Quotables
"This is the patent age of new inventions for killing bodies, and for saving souls. All propagated with the best intentions."
Lord Byron ;
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8061187 | Lossless droplet transfer of droplet-based microfluidic analysis A transfer structure for droplet-based microfluidic analysis is characterized by a first conduit containing a first stream having at least one immiscible droplet of aqueous material and a second conduit containing a second stream comprising an aqueous fluid. The int... | 11/22/2011 |
| 8011228 | Method for the detection of lateral flow assay and strip and laser-induced epifluorescence and compact scanner therefor Disclosed is a lateral flow quantitative assay method capable of quantitatively determining the concentration and analyzing the spatial distribution of a disease marker by employing the principle of the laser-induced fluorescence detection technique, which is based ... | 09/06/2011 |
| 7992428 | Method and device for ingredient analysis A method for ingredient analysis includes the steps of: providing a database, which stores a plurality of standard ingredient data; analyzing a sample to obtain a plurality of inspection data via a high performance liquid chromatography (HPLC) method; and respective... | 08/09/2011 |
| 7958774 | Device and method for sample preparation A system and method for sample preparation and/or sample enrichment are provided. The system comprises the following components: a first switch element with a switch element input and at least two mutually exclusive switch element outputs and a second corresponding ... | 06/14/2011 |
| 7886581 | Oil-based ink composition for ink jet recording and method for inspecting it The invention provides an oil-based ink composition for ink jet recording, which is best suited for printing onto polyvinyl chloride substrates, and improved in terms of both the stabilities of ink on storage and jetting, and a method for inspecting the same. The oi... | 02/15/2011 |
| 7797988 | Liquid chromatography-mass spectrometry A liquid chromatography/mass spectrometry system includes a chromatographic column through which an effluent passes, wherein the effluent comprises a plurality of analytes that correspond to a plurality of chromatographic peaks and an eluent; a post-column splitter ... | 09/21/2010 |
| 7752896 | Specimen pretreating device and probe used therefor A specimen pretreating device which includes a micro scale or nano scale high-performance liquid chromatograph having a capillary column (2), a probe (1) integrally formed at the tip of the capillary column (2), and an additive feeding flow pass... | 07/13/2010 |
| 7555937 | Sample injection device, sample injection method, and liquid chromatograph The present invention relates to a sample injection device, a sample injection method, and a liquid chromatograph that control the flow of a mobile phase using a switching valve. The sample injection device includes a port connected to a separation column, a pump fo... | 07/07/2009 |
| 7540184 | Analyzing method for coloring material composition It is an object of the present invention to provide a method capable of easily identifying a coloring material composition. The method performs a chromatography step of loading a subject sample containing the coloring material composition to a chromatography apparat... | 06/02/2009 |
| 7526947 | Automatic sample introduction apparatus A function of automatically performing a pretreatment process on a sample is provided in an auto sampler of a total volume injection method that can realize high measurement accuracy even when an amount of the sample is small. A multi-port valve and a multi-position... | 05/05/2009 |
| 7500386 | Sample injection apparatus and liquid chromatography apparatus having the sample injection apparatus A sample injection apparatus and a liquid chromatography apparatus including the sample injection apparatus are provided. The sample injection apparatus includes a sampling vessel into which a sample is supplied, a sampling needle for aspirating and ejecting the sam... | 03/10/2009 |
| 7402283 | Electrolytic eluent generator and method of use An acid or base is generated in an aqueous solution by the steps of: (a) providing a source of first ions adjacent an aqueous liquid in a first acid or base generation zone, separated by a first barrier (e.g., anion exchange membra... | 07/22/2008 |
| 7390390 | Capillary array electrophoretic device and auto sampler used for the device A capillary array electrophoretic device capable of securing a sample plate array and a buffer container three dimensionally on a tray of an autosampler. A tray (700) is provided with a guide groove (701) and a stopper (702) corresponding to gui... | 06/24/2008 |
