| Patents for G01N 30 - Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography (41,194) |
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| 08/02/1994 | US5334837 Micro analytical method, sampling plate used in same, method of detecting organic compound by use of said micro analytical method, apparatus for same and method of dividing for micro-liquid flow |
| 08/02/1994 | US5334311 Resolution of optical isomers |
| 08/02/1994 | US5334310 Column with macroporous polymer media |
| 08/02/1994 | CA1331254C Ion-exchange composition employing resin attachment to dispersant and method for forming the same |
| 07/28/1994 | DE4402081A1 Chromatographic separation column |
| 07/27/1994 | EP0608120A2 Capillary electrophoresis flow control system |
| 07/27/1994 | EP0607998A2 Chromatographic adsorbent particles, methods of their preparation, and their use as a solid phase matrix in a fluid bed reactor |
| 07/27/1994 | EP0607486A1 Method and apparatus for injecting liquid into a capillary tube |
| 07/27/1994 | EP0607348A1 Apparatus and method for aligning capillary column and detection optics |
| 07/27/1994 | EP0607327A1 Covalently reactive particles incorporated in a continuous porous matrix |
| 07/27/1994 | EP0607185A1 Particle-loaded nonwoven fibrous article for separations and purifications |
| 07/27/1994 | EP0560863B1 Dipping tube for separators of mixed substances |
| 07/27/1994 | EP0502998A4 Explosive detection screening system |
| 07/27/1994 | CN2172871Y On-line gas-liquid separator of liquid phase chromatograph |
| 07/26/1994 | US5332551 Atomic oxygen reactor having at least one sidearm conduit |
| 07/26/1994 | US5332504 pH-zone-refining countercurrent chromatography |
| 07/21/1994 | WO1994016322A1 Method of measuring content of polycyclic aromatic compound in lanolin and removal thereof |
| 07/21/1994 | WO1994016313A2 Method and device for assessing the suitability of biopolymers |
| 07/21/1994 | WO1994016309A1 A high efficiency fluorescence flow cell |
| 07/21/1994 | WO1994015951A1 Affinity purification by the use of a complexed ligand |
| 07/21/1994 | DE4301401A1 Chromatography separation column identification |
| 07/20/1994 | EP0606980A2 Liquid chromatography system |
| 07/20/1994 | EP0606960A1 Filter with quick-change coupling for cleaning gases |
| 07/20/1994 | EP0606616A1 Hydrophobic absorbents and their use for lipoproteins adsorption |
| 07/19/1994 | US5331160 Particle-beam generator for LC/MS interface |
| 07/19/1994 | US5331159 Combined electrospray/particle beam liquid chromatography/mass spectrometer |
| 07/19/1994 | US5330714 Process and apparatus for simultaneous measurement of sulfur and non-sulfur containing compounds |
| 07/19/1994 | US5329965 Hybrid valving system for varying fluid flow rate |
| 07/16/1994 | CA2113516A1 Filter with quick-change coupling for cleaning gases |
| 07/13/1994 | EP0605714A1 Electrochemical pretreatment system for liquid sample analysis |
| 07/12/1994 | US5328851 High-throughput liquid-absorption preconcentrator sampling methods |
| 07/12/1994 | US5328758 Particle-loaded nonwoven fibrous article for separations and purifications |
| 07/10/1994 | CA2113063A1 Hydrophobic adsorbents and their use for the adsorption of lipoproteins |
| 07/07/1994 | WO1994015209A1 Siloxanediol coating for capillary electrophoresis and for general surface modification |
| 07/07/1994 | EP0619020A4 Determination of tricyclic antidepressant drugs in the presence of interfering substances. |
| 07/07/1994 | DE4244474A1 HPLC micro-column for high-pressure liquid chromatography |
| 07/06/1994 | EP0581881A4 Method for analyte classification by sc profiles |
| 07/06/1994 | EP0404934B1 A method of preparing samples for mass analysis by desorption from a frozen solution |
| 07/05/1994 | US5325880 Shape memory alloy film actuated microvalve |
| 07/05/1994 | US5325730 Thin film sampler for film composition quantitative analysis |
| 07/05/1994 | US5325704 Surface acoustic wave (SAW) chemical multi-sensor array |
| 06/30/1994 | DE4316375C1 Gas chromatography in which sample is absorbed in inlet evaporation tube |
| 06/29/1994 | EP0604018A1 Connector having a tapered inner bore for capillary tubes |
| 06/29/1994 | EP0523092B1 Method and device for solid phase microextraction and desorption |
| 06/28/1994 | US5324752 Ion-exchange composition employing resin attachment to dispersant and method for forming the same |
| 06/28/1994 | US5324750 Coagulation of powdered catalyst; separation |
| 06/28/1994 | US5324480 Multiple lumens along length of probe; multiple seal heads; cylindrical splash guard |
| 06/28/1994 | US5324427 Coupling arrangement for chromatography columns |
| 06/28/1994 | US5324426 Chromatography column |
| 06/25/1994 | CA2110537A1 Connector for capillary tubes having a tapered inner bore |
| 06/22/1994 | EP0602924A2 Gas chromatographic method and apparatus |
