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| Number | Title | Issue Date |
| 8124033 | Apparatus for regulating the temperature of a biological and/or chemical sample and method of using the same The invention provides an apparatus for regulating the temperature of a chemical and/or biological sample and a method of using the same. The apparatus includes at least one temperature control module. The temperature control module includes a heater, a conductor of... | 02/28/2012 |
| 8039266 | Methods to radiolabel natural organic matter by reduction with hydrogen labeled reducing agents Methods to radiolabel natural organic matter by reduction with a hydrogen labeled reducing agent, and compositions, are provided. ... | 10/18/2011 |
| 7390668 | Intracorporeal medicaments for photodynamic treatment of disease New intracorporeal photodynamic medicaments and certain medical uses and methods for use of such photodynamic medicaments for treatment of disease in human or animal tissue are described, wherein a primary active component of such medicaments is a halogenated xanthe... | 06/24/2008 |
| 7256044 | Elevated pressure apparatus and method for generating a plurality of isolated effluents An apparatus and a method for rapidly generating a plurality of isolated effluents have been developed. A specific embodiment involves screening a plurality of solids through simultaneously contacting the members of the plurality with a fluid, sampling the resulting... | 08/14/2007 |
| 7255834 | Method and devices for improving the dynamic flash combustion reaction connected with gas chromatography for the elemental analysis of C H N S O A method and device are provided for dynamic flash combustion reaction connected with gas chromatography for the elemental analysis of C H N S O in an automatic elemental analyzer. A combustion reactor is provided with a sampling device and an oxygen feed line. Cont... | 08/14/2007 |
| 7228724 | Apparatus and process for sensing target gas species in semiconductor processing systems A gas detector for detecting a fluoro gas species in a gaseous environment containing same, e.g., an effluent from a semiconductor processing tool that employs corrosive fluoro species such as HF, NF3, etc. for etch cleaning. The gas detector preferably e... | 06/12/2007 |
| 7189373 | Carbon monoxide removal from reformate gas Carbon monoxide contained in reformate gas is removed by a preferential oxidation reaction in a catalyst, two preferential oxidation reactors (20A, 20B) being disposed in series. Valves (7, 8) supply air containing oxygen as an oxidizing agent i... | 03/13/2007 |
| 7188001 | System and method for temperature control A system for controlling the temperature of a reaction mixture comprises at least one heating device for heating the mixture and a power regulator for regulating the amount of power supplied to the heating device. A controller in communication with the power regulat... | 03/06/2007 |
| 7153688 | Rock assay for predicting oil or gas in target reservoirs The present invention relates to assays for ascribing catalytic activity to rock samples by virtue of zero-valent transition metals potentially being present within the sample. Embodiments of the present invention are generally directed to novel assays for measuring... | 12/26/2006 |
| 7150994 | Parallel flow process optimization reactor Parallel flow reaction systems comprising four or more reaction channels are disclosed. Distribution systems, and parallel flow reaction systems comprising such distribution systems are also disclosed. Specifically, the distribution systems comprise one or more subs... | 12/19/2006 |
| 7129092 | Apparatus and method for generating a plurality of isolated effluents An apparatus and a method for rapidly generating a plurality of isolated effluents have been developed. A specific embodiment involves screening a plurality of solids through simultaneously contacting the members of the plurality with a fluid, simultaneously samplin... | 10/31/2006 |
| 7122156 | Parallel flow reactor having variable composition Parallel flow reaction systems comprising four or more reaction channels are disclosed. Distribution systems, and parallel flow reaction systems comprising such distribution systems are also disclosed. Specifically, the distribution systems comprise a feed-compositi... | 10/17/2006 |
| 7074367 | Thermostated block with heat-regulating devices The invention concerns a thermostated block for laboratory thermostats and comprising wells at a wells side to receive and make large-area contact with the parts of vials filled with sample liquids and comprising at least two heat regulating devices contacting the t... | 07/11/2006 |
