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| Application No. | Application Title | Issue Date |
| 20120034566 | MICRO-CHANNEL DEVICE AND METHOD FOR FABRICATING MICRO-CHANNEL DEVICE A micro-channel device provided in a solution analysis system using pressure liquid feed comprises a plurality of straight-line channels and curved channels connecting the ends of the neighboring straight-line channels. The width w of each curved channel is smaller than... | 02/09/2012 |
| 20120031174 | SOLVENT DELIVERY PUMP AND LIQUID CHROMATOGRAPH A cleaning chamber is provided in a seal holder and two cleaning chamber flow paths communicating with the cleaning chamber from outside are provided. A pipe connected to a vessel storing a mobile phase is connected to one of the cleaning chamber flow paths. A pipe as a... | 02/09/2012 |
| 20110239746 | APPARATUS FOR METHOD FOR POLYMER CHARACTERIZATION Apparatus for GPC/TREF and TREF/GPC characterization of a polymer sample. The apparatus provides for the automated and integrated use of multiple TREF columns and a GPC system employing a multiple flow through detectors. In addition, a method for TREF/GPC characterizati... | 10/06/2011 |
| 20110232373 | CHROMATOGRAPHIC SEPARATION DEVICE WITH VARIABLE LENGTH AND A METHOD FOR ITS USE The present invention enables the automatic change of the number of segments involved in a coupled chromatographic column system, without the need to physically detach and attach the individual segments. The present invention further relates to a method for performing m... | 09/29/2011 |
| 20110209532 | AUTOMATIC SAMPLER FOR LIQUID CHROMATOGRAPH A pump portion for taking in and discharging solutions includes a first plunger pump with a small capacity and a second plunger pump with a large capacity. Intake ports of both the plunger pumps are connected in parallel to a common port of a switching valve with a firs... | 09/01/2011 |
| 20110185797 | ANALYZING DEVICE AND METHOD FOR CONTROLLING SAME An analyzing device includes a feeder connected to a container in which a sample is contained for sucking the sample from the container and feeding the sample, and a controller for performing control for feeding from the feeder to a measurer. In measuring the sample, th... | 08/04/2011 |
| 20110179856 | ANALYZING DEVICE A liquid chromatography device includes a column containing a filler, an injection valve capable of introducing a sample into the column and also capable of introducing a liquid mobile phase into the column, and a mobile phase feeder for feeding the liquid mobile phase ... | 07/28/2011 |
| 20110179852 | Molecule Detection Device Formed in a Semiconductor Structure Semiconductor devices, chromatography devices and integrated circuits for detecting one or more molecules and methods for forming a semiconductor device for detecting one or more molecules are presented. For example, a semiconductor device for detecting one or more mole... | 07/28/2011 |
| 20110132077 | MULTI-WAVELENGTH LIGHT SOURCE A fluid separation system (10) for separating compounds of a sample fluid in a mobile phase comprises a detector (50) adapted to detect separated compounds by providing an optical stimulus signal to the sample fluid and receiving a response signal to the o... | 06/09/2011 |
| 20110083493 | Liquid Chromatography Detector and Flow Controller Therefor A flow controller for use with a liquid chromatography detector. The flow controller includes a flow channel comprising an inlet portion, a control channel portion in communication with the inlet portion, and an outlet portion in communication with said control channel ... | 04/14/2011 |
| 20110016950 | METHOD AND APPARATUS FOR DETECTING AND QUANTIFYING A CHEMICAL COMPOUND IN A FLUID FLOW The invention concerns a method for capturing a chemical compound, typically an impurity, and for accumulating said chemical compound on a capture mass CAPT included in at least one removable adsorbant cartridge MC over a long period exceeding 2 days, with a view to the... | 01/27/2011 |
| 20110005305 | LIQUID CHROMATOGRAPHY DETECTOR AND FLOW CONTROLLER THEREFOR A flow controller for use with a liquid chromatography detector. The flow controller includes a flow channel comprising an inlet portion, a control channel portion in communication with the inlet portion, and an outlet portion in communication with said control channel ... | 01/13/2011 |
| 20100288026 | LIQUID CHROMATOGRAPHY DETECTOR AND FLOW CONTROLLER THEREFOR A flow controller for use with a liquid chromatography detector. The flow controller includes a flow channel comprising an inlet portion, a control channel portion in communication with the inlet portion, and an outlet portion in communication with said control channel ... | 11/18/2010 |
