| 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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| 02/07/1990 | EP0353256A1 METHOD OF PURIFYING AND DEPOSITING GROUP IIIb AND GROUP Vb COMPOUNDS TO PRODUCE EPITAXIAL FILMS. |
| 01/31/1990 | EP0353015A2 System and method for broad spectrum drug detection |
| 01/31/1990 | EP0352917A2 The selective removal of chemical species from a fluid |
| 01/31/1990 | EP0352766A2 Synthesis of glycosphingolipid derivates for use in the preparation of immuno- and affinity adsorbents to be used in the purification of antibodies and specific toxins, and for diagnostic use |
| 01/31/1990 | CN1039304A Analytical method of thermal deadsorption spectrum of reaction and dissociation |
| 01/30/1990 | US4897467 Nitrilophoric EDA-adsorbents |
| 01/30/1990 | US4897198 Separation agent comprising 1,3-glucan |
| 01/30/1990 | US4897193 Quantitative separation; immunoassays |
| 01/30/1990 | US4896545 Automatic fluid injector |
| 01/30/1990 | CA1265116A1 Chromatographic separation medium for rapid analysis of small samples |
| 01/30/1990 | CA1265050A1 Purification of blood clotting factors and other blood proteins on non-carbohydrate sulfated matrices |
| 01/25/1990 | DE3824896A1 Method and apparatus for sample analysis in thin layer chromatography |
| 01/24/1990 | EP0351761A2 Sample injector |
| 01/24/1990 | CN1039116A Appauatus and method for spectrophotometric analysis of material in moving process stream |
| 01/23/1990 | US4895809 Immobilized antigen-antibody displacement process |
| 01/23/1990 | US4895808 Method and apparatus for adsorption detection |
| 01/23/1990 | US4895806 Device for liquid chromatography or immobilized enzyme reaction |
| 01/23/1990 | US4895032 For analyzing a liquid sample |
| 01/23/1990 | CA1264722A1 Micro-porous superlattice material |
| 01/18/1990 | DE3823996A1 Method (metal indicator detection) for the complexometric determination of oxyanions/polyanions at picomole sensitivity, use for the continuous post-column detection in liquid chromatographic separation and for detection after separation on thin layer supports |
| 01/17/1990 | EP0350992A1 Method of air sampling |
| 01/17/1990 | EP0155950B1 Oligonucleotide polymeric support system |
| 01/16/1990 | US4894172 Process for programming of field-flow franctionation |
| 01/16/1990 | US4894152 Fluid control device |
| 01/16/1990 | US4894146 Thin channel split flow process and apparatus for particle fractionation |
| 01/10/1990 | EP0350252A1 The separation of elements defining a fluid flow path |
| 01/10/1990 | EP0350194A2 Control of electrokinetic potential by treatment with redox agents |
| 01/10/1990 | CN1006416B Chromatography column |
| 01/09/1990 | US4892659 Separation agent comprising aliphatic ester of polysaccharide |
| 01/09/1990 | US4892654 Trapping assembly |
| 01/03/1990 | CN1038522A Low-voltage ion chromatograph for analyzing cation |
| 01/03/1990 | CN1006329B Continuous regenerative high-performance ion-exchange column |
| 01/02/1990 | US4891515 Solution analyzing mass spectrometer |
| 01/02/1990 | US4891137 Method and apparatus for membrane extraction of hydrolysis contaminates |
| 01/02/1990 | US4891133 Chromatography apparatus |
| 01/02/1990 | US4891120 Semiconductor chip; alumina strip; silicon wafer; longitudinal channel |
| 01/02/1990 | US4890502 Sorbent tube trace sample releasing apparatus |
| 12/28/1989 | WO1989012828A1 System for collecting samples for analysis |
| 12/28/1989 | WO1989012814A1 Molecular weight distribution measurement method, spectro-detector and molecular weight distribution measurement apparatus of polymers |
| 12/28/1989 | WO1989012644A1 Endotoxin binding protein and uses thereof |
| 12/28/1989 | WO1989012491A1 Keyed column chromatography apparatus |
| 12/28/1989 | DE3916219A1 Vorrichtung und verfahren zur chomatographischen trennung Apparatus and method for separation chomatographischen |
| 12/27/1989 | EP0348352A2 Process for preparing finely divided porous cellulose particles |
| 12/26/1989 | US4889814 Through a gas-chromatographic separation column over a bed of mercuric oxide |
| 12/26/1989 | US4889813 Process for determining the polarity of a crude oil |
| 12/26/1989 | US4889632 Crosslinked globules of addition polymers connected by covalent bonds to form voids; for biopolmers, such as proteins, enzymes, polypeptides |
| 12/26/1989 | US4889593 Eluting through cation exchange resin; measuring uv absorption |
| 12/26/1989 | US4889427 Method and apparatus for detecting low concentrations of (bio) chemical components present in a test medium using surface plasmon resonance |
