| 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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| 09/16/1987 | EP0236957A2 Heated automatic sampler |
| 09/15/1987 | CA1226977A1 Method of detecting radioactive substance |
| 09/10/1987 | EP0203163A4 Affinity chromatography using dried calcium alginate-magnetite separation media in a magnetically stabilized fluidized bed. |
| 09/08/1987 | US4692243 Column for liquid chromatography |
| 09/02/1987 | EP0234857A2 Improved chromatographic method for determining fouling tendency of liquid hydrocarbons |
| 09/02/1987 | EP0234471A2 Chromatographic pre-column |
| 09/02/1987 | EP0234129A2 Bonded phase of silica for solid phase extraction |
| 09/02/1987 | EP0234025A2 Solvent delivery system |
| 09/02/1987 | EP0233973A1 Mixture of amino acid derivatives, process of producing the mixture and use of the mixture for quantitative determination of the amino acids |
| 09/02/1987 | CN86206448U Group valve for adjusting the supply of carrier gas or auxiliary gas to gas-phase chromatograph |
| 09/02/1987 | CN86100091A Ion exchange chromatography and instrument thereof for anion analysis |
| 09/01/1987 | US4690750 Micro-porous superlattice separations |
| 09/01/1987 | US4690437 Low pressure fitting |
| 09/01/1987 | CA1226249A1 Narrow bore microparticulate column packing system for chromatography |
| 08/27/1987 | DE3605518A1 Measuring cell for spectrometry and method for measuring the absorption or emission of a sample in the tube interior of this measuring cell |
| 08/26/1987 | EP0233620A2 Use of an adsorbent for purification of blood coagulation factor VIII |
| 08/26/1987 | CN86202987U Permeability pool with constant temp. channel |
| 08/25/1987 | USRE32482 Connector for liquid chromatography devices |
| 08/25/1987 | US4689574 Electron impact ion source for trace analysis |
| 08/25/1987 | US4688936 Matrix isolation apparatus with extended sample collection capability |
| 08/25/1987 | US4688436 Automatic pressurized fluid micro-sampling and injection device |
| 08/19/1987 | EP0232875A2 Method for removing lipoproteins using an adsorbent |
| 08/19/1987 | EP0232581A1 Capillary switch-valve |
| 08/19/1987 | EP0232382A1 Chemical analysis by controlled sample modulation and detection correlation |
| 08/19/1987 | EP0071645B1 Double beam photometer for measuring fluid samples |
| 08/18/1987 | US4687929 Monodisperse aerosol generator |
| 08/18/1987 | US4686752 Method of forming slots in a material-retaining plate for a packed column reactor in an analytical instrument |
| 08/12/1987 | EP0231684A1 Chromatography columns with cast porous plugs and methods of fabricating same |
| 08/12/1987 | EP0231566A1 Improvements in and relating to liquid chromatography |
| 08/12/1987 | CN86203547U Centrifuge counter cuwent chromatograph with revoluting sealed end |
| 08/11/1987 | US4686269 Styrene-divinylbenzene type copolymers, catalytic suspension polymerization |
| 08/05/1987 | EP0231093A2 An organopolysiloxane gel and an immobilized enzyme supported thereon |
| 08/05/1987 | EP0230899A2 Thin channel split flow process and apparatus for particle fractionation |
| 08/05/1987 | CN86207450U Single-pole mass spectrometer with eccentric structure |
| 08/04/1987 | US4684807 Flow contoured electron capture detector cell |
| 08/04/1987 | US4684465 Supercritical fluid chromatograph with pneumatically controlled pump |
| 07/29/1987 | EP0230307A2 Ion chromatography method and apparatus |
| 07/28/1987 | US4683042 Electrophoresis and chromatography |
| 07/22/1987 | EP0229517A1 Drug abuse test paper and methods |
| 07/22/1987 | EP0229479A1 An apparatus for and a method of processing a solvent containing a solute |
| 07/21/1987 | US4682027 Method and apparatus for sample confirmation in gas chromatography |
| 07/21/1987 | US4681678 For analyzing a process stream |
| 07/21/1987 | US4681513 Two-stage pump assembly |
| 07/15/1987 | EP0228628A2 Precision dosing pump for liquids, especially for use in HPLC technology |
| 07/15/1987 | CN86107584A Calcium-phosphate type hydroxyapatite for chromatographic separation and process for producing same |
| 07/14/1987 | US4680472 Process and apparatus for the stabilization of measuring results furnished by an "electron capture" detector with identification of anomalies affecting the detector |
| 07/14/1987 | US4679428 Independent analysis of anions and cations using indirect photometric chromatography |
| 07/09/1987 | DE3600343A1 Fine-dosing pump for liquids, in particular for use in HPLC technology |
| 07/09/1987 | DE3600342A1 Fine-dosing pump for liquids, in particular for use in HPLC technology |
