A1Reduce cross sectionHigh strengthSuture equipmentsLigamentsFastenerBone screws
A device is formed by a discontinuous process into a bone screw, plate, or fastener, wherein the device has a degree of polymer alignment and strength, and upon reheating above glass transition temperature of the polymer, the device remains dimensionally stable, as it maintains its dimensions, strength, and degree of polymer orientation. In practice of the present invention, the polymer slug is pressed into the die cavity by the actuation of ram press, causing the slug to conform to the die cavity.
Owner:KENSEY NASH CORP

Fabrication of biocompatible polymeric composites

Composite materials formed from biocompatible polymer fibers and biodegradable polymers are disclosed. The heat treatment conditions for the reinforcing fibers are described so that the mechanical properties of the fibers can be retained during composite consolidation process. The processing conditions and set-ups to consolidations are constrained to the temperatures lower than fiber heat treatment temperatures. The reinforcing fibers are restrained under tension so that the minimum relaxation occurs during consolidation process.
Owner:ETHICON INC

Process for producing nano graphene reinforced composite particles for lithium battery electrodes

A process for producing solid nanocomposite particles for lithium metal or lithium ion battery electrode applications is provided. In one preferred embodiment, the process comprises: (A) Preparing an electrode active material in a form of fine particles, rods, wires, fibers, or tubes with a dimension smaller than 1 μm; (B) Preparing separated or isolated nano graphene platelets with a thickness less than 50 nm; (C) Dispersing the nano graphene platelets and the electrode active material in a precursor fluid medium to form a suspension wherein the fluid medium contains a precursor matrix material dispersed or dissolved therein; and (D) Converting the suspension to the solid nanocomposite particles, wherein the precursor matrix material is converted into a protective matrix material reinforced by the nano graphene platelets and the electrode active material is substantially dispersed in the protective matrix material. For a lithium ion battery anode application, the matrix material is preferably amorphous carbon, polymeric carbon, or meso-phase carbon. Such solid nanocomposite particles provide a high anode capacity and good cycling stability. For a cathode application, the resulting lithium metal or lithium ion battery exhibits an exceptionally high cycle life.
Owner:SAMSUNG ELECTRONICS CO LTD

Thermally conductive polymer based printed circuit board

A printed circuit board has a liquid crystalline polymer layer that is bonded to an electrically conductive layer that includes traces that electrically connect components mounted on the printed circuit board. The liquid crystalline polymer material is thermally conductive and dielectric. When the components produce heat, the liquid crystalline polymer layer absorbs and dissipates the heat produced by the electrical components mounted on the printed circuit board. The thermal equilibrium of the printed circuit board is lower than the maximum operating temperature of the components.
Owner:HEDIN LOGAN BROOK +1

Polymer-Free Carbon Nanotube Assemblies (Fibers, Ropes, Ribbons, Films)

Process, apparatus, compositions and application modes are provided that relate to nanofiber spinning without the use of superacids in the spinning solution. The methods employ either acids or bases for a flocculation solution. The advances disclosed therein enable the use of nanofibers, including carbon nanotubes, for a variety of applications including, but not limited to, electromechanical actuators, supercapacitors, electronic textiles, and in devices for electrical energy harvesting.
Owner:BOARD OF RGT THE UNIV OF TEXAS SYST

Controlled release preparation

The invention discloses a controlled release preparation with improved performance. The controlled release preparation comprises a core containing medicament and a controlled release film covering the outside of the core and being almost insoluble in water as well as stomach and intestines digestive juice. The controlled release film comprises particulate matters of a water soluble medicinal additive, the water-soluble medicinal additive is covered by a polymer film which can be soluble in the stomach and/or intestines digestive juice but almost insoluble in water, the polymer and the medicinal additive can not produce chemical reaction or can produce chemical reaction but do not produce water-insoluble non-gaseous products and the pharmaceutically unacceptable products, and the amount of the polymer is no more 700% of that of the medicinal additive. The invention also discloses a preparation method of the controlled release preparation. The controlled release preparation has the advantages of improved medicament release reproducibility, reduced medicament release lag time, accelerated medicament release and improved bioavailability, can realize located controlled release, delayed controlled release and interval type or pulse type controlled release of the medicament in the gastrointestinal tract, and the like.
Owner:钟术光

Electric machine

Electric rotary current machine that includes a casing and a stator fitted within the casing. The stator has at least one stator winding. At least two mechanically separate rotors are rotatably mountable within the casing and have a same axis of rotation. In this way, each rotor has electromagnetic interaction with the stator when the stator is electromagnetically active. The rotor speeds are the same or different. A motor control is arranged to control a supply to at least one of said at least one stator winding by superposition of at least two rotary field components, one for each rotor.
Owner:SCHRODL MANFRED

Laminated and ion-exchanged strengthened glass laminates

A method of making a glass sheet (10) comprises laminating a high CTE core glass (11) to a low CTE clad glass (12) at high temperatures and allowing the laminate (10) to cool creating compressive stress in the clad glass (12), and then ion exchanging the laminate (10) to increase the compressive stress in the outer near surface regions of the clad glass (12). The core glass (11) may include ions that exchange with ion in the clad glass (12) to increase the compressive stress in inner surface regions of the clad glass (12) adjacent to the clad glass / core glass interfaces. The glass laminate (10) may be formed and laminated using a fusion forming and laminating process and fusion formable and ion exchangeable glass compositions.
Owner:CORNING INC
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