| 7337654 | Method of forming a needle for auto-sampler In a method of forming a needle for an auto-sampler successively collecting liquid samples from plural sample containers, a parent material forming the needle is coated with a coating material having a chemical activity small than that of the needle. Then, the coate... | 03/04/2008 |
| 7325439 | Fluid permeability measurement system and method A system for measuring the permeance of a material. The permeability of the material may also be derived. The system provides a liquid or high concentration fluid bath on one side of a material test sample, and a gas flow across the opposing side of the material tes... | 02/05/2008 |
| 7281435 | Measurement of non-aqueous phase liquid flow in porous media by tracer dilution A method and apparatus for measuring in situ flow of non-aqueous phase liquids (NAPLs) through a porous medium is described. A tracer is introduced into a well or boring located in the medium and the tracer concentration in the well kept uniform by mixing. The rate ... | 10/16/2007 |
| 7247495 | Mass spectrometer method and apparatus for analyzing a sample in a solution The invention provides a mass spectrometric method for analyzing a sample in a solution, including the steps of directing a flow of a solution containing sample compounds to be analyzed towards a supersonic nozzle having an input end and an output end; vaporizing th... | 07/24/2007 |
| 7246013 | Data processor for use in chromatographic analysis A data processor for analyzing chromatograms in detail and collecting analysis-associated information necessary for verification of data validity throughout an analysis process. The data processor includes a first data collecting section which collects and records a... | 07/17/2007 |
| 7231819 | Chemical sensor for wellbore applications There is described an analyzing device having two separation units to separate molecular species to detect molecular species in wellbore fluids with both separation units operating under forced flow conditions to provide for an active separation of subterranean well... | 06/19/2007 |
| 7213615 | Rotating valve The rotating valve for high performance liquid chromatography (HPLC) has a stator with connections for the solvent reservoirs, pumps, chromatography columns etc. and a disc-shaped rotor with connecting grooves on the front face for selectively connecting different c... | 05/08/2007 |
| 7186384 | Sample entry device for delivering medical samples to an analyzer The invention relates to a sample entry device for delivering medical samples, preferably blood samples, from diverse sample containers to an analyzer, wherein sample transfer between sample intake and measuring cells of the analyzer taking place via gas-tight sampl... | 03/06/2007 |
| 7157056 | Sample introduction device A sample introduction device is provided that is particularly useful in the critical care environment for the anaerobic withdrawal of small volumes of arterial blood from a sample collection syringe and introduction thereof into a sample chamber of a sensor for anal... | 01/02/2007 |
| 7153692 | Diagnostic methods for determining susceptibility to convulsive conditions The present invention exploits the discovery that amounts of uracil and thymine metabolites, especially β-aminoisobutyric acid, in various bodily fluids, especially urine, are correlated with the occurrence of epilepsy when compared to matched control subjects. Ana... | 12/26/2006 |
| 7144443 | Axial transfer line degassing An elongated flow-through degassing apparatus includes an elongated gas and liquid impermeable outer tube and one or more gas-permeable, liquid-impermeable elongated inner tubes extending within the outer tube and at least partially through a chamber defined within ... | 12/05/2006 |
| 7117723 | Fractionating apparatus A proximity sensor for measuring a distance between a probe and a sample plate is provided a sideway of the probe. The sample plate is mounted on a stage and moved vertically and horizontally. The stage is connected to a control unit for controlling the movement of ... | 10/10/2006 |
| 7091044 | Partial modulation via pulsed flow modulator for comprehensive two-dimensional liquid or gas chromatography This invention is a method and device for use with multi-dimensional chromatography that utilizes partial modulation. An analyte-bearing sample is subjected to a first dimension of chromatography. Thereafter the separated analyte-bearing sample is diluted with a mod... | 08/15/2006 |
| 7089785 | Method to assay sacrificial light absorbing materials and spin on glass materials for chemical origin of defectivity Numerous embodiments of a method to assay sacrificial material are disclosed. In one embodiment, a sacrificial material may be analyzed by high performance liquid chromatography. Chemical markers that correlate with material contaminants in the sacrificial material ... | 08/15/2006 |
