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Searching: chemistry





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Patent # Description
US-6,417,199 3-benzyl-benzothiophenes
This invention relates to the fields of pharmaceutical and organic chemistry and provides novel 3-benzyl-benzothiophenes which are a-substituted with ether,...
US-6,417,171 Preparation of polymers by interfacial derivatization
This invention utilizes methods of emulsion chemistry to derivative polymers, as distinguished from the synthetic methods of the prior art, whereby such polymers...
US-6,417,154 Sorbent material
A sorbent material is provided comprising a porous substrate, such as a nonwoven web, having a wetting chemistry distributed substantially throughout the...
US-6,417,112 Post etch cleaning composition and process for dual damascene system
A new cleaning chemistry based on a choline compound, such as choline hydroxide, is provided in order to address the problem of dual damascene fabrication. An...
US-6,417,090 Damascene arrangement for metal interconnection using low k dielectric constant materials for etch stop layer
A method of forming a damascene structure in a semiconductor device arrangement uses a low k dielectric material in an etch stop layer that overlays a metal...
US-6,417,010 Methods and apparatus for synthesizing labeled combinatorial chemistry libraries
The present invention provides labeled synthetic libraries of random oligomers and methods and apparatus for generating labeled synthetic oligomer libraries....
US-6,416,861 Organosilicon compounds and uses thereof
A compound of the formula: ##STR1## and a resin-bound compound of the formula: ##STR2## and their use in combinatorial chemistry and in the synthesis of...
US-6,416,714 Remotely programmable matrices with memories
Combinations, called matrices with memories, of matrix materials with remotely addressable or remotely programmable recording devices that contain at least one...
US-6,416,682 Method of producing minerals under near-critical, critical and supercritical conditions
The present invention relates to methods of producing synthetic crystals (typically minerals) or comparable inorganic compounds by reactions of metal salts and...
US-6,415,198 Plasma etching of silicon using a chlorine chemistry augmented with sulfur dioxide
A method of etching silicon using a chlorine and sulfur dioxide gas chemistry. An embodiment of the method is accomplished using a 20 to 300 sccm of chlorine and...
US-6,413,903 High surface area sol-gel route prepared oxidation catalysts
This invention relates to catalysts useful in the vapor phase oxidation of hydrocarbons, such as 1,3-butadiene to furan and maleic anhydride. The catalysts...
US-6,413,724 Solid phase and combinatorial library syntheses of fused 2,4-pyrimidinediones
The invention provides chemistry libraries containing fused 2,4-pyrimidinediones. The invention also provides methods for the construction of fused...
US-6,413,473 Multicomponent test systems useful in analyzing liquid samples, and uses therefor
The invention relates to multicomponent test systems which indicate the concentration of one or more analytes in a liquid sample, as well as the effect of action...
US-6,410,751 Water soluble tri-substituted 1, 2-dioxetane compounds having increased storage stability, synthetic processes...
Stable, enzymatically triggered chemiluminescent 1,2-dioxetanes with improved water solubility and storage stability are provided as well as synthetic processes...
US-6,409,900 Controlled fluid transport in microfabricated polymeric substrates
Microfluidic devices are provided for the performance of chemical and biochemical analyses, syntheses and detection. The devices of the invention combine precise...
US-6,407,181 Low temperature curing powder coating for producing reduced gloss, weatherable coatings
A coating powder, based on glycidyl (meth)acrylate copolymer/carboxylic acid functional polyester chemistry, provides a smooth, weatherable, reduced gloss...
US-6,406,604 Multi-dimensional electrophoresis apparatus
An electrophoresis apparatus is generally disclosed for sequentially analyzing a single sample or multiple samples having one or more analytes in high or low...
US-6,404,164 Method of battery chemistry identification through analysis of voltage behavior
A method of identifying battery chemistry of a battery in an electronic device monitors voltage behavior of the battery in response to a stimulus. The method can...
US-6,403,382 Attachment chemistry for organic molecules to silicon
A simple chemical approach for the covalent assembly of organic molecules on silicon surfaces via robust linkages is provided. This is achieved by the efficient...
US-6,403,282 Heat sensitive printing plate precursors
A lithographic printing plate precursor comprises a grained and anodised aluminium substrate which has been treated with a solution of water-soluble salt of a...
US-6,403,030 Ultraviolet wastewater disinfection system and method
An ultraviolet (UV) disinfection system and method for treating for treating waste-containing fluids including a configuration and design to function effectively...
US-6,401,494 Method for making glasses containing rare earth fluorides by precipitating solution doped compounds
A method that provides a new way to embed rare earth fluorides into silicate (or germania-doped silica) glasses by means of solution chemistry. Embedding rare...
US-6,400,123 Battery fuel gauging using battery chemistry identification
An apparatus and a method adapt fuel gauging to a battery chemistry in an electronic device having a battery. The method comprises determining the battery...
US-6,399,820 Process and reagent useful for the synthesis of sulphanilide which is perhalogenated on the carbon borne by the...
The present invention relates to a process and a reagent useful for the synthesis of sulphanilide which is perhalogenated on the carbon borne by the sulphur atom...
US-6,399,511 Plasma etch process in a single inter-level dielectric etch
A dielectric etch process applicable etching a dielectric layer with an underlying stop layer. It is particularly though not necessarily applicable to forming a...