| 20100288027 | PUMP FOR LIQUID CHROMATOGRAPH A pump device is realized, which accurately detects a flow rate of a pump, performs real-time control of the flow rate, and thus can suppress a flow rate error caused by occurrence of pulsation. Control of a pump rotation speed by a pressure sensor has low responsivenes... | 11/18/2010 |
| 20100288025 | SAMPLE INJECTOR FOR LIQUID CHROMATOGRAPHY, PARTICULARLY FOR HIGH PERFORMANCE LIQUID CHROMATOGRAPHY The invention pertains to a sample injector for liquid chromatography, particularly for high performance liquid chromatography, with a controllable injection valve (3) that features at least one waste port (12) for discharging fluid under low pressure, two... | 11/18/2010 |
| 20100281959 | SHEAR VALVE WITH DLC COMPRISING MULTI-LAYER COATED MEMBER A shear valve for use in a high performance liquid chromatography system, the shear valve comprising a first shear valve member and a second shear valve member, wherein at least one of the first and second shear valve members is adapted to be moved with respect to the o... | 11/11/2010 |
| 20100275678 | PRIMARY PISTON CORRECTION DURING TRANSFER A method for controlling operation of a pump unit, where the pump unit includes a primary piston pump having a primary piston and a secondary piston pump having a secondary piston. The primary piston pump is fluidically connected with the secondary piston pump. The prim... | 11/04/2010 |
| 20100199750 | Microfludic Analysis System and Method A microfluidic processing system having a manifold with at least one inlet; at least one outlet; and a plurality of microfluidic chip holders. A fluidic jumper is coupled to one of the chip holders and at least two fluidic elements are coupled to at least one of the chi... | 08/12/2010 |
| 20100163719 | CONVERGING-DIVERGING SUPERSONIC SHOCK DISRUPTOR FOR FLUID NEBULIZATION AND DROP FRAGMENTATION A disrupter apparatus comprises a nozzle comprising: a converging section; a diverging section; and a throat between the converging section and the diverging section. The disrupter apparatus also comprises a holder configured to receive a fluid conduit, which comprises ... | 07/01/2010 |
| 20100139376 | IC SYSTEM INCLUDING SAMPLE PRETREATMENT AND USING A SINGLE PUMP An IC system including sample preparation. The system includes a liquid sample injection loop, an ion concentrator, an ion separator, and only a single pump for pumping fluid through the system.... | 06/10/2010 |
| 20100107742 | APPARATUS AND METHODS OF FLUID CHROMATOGRAPHY The invention provides improved methods and apparatus for fluid chromatography, and is particularly appropriate to high-pressure liquid chromatography carried out using eluent flow rates less than 1 μl/minute, for example on nanoflow columns. In both single- and multi-... | 05/06/2010 |
| 20100083739 | Chromatography System with Fluid Intake Management A liquid chromatograph includes a mobile phase supplying apparatus including a plurality of liquid-feeding pumps to feed mobile phases, a plurality of liquid-feeding flow paths, a mixer to mix the mobile phases by merging the liquid-feeding flow paths, at least one cont... | 04/08/2010 |
| 20100058841 | FLOW DISTRIBUTING VALVE A rotary valve (10) for distributing a flow of a fluid is provided, the valve comprising a stator (11) and a rotor (12). Furthermore a chromatography system, comprising such a rotary valve and three different components or component groups connected... | 03/11/2010 |
| 20100024527 | SYSTEMS AND METHODS FOR HIGH-THROUGHPUT SCREENING OF FLUIDIC SAMPLES Aspects of the invention provide systems and methods for high-throughput screening of fluidic samples. In some embodiments, two chromatography columns are utilized in series. The first chromatography column can have a high affinity for phosphorylated compounds while the... | 02/04/2010 |
| 20090205409 | SOLVENT DELIVERY SYSTEM FOR LIQUID CHROMATOGRAPHY THAT MAINTAINS FLUID INTEGRITY AND PRE-FORMS GRADIENTS A solvent delivery subsystem for a chromatography device performs relatively low pressure, high flow mixing of solvents to form a gradient and subsequent high pressure, low flow delivery of the gradient to the separation column. The mixing of the gradient is independent... | 08/20/2009 |
| 20090193879 | SOLVENT DELIVERY DEVICE AND ANALYTICAL SYSTEM Disclosed herein is a stable solvent delivery device capable of delivering solvent both at high pressure and at constant flow rate. A solvent delivery device comprises a plurality of plungers which reciprocate in the respective pump chamber... | 08/06/2009 |