| 07/07/1987 | US4678917 Instantaneous reading multichannel polychromatic spectrophotometer method and apparatus |
| 07/07/1987 | US4678570 Planar centrifugal chromatography device |
| 07/07/1987 | CA1223859A1 Surface-grafted particulate support, process for its preparation and adsorbants for affinity chromatography incorporating such support, and their use, particularly in biology |
| 07/02/1987 | WO1987003961A1 Drug abuse test paper and methods |
| 07/02/1987 | WO1987003780A1 Method and composition for regulating the flowering of plants |
| 07/01/1987 | EP0227281A2 Electrochemical testing system |
| 07/01/1987 | EP0227192A2 Method for determining the amount of oil in a sponge core |
| 06/30/1987 | US4677027 Coating a metal particle with a chelating compound and then a polymer; separation and purification of biological macromolecules |
| 06/30/1987 | US4676898 Chromatography column using horizontal flow |
| 06/30/1987 | US4676897 Dissolution phenomenon ionized micells and capillary electrophoresis |
| 06/30/1987 | CA1223642A1 Indirect-photometric chromatography done in and with a variable capacity weakly basic or acidic ion exchange column |
| 06/30/1987 | CA1223461A1 Method and apparatus for the introduction of a vapourized sample into an analytical test apparatus |
| 06/29/1987 | EP0203095A4 Process of preparing polyamide supports capable of reaction with antibodies and enzymes and supports produced thereby. |
| 06/24/1987 | EP0226570A2 Measuring device and tube connection with method of producing the same |
| 06/24/1987 | EP0226438A2 Graded refractory cermet article |
| 06/23/1987 | US4675105 System for obtaining a homogeneous absorbent bed in a chromatographic column |
| 06/23/1987 | US4675104 Chromatography column |
| 06/23/1987 | US4674323 Self-diagnostic gel permeation/size exclusion chromatograph |
| 06/16/1987 | US4673734 Porous mineral support coated with an aminated polysaccharide polymer |
| 06/16/1987 | US4673512 Using acoustic response to ultrasonic vibration |
| 06/16/1987 | EP0225779A2 Injection device and liquid sample analyser |
| 06/16/1987 | EP0225535A2 Cross-linked copolymers in pearl form containing epoxy and basic amino groups, process for their preparation and their use |
| 06/10/1987 | EP0225115A2 Automatic on-line chemistry monitoring system having improved calibration unit |
| 06/09/1987 | US4672322 High sensitivity conductivity detector |
| 06/09/1987 | US4672042 Eluant containing molecules in equilibrium with their ions |
| 06/09/1987 | US4671871 Edges sealed with polymer film and holed at solvent inlet |
| 06/09/1987 | US4671870 High-speed, efficient separation |
| 06/09/1987 | US4671103 Method for determining crude oil fouling by high performance liquid chromatography |
| 06/03/1987 | EP0224368A2 Method for producing purified terephthalic acid |
| 06/02/1987 | US4670405 Calibration pattern of electrical response from multi-sensors |
| 06/02/1987 | US4670400 Determination of monomer conversion by headspace analysis |
| 06/02/1987 | US4670303 Porous hollow particles filled with organic substance |
| 06/02/1987 | US4670220 Sample valve for solute modulated synchronous detection |
| 06/02/1987 | US4670141 Modular structure |
| 06/02/1987 | US4670138 Apparatus for controlling an infinitesimal flow rate of fluid |
| 06/02/1987 | US4669756 Zero dead volume connector |
| 06/02/1987 | US4669502 Mobile phase selector device for a chromatographic apparatus |
| 06/02/1987 | CA1222578A1 Mass spectrometers |
| 06/02/1987 | CA1222500A1 Diphenylamine coated sorbent sampling cartridges for the determination of no.sub.2 in air |
| 05/27/1987 | EP0223758A2 Apparatus for manipulating small volumes of liquid |
| 05/27/1987 | EP0222921A1 Apparatus for preventing pulsating current for liquid chromatography and method therefor |
| 05/27/1987 | EP0110927B1 Method and device for analyzing effluents for the detection of peaks |
| 05/27/1987 | CN86106689A Spherical sio2 particles |
| 05/26/1987 | US4668397 Cyclodimerization, tetrapeptides |
| 05/26/1987 | US4668091 Arrangement at a gas flow through cell for spectrophotometric analysis of chemical compounds |
| 05/20/1987 | EP0222612A2 Simultaneous filtering and background correction of chromatographic data |
| 05/20/1987 | EP0222123A2 Apparatus and method for liquid chromatography |
| 05/19/1987 | US4667025 Oligonucleotide derivatives |
| 05/19/1987 | US4667024 Chromatography, immobilizing oligopeptide ligand |
| 05/19/1987 | US4666863 Immunoassay with chromatographic medium and labelled reagent |
| 05/19/1987 | US4666861 Acetonitrile and acid, acid salt or ammonium carbonate |