| 06/22/1994 | EP0602154A1 Selective affinity material, preparation thereof by molecular imprinting, and use of the same |
| 06/21/1994 | US5322799 Observation cell and mixing chamber |
| 06/21/1994 | US5322795 HPLC assay for the selective resolution of recombinant proteins |
| 06/21/1994 | US5322627 High efficiency packed column supercritical fluid chromatography |
| 06/21/1994 | US5322626 Decoupled flow and pressure setpoints in an extraction instrument using compressible fluids |
| 06/21/1994 | US5322608 A coupling graft polymer sandwiched between a crosslinked polysiloxane sublayer and toplayer; stability, chemical resistance |
| 06/15/1994 | EP0601275A2 Methods and apparatus for automatically adding fluid reagents to sample containers |
| 06/15/1994 | EP0600929A1 Reversible flow chromatographic binding assay |
| 06/14/1994 | US5320811 Thin layer chromatography direct sample application manifold |
| 06/14/1994 | US5319955 Tritium monitor |
| 06/09/1994 | WO1994012275A1 Chiral adsorbents and preparation thereof as well as compounds on which the adsorbents are based and preparation of these compounds |
| 06/08/1994 | EP0600213A1 Field portable liquid chromatographic system |
| 06/08/1994 | EP0599957A1 Process for the continuous separation of mixtures of microscopically small dielectric particles and device for implementing the process. |
| 06/08/1994 | EP0571487A4 Automated bubble trap |
| 06/07/1994 | US5318751 UV radiation source of wavelength to produce photo-product complex; detector |
| 06/07/1994 | US5318680 Introducing separation medium into capillary, providing sample through inlet end, providing reactive substance to render sample detectable, applying voltage to cause migration and separation, detecting labelled component |
| 06/07/1994 | US5317932 Sample probe |
| 06/07/1994 | CA1330074C Separating materials |
| 06/07/1994 | CA1330073C Composite chromatographic article |
| 06/01/1994 | EP0598968A1 Interferometric apparatus for monitoring changes of the refractive index of fluid samples in capillary tubes |
| 06/01/1994 | EP0483143B1 Membrane affinity apparatus and purification methods related thereto |
| 05/31/1994 | US5317271 Charged particle detector |
| 05/31/1994 | US5317159 Method of using an electron capture type detector |
| 05/31/1994 | US5316680 Porous material for elution |
| 05/31/1994 | US5316630 Normalizing variabilities between chromatograms of standard and sample chromatography runs |
| 05/31/1994 | US5316179 System for dispensing a known volume of fluid |
| 05/26/1994 | WO1994011305A1 Separation of nucleic acid fragments |
| 05/25/1994 | CN1087173A Reversed phase chromatographic column specially for amino-acid and ultraviolet absorption quantitative determination process therefor |
| 05/24/1994 | US5314857 Microporous structure with layered interstitial surface treatment, and method and apparatus for preparation thereof |
| 05/24/1994 | US5314827 Isotopic composition analyzer |
| 05/19/1994 | DE4238781A1 Measurement of molecular weight etc. of polymers etc. using light scatter method - whereby sample is passed to photometer via micro-capillary so that there is delay between the arrival of large and small molecules at detector |
| 05/18/1994 | EP0597602A1 Gas chromatography system with column bifurcation and tunable selectivity |
| 05/18/1994 | EP0597552A1 An improved method of and a capillary flow cell for analysing fluid samples |
| 05/18/1994 | EP0597152A1 Optimizing capillary flow cells |
| 05/18/1994 | CN2165445Y Multipurpose chromatography tank |
| 05/17/1994 | US5313061 Miniaturized mass spectrometer system |
| 05/17/1994 | US5312756 Total organic carbon (TOC) and total inorganic carbon (TIC) calibration system |
| 05/11/1994 | WO1994010552A1 Process and device for the differential measurement of refraction indexes and use thereof |
| 05/11/1994 | WO1994009879A1 A liquid chromatographic system |
| 05/11/1994 | EP0596321A2 Process of unidimensional separation and identification of glycanes, the use of this process for the construction of databanks, the structure characterization of glycans and the relative determination of the Stokes radius of glycanes |
| 05/11/1994 | EP0596205A2 Bench supervisor system |
| 05/11/1994 | EP0596104A1 Diagnostic devices and apparatus for the controlled movement of reagents without membranes |
| 05/11/1994 | CA2148379A1 A liquid chromatographic system |
| 05/10/1994 | US5311444 Absorbance analyzer and data processing method for chromatograph |
| 05/10/1994 | US5310885 Process for immobilizing a protein containing substance on a solid phase |
| 05/10/1994 | US5310688 Method and apparatus for eluting proteins in affinity membrane process |
| 05/10/1994 | US5310685 Apparatus for delivering a calibration standard |
| 05/10/1994 | US5310683 Combustion to produce sulfur monoxide, ionic species and other products; electroconductivity and chemiluminescence measured |
| 05/10/1994 | US5310682 Fluorescence |