| 12/21/1989 | DE3819800A1 Device for the recognition of the solvent front in chromatography and sensor therefor |
| 12/20/1989 | EP0346565A2 Improvements in restrictor heating in supercritical fluid chromatography |
| 12/20/1989 | EP0346369A1 Method and apparatus for detecting radioisotopes in fluids |
| 12/20/1989 | CN2049773U Semi-automatic gas analyser |
| 12/19/1989 | US4888484 Apparatus and method for spectrophotometric analysis of a material in a moving process stream |
| 12/19/1989 | US4888482 Atmospheric pressure ionization mass spectrometer |
| 12/19/1989 | US4888295 Portable system and method combining chromatography and array of electrochemical sensors |
| 12/19/1989 | US4888112 Chromatographic column |
| 12/19/1989 | US4887434 Apparatus for the cryogenic enrichment of trace substances of a gas stream |
| 12/14/1989 | WO1989012229A1 Syringe type column for chromatography |
| 12/14/1989 | WO1989011901A1 Fluid distributor and device for treating a fluid, such as a chromotograph equipped with said distributor |
| 12/14/1989 | WO1989011898A1 Method and apparatus for flow field flow fractionation |
| 12/13/1989 | EP0346082A1 Method and apparatus for low pressure liquid chromatography |
| 12/13/1989 | EP0346037A1 Composite ion-exchange compositions for ion chromatography |
| 12/13/1989 | EP0345782A2 Fluid analysis with particulate reagent suspension |
| 12/12/1989 | US4886965 Method for calibrating variable wavelength liquid chromatography detectors |
| 12/12/1989 | US4886360 Method and apparatus for particle analysis |
| 12/12/1989 | US4886356 Detector cell for liquid chromatography |
| 12/06/1989 | EP0344639A2 Thermally switchable katharometer |
| 12/06/1989 | CN2048975U Liquid phase chromatographic apparatus for high speed quantitative analysis |
| 12/05/1989 | US4885250 Enzyme immobilization and bioaffinity separations with perfluorocarbon polymer-based supports |
| 11/30/1989 | WO1989011648A1 Process for separation and recovery of charged molecules |
| 11/30/1989 | WO1989011641A1 Process and device for non-intrusively, continuously and automatically taking, storing and supplying analysis samples and data for future evaluation |
| 11/29/1989 | EP0343972A2 Interface for liquid chromotography-mass spectrometry systems |
| 11/29/1989 | CN1037593A 质谱仪 Mass spectrometer |
| 11/28/1989 | US4883958 Interface for coupling liquid chromatography to solid or gas phase detectors |
| 11/28/1989 | US4883688 Treating edge with polymer or cutting edge to a sawtooth shape |
| 11/28/1989 | US4883598 Process for isolating coagulation factors, and adsorbent material suitable therefor |
| 11/28/1989 | US4883504 Gas chromatograph |
| 11/28/1989 | US4883409 Pumping apparatus for delivering liquid at high pressure |
| 11/28/1989 | CA1263379A1 Method for the production of bead dextran materials for gel chromatography |
| 11/23/1989 | EP0342932A1 Solid support and column for liquid chromatography |
| 11/23/1989 | EP0342884A1 On-axis electron acceleration electrode for liquid chromatography/mass spetrometry |
| 11/23/1989 | EP0342869A1 Chromatographic analysis of hydrocarbon oil |
| 11/23/1989 | EP0342645A2 Isoconductive gradient ion chromatography |
| 11/23/1989 | EP0342629A1 Method of chromatographic separation |
| 11/23/1989 | EP0342239A1 Porous membrane and process for its production |
| 11/21/1989 | US4882781 Method for predicting steady-state conditions |
| 11/21/1989 | US4882426 For gel filtration and chromotography; saponification, crosslinking |
| 11/21/1989 | US4882226 Modified (meth) acrylic acid or ester core with hydrophilic coatings |
| 11/21/1989 | US4882063 Chromatographic system |
| 11/21/1989 | US4882048 Optically active adsorbents |
| 11/21/1989 | US4882047 Zero-void column end plate for chromatography |
| 11/15/1989 | EP0342157A2 Aromatic acids |
| 11/15/1989 | EP0342052A2 Novel monomers for producing coloured polymers; coloured polymers; process for preparing said polymers and for separating substances biologically active trough the use of said polymers |
| 11/15/1989 | EP0341784A2 Liquid chromatography |
| 11/15/1989 | EP0341556A1 Organic-based porous microspheres for HPLC |
| 11/15/1989 | EP0341498A1 Adsorbent comprising a coating of polyethyleneimine derivatized with a hydrophobic group, its production and its use for immunoassays and separations |
| 11/14/1989 | US4880543 Metal oxide-hydroxide on supports |
| 11/14/1989 | CA1262870A1 Chromatography column and end plug assembly |
| 11/09/1989 | DE3913763A1 Mass spectrometer |
| 11/08/1989 | CN1036937A Process for fractionating mixture of rare earth metals by ion exchange |