| 7048517 | Pump as a pressure source for supercritical fluid chromatography The invention is a device and method in a high-pressure chromatography system, such as a supercritical fluid chromatography (SFC) system, that uses a pump as a pressure source for precision pumping of a compressible fluid. The preferred exemplary embodiment comprise... | 05/23/2006 |
| 7028537 | Coupling electrochemistry to mass spectrometry and high performance liquid chromatography A hyphenated technique based on the combination of high performance liquid chromatography (HPLC), electrochemical (coulometric) oxidation (EC) and electrospray ionization (ESI)- or atmospheric pressure chemical ionization (APCI)-mass spectrometry (MS), allows access... | 04/18/2006 |
| 6989129 | Automated capillary liquid chromatography small volume analysis system A system for automatically performing liquid chromatography analysis of low volume liquid chemical samples at nanosecond flow rates using an analysis column that integrates a pre-concentration trapping column and a chromatography separation column terminating at an ... | 01/24/2006 |
| 6976383 | Apparatus for high temperature withdrawal or dispensing of fluids Rapid characterization and screening of polymer samples to determine average molecular weight, molecular weight distribution and other properties is disclosed. Rapid flow characterization systems and methods, including liquid chromatography and flow-injection analys... | 12/20/2005 |
| 6949132 | Axial degassing transfer lines An elongated flow-through vacuum degassing apparatus includes an elongated gas and liquid impermeable outer tube and one or more gas-permeable, liquid-impermeable elongated inner tubes extending coaxially within the outer tube. The degassing apparatus further includ... | 09/27/2005 |
| 6944549 | Method and apparatus for automated detection of peaks in spectroscopic data A method and apparatus are provided for identifying peaks in spectral data. A method in accordance with some embodiments includes sorting the spectral data by spectral parameter values; detecting peaks in the data; integrating peak areas; identifying any coeluting p... | 09/13/2005 |
| 6941825 | Analytical devices based on diffusion boundary layer calibration and quantitative sorption A method and device for determining the concentration of analytes in a sample. The device has a surface with an extraction coating thereon. The method is carried out while the sample is highly agitated to maintain a substantially constant boundary layer. The sample ... | 09/13/2005 |
| 6918309 | Sample deposition method and system A method and system to deposit rapidly, accurately and efficiently liquid droplets onto a sample plate. A liquid from which the droplet is formed contains sample molecules, matrix molecules or a mixture of both sample and matrix molecules. A sample plate is position... | 07/19/2005 |
| 6880576 | Microfluidic devices for methods development Microfluidic devices with multiple fluid process regions for subjecting similar samples to different process conditions in parallel are provided. One or more common fluid inputs may be provided to minimize the number of external fluid supply components. Solid materi... | 04/19/2005 |
| 6874354 | Sample injection valve for high-performance liquid chromatography (HPLC) devices The sample injection valve for high-performance liquid chromatography (HPLC) devices comprises a stator with inlets for the sample and the mobile phase, outlets leading to the chromatography column and to a waste collector, as well as connections for both ends of a ... | 04/05/2005 |
| 6860137 | Liquid transfer device, control method of liquid mixing ratio thereof and liquid chromatograph with liquid transfer device In obtaining an accurate mixing ratio of a liquid mixture, an actual mixing ratio of at least two different liquids mixed together is obtained, wherein the two kinds of liquids have a predetermined mixing ratio and are mixed by setting switching valves for the liqui... | 03/01/2005 |
| 6851299 | Measuring apparatus of component contained in test water A measuring apparatus of a component contained in test water according to the invention can prevent a test water feed nozzle from clogging up and smoothly feed air into a combustion furnace, and further, can accurately measure in a short time carbon dioxide gas obta... | 02/08/2005 |
| 6808933 | Methods of enhancing confidence in assays for analytes Methods are disclosed for enhancing the confidence index in detecting the presence and/or amount of an analyte suspected of being in a sample. In the method, a combination of at least two predetermined derivatives of the analyte is subjected to chromatographic separ... | 10/26/2004 |
