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Searching: chemistry
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| Patent # | Description |
|---|---|
| US-4,959,324 |
Sample pad assay initiation device and method of making A self-contained assay device is provided, where an analyte may be detected or be quantitated by measuring the distance of a detectable signal from a ... |
| US-4,958,767 |
Process and device for injecting a matter in fluid form into a hot
gaseous flow and apparatus carrying out this... This invention relates to a process and device for injecting at least one stream of a fluid matter into a hot gaseous flow, such as a plasma jet. According to... |
| US-4,956,409 |
Binder chemistry A glass wool binder is made to include a surfactant decomposable upon heating so as to produce a hydrophobic surface on the wool after curing of the binder. |
| US-4,954,648 |
Method for the bromination of aromatic compound A method for the bromination of aromatic compounds, including substituted deactivated aromatic compounds, at mild temperature conditions is disclosed. The method... |
| US-4,954,451 |
Agent for diminishing ascorbate interference in reagent systems and
method relating thereto The present invention is directed to an agent and method for eliminating ascorbate interference in reagent systems, particularly assay systems using... |
| US-4,952,300 |
Multiparameter analytical electrode structure and method of measurement An ion sensitive electrode device and method of its use in analytical and clinical chemistry are provided for measuring the concentration of an ionizable analyte... |
| US-4,946,665 |
Reactive zirconium oxide and its preparation The invention relates to the chemistry of zirconium. It relates particularly to a reactive zirconium oxide in the form of fine particles whose median diameter does... |
| US-4,944,923 |
Autoclave for the pressure digestion of sample materials in analytical
chemistry An autoclave useful for pressure digestion of samples for chemical analysis, consisting of a closeable vessel containing the sample, which during operation... |
| US-4,943,164 |
Mixing apparatus for mixing reagent for use in automatic chemistry
analyzer A reagent vessel is mounted for swinging movement and has a projection at the bottom portion thereof. A rotor has an eccentric groove at an upper end and has an... |
| US-4,942,017 |
Random access chemistry analyzer The ability to provide a random assortment of chemical analyses is provided by an improved photometric analyzer system. The analyzer has a rotary sample holding... |
| US-4,940,945 |
Interface circuit for use in a portable blood chemistry measuring
apparatus An interface circuit for use in a portable apparatus for measuring the electrochemical characteristics of a sample is disclosed. A disposable cartridge,... |
| US-D309,015 |
Fluid cartridge for holding reagents in an automated clinical chemistry
analyzer |
| US-4,937,364 |
Novel disilacyclohexane compound and process for preparing the same A disilacyclohexane compound represented by the following general formula (I): ##STR1## wherein R's may be the same or different and each represent an alkyl... |
| US-4,937,308 |
Preparation of alkyl O,O-dialkyl-.gamma.-phosphonotiglates Alkyl .gamma.-halotiglates of the general formula I ##STR1## where X is Cl or Br and R.sup.2 is alkyl of 1 to 3 carbon atoms, having a high E isomer... |
| US-4,937,188 |
Enzyme activity amplification method for increasing assay sensitivity Enzyme amplification is achieved by covalently bonding enzyme to a supporting material via a molecular chain which is a substrate for the enzyme, then... |
| US-4,936,465 |
Method and apparatus for fast, reliable, and environmentally safe
dispensing of fluids, gases and individual... A method and apparatus for controlling flows of fluids, suspensions, gases, aerosols, and for sorting individual particles, flowing in transporter ducts of a... |
| US-4,929,426 |
Portable blood chemistry measuring apparatus A portable apparatus for measuring the electrochemical characteristics of a sample is disclosed. A disposable cartridge, including a plurality of interconnected... |
| US-4,927,809 |
Oligopeptidyl nitrile derivatives, agents containing them and their use Compounds of the formula I in which R.sup.1 is the cyanide group, R is Pro or D--Phe--Pro, A is a hydrogen atom or a protective group customary in peptide chemistry, ... |
| US-4,923,641 |
Highly concentrated stable solutions of color-forming agent: for
pressure-sensitive recording materials Highly concentrated stable solutions of color-forming agents of the general formula ##STR1## wherein x denotes hydroxyl, alkoxy, alkenyloxy, aralkoxy,... |
| US-4,923,562 |
Processing of etching refractory metals A processing apparatus and method for anisotropically etching thin film metal (e.g. tungsten) under plasma bombardment conditions by using a feed gas mixture... |
| US-4,920,208 |
Basic azo dyestuffs Basic azo dyestuffs of the general formula ##STR1## and tautomers thereof, in which D is the radical of a diazo or tetrazocomponent free of anionic... |
| US-4,915,777 |
Method for etching tungsten A process wherein a thin film of tungsten is anisotropically etched under plasma bombardment conditions by using a feed gas mixture which includes an etchant and... |
| US-4,909,065 |
Contained radiological analytical chemistry module A system which provides analytical determination of a plurality of water chemistry parameters with respect to water samples subject to radiological ... |
| US-4,903,947 |