| 20090158820 | METHOD AND SYSTEM FOR DOWNHOLE ANALYSIS Advanced remote self-contained chromatographic systems and techniques for analyzing a mixture comprising components having a wide range of boiling points. The chromatographic systems and techniques can utilize components and techniques that allow staged, simultaneous, a... | 06/25/2009 |
| 20090151432 | Block Valve and Simulated Moving Bed Type Chromatographic Separation Apparatus Having the Same Valve A block valve of the present invention comprises; a block portion (1) comprised of a trunk fluid channel penetrating the block portion (1) and four branch fluid channels branching in pair from the trunk fluid channel, and four valve members (2) for ... | 06/18/2009 |
| 20090090174 | Precision Flow Control System A precision flow controller is capable of providing a flow rate less than 100 microliters/minute and varying the flow rate in a prescribed manner that is both predictable and reproducible where the accuracy and precision of the flowrate is less than 5% of the flow rate.... | 04/09/2009 |
| 20090050212 | METHOD AND APPARATUS FOR SAMPLE INJECTION IN LIQUID CHROMATOGRAPHY The present invention provides a method and apparatus for substantially eliminating destructive transients of pressure or flow rate which can degrade the efficiency and useful lifetime of chromatography columns. The present invention enables a substantially constant flo... | 02/26/2009 |
| 20090038381 | AUTOMATED PACKING SYSTEM AND METHOD FOR CHROMATOGRAPHY COLUMNS A column packing system comprises a control unit provided with software for monitoring the column interior pressure and/or flow through the column for use in calculating the breakpoint where a movable adapter comes into contact with a consolidated bed of bed media. The ... | 02/12/2009 |
| 20080307861 | Method For Screening Mobile Phases In Chromatography Systems A method and system of screening or selecting a mobile phase eluent for a chromatography column is provided. A sample for chromatographic analysis or purification is combined with a solvent and passed through a membrane. A pressure measurement is taken of the sample/sol... | 12/18/2008 |
| 20080245136 | Closed Loop Flow Control of a Hplc Constant Flow Pump To Enable Low-Flow Operation A method and apparatus for monitoring and controlling nano-scale flow rate of fluid in the operating flow path of a HPLC system provide fluid flow without relying on complex calibration routines to compensate for solvent compositions gradients typically used in HPLC. Th... | 10/09/2008 |
| 20080236256 | 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 swit... | 10/02/2008 |
| 20080134766 | Air Trap The invention relates to air traps 13, particularly for chromatography systems, chromatography systems using such air traps and methods of using such chromatography systems, in which the air trap comprises a liquid inlet pipe 33, a liquid outlet pipe 35... | 06/12/2008 |
| 20070295062 | MULTI-DIMENSIONAL LIQUID CHROMATOGRAPHY SEPARATION SYSTEM AND METHOD A multi-dimensional separation system having parallel traps for effluent from prior separation dimension and parallel latter separation columns, the latter columns being coupled to the traps. At least one trap enriches components of effluent while at least one other tra... | 12/27/2007 |
| 20070283746 | Sample Injector System for Liquid Chromatography An injection device (10) includes a carrier inlet (40), a sample inlet (46), waste outlet (44) and a chamber outlet (64) attached to separation column (66). Valves (52, 54, 56) are used to control flow such that sample fl... | 12/13/2007 |
| 20070283747 | PREWETTING LATERAL FLOW TEST STRIP A test strip and method for detecting an analyte present in a sample. The test strip comprising: a buffer addition zone to which a buffer may be added; an absorbent zone proximal to the buffer addition zone; one or more test zones distal to the buffer addition zone, at ... | 12/13/2007 |
| 20070251302 | FLOW PATH SWITCHING VALVE, HIGH PERFORMANCE LIQUID CHROMATOGRAPHY USING THE SAME AND ANALYTICAL METHOD THEREOF A flow path switching valve is provided, in which an impact due to the pressure change when a flow path is switched is prevented from being generated. (A) A rotor slot 1c allows an analysis infusion pump 11 to be connected to an analytical column 11/01/2007 | |
| 20070234785 | System and method for using a flexible membrane for controlling fluid flow in a microfluidic circuit A system for controlling fluid flow in a microfluidic circuit located in a liquid chromatograph includes at least one microfluidic channel and a flexible membrane adjacent the at least one microfluidic channel, wherein when actuated, the flexible membrane deflects into ... | 10/11/2007 |