US-6,395,930 Quenching reagents for solution phase synthesis
A method for enhancing the purity of a desired compound comprising: Step (a) treating a crude reaction product which contains at least one desired compound, unreacted...
US-6,395,643 Gas manifold for uniform gas distribution and photochemistry
The invention provides a system for providing a flow of a short-lived, reactive process gas species into an RTP chamber without creating ionic species. An RTP...
US-6,393,895 Method and apparatus for characterizing materials by using a mechanical resonator
A method and apparatus for measuring properties of a liquid composition includes a mechanical resonator, such as a thickness shear mode resonator or a tuning...
US-6,391,531 Low silver radiographic film and imaging assembly for thoracic imaging
High performance radiographic films exhibit excellent exposure latitude when imaged in radiographic imaging assemblies comprising intensifying screens. These...
US-6,391,262 Test kit for measuring volatile ammonia in biological sample
A test kit for determining the "volatile ammonia content" of biological samples comprising any wet or dry compost, manure, plasma or soil sample. The kit...
US-6,390,977 System and methods for measuring oxygenation parameters
Systems are methods described for calculating, in real-time, various oxygenation parameters including total oxygen transport, mixed venous blood oxygen tension...
US-6,388,253 Integrated critical dimension control for semiconductor device manufacturing
A method and apparatus for reducing lot to lot CD variation in semiconductor wafer processing feeds back information gathered during inspection of a wafer, such...
US-6,387,820 BC13/AR chemistry for metal overetching on a high density plasma etcher
A method of manufacturing a semiconductor device by forming layers of materials on a semiconductor substrate and utilizing a series of etch chemistries to remove...
US-6,387,586 High contrast visually adaptive radiographic film and imaging assembly for thoracic imaging
High performance, very high contrast radiographic films exhibit visually adaptive contrast when imaged in radiographic imaging assemblies comprising intensifying...
US-6,387,287 Process for etching oxide using a hexafluorobutadiene and manifesting a wide process window
An oxide etching process, particularly useful for selectively etching oxide over a feature having a non-oxide composition, such as silicon nitride and especially...
US-6,385,384 Glasses containing rare earth fluorides
A non-porous, transparent glass-ceramic body that is consolidated from a predominately silica-based preform (SiO.sub.2 +GeO.sub.2 85-99.0 wt. %) containing rare...
US-6,384,053 .alpha.-substituted-1-benzyl-napthyls
This invention relates to the fields of pharmaceutical and organic chemistry and provides novel 1-benzyl-naphthyls which are .alpha.-substituted with ether,...
US-6,383,972 Preparation of a catalyst support in activated carbon fibres
A carbon fiber fabric having large specific surface area is made using a rayon precursor, and a catalyst is fixed on the fabric by impregnation or by cationic...
US-6,383,931 Convertible hot edge ring to improve low-K dielectric etch
Two-step process to improve low-K dielectric etch uniformity, apparatus to perform the method, and semiconductor devices formed in accordance with the method. In...
US-6,383,928 Post copper CMP clean
A non-contact post CMP clean-up process. A corrosion inhibitor is used to protect the copper (118) surface to prevent an electrochemical reaction between the...
US-6,383,918 Method for reducing semiconductor contact resistance
A method is provided for reducing contact resistances in semiconductors. In the use of fluorocarbon plasmas during high selectively sub-quarter-micron contact...
US-6,380,711 Battery recharging device and method and an automatic battery detection system and method therefor
A system includes a recharging device to which an electronic hand-held device powered by a battery can be connected. A controller associated with the recharging...
US-6,380,378 Nucleotide compound, nucleotide block oligonucleotide, and method for producing them
Novel nucleotide compounds represented by the formula (I) ##STR1## wherein R.sup.1 represents a protective group or a PEG bearing organic group; R.sup.2,...
US-6,380,353 Method for reducing the C1-C2-aldehyde content formed from compounds with -CH2-CHR-O-or-CH(OH)-groups
Organic compounds containing --CH.sub.2 --CHR--O-- and/or --CH.sub.2 --CH(OH)-- groupings (R=H, C.sub.1 -C.sub.4 -alkyl) produce, under the action of free...
US-6,380,096 In-situ integrated oxide etch process particularly useful for copper dual damascene
An integrated in situ oxide etch process particularly useful for a counterbore dual-damascene structure over copper having in one inter-layer dielectric level a...
US-6,380,095 Silicon trench etch using silicon-containing precursors to reduce or avoid mask erosion
The present invention pertains to an etch chemistry and method useful for the etching of silicon surfaces. The method is particularly useful in the deep trench...
US-6,380,092 Gas phase planarization process for semiconductor wafers
A gas phase planarization process for semiconductor wafers. The present invention comprises a system and method of dry planarization for a semiconductor wafer....
US-6,380,091 Dual damascene arrangement for metal interconnection with oxide dielectric layer and low K dielectric constant...
A method of forming a dual damascene structure in a semiconductor device arrangement forms a first dielectric layer made of an oxide dielectric material over an...
US-6,379,931 Chimeric DNA/RNA ribozymes containing propanediol
DNA-RNA-(Pr).sub.n -RNA-DNA ribozymes of formula III or IV: in which X and Z comprise DNA sequences that base pair with an RNA substrate at positions adjacent to an...
US-6,379,915 Diagnostic compositions and devices utilizing same
A dry chemistry dye indicator composition provides improved shelf life, stable color indication end point and capability for a system at near normal pH. The...
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