Fence or other structure vegetation barrier A length of integral fence or other building structure associated vegetation barrier, for use for eliminating the growth of grass or weeds, the barrier includes... |
| US-4,902,349 |
Asphalt/polyol emulsion and process for preparation thereof An asphalt/polyol emulsion is prepared from asphalt and polyol which are mixed and emulsified with a surface active agent and the plasticizer, by utilizing the... |
| US-4,892,383 |
Reservoir fiber optic chemical sensors A reservoir fiber optic chemical sensor (FOCS) is formed of a modular cell body. A fiber optic is attached using a quick connect standard fiber optic connector.... |
| US-4,891,104 |
Enzymatic electrode and electrode module and method of use An improved enzymatic electrode and electrode module specifically adapted for use in a medical analyzer device is disclosed which permits rapid analysis of... |
| US-4,889,992 |
Automatic infrared microorganism detection instrument This invention relates to an instrument for the detection of microorganisms in a culture media by means of the measurement of the gaseous products generated... |
| US-4,886,681 |
Metal-polymer adhesion by low energy bombardment A technique is described for improving metal-organic substrate adhesion and for reducing stress between the metal film and the substrate. Low energy reactive... |
| US-D305,003 |
Chemistry analyzer tray |
| US-D305,002 |
Chemistry analyzer tray |
| US-D305,001 |
Chemistry analyzer tray |
| US-4,875,410 |
Decorating bowling balls A bowling ball, rather than being engraved with a decoration, is printed with the decoration, relying on graft polymerization chemistry by which the printing... |
| US-4,874,946 |
Method and apparatus for analyzing the internal chemistry and
compositional variations of materials and devices A method and apparatus is disclosed for obtaining and mapping chemical compositional data for solid devices. It includes a SIMS mass analyzer or similar system... |
| US-4,869,989 |
Dry toners containing fanal pigments based on cationic dyes A dry toner for developing latent electrostatic images in electrostatic recording and printing methods contains, as charge-control substance, a pigment of the... |
| US-4,854,553 |
Self shielding lance Apparatus for introducing stirring and refining agents into molten metal in a vessel using a lance having an elongated refractory body with a bore extending... |
| US-4,854,263 |
Inlet manifold and methods for increasing gas dissociation and for PECVD
of dielectric films 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-4,853,719 |
Coated ion projection printing head A fluid flow assisted ion projection printing head having an electrically conductive metal body defining an elongated ion generation chamber, a corona wire... |
| US-4,849,258 |
Mechanical barrel plating-process and article Major improvements in Mechanical Barrel Plating are virtual elimination of expensive glass impact media, elimination of larger size glass balls such as 3 mm and... |
| US-4,849,067 |
Method for etching tungsten A fluorine based metal etch chemistry, wherein an admixture of etch products (or species which are closely related to etch products) is added during the post... |
| US-4,847,177 |
Fanal pigments of closed-ring dry toners containing indamine-and
diphenylmethane dyestuffs A dry toner for developing latent electrostatic images in electrostatic copying and printing processes contains, as charge-control substance, a pigment of the... |
| US-4,842,687 |
Method for etching tungsten A thin film metal (e.g. tungsten) is anisotropically etched under plasma bombardment conditions by using a feed gas mixture which includes a fluorine source,... |
| US-4,839,104 |
Process for preparing sertraline intermediates A novel three-step process for preparing 4-(3,4-dichlorophenyl)-4-phenylbutanoic acid is disclosed, which involves (1) reducing... |
| US-4,838,990 |
Method for plasma etching tungsten A process wherein a thin film metal (e.g. tungsten) is anisotropically etched under plasma bombardment conditions by using a feed gas mixture which includes a... |
| US-4,838,098 |
Contained radiological analytical chemistry module A system which provides analytical determination of a plurality of water chemistry parameters with respect to water samples subject to radiological ... |
| US-4,837,161 |
Method for reagent addition to a flowing liquid carrier stream An analytical chemistry apparatus and method for introducing a reagent into a flowing stream of liquid carrier in order to quantitatively analyze one or more... |
| US-4,836,886 |
Binary chlorofluorocarbon chemistry for plasma etching A plasma comprised of trifluorochloromethane and an oxidant etches non-insulating materials such as tungsten at very high etch rates when the oxidant comprises... |
| US-4,835,268 |
Luminescent cyclic hydrazides for analytical assays Disclosed herein are derivatives of 5-(lower alkyl)-7-amino-2,3-dihydro-1,4-phthalazinedione having substituents on the amino group. The derivatives have... |
| US-4,833,622 |
Intelligent chemistry management system A system (10) particularly suited for employment for purposes of effectuating the monitoring, diagnosing and controlling of the chemistry of the water and steam... |
| US-4,830,217 |
Body fluid sample collection tube assembly An assembly is provided for receiving, maintaining and storing blood samples taken from individuals some of whom may have a disease which can contaminate anyone... |
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