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Searching: chemistry





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Patent # Description
US-5,902,548 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-5,902,452 Method for etching silicon surface
The present invention discloses a method for etching a silicon surface or forming alignment marks in a silicon substrate by first coating the substrate with an...
US-5,900,481 Bead linkers for immobilizing nucleic acids to solid supports
Novel compositions comprised of at least one bead conjugated to a solid support and further conjugated to at least one nucleic acid and preferred methods for...
US-5,900,215 Fiber optic sensor
A method is provided for manufacturing a fiber optic sensor for detecting or measuring a parameter of interest in a sample fluid, including pH, concentration of...
US-5,891,959 Polymeric anti-reflective compounds
Anti-reflective coatings and methods for forming these anti-reflective coatings are disclosed that have a polymer chemistry and optical characteristics suitable...
US-5,891,658 Single-step, solid-state competitive immunoassay
Simplicity, sensitivity and versatility of optical sensors based on competitive immunoassays using antibody-antigen reactions are achieved by solid-state,...
US-5,891,526 Apparatus for mixing a multi-component encapsulant and injecting it through a heated nozzle onto a part to be...
The present invention is an apparatus and method for mixing a plurality of materials in-situ to form an admixture and heating a localized portion of admixture...
US-5,889,165 Photolabile nucleoside protecting groups
A synthetic strategy for the creation of large scale chemical diversity. Solid-phase chemistry, photolabile protecting groups, and photolithography are used to...
US-5,888,824 Blood test ware and matrixes
This invention has for its object to provide a blood component deposition-preventing agent and a blood coagulation accelerator, which are substantially...
US-5,886,186 Synthesis of substituted N-heteroaromatic compounds and methods of use thereof
The subject invention features substituted N-heteroaromatic compounds, libraries of substituted N-heteroaromatic compounds, and methods of synthesis thereof. For...
US-5,885,790 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-5,885,784 Process for making triglyceride controls, calibrators and standards comprising novel triglyceride substitutes
Materials and compositions for making triglyceride controls, calibrators and standards are described. The materials are mono- and di- and tri- glycerides of...
US-5,885,470 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-5,884,116 Photographic processing apparatus
A photographic processing apparatus (100) for processing photographic materials and comprising at least one processing stage (10,20), a washing/stabilizing stage...
US-5,883,007 Methods and apparatuses for improving photoresist selectivity and reducing etch rate loading
Disclosed is an inventive multiple-chemistry etching method suited for etching through selected portions of layers in a layer stack in a plasma processing...
US-5,882,601 Deflected septum seal access port
An access port for a reaction or other fluid vessel which maintains the vessel under an inert gas atmosphere and maintains the integrity of the inert gas seal...
US-5,882,535 Method for forming a hole in a semiconductor device
Processes for forming pedestal holes in a substrate assembly are described. In particular, processes using a high density plasma to etch doped or undoped silicon...
US-5,880,972 Method and apparatus for generating and representing combinatorial chemistry libraries
A method and apparatus is provided for the generation and representation of chemical libraries. More particularly, a computer-implemented method and apparatus is...
US-5,880,259 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-5,880,005 Method for forming a tapered profile insulator shape
A method for creating a tapered profile insulator shape, on an underlying silicon nitride layer, using a photoresist shape as a mask, has been developed. A two...
US-5,877,580 Micromachined chemical jet dispenser
A dispenser for chemical fluid samples that need to be precisely ejected in size, location, and time. The dispenser is a micro-electro-mechanical systems (MEMS)...
US-5,876,844 Antistatic opacifying layer for photographic roll film
The present invention is a backing paper for photographic roll film. The backing paper includes a paper base having a first side and a second side. Superposed on...
US-5,874,362 Bromine 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-5,874,345 Method for planarizing TEOS SiO.sub.2 filled shallow isolation trenches
According to the present invention, there is disclosed a method for planarizing TEOS SiO.sub.2 filled shallow isolation trenches according to a planarization...
US-5,874,214 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-5,872,065 Method for depositing low K SI-O-F films using SIF.sub.4 /oxygen chemistry
An Si--O--F insulating film having a low dielectric constant is deposited on a substrate by thermally reacting disassociated SiF.sub.4 radicals and ozone or...
US-5,871,687 Consumable recharging box
Consumable recharging containers for re-introducing cooled molten metal having impurities into a furnace or vessel or producing molten metal. The containers are...
US-5,871,649 Affinity membrane system and method of using same
The present invention provides an improved affinity membrane device and method for the effective removal of target molecules in plasma. The affinity membrane...