| 6978741 | Apparatus and method for measuring total dissolved solids in a steam boiler A method and apparatus for controlling the operation of a pressurized steam boiler heated by a burner. The method includes the steps of monitoring the level of total dissolved solids in water contained in the boiler, monitoring the level of water in the boiler, moni... | 12/27/2005 |
| 6952946 | Method for the gas chromatographic analysis of a sample, and analyzer In a gas chromatograph, an injected sample for analysis (3) is passed through a separation device (5) to separate components present in the sample; at the end of the separation device, selected components are detected by a detector (12) and dete... | 10/11/2005 |
| 6953487 | Metallic gas cells and method for manufacturing the same A metallic gas cell including a metallic casing having an input open end and an output open end, and a opening located therebetween. The metallic gas cell also includes an input and an output optical modules, each being respectively hermetically attached to one of t... | 10/11/2005 |
| 6916664 | Flammable vapor sensor A method and apparatus for sensing a flammable vapor are described herein. Initially, a first thermal conductivity of a vapor at a first temperature and a second thermal conductivity of the vapor at a second temperature can be determined. Thereafter, a ratio of the ... | 07/12/2005 |
| 6903281 | Method and apparatus for reducing error when measuring minute quantities of weight The invention relates to an instrument and method for measuring minute quantities of weight, including a pan for holding a sample to be weighed, a chamber for forming an enclosure about the pan, and a hang-down wire coupled to the pan for suspending the pan within t... | 06/07/2005 |
| 6884997 | Method and apparatus for detecting dangerous substances and substances of interest A dangerous substance detecting apparatus comprises an oven for accommodating a wiping member stuck with a sample derived from a dangerous substance, a light source for emitting infrared rays for heating the sample, an ion source for ionizing the sample evaporated i... | 04/26/2005 |
| 6872570 | Laboratory method for tempering reaction samples A laboratory device for jointly tempering reaction samples in at least two steps in respectively assigned, specified temperature ranges, which are carried out repeatedly and consecutively as sequences of steps, the laboratory tempering device, in one step of the seq... | 03/29/2005 |
| 6803237 | Sequential processing reaction vessel for chemical fractionation and analysis A sequential processing reactor vessel and method is disclosed for accelerated extraction and fractionation of chemical analytes from complex solid sample materials. The device and method provide for sequential extraction of elemental constituents from solid materia... | 10/12/2004 |
| 6767512 | Temperature-regulating block with temperature-regulating devices The invention concerns a thermostated block for laboratory thermostats and comprising wells at a wells side to receive and make large-area contact with the parts of vials filled with sample liquids and comprising at least two heat regulating devices contact the ther... | 07/27/2004 |
| 6627451 | Process and device for measuring combustion heat in a calorimetric bomb A water bath accommodating a calorimetric bomb (2) for measuring the combustion heat of substances with the aid of a calorimeter. The inner tank (3) is enclosed by an outer container (5) forming a water jacket and is shielded from the environment. If seve... | 09/30/2003 |
| 6607920 | Attenuator system for microwave-assisted chemical synthesis An instrument for microwave-assisted chemical processes is disclosed that provides greater flexibility in carrying out microwave-assisted chemistry under varying conditions. The instrument includes a source of microwave radiation, and a cavity in communic... | 08/19/2003 |
| 6573105 | Test method and control method for coating liquid for electrophotographic photoconductor A test method for a coating liquid for an electrophotographic photoconductor includes calculating a peak area ratio of a component to be analyzed in a coating liquid by pyrolysis gas chromatography, and comparing the peak area ratio with a pre-obtained pe... | 06/03/2003 |
| 6516654 | Apparatus and method for analyzing particulate matter in gas and apparatus and method for carbon differentiating The present invention provides a method for analyzing particulate matter in a gas for analyzing simply and with high precision the particulate matter in an engine emission and an apparatus therefor by which dry soot, SOF and sulfate in PM contained in an ... | 02/11/2003 |
