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Searching: chemistry





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Patent # Description
US-6,602,719 Method and device for detecting analytes in fluids
A disposable, dry chemistry analytical system is disclosed which is broadly useful for the detection of a variety of analytes present in biological fluids such...
US-6,602,714 Viscosity and mass sensor for the high-throughput synthesis, screening and characterization of combinatorial...
Workstation, apparatuses and methods for the high-throughput synthesis, screening and/or characterization of combinatorial libraries. The invention relates to an...
US-6,602,434 Process for etching oxide using hexafluorobutadiene or related fluorocarbons 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-6,602,363 Aluminum alloy with intergranular corrosion resistance and methods of making and use
A corrosion resistant aluminum alloy has controlled amounts of iron, manganese, chromium, and titanium along with levels of copper, silicon, nickel, and no more...
US-6,601,570 Self contained air flow and ionization method, apparatus and design for internal combustion engines
This invention method combines numerous disciplines to enhance the performance of internal combustion engines. No prior art embodies the discipline of physics in...
US-6,601,006 Methods for the calibration of analyte assays
The present invention provides methods for the calibration of detection and/or quantification assays for a wide variety of analytes in wet or dry chemistry assay...
US-6,600,031 Methods of making nucleic acid or oligonucleotide arrays
A synthetic strategy for the creation of large scale chemical diversity. Solid-phase chemistry, photolabile protecting groups, and photolithography are used to...
US-6,599,920 Naphthalene compounds, intermediates, formulations, and methods
This invention relates to the field of pharmaceutical and organic chemistry and provides naphthalene compounds, intermediates, formulations, and methods.
US-6,596,577 Semiconductor processing methods of forming dynamic random access memory (DRAM) circuitry
Methods of forming dynamic random access memories (DRAM) are described. In one embodiment, an insulative layer is formed over a substrate having a plurality of...
US-6,596,151 Electrodeposition chemistry for filling of apertures with reflective metal
The present invention provides plating solutions, particularly copper plating solutions, designed to provide uniform coatings on substrates and to provide...
US-6,592,772 Stabilization of magnetorheological fluid suspensions using a mixture of organoclays
A magnetorheological fluid formulation comprising magnetizable particles dispersed in a multi-component liquid vehicle comprising an organoclay stabilization...
US-6,591,166 Apparatus and method for analyzing chemical system data
A power plant water chemistry analysis apparatus and method relies upon water chemistry sensors to obtain power plant water chemistry data characterizing the...
US-6,590,653 Rapid detection of species bands in a separation conduit
The present invention provides a microfluidic system for fast, accurate and low cost electrophoretic analysis of materials in the fields of chemistry, ...
US-6,589,884 Method of forming an inset in a tungsten silicide layer in a transistor gate stack
The invention relates to the fabrication of a gate stack or other layered structure in a semiconductor device, and more particularly to methods to selectively...
US-6,589,858 Method of making metal gate stack with etch endpoint tracer layer
A metal gate structure and method of making the same provides a tracer layer over a first metal or metal compound layer. When etching a metal gate, formed of...
US-6,586,135 Electrochemical cell having an electrode with a dicarbonate additive in the electrode active mixture
An electrochemical cell of either a primary or a secondary chemistry, is described. In either case, the cell has a negative electrode of lithium or of an anode...
US-6,584,935 Process for culturing crabs in recirculating marine aquaculture systems
The present invention relates to a recirculating marine aquaculture process for production of a crab species, including (i) a broodstock conditioning, (ii)...
US-6,584,411 Methods to facilitate the calculation of yields of reaction products
A method for calculating the yield of a reaction product comprises providing a solid support with a first link, a reference material, and a second link having an...
US-6,582,908 Oligonucleotides
The present invention provides a number of oligonucleotide sequences which can be used for a wide variety of analyses applicable to the diverse fields impacted...
US-6,582,726 Cross linked solid supports for solid phase synthesis
A method for performing chemical synthesis includes the steps of providing a solid support having cross links, a first set of cleavable links within the cross...
US-6,579,425 System and method for forming base coat and thin film layers by sequential sputter depositing
A system and method are provided to sequentially deposit a silicon dioxide base coat barrier layer adjacent a thin silicon film, to minimize the formation of...
US-6,579,386 Filler wire for aluminum alloys and method of welding
A weld filler wire chemistry has been developed for fusion welding 2195 aluminum-lithium. The weld filler wire chemistry is an aluminum-copper based alloy...
US-6,576,472 Chemical constructs for solution phase chemistry
A chemical construct for use with solution phase chemistry comprises a reversible attachment unit and one or more attribute conferring units. Such units may...
US-6,574,971 Fatty-acid thermal storage devices, cycle, and chemicals
This invention is a method for producing phase change material (PCM) chemicals containing fatty acids or fatty-acid derivatives. These derivatives (1) are...
