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Searching: chemistry





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Patent # Description
US-7,572,872 Biomimetic materials comprising polyhedral oligomeric silsesquioxanes
Nanostructured chemicals such as polyhedral oligomeric silsesquioxanes, polyhedral oligomeric silicates, and polyhedral oligomeric metallasesquioxanes are...
US-7,572,734 Etch depth control for dual damascene fabrication process
The etch depth during trench over via etch of a dual damascene structure in a dielectric film stack is controlled to be the same over the dense area and the open...
US-7,572,426 Selective functionalization of carbon nanotubes
The present invention is directed toward methods of selectively functionalizing carbon nanotubes of a specific type or range of types, based on their electronic...
US-7,569,484 Plasma and electron beam etching device and method
Methods and devices for selective etching in a semiconductor process are shown. Chemical species generated in a reaction chamber provide both a selective etching...
US-7,569,340 Nanoarrays of single virus particles, methods and instrumentation for the fabrication and use thereof
A nanoarray template utilizing coordination chemistry or metal ion binding to control the site-isolation and orientation of virus particles is provided. The...
US-7,563,887 Universal nucleobase analogs
This invention relates to the field of nucleic acid chemistry, more specifically to the field of compositions and processes that can bind to nucleic acids,...
US-7,563,482 Templated monolayer polymerization and replication
A self-replicating monolayer system employing polymerization of monomers or nanoparticle ensembles on a defined template provides a method for synthesis of...
US-7,563,378 Dual injection of two polymeric filtration aids for gypsum removal from phosphoric acid/gypsum slurry
A process to improve the polymeric filtration aid performance used in removal of gypsum from phosphoric acid/gypsum slurry. A synergistic effect has been...
US-7,557,249 Spirobifluorene derivatives, their preparation and uses thereof
The invention concerns Spirobifluorene derivatives having the general formula (II) and the corresponding, radical anions that can be represented via the general...
US-7,553,684 Method of fabricating interferometric devices using lift-off processing techniques
Embodiments of the present disclosure include a method of fabricating interferometric devices using lift-off processing techniques. Use of lift-off processing in...
US-7,550,410 Method and apparatus for combinatorial chemistry
A method and apparatus are provided for performing light-directed reactions in spatially addressable channels within a plurality of channels. One aspect of the...
US-7,547,669 Remover compositions for dual damascene system
A new remover chemistry based on a choline compound, such as choline hydroxide, is provided in order to address problems related to removal of residues, modified...
US-7,547,639 Selective surface exposure, cleans and conditioning of the germanium film in a Ge photodetector
A method of protecting a sensitive layer from harsh chemistries. The method includes forming a first sensitive layer, forming a second layer upon the first...
US-7,545,117 Two stage energy storage device
An electronic device, which captures and accumulates varying levels of electrical energy in suitable short-term storage means until the energy is of such a level...
US-7,545,003 Defect-free source/drain extensions for MOSFETS having germanium based channel regions
A process for forming defect-free source and drain extensions for a MOSFET built on a germanium based channel region deposits a first silicon germanium layer on...
US-7,544,794 Method for sequencing DNA and RNA by synthesis
This invention relates to the field of nucleic acid chemistry, more specifically to the field of compositions and processes that are nucleic acid analogs. More...
US-7,544,277 Electrochemical test sensors
Sensors for the electro-chemical analysis of samples and methods for the manufacturing of sensors allow for more efficient manufacture and use of ...
US-7,541,094 Firepolished quartz parts for use in semiconductor processing
Described are methods and chemistries for preparing firepolished quartz parts for use in semiconductor processing. The quartz parts in need of preparation...
US-7,538,973 Method and apparatus for providing a fluid damping structure with fuel cell for a hard disk drive and vibration...
A shock and vibration resistant hard disk drive has a plurality of fluid damping isolation devices disposed between the drive and a supporting frame. The...
US-7,531,461 Process and system for etching doped silicon using SF.sub.6-based chemistry
A process and system for anisoptropically dry etching through a doped silicon layer is described. The process chemistry comprises SF.sub.6 and a fluorocarbon...
US-7,531,415 Multilayered CMP stop for flat planarization
A three layer film (116/114/112), such as nitride/oxide/nitride for a CMP stop layer (110). A gap filling material (120) is polished, stopping on the first film...
US-7,531,035 Resorbable ceramic compositions
Ceramic precursor compositions and chemically bonded ceramic (CBC) materials, especially Ca-based, and a composite biomaterial suitable for orthopaedic...
US-7,524,564 Polymer blend and compositions and methods for using the same
A polymer blend having at least one polysulfide component and at least one polythioether component is disclosed. The polymer blend offers numerous advantages,...
US-7,517,804 Selective etch chemistries for forming high aspect ratio features and associated structures
An interlevel dielectric layer, such as a silicon oxide layer, is selectively etched using a plasma etch chemistry including a silicon species and a halide...
US-7,517,513 Process for preparing nanostructured cerium oxide materials of controlled surface chemistry of zeta potential
A process to prepare stoichiometric-nanostructured materials comprising generating a plasma, forming an "active volume" through introduction of an oxidizing gas...
