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Searching: chemistry





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Patent # Description
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...
US-7,476,329 Methods for contacting conducting layers overlying magnetoelectronic elements of MRAM devices
A method for contacting an electrically conductive layer overlying a magnetoelectronics element includes forming a memory element layer overlying a dielectric...
US-7,473,673 Hydrophilic structured bar compositions comprising individually coated flat platy particles, each having...
The invention relates to both compositions comprising flat platy particles wherein the particles individually have deposition system (i.e., cationic polymers and...
US-7,473,339 Slim cell platform plumbing
Embodiments of the invention generally provide a fluid delivery system for an electrochemical plating platform. The fluid delivery system is configured to supply...
US-7,470,840 Liquid-liquid interfacial nanoparticle assemblies
Self-assembly of nanoparticles at the interface between two fluids, and methods to control such self-assembly process, e.g., the surface density of particles...
US-7,470,822 C10 dialdehyde, synthetic method thereof, and synthetic method of beta-carotene using the same
The novel intermediate compound which can be efficiently utilized in the synthesis of carotenoid compounds based on the sulfone chemistry, the preparation method...
US-7,468,401 Bonding of powder coating compositions
A method of producing a coating composition containing flake-like, color effect pigment particles and polymeric binder. The pigment composition has an initial...
US-7,468,281 Hollow fiber membrane sample preparation devices
Simultaneous sample purification, enrichment and analysis of pharmaceuticals, illicit drugs, pollutants, biotechnological products, synthetic organic reaction...
US-7,468,280 High throughput preparation of lubricating oil compositions for combinatorial libraries
A high throughput preparation of a plurality of different lubricating oil compositions for combinatorial libraries and subsequent high throughput screening for...
US-7,467,601 Method and system for aquaculture production
A system and method provide an intensive aquaculture system for producing caviar or other goods. The system has a photosynthetic subsystem to consume waste from...
US-7,465,689 Method for producing a palladium-containing hydrogenation catalyst
The invention relates to physical chemistry and can be used for adjusting the rate of autocatalytic hydrogenation reactions.The method for producing a...
US-7,465,673 Method and apparatus for bilayer photoresist dry development
A method for etching an organic anti-reflective coating (ARC) layer on a substrate in a plasma processing system comprising: introducing a process gas comprising...
US-7,462,819 Statistical methods applied to surface chemistry in minerals flotation
The present invention provides a method of analysis which couples principle component analysis (PCA) with ToF-SIMS for obtaining surface chemical information...
US-7,462,564 Processing system and method for treating a substrate
A processing system and method for chemical oxide removal (COR), wherein the processing system comprises a first treatment chamber and a second treatment...
US-7,462,451 Compositions for modifying nucleic acids
The present invention relates to compositions and methods for the preparation of modified nucleic acids. In particular, the present invention provides novel...
US-7,462,267 Reference electrode
A reference electrode consisting of a metal in contact in contact with an electrolyte containing an anion or cation whose concentration in part determines the...
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