US-6,573,311 Method for treating polymer materials and products produced therefrom
The invention is directed to methods for fabricating devices from polymer precursors, along with devices so fabricated. The methods of the invention include the...
US-6,573,304 Method for obtaining polyols and polyol thus obtained
The invention relates to the field of polymer chemistry. It features a method for obtaining polyols consisting in a first step in reacting glycols, i.e....
US-6,573,110 Combinatorial chemistry system and method of use
A combinatorial chemistry system allows for the dual processing of different molecules coated on a library of beads. The system includes beads coated with...
US-6,568,264 Wireless swimming pool water level system
A wireless (e.g., radio) system and method for automatic water level maintenance of, e.g., a swimming pool utilizing capacitive liquid level sensing. A reference...
US-6,566,495 Very large scale immobilized polymer synthesis
A synthetic strategy for the creation of large scale chemical diversity. Solid-phase chemistry, photolabile protecting groups, and photolithography are used to...
US-6,566,077 Peptide useful as a ligand
A peptide of formula (I) where X.sub.1 and X.sub.2, different one another, are an amino acid residue of arginine or tyrosine in configuration L or D, wherein the...
US-6,562,777 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-6,562,747 Gas sensor electrolyte
The electrolyte comprises up to about 80 wt % zirconia, up to about 30 wt % stabilizer, and up to about 40 wt % dopant-zirconia. Alternatively, the electrolyte...
US-6,562,515 Electrochemical cell having an electrode with a nitrate additive in the electrode active mixture
An electrochemical cell of either a primary or a secondary chemistry, is described. In either case, the cell has a negative electrode of lithium or of an anode...
US-6,561,705 Photo-finishing
A method of identifying whether a particular brand of photochemicals has been used in the processing of photographic prints by providing information relating to...
US-6,559,125 Polyamide-alkylator conjugates and related products and method
The present invention is based on the surprising and unexpected discovery of new and useful polyamide-alkylator conjugates. As a result of their DNA binding...
US-6,555,572 Benzylated PDE4 inhibitors
The present invention is directed to a method for reducing the emetogenic effects of PDE inhibitors, and more particularly is directed to compounds having PDE4...
US-6,552,511 Hybrid battery network for implantable medical device
An implantable cardiac stimulation device with a hybrid battery network having first and second batteries with different battery chemistries connected in...
US-6,552,186 .beta.-lactam production
##STR1## The present invention provides processes for the production of a compound of formula I wherein X, R1 and R2 are substituents conventional in ...
US-6,551,943 Wet clean of organic silicate glass films
A post-etch clean up process for OSG. After the trench (112)/via (114) etch in a dual damascene process, a wet chemistry comprising HF and H.sub.2 O.sub.2 is...
US-6,551,938 N2/H2 chemistry for dry development in top surface imaging technology
A method of bi-layer top surface imaging, comprising the following steps. A structure having a lower layer formed thereover is provided. An upper ...
US-6,551,874 Self-aligned STI process using nitride hard mask
A nitride hard mask (230) is used to isolate active areas of a DRAM cell. The shallow trench isolation (STI) method includes forming memory cells comprising deep...
US-6,551,842 Method and device for detecting analytes in fluids
A disposable, dry chemistry analytical system is disclosed which is broadly useful for the detection of a variety of analytes present in biological fluids such...
US-6,550,915 Surface treatment of fluorinated contact lens materials
Hydrogen-plasma modification of a contact lens made from a fluorinated polymer reduces the surface chemistry of by removing fluorine, leaving behind a...
US-6,548,311 Device and method for detecting analytes
The invention relates to a method for detecting analytes and to a device for carrying out the method, for use for analysis or diagnosis in the fields of...
US-6,546,757 Liquid spray pyrolysis method for the fabrication of optical fiber preforms, with reactant mixing
A method is disclosed for fabricating a preform suitable for use in manufacturing a wide bandwidth multi-mode optical fiber. The method includes steps of...
US-6,545,308 Funnel shaped structure in polysilicon
Disclosed is a vertically oriented capacitor structure, which is of particular usefulness in MOS DRAM memory modules. The structure has upper and lower...
US-6,545,127 Catalytically active recombinant memapsin and methods of use thereof
Methods for the production of purified, catalytically active, recombinant memapsin 2 have been developed. The substrate and subsite specificity of the...
US-6,544,923 Surface-confined catalytic compositions
The present invention provides a novel catalytic system comprising catalysts immobilized on ultra-large mesoporous compositions, and particularly compositions...
US-6,544,838 Method of deep trench formation with improved profile control and surface area
A method for etching trenches includes providing a patterned mask stack on a substrate. A trench is etched in the substrate by forming a tapered-shaped trench...
US-6,544,474 Device for determination of an analyte in a body fluid using small sample sizes
Devices and methods for utilizing dry chemistry dye indicator systems for body fluid analysis such as glucose level in whole blood are provided by incorporating...
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