US-7,517,493 Cooling water corrosion inhibition method
Methods for inhibiting corrosion in aqueous evaporative systems where soluble silica (SiO.sub.2) is maintained at residuals between 10 Mg/L and saturation, but...
US-7,511,115 Method of preparing biodegradable polyester polymer material in the form of filament and sheet using compressed gas
Embodiments of the present invention may provide a method of preparing biodegradable polyester polymer materials both in a filament type and a sheet type using a...
US-7,510,976 Dielectric plasma etch process with in-situ amorphous carbon mask with improved critical dimension and etch...
A plasma etch process for successively different layers, including an anti-reflection coating (ARC), an amorphous carbon layer (ACL) and a dielectric layer, with...
US-7,510,864 Decision-making spectral bioreactor
This invention fills several voids in bioreactor technology that allows efficient connection of aspects of physical science (optics, electronics, physical...
US-7,507,484 Bond coat compositions and arrangements of same capable of self healing
A thermal barrier coating (TBC) system (450) capable of self-healing has a substrate (420), a metal-based advanced bond coat (435) overlying the substrate and a...
US-7,507,478 Heat stabilized sub-stoichiometric dielectrics
A sub-stoichiometric oxide, nitride or oxynitride layer in an optical stack, alone or in direct contact with one or two stabilizing layers, stabilizes the...
US-7,507,473 Enhanced adhesion of polyethylene terephthalate to paperboard
A unique primer emulsion chemistry yields excellent adhesion of polyethylene terephthalate (PET)resin to clay coated paperboard (with high starch content) at...
US-7,507,321 Efficient gallium thin film electroplating methods and chemistries
The present invention relates to gallium (Ga) electroplating methods and chemistries to deposit uniform, defect free and smooth Ga films with high plating...
US-7,501,505 Activators for oligonucleotide synthesis
A process for the synthesis of oligonucleotides using phosphoramidite chemistry is provided. The process employs as activator a ...
US-7,501,339 Methods for making dual-damascene dielectric structures
A dielectric structure and method for making a dielectric structure for dual-damascene applications over a substrate are provided. The method includes forming a...
US-7,498,295 Alkaline chemistry for post-CMP cleaning comprising tetra alkyl ammonium hydroxide
This disclosure discusses cleaning of semiconductor wafers after the Chemical-Mechanical Planarization (CMP) of the wafer during the manufacturing of...
US-7,494,639 Purification of carbon nanotubes based on the chemistry of fenton's reagent
The present invention is directed to methods of purifying carbon nanotubes (CNTs). In general, such methods comprise the following steps: (a) preparing an...
US-7,494,580 System and method for producing copper powder by electrowinning using the ferrous/ferric anode reaction
The present invention relates, generally, to a method for electrowinning copper powder, and more particularly to a method for electrowinning copper powder from a...
US-7,493,293 System and method for extracting entities of interest from text using n-gram models
A document (or multiple documents) is analyzed to identify entities of interest within that document. This is accomplished by constructing n-gram or bi-gram...
US-7,491,549 Apparatus for desorption and ionization of analytes
This invention relates generally to methods and apparatus for desorption and ionization of analytes for the purpose of subsequent scientific analysis by such...
US-7,490,834 Board Game
A game that teaches the structures of atoms on the periodic table, molecules and ions. Teaches the concepts of ions, acids and bases, oxidation and reduction and...
US-7,488,843 Oxidation process for aromatic compound
Methylene substituted aromatic compounds can be oxidized using t-butyl hydroperoxide and microwave radiation. In particular, xylenes give primarily phthalic...
US-7,482,425 Compositions for lipid matrix-assisted chemical ligation
The present invention relates to methods and compositions for lipid matrix-assisted chemical ligation and synthesis of membrane polypeptides that are...
US-7,479,687 Deep via seed repair using electroless plating chemistry
Methods of forming a continuous seed layer in a high aspect via and its associated structures are described. Those methods comprise forming a recess in a...
US-7,479,474 Reducing oxide loss when using fluoride chemistries to remove post-etch residues in semiconductor processing
A novel cleaning composition used for post-etch resist residue removal is disclosed. In contrast to the conventional cleaning solutions based on fluoride...
US-7,479,472 DNA-templated combinatorial library chemistry
The present invention describes templated combinatorial chemical libraries comprised of a plurality of bifunctional molecules having both a chemical compound and...
US-7,479,223 Porous adsorptive or chromatographic media
A porous substrate capable of adsorptive filtration of a fluid having a porous self-supporting substrate and one or more porous, adsorptive coatings comprising...
US-7,479,222 Porous adsorptive or chromatographic media
A porous substrate capable of adsorptive filtration of a fluid having a porous self-supporting substrate and one or more porous, adsorptive polymeric coatings...
US-7,476,621 Halogen-free noble gas assisted H.sub.2 plasma etch process in deposition-etch-deposition gap fill
Plasma etch processes incorporating H.sub.2/Noble gas etch chemistries. In particular, high density plasma chemical vapor etch-enhanced ...
US-7,476,345 Layer by layer self-assembly of large response molecular electro-optic materials by a desilylation strategy
The preparation of robust, thin film materials with large second-order optical nonlinearities through the covalent self-assembly of chromophoric compositions and...
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