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Searching: chemistry





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Patent # Description
US-7,597,848 Device for transporting and holding microtiter plates
A transport system for transporting and handling microtiter plates, for use in high throughput screening, diagnosis and/or combinatorial chemistry, comprising...
US-7,597,782 Press stable method of cleaning paper machine press fabrics on-the-run
A method of cleaning papermaking felt by applying a low concentration of a cleaning solution through the oscillating needle nozzles. The detergent is applied...
US-7,596,886 Method and system to separate and recycle divergent chemistries
In one embodiment of the invention, an apparatus for collecting fluid within a wafer cleaning chamber is provided. The apparatus includes a rotatable annular...
US-7,595,425 Friedel-crafts acylation process in ionic liquids
A preparation process of aromatic ketones by a Friedel-Crafts acylation reaction in an ionic liquid of formula (I), in the absence of any other catalyst and/or...
US-7,595,350 Ultraporous sol gel monoliths
Ultraporous sol gel monoliths and methods for preparing the same are provided, having superior flow characteristics for chromatography and analytical chemistry...
US-7,595,279 Surface immobilized polyelectrolyte with multiple functional groups capable of covalently bonding to biomolecules
A polyelectrolyte having multiple exposed functional groups, each such group being capable of covalently bonding to a molecule, is immobilized on a surface for...
US-7,595,005 Method and apparatus for ashing a substrate using carbon dioxide
A method and apparatus for removing residue, such as etch reside, from a substrate with substantially reduced damage to the substrate in a plasma processing...
US-7,592,392 Synthesis of functional polymers for use in organic synthesis and combinatorial chemistry
The present invention relates to a novel process for the preparation of solid-supported scavenging reagents and solid-supported functional polymers. The...
US-7,591,934 Apparatus for producing metal powder by electrowinning
This invention relates to an apparatus for producing a metal powder product using either conventional electrowinning or alternative anode reaction chemistries in...
US-7,589,170 Synthesis of cyclic peptides
This invention relates to methods for preparing cyclic peptides and peptidomimetic compounds in solution and bound to solid supports, and to cyclic peptide or...
US-7,586,612 Photometric analysis of biological samples using in-plane detection
On an analytical device for photometric analysis of chemistry and/or fluid samples comprising a rotatable disk-like body, a plurality of receptacles for fluid...
US-7,585,759 Technique for efficiently patterning an underbump metallization layer using a dry etch process
By patterning the underbump metallization layer stack on the basis of a dry etch process, significant advantages may be achieved compared to conventional...
US-7,585,439 Manufacture of fully recyclable foamed polymer from recycled material
A solid state foaming process permits the use of up to 100% recycled pre- and post-consumer polymer for the manufacture of foamed polymer material and...
US-7,582,452 Assay for species sources
A family of PCR assays is disclosed for determining, both qualitatively and quantitatively, presence of material from a predetermined species source and for...
US-7,580,279 Flash memory cells with reduced distances between cell elements
An anti-reflective coating (ARC) is formed over the various layers involved in a cell fabrication process. The ARC is selectively etched such that the edges of...
US-7,579,433 Methods and compositions for treatment of arthritis and cancer
The present invention provides a new 18-residue homodimerized peptide, designated PIP [59-67] dimer (SEQ ID NO: 1), which is a mutant of the optimized...
US-7,579,192 High throughput screening methods for lubricating oil compositions
A method for determining storage stability for a plurality of fluid lubricant samples of different compositions is provided. Each sample includes one or more...
US-7,579,052 Method of making gold thiolate and photochemically functionalized microcantilevers
Highly sensitive sensor platforms for the detection of specific reagents, such as chromate, gasoline and biological species, using microcantilevers and other...
US-7,578,049 Method for constructing a magnetic write pole for a perpendicular magnetic recording head
A method for manufacturing a write pole for a perpendicular magnetic write head. The method includes forming a mask structure over a full film layer of magnetic...
US-7,577,469 Noninvasive transdermal systems for detecting an analyte in a biological fluid and methods
The present invention relates to noninvasive transdermal systems comprised of a noninvasive transdermal patch and a reflectometer. The noninvasive transdermal...
US-7,576,037 Process and apparatus for combinatorial synthesis
Apparatus and methods are described for split synthesis combinatorial chemistry that provides candidate libraries where an even distribution of theoretical...
US-7,575,681 Microfluidic separator
The present invention provides methods and apparatus for separating and/or analyzing fluids of interest. According to principles of the present invention, fluid...
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...
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