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Searching: chemistry





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Patent # Description
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...
US-5,840,430 Stretch cling film and fabrication method
Multilayer thermoplastic stretch wrap film having substantial one-sided cling properties is made without the use of polymers with high levels of n-hexane...
US-5,834,871 Apparatus and methods for cleaning and/or processing delicate parts
The invention utilizes harmonics of certain clamped ultrasound transducers to generate ultrasound within the liquid of an ultrasonic tank and in a frequency...
US-5,834,482 Heterocyclic chemistry
A compound of formula (I). The present invention relates to therapeutically active .beta.-carboline derivatives, a method of preparing the same and to ...
US-5,833,925 Automatic chemistry analyzer with improved ion selective electrode assembly
An ion selective electrode assembly is provided having a sample injection cup, a flow cell analyzer and multiple module pump for simultaneously pumping liquids...
US-5,831,099 Compounds of 1,5-disubstituted-3,7 diaza bicyclo [3.3.0] octanes and products containing the same
Overall, the invention provides the chemistry for the compounds and for the processes to prepare compounds derived from 1,5-diazacyclooctanes. This makes...
US-5,831,070 Printing oligonucleotide arrays using deprotection agents solely in the vapor phase
A method and apparatus for selectively applying a print material onto a substrate for the synthesis of an array of oligonucleotides at selected regions of a...
US-5,829,438 System and method for the infusing of tocolytic drugs in response to the onset of premature labor detected by...
The onset of spontaneous abortion or premature labor of a pregnant human female is continuously monitored, potentially for periods of several months and longer,...
US-5,827,181 Noninvasive blood chemistry measurement method and system
A noninvasive blood chemistry measurement method and system isolate measurement contributions due to a patient's blood to accurately measure blood chemistry. In...
US-5,826,592 Control of cigarette smoke chemistry
A cigarette smoke filter element is provided which permits a higher level of flavor to reach the smoker during initial smoking of the cigarette and consequently...
US-5,824,491 Dry reagent test strip comprising benzidine dye precursor and antipyrine compound
A dry reagent test strip for determining the concentration of an analyte in a liquid sample is described. The test strip has a matrix containing reagent...
US-5,821,058 Automated DNA sequencing technique
A process for the electrophoretic analysis of DNA fragments produced in DNA sequencing operations wherein chromophores or fluorophores are used to tag the DNA...
US-5,820,939 Method of thermally spraying metallic coatings using flux cored wire
A method of thermally spraying at least one adherent metallic coating onto an unroughened cleansed aluminum or aluminum alloy substrate to produce a coated...
US-5,817,958 Plant monitoring and diagnosing method and system, as well as plant equipped with the system
Plant operating conditions 1, apparatus operating conditions 2 and environment conditions 3 are accumulated, combined and put together as a set of plant status...
US-5,817,928 Method and apparatus for lubrication fluid analysis
A method is provided for evaluating a multiplicity of lubrication quality parameters. For a particular lubrication system, a parameter profile is designated to...
US-5,817,811 Process for preparing substituted N-ethyglycine derivatives
Processes are described for preparing substituted N-ethylglycine derivatives of the formula ##STR1## in which PG is an amino protecting group which is...
US-5,817,751 Method for synthesis of diketopiperazine and diketomorpholine derivatives
The present invention relates to the areas of organic and medicinal chemistry. More specifically, the present invention is concerned with combinatorial and solid...
US-5,817,573 Semiconductor processing method of providing an electrically conductive interconnecting plug between an...
In one aspect, a semiconductor processing method for connecting a metal layer to a plug when there is a fang gap between the plug and a layer surrounding the...
US-5,816,891 Performing chemical mechanical polishing of oxides and metals using sequential removal on multiple polish...
A chemical mechanical polisher is provided comprising multiple polish platens to sequentially remove any fixed amount of oxide or metal on a semiconductor wafer....
US-5,811,506 Extrudable thermoplastic elastomeric urea-extended polyurethane
An extrudable urea-extended thermoplastic polyurethane elastomer is formed from at least one aliphatic diisocyanate, at least one polyester glycol or polyether...
US-5,807,792 Uniform distribution of reactants in a device layer
A method and apparatus for forming a multi-constituent device layer on a wafer surface are disclosed. The multi-constituent device layer is formed by flowing a...
US-5,807,523 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-5,806,934 Method of using composite cermet articles
Methods for making, methods for using and articles comprising cermets, preferably cemented carbides and more preferably tungsten carbide, having at least two...
US-5,804,103 Di-substituted 1,2-dioxetane compounds having increased water solubility and assay compositions
Stable, enzymatically triggered chemiluminescent 1,2-dioxetanes with improved water solubility are provided. Dioxetanes further substituted with two or more...
US-5,800,784 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-5,800,635 Method of achieving a controlled step change in the magnetization loop of amorphous alloys
A magnetic theft detection system includes a glassy metal alloy strip having a value of magnetostriction near zero. The strip has been annealed to produce a step...
US-5,798,261 Distributed pore chemistry in porous organic polymers
A method for making a biocompatible polymer article using a uniform atomic oxygen treatment is disclosed. The substrate may be subsequently optionally grated...
US-5,798,035 High throughput solid phase chemical synthesis utilizing thin cylindrical reaction vessels useable for...
A high throughput chemical synthesis system utilizing cylindrical reaction vessels is disclosed. Reaction vessels are utilized which include a tubular member...
US-5,792,663 High efficiency continuous flow through fractional-volatilization separator system, and method of use
Fractional-volatilization separation systems and methods are disclosed which enable a stable, continuous, non-bubbling liquid flow, essentially constant surface...
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