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Searching: chemistry





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Patent # Description
US-6,045,755 Apparatus and method for combinatorial chemistry synthesis
In a first embodiment, this invention includes an integrated robot apparatus for performing combinatorial chemistry synthesis protocols and having...
US-6,044,643 Engine control system and method
An engine control system comprising: a mass air flow sensor in an air intake path for a vehicle engine and providing a first input signal indicative of mass air...
US-6,044,324 System approach to stand-alone soil sampling
A method and apparatus for collecting and analyzing soil chemistry information from a tract of land is described. An information management system receives...
US-6,044,212 Use of automated technology in chemical process research and development
A method and workstation for optimizing chemical processes based on combinatorial chemistry, automation technology, and computer-controlled design is disclosed....
US-6,043,631 Battery charger and method of charging rechargeable batteries
A method of charging a rechargeable battery which comprises charging the battery with a charging current; sampling a charging voltage of the battery during...
US-6,043,372 Intermediates in the process for preparing epothilones
The invention relates to a process for the production of epothilones and intermediate products within the process. Epothilones A and B are natural substances, which...
US-6,042,618 Dry cleaning method and solvent
The present invention comprises a dry cleaning system and method, in which dry cleaning machinery is used in conjunction with a specific solvent which is derived...
US-6,040,248 Chemistry for etching organic low-k materials
A process for plasma etching of contact and via openings in low-k organic polymer dielectric layers is described which overcomes problems of sidewall bowing and...
US-6,040,151 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...
US-6,040,022 PECVD of compounds of silicon from silane and nitrogen
An inlet gas manifold for a vacuum deposition chamber incorporates inlet apertures which increase in diameter or cross-section transverse to the direction of gas...
US-6,039,924 Chemical sample treatment system and cassette, and methods for effecting multistep treatment process
This invention is directed to a cassette chemical immobilization and treatment system and method for enabling the performance of various complex chemistries with...
US-6,039,694 Coupling sheath for ultrasound transducers
A homogeneous, solid, elastic, biocompatible sheath which is conformal and performs as if integral to the diagnostic and/or therapeutic medical ultrasound...
US-6,036,920 Microplate thermal shift assay apparatus for ligand development and multi-variable protein chemistry optimization
The present invention provides an assay apparatus for that includes a temperature adjusting device for simultaneously heating a plurality of samples, and a...
US-6,036,892 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-6,033,909 Oligonucleotide analogs, their preparation and use
The invention relates to compounds of the formula I ##STR1## where R.sup.1 is H, alkyl, acyl, aryl, or a phosphate residue; R.sup.2 is H, OH, alkoxy,...
US-6,030,422 Method for modifying the electrochemical surface area of a cell using a perforated film
A perforated fabric for modifying the effective electrochemical surface area of a cell is described. The size and pattern of perforations in the fabric determine...
US-6,028,222 Stable liquid paracetamol compositions, and method for preparing same
Novel stable paracetamol compositions for use in therapeutic chemistry and specifically galenic pharmacy are disclosed. The compositions contain a solution of...
US-6,027,711 Structurally determined metallo-constructs and applications
A metallo-construct, which may be a peptide, is provided for use as a biological, therapeutic, diagnostic imaging, or radiotherapeutic agent, and for use in...
US-6,027,691 Automatic chemistry analyzer
An automatic chemistry analyzer is provided having a high throughput and a high reliability. The analyzer uses nephelometric and turbimetric analyzers to analyze...
US-6,027,479 Medical apparatus incorporating pressurized supply of storage liquid
An improved apparatus is disclosed for maintaining a medical assembly, e.g., a blood chemistry electrode assembly, filled with a bubble-free storage liquid for...
US-6,025,371 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-6,025,129 Remotely programmable matrices with memories and uses thereof
Combinations, called matrices with memories, of matrix materials with remotely addressable or remotely programmable recording devices that contain at least one...
US-6,024,923 Integrated fluorescence-based biochemical sensor
An integrated biochemical sensor (200) for detecting the presence of one or more specific samples (240) having a device platform (355) with a light absorbing...
US-6,024,167 Transporting waterflood mobility control agents to high permeability zones
A method for improving the a real sweep efficiency of a waterflood process is described. Reservoir heterogeneity results in the waterflood being diverted to the...
US-6,023,540 Fiber optic sensor with encoded microspheres
A microsphere-based analytic chemistry system is disclosed in which microspheres carrying different chemical functionalities may be mixed together while the...
US-6,023,151 Method and device for enhancing smart battery performance
The subject invention pertains to a method and device for implementing a dynamic End of Discharge Voltage (EODV) for rechargeable batteries and battery packs...
US-6,022,941 Branched polycarbonate produced by reactive extrusion
Polycarbonate can be branched by reactive extrusion using free radical chemistry. This technology combines the effect of free radical initiator and branching...