US-5,868,966 Electroactive inorganic organic hybrid materials
Hybrid materials are formed having a homogeneous distribution of a conductive organic polymer or copolymer in an inorganic matrix. The conductive organic polymer...
US-5,868,936 Affinity membrane system and method of using same
The present invention provides an improved affinity membrane device and method for the effective removal of target molecules in plasma. The affinity membrane...
US-5,867,747 Automatic film processor
An automatic film processor is provided for developing high resolution, large sheet-format film in such a manner that fluid flow across the film will be uniform...
US-5,867,267 Interferometric device for detection
The device comprises a parallel input microguide (2) and output microguide (5) between which a flat guide is arranged forming a transition zone (10). Coupling...
US-5,866,045 Water soluble tri-substituted 1,2-dioxetane compounds and assay compositions having increased storage stability
Stable, enzymatically triggered chemiluminescent 1,2-dioxetanes with improved water solubility and storage stability are provided. Dioxetanes further substituted...
US-5,863,506 Automatic chemistry analyzer with improved heated reaction cup assembly
The invention provides an automatic analyzing machine comprising a unique reaction cup combination for running high volume chemical analyses, such as analyses...
US-5,861,791 Ignition coil with non-filtering/non-segregating secondary winding separators
An ignition coil for an internal combustion engine and a method of making the same in which layers of the secondary winding are separated by a ...
US-5,861,316 Continuous emission monitoring system
A continuous emission monitoring system is disclosed for detecting toxic substances of various types in either stack gas or ambient air. Particular systems are...
US-5,861,064 Process for enhanced photoresist removal in conjunction with various methods and chemistries
A novel method is disclosed for the removal of organic material, particularly hardened photoresist, from the surface of a substrate. Layers of organic material...
US-5,859,404 Method and apparatus for plasma processing a workpiece in an enveloping plasma
A plasma heating apparatus for heating a workpiece includes a chamber of sufficient size to receive a workpiece therein and a source of a reduced gas pressure...
US-5,858,130 Composition and method for producing an alloy steel and a product therefrom for structural applications
A high strength low-alloy steel is subjected to a controlled rolling and accelerated cooling process to obtain minimum physical properties while achieving...
US-5,852,495 Fourier detection of species migrating in a microchannel
The present invention provides a microfluidic system for fast, accurate and low cost electrophoretic analysis of materials in the fields of chemistry, ...
US-5,852,222 Process
The present invention provides the novel chlorofluorohydrocarbon 1,1-difluoro-1,4-dichlorobutane, and a process for its preparation by reacting...
US-5,851,947 Incorporation of noble metals into aerogels
Aerogels or xerogels containing atomically dispersed noble metals for applications such environmental remediation. New noble metal precursors, such as Pt--Si or...
US-5,849,889 Oligosaccharide-containing 14 aminosteroid compounds and novel diastereoselective aminosteroid process chemistry
The present invention relates to new 14-aminosteroids, pharmaceutical compositions containing the new compounds and methods of treatment for humans or other...
US-5,849,635 Semiconductor processing method of forming an insulating dielectric layer and a contact opening therein
A semiconductor processing method of forming a contact opening includes providing a substrate having a node location to which electrical connection is to be...
US-5,846,842 Waveguide immunosensor with coating chemistry and providing enhanced sensitivity
Methods and apparatus for evanescent light fluoroimmunoassays are disclosed. The apparatus employs a planar waveguide and optionally has multi-well features and...
US-5,846,841 Motif Libraries
The invention concerns libraries of chemical compounds, that are useful in medicinal chemistry and related arts, their methods of manufacture and methods of...
US-5,843,903 Targeted cytotoxic anthracycline analogs
This invention is in the field of the chemistry of targeting anticancer anthracycline derivatives. More particularly, it concerns doxorubicin (DOX) or its...
US-5,840,889 Synthesis of estrogen-purine base and estrogen-mercapturate adducts and development of fluorescent probes and...
Estrogen-nucleoside, estrogen-guanine and estrogen-mercapturate adducts are potential biomarkers for determining susceptibility of animals to a number of...
US-5,840,558 Soybean peroxidase gene family and an assay for detecting soybean peroxidase activity
Four cDNA sequences representing a soybean peroxidase gene family are provided. An enzyme-capture assay for the nondestructive, sensitive and reliable...
US-5,840,485 Topologically segregated, encoded solid phase libraries
The invention relates to libraries of synthetic test compound attached to separate phase synthesis supports that also contain coding molecules that encode the...
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