| 6464391 | Heat release rate calorimeter for milligram samples A calorimeter that measures heat release rates of very small samples (on the order of one to 10 milligrams) without the need to separately and simultaneously measure the mass loss rate of the sample and the heat of combustion of the fuel gases produced du... | 10/15/2002 |
| 6455317 | Method of controlling a chemical process by microwave radiation A system and method for controlling a microwave heated chemical process is disclosed. Time varying concentrations of some chemical substances within fumes in the microwave oven are monitored to detect concentration variations for which responses are known... | 09/24/2002 |
| 6440746 | Method and apparatus for analyzing asphalt content An apparatus for pyrolysis of a bituminous paving mix is provided, comprising an oven having a bottom wall, a top wall, and side walls defining a combustion chamber, a sample support within the combustion chamber, an infrared heater mounted within the ove... | 08/27/2002 |
| 6436718 | Apparatus and method for determining weight loss of a heated material The present invention provides a method and apparatus for accurately determining weight loss of a sample during heating in a furnace. The method includes the steps of placing a sample in a heated furnace, heating the sample while measurements of sample we... | 08/20/2002 |
| 6417004 | Enhancing clot detection in activated clotting time and other fibrin endpoint based tests The present invention is directed to a method and apparatus for detection of a diagnostically significant amount of clot in an aliquot of blood. In a preferred embodiment, the method uses a cocktail of activators to facilitate and proctor absolute activat... | 07/09/2002 |
| 6413781 | Thermophoretic pump and concentrator The method and apparatus of the invention create a dynamic Soret effect for propelling a target chemical constituent along a pathway. A moving temperature profile impressed upon the pathway produces consecutive alternating warmer and cooler zones along th... | 07/02/2002 |
| 6406918 | Thermal analysis for detection and identification of explosives and other controlled substances The invention features methods and systems for detecting the presence of an energetic material in a sample in which the presence of the energetic material is unknown. The method includes the steps of: heating the sample; measuring heat flow between the sa... | 06/18/2002 |
| 6346290 | Combinatorial synthesis of novel materials Methods and apparatus for the preparation and use of a substrate having an array of diverse materials in predefined regions thereon. A substrate having an array of diverse materials thereon is generally prepared by delivering components of materials to pr... | 02/12/2002 |
| 6277649 | Recirculation analysis apparatus and method A system for analysis of materials includes a sensor loop (100). The sensor loop includes sensors (130) therein. The sensor loop includes traps (120, 140). Sample material is desorbed from a first trap, moved past the sensors and collected in the second t... | 08/21/2001 |
| 6254828 | Fluid cell substance analysis and calibration methods Gases flow to individual gas analysis cells. The cells are sequentially aligned with an infrared detector, which senses the composition and quantities of the gas components. Each elongated cell is tapered inward toward the center from cell windows at the ... | 07/03/2001 |
| 6207462 | Microwave apparatus and method for analysis of asphalt-aggregate compositions A method and apparatus are disclosed for analyzing the aggregate content of asphalt-aggregate compositions. The method includes placing a preheated, preweighed container carrying a sample of an asphalt-aggregate composition into a preheated furnace with t... | 03/27/2001 |
| 6193413 | System and method for an improved calorimeter for determining thermodynamic properties of chemical and biological reactions A system and method for an improved calorimeter for determining thermodynamic properties of biological and chemical reactions. A microcalorimeter device comprises a thin amorphous membrane anchored to a frame. Thermometers and heaters are placed on one si... | 02/27/2001 |
| 6190917 | Microwave apparatus and method for analysis of asphalt-aggregate compositions A method and apparatus are disclosed for analyzing asphalt-aggregate compositions. The method includes directing sufficient microwave radiation from a microwave source to a sample of an asphalt-aggregate composition to ignite the asphalt in the compositio... | 02/20/2001 |
| 6150119 | Optimized high-throughput analytical system Throughput rates for microfluidic serial analysis systems are optimized by maximizing the proximity and speed with which multiple different samples may be serially introduced into a microfluidic channel network. Devices are included that include optimized... | 11/21/2000 |