US-6,022,597 Chemical functionalization of surfaces
Methods for covalently modifying surfaces of various substrates are disclosed, along with various substrates having surfaces modified by such methods. Candidate...
US-6,022,544 Therapeutic suppression of specific immune responses by administration of oligomeric forms of antigen of...
The invention features a method for reducing an undesired antibody response in a mammal by administering to the mammal a non-immunogenic construct which is free...
US-6,020,333 Compositions containing in particular, riboflavin, for the local prevention of diseases of the genital and...
The invention relates to the field of therapeutic chemistry and concerns novel antiviral pharmaceutical compositions for the local prevention of diseases of the...
US-6,020,270 Bomine and iodine etch process for silicon and silicides
A process for etching single crystal silicon, polysilicon, silicide and polycide using iodinate or brominate gas chemistry, is disclosed. The iodinate/brominate...
US-6,020,141 Microplate thermal shift assay for ligand development and multi-variable protein chemistry optimization
The present invention is a method for ranking the affinity of each of a multiplicity of different molecules for a target molecule which is capable of denaturing...
US-6,018,173 Vertically oriented capacitor structure with sloped contact opening and method for etching sloped contact...
Disclosed is a vertically oriented capacitor structure, which is of particular usefulness in MOS DRAM memory modules. The structure has upper and lower...
US-6,018,012 Two-component polyurethane top coat for golf balls
A two component polyurethane top coat for use with golf balls includes a polyol component and a polyisocyanate component. The polyol component includes a...
US-6,017,914 Benzo[b]thiophene compounds, intermediates, formulations, and methods
This invention relates to the field of pharmaceutical and organic chemistry and provides benzothiophene compounds, intermediates, formulations, and methods.
US-6,017,496 Matrices with memories and uses thereof
Combinations, called matrices with memories, of matrix materials that are encoded with an optically readable code are provided. The matrix materials are those...
US-6,017,274 Method of forming a fastener
In a first embodiment, a method for forming a hardened fastener having a hardened fastener head. Alloys made of cobalt, nickel, chromium, and molybdenum have...
US-6,015,522 Method for low-temperature preparation of electrodes from conducting refractory powder materials
A novel method for preparation of electrodes at a low temperature from electroconducting refractory powder materials. The electrodes are useful for analytical...
US-6,013,582 Method for etching silicon oxynitride and inorganic antireflection coatings
The present disclosure pertains to a method for plasma etching a semiconductor patterning stack. The patterning stack includes at least one layer comprising...
US-6,011,247 System for open and closed vessel microwave chemistry
A microwave system is provided which is capable of performing both open and closed vessel microwave chemistry in an efficient and productive manner. For open...
US-6,011,119 Resin composition for electrophotographic toner, and toner
A resin composition is provided for an electro-photographic toner. The composition comprises 5 to 95 parts by weight of a high molecular weight vinyl copolymer...
US-6,010,930 Vertically oriented structure with sloped opening and method for etching
Disclosed is a vertically oriented capacitor structure, which is of particular usefulness in MOS DRAM memory modules. The structure has upper and lower...
US-6,010,744 Method for nucleation controlled chemical vapor deposition of metal oxide ferroelectric thin films
A method is described for the nucleation controlled deposition of ferroelectric thin films by chemical vapor deposition in a novel processing sequence wherein a...
US-6,008,625 Use of double cells to power an implantable medical device
A power source including two alkali metal/transition metal oxide cells discharged in parallel to power an implantable medical device is described. The first cell...
US-6,008,334 Base-protected nucleotide analogs with protected thiol groups
The present invention is directed to protected thiol analogs of pyrimidine bases for syntheses of DNA and RNA by chemical or enzymatic methods. The subject...
US-6,008,140 Copper etch using HCI and HBr chemistry
Copper can be pattern etched in a manner which provides the desired feature dimension and integrity, at acceptable rates, and with selectivity over adjacent...
US-6,008,058 Cyclic peptide mixtures via side chain or backbone attachment and solid phase synthesis
A method of preparing cyclic peptide mixtures via side chain or backbone and solid phase synthesis. The cyclic peptide mixtures form libraries that are useful...
US-6,004,884 Methods and apparatus for etching semiconductor wafers
A method for etching a TiN layer of a wafer stack in a plasma processing chamber. The method includes the step of etching at least partially through the TiN...
US-6,004,821 Method and apparatus for performing chemical, qualitative, quantitative, and semi-quantitative analyses of a...
A urine sample is analyzed for urine chemistry, formed bodies, and rare event evidence, all in a single sample container and under low power magnification. The...
US-6,003,307 OBD calorimetric sensor system with offset error correction
An on-board catalytic monitoring system uses an intrusive technique to cause the vehicle's engine to cycle between first and second operating conditions. The...
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