| 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) |
|---|
| 03/08/1989 | EP0305377A1 Multiple sample radioactivity detector |
| 03/08/1989 | EP0176509B1 Arrangement at a gas flow through cell for spectrophotometric analysis of chemical compounds |
| 03/07/1989 | US4810659 Pressure from compressed air |
| 03/07/1989 | US4810471 For preparing chromatography samples |
| 03/07/1989 | US4810392 Sample dispensing system for liquid chromatography |
| 03/07/1989 | US4810381 Composite chromatographic article |
| 03/07/1989 | US4810183 Apparatus for casting thin layer gel media in a mould and subsequently using gel for electrophoretic separation without removing it from the mould |
| 03/07/1989 | US4810168 Low pulsation pump device |
| 03/01/1989 | CN2033514U Low-pressure ion chromatograph for cation analysis |
| 02/28/1989 | US4808820 Electron-emission filament cutoff for gas chromatography + mass spectrometry systems |
| 02/28/1989 | US4808819 Mass spectrometric apparatus |
| 02/28/1989 | US4808540 Method for chromatographical analysis of anions |
| 02/28/1989 | US4808232 Separation and purification of cyclodextrins |
| 02/28/1989 | US4808092 Precision reciprocating metering pump |
| 02/28/1989 | US4808077 Pulsationless duplex plunger pump and control method thereof |
| 02/28/1989 | US4807469 Monitoring drilling mud circulation |
| 02/23/1989 | WO1988010460A3 Fluid composition and volumetric delivery control |
| 02/22/1989 | EP0304295A1 Electrokinetic analysis method and apparatus employing heat removal |
| 02/21/1989 | US4807148 Deconvolving chromatographic peaks |
| 02/21/1989 | US4806485 Photooxygenation |
| 02/21/1989 | US4806315 Thermoconductive moisture detector and wheatstone bridge in housing; accuracy |
| 02/21/1989 | US4806250 Liquid chromatography and apparatus using the same |
| 02/21/1989 | US4806238 Chromatography column |
| 02/21/1989 | US4805469 Apparatus for automatically taking and analyzing samples of substances which are made available in random manner |
| 02/21/1989 | US4805441 For use in gas chromatography |
| 02/15/1989 | EP0303406A2 An immunoaffinity substrate |
| 02/15/1989 | EP0303329A1 A process for isolating coagulation factors, and adsorbent material suitable therefor |
| 02/14/1989 | US4804846 Photoionization detector for gas chromatography |
| 02/14/1989 | US4804839 Heating system for GC/MS instruments |
| 02/14/1989 | US4804686 Cation-exchange support materials and method |
| 02/14/1989 | US4804455 Electrochemical testing system |
| 02/14/1989 | US4804290 Latching and sealing device |
| 02/08/1989 | EP0302724A2 Supporting means |
| 02/08/1989 | EP0220293B1 Method for the purification of bioactive substances by biospecific adsorption |
| 02/07/1989 | US4803051 Atomic spectrometer apparatus |
| 02/07/1989 | US4802986 Chromatography |
| 02/07/1989 | US4802981 Automatic chromatography apparatus |
| 02/07/1989 | US4802761 Optical-fiber raman spectroscopy used for remote in-situ environmental analysis |
| 02/01/1989 | EP0301948A1 Chromatographic separation device for fluids |
| 01/31/1989 | US4802102 Baseline correction for chromatography |
| 01/31/1989 | US4801430 Vaporization, migration of low and high molecular weight species |
| 01/31/1989 | CA1249528A1 Separating column for gas chromatography |
| 01/26/1989 | WO1989000446A1 Affinity separating using immobilized flocculating reagents |
| 01/26/1989 | DE3723190A1 Method for detecting adulteration of honey |
| 01/25/1989 | EP0300448A2 Separation medium |
| 01/25/1989 | EP0150350B1 Cross-linked polymers, process for their manufacture and use thereof |
| 01/24/1989 | US4799794 Interior reflective chamber embodying an ordering principal for color reflectors therein |
| 01/24/1989 | CA1249334A1 Selective chemical detection by energy modulation of sensors |
| 01/18/1989 | EP0299793A2 Packing materials for analysing enantiