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4318results about How to "Simple material" patented technology

Carbonitride coated component of semiconductor processing equipment and method of manufacturing thereof

A corrosion resistant component of semiconductor processing equipment such as a plasma chamber includes a carbonitride containing surface and process for manufacture thereof.
Owner:LAM RES CORP

Dendritic Polymers With Enhanced Amplification and Interior Functionality

Dendritic polymers with enhanced amplification and interior functionality are disclosed. These dendritic polymers are made by use of fast, reactive ring-opening chemistry (or other fast reactions) combined with the use of branch cell reagents in a controlled way to rapidly and precisely build dendritic structures, generation by generation, with cleaner chemistry, often single products, lower excesses of reagents, lower levels of dilution, higher capacity method, more easily scaled to commercial dimensions, new ranges of materials, and lower cost. The dendritic compositions prepared have novel internal functionality, greater stability (e.g., thermal stability and less or no reverse Michael's reaction), and reach encapsulation surface densities at lower generations. Unexpectedly, these reactions of polyfunctional branch cell reagents with polyfunctional cores do not create cross-linked materials. Such dendritic polymers are useful as demulsifiers for oil/water emulsions, wet strength agents in the manufacture of paper, proton scavengers, polymers, nanoscale monomers, calibration standards for electron microscopy, making size selective membranes, and agents for modifying viscosity in aqueous formulations such as paint. When these dendritic polymers have a carried material associated with their surface and/or interior, then these dendritic polymers have additional properties for carrying materials due to the unique characteristics of the dendritic polymer, such as for drug delivery, transfection, and diagnostics.
Owner:DENDRITIC NANO TECH INC

Debulking catheters and methods

InactiveUS20050177068A1Enhance removalImprove material and shapeVaccination/ovulation diagnosticsExcision instrumentsDistal portionDebulking tumor
A debulking catheter comprising a tissue debulking assembly for removing a contiguous strand of material from a body lumen. Catheters of the present invention generally include a catheter body having proximal and distal portions and a tissue debulking assembly disposed at least partially within the distal portion. The tissue debulking assembly is radially movable to expose at least a portion of the assembly through a window on the catheter body. The catheter is advanced transluminally through the body lumen to contact material in the body lumen and remove a plane of contiguous material that has a length that is typically longer than a length of the window on the catheter. The contiguous material may be directed into a collection chamber. Thereafter, the material may be removed from the collection chamber and preserved or tested.
Owner:TYCO HEALTHCARE GRP LP

Polymer-wrapped single wall carbon nanotubes

The present invention relates to new compositions of matter and articles of manufacture comprising SWNTs as nanometer scale conducting rods dispersed in an electrically-insulating matrix. These compositions of matter have novel and useful electrical, mechanical, and chemical properties including applications in antennas, electromagnetic and electro-optic devices, and high-toughness materials. Other compositions of matter and articles of manufacture are disclosed, including polymer-coated and polymer wrapped single-wall nanotubes (SWNTs), small ropes of polymer-coated and polymer-wrapped SWNTs and materials comprising same. This composition provides one embodiment of the SWNT conducting-rod composite mentioned above, and also enables creation of high-concentration suspensions of SWNTs and compatibilization of SWNTs with polymeric matrices in composite materials. This solubilization and compatibilization, in turn, enables chemical manipulation of SWNT and production of composite fibers, films, and solids comprising SWNTs.
Owner:RICE UNIV

Apparatus and methods for entropy-encoding or entropy-decoding using an initialization of context variables

ActiveUS20050012648A1Improved entropy encoding designImprove compression efficiencyCode conversionTelevision systemsContext variableContext based
An entropy encoding / decoding scheme uses an arithmetic encoder / decoder together with a context modeler for performing a context-based adaptive binary arithmetic coding, which is especially suited for video compression applications. The context modeler includes an initializer for initializing the context modeler by determining and providing initialization probability information to the arithmetic encoder, the initialization probability information to be used by the arithmetic encoder for processing a start symbol of a symbol sequence. The initializer is operative to determine the initialization probability information based on an estimation of the symbol statistics relating to the start symbol such that an initialization probability distribution is different from an equi-probable distribution for all symbols of the symbol set. By means of the initialization, the context-based adaptive binary arithmetic coding / decoding scheme is optimally adjusted before processing a start symbol of the symbol sequence so that no bit rate compression losses because of a delayed context-based adaptation are introduced.
Owner:GE VIDEO COMPRESSION LLC

Elastomeric interconnection device and methods for making same

An elastomeric device for interconnecting two or more electrical components, comprising, an elastomeric matrix having one or more outer surfaces; one or more electrically conductive pathways through the matrix; and one or more electrically conductive contact pads, wherein at least a portion of one or more of the pads is flush with or extends outward from one or more of the outer surfaces of the matrix, and wherein at least a portion of the pad is in at least intimate contact with one or more of the pathways; and methods for making same.
Owner:PARICON TECH

Wound dressing material containing silk fibroin and sericin as main component and method for preparing same

There is provided a novel wound dressing material which has biocompatibility and infection controllability as essential properties required for such a material, especially excellent flexibility and water absorption properties, thereby accelerating smooth regeneration of a skin defect without stripping off the regenerating skin while removing the material from the skin. A healing agent is added to the wound dressing material which comprises an amorphous film of a crystallinity below 10% and contains fibroin and sericin as a main component.
Owner:NAT INST OF AGROBIOLOGICAL SCI +1
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