| 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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| 01/08/1992 | EP0464968A2 Process and device for extraction of solved volatile substances from liquids into the gaseous phase |
| 01/08/1992 | EP0464783A1 Chromatographic separation of zirconium isotopes with reduced waste liquor |
| 01/08/1992 | EP0464513A1 Chromatographic separation of zirconium isotopes with anhydrous readily recyclable eluents |
| 01/08/1992 | EP0464488A2 Optically active N-alpha-fluoroacryloyl-aminoacid derivatives, their preparation, optically active polymers prepared therefrom and their use for the separation of racemates |
| 01/08/1992 | EP0464187A1 Coated media for chromatography |
| 01/08/1992 | CN2092758U Pyrolysis equipment |
| 01/07/1992 | US5079353 Sialic acid glycosides, antigens, immunoadsorbents, and methods for their preparation |
| 01/07/1992 | US5079156 Crosslinked Polyvinyl Acylate Polymers |
| 01/07/1992 | US5078978 Pyridine-containing alkoxysilanes bonded to inorganic supports and processes of using the same for removing and concentrating desired ions from solutions |
| 01/07/1992 | US5078886 Separation of mixtures by two-phase systems |
| 01/07/1992 | US5078493 Flow cell resistant to corrosive environments for fiber optic spectroscopy |
| 01/03/1992 | CA2045893A1 Chromatographic separation of zirconium isotopes with anhydrous readily recyclable eluents |
| 01/01/1992 | CN2091981U Flow-phase thermodynamic pump for chromatography |
| 12/31/1991 | US5077221 Equilibrating cation exchange chromatography plate with color-forming cation, depositing sample, developing, exposing; intensity |
| 12/31/1991 | US5076909 Analyzing for aromatics by ultraviolet radiation |
| 12/31/1991 | US5076097 Method and apparatus for determining concentration of macromolecules and colloids in a liquid sample |
| 12/27/1991 | EP0462798A2 Release and isolation of O-glycans |
| 12/27/1991 | EP0462797A2 Release and isolation of N-glycans |
| 12/27/1991 | EP0462796A2 Release and isolation of N-glycans and O-glycans |
| 12/27/1991 | EP0462795A2 Isolation of glycans |
| 12/27/1991 | EP0462794A2 Automated process equipment for cleavage of biomolecules |
| 12/27/1991 | EP0462177A1 Purified insulin mediators and purification process for same |
| 12/26/1991 | WO1991019983A1 Analyte variant analysis |
| 12/26/1991 | CA2085579A1 Analyte variants analysis |
| 12/24/1991 | US5075432 Spherical cyclodextrin polymer beads |
| 12/24/1991 | US5075371 Beads of three-dimensional crosslinked addition polymer which contains silica |
| 12/24/1991 | US5075080 Apparatus for measuring the non-porous surface area of carbon black |
| 12/24/1991 | US5075078 Self-performing immunochromatographic device |
| 12/24/1991 | US5075009 Separation agent comprising acyl- or carbamoyl-substituted polysaccharide |
| 12/24/1991 | US5074982 Polymer bonded to silica containing material |
| 12/24/1991 | CA1293592C Spherical grains of polyamino acid and production method thereof |
| 12/19/1991 | DE4018928A1 Liquid specimens in carrier liquid flow, entering arrangement - has two specimen loops connected via valve enabling injection of different vol. |
| 12/19/1991 | CA2044717A1 Process for the separation of proteins, polypeptides or metals |
| 12/18/1991 | EP0461438A2 A process and device for the vaporization injection of liquid samples in gas chromatographic analysis apparatuses |
| 12/18/1991 | EP0461382A2 Coordinated chromatography system |
| 12/18/1991 | EP0461352A2 Preparation of gel-filled separation columns |
| 12/18/1991 | EP0442977A4 Perfusive chromatography |
| 12/18/1991 | EP0271553B1 Hplc column |
| 12/18/1991 | CN2090988U High-efficient liquid-phase chromatographic column |
| 12/17/1991 | US5073505 Eluant storage and preparation apparatus and method for using the same in a zero gravity environment |
| 12/17/1991 | US5073357 Process for producing hydroxylapatites |
| 12/17/1991 | US5073345 Light detector apparatus |
| 12/14/1991 | WO1991019746A1 Fractionated agaroid compositions, their preparation, and use |
| 12/14/1991 | CA2083496A1 Fractionated agaroid compositions, their preparation, and use |
| 12/12/1991 | WO1991019183A1 Method for interactive self-modeling mixture analysis |
| 12/11/1991 | EP0460409A2 Multiple part adaptor for chromatographic columns |
| 12/11/1991 | EP0460026A1 High performance affinity chromatography column comprising non-porous, monodisperse polymeric packing material |
| 12/11/1991 | EP0447451A4 Micromachined valve with polyimide film diaphragm |
| 12/10/1991 | US5071624 System for introducing a sample substance into a spectroscopical analytical instrument |
| 12/10/1991 | US5071610 Method of making a controlled pore composite polytetrafluoroethylene |
| 12/10/1991 | US5071562 Provides for accurate composition at start of the gradient |
| 12/10/1991 | US5071547 Column chromatographic column apparatus with switching capability |
| 12/05/1991 | DE4037347C1 Detecting liq. substances by optical signals - imaging dispersed beam by substance in cuvette in-front of photosensitive line of sensors |
| 12/05/1991 | DE4017317A1 System for enhancing spectrometer resolution - shifts spectrum periodically relative to detector array |
| 12/04/1991 | EP0459677A2 Selective, high speed detection of vapors with analysis of multiple GC-separated portions |
| 12/04/1991 | EP0459241A1 Process and apparatus for effecting capillary electrophoresis |
| 12/04/1991 | EP0458780A1 Process and device for controlling the carrier gas pressure in a valveless separating column circuit in gas chromatography. |
| 12/04/1991 | EP0438402A4 Paralog affinity chromatography |
| 12/04/1991 | CN1014986B Ceramic articles having a nonporous core and porous outer layer |
| 12/03/1991 | CA1292732C Separation agent for optical isomers |
| 11/30/1991 | CA2043328A1 Selective, high speed detection of vapors with analysis of multiple gc-separated portions |
| 11/28/1991 | WO1991018282A1 Measuring connective tissue breakdown products in body fluids |
| 11/28/1991 | WO1991017830A1 Adsorbent medium |
| 11/27/1991 | EP0458548A1 Carbon beads, process of producing the same and chromatography column containing the same |
| 11/27/1991 | EP0458188A1 Chromatography plants |
| 11/27/1991 | EP0458125A2 Decoupled flow and pressure setpoints in an extraction instrument using compressible fluids |
| 11/20/1991 | CN1014850B Four electrodes mass analyzer |
| 11/20/1991 | CN1014834B Gas chromatography detector |
| 11/20/1991 | CN1014833B Flow distribute type multidimensional gas chromatographic instrument |
| 11/19/1991 | WO1991018288A1 Gas chromatograph-mass spectrometer (gc/ms) system for quantitative analysis of reactive chemical compounds |
| 11/19/1991 | US5066784 Porous vinyl polymeric matrix filled with a physically- or chemically-bound reactive gel; high loadings; solid phase synthesis; chromatography; ion exchanging |
| 11/19/1991 | US5066377 Electrophoresis apparatus, heating and cooling blocks at opposite ends of a thermoconductive plate, heat exchanging fluid flow through bores in the blocks |
| 11/19/1991 | US5065614 Short path thermal desorption apparatus for use in gas chromatography techniques |
| 11/19/1991 | CA2079800A1 Gas chromatograph-mass spectrometer (gc/ms) system for quantitative analysis of reactive chemical compounds |
| 11/14/1991 | WO1991016966A1 Microfluidic structure and process for its manufacture |
| 11/13/1991 | EP0455892A1 Monodisperse aerosol generator for use with infrared spectrometry |
| 11/13/1991 | EP0444129A4 Human neutrophilic granulocyte end-stage maturation factor and its preparation and use |
| 11/12/1991 | US5065025 Gas sample analysis provided by light pipe radiation structure |
| 11/12/1991 | US5064539 Method of chromatographic separation |
| 11/06/1991 | EP0455508A1 Sensor devices |
| 11/06/1991 | EP0455333A2 Liquid sampling process and apparatus |
| 11/06/1991 | CN1056000A Electrochemical tester of high-pressure liquid phose chromatograph |
| 11/05/1991 | US5062961 Process for the determination of the concentration of an ionic or ionizable solute in ion exchange chromatography |
| 11/05/1991 | US5062959 Adsorption by resin |
| 11/05/1991 | US5062708 Capacitively coupled plasma detector for gas chromatography |
| 11/05/1991 | US5062310 Probe inlet apparatus and method |
| 11/02/1991 | CA2015971A1 Thermally-releasable-sample collecting device |
| 10/31/1991 | WO1991016634A1 Device for introducing a sample to be analysed into a vehicle fluid |
| 10/30/1991 | EP0454315A2 An assay tray assembly |
| 10/30/1991 | EP0453908A2 Chromatographic separation of zirconium isotopes |
| 10/30/1991 | EP0453720A2 Mass flow sensor having wide dynamic range |
| 10/30/1991 | EP0453604A1 Process for the chromatographic determination of ions |
| 10/30/1991 | CN1014549B Liquid chromatography |
| 10/29/1991 | US5061638 Water treatment process control |
| 10/29/1991 | US5061355 Preparation of gel-filled separation columns |
| 10/29/1991 | CA1291593C Sulfonic derivatives of acylated polyethylenimine bonded phase silicaproducts |
| 10/23/1991 | EP0452826A2 System and method for continuous separation of isotopes |
| 10/23/1991 | EP0315633B1 Bonded chromatographic stationary phase |
| 10/23/1991 | CN2087342U Automatic sample-injecting device for insulating oil chromatographic analysis |
| 10/23/1991 | CN2087341U Split-flow/non split-flow capillary chromatographic sample-injecting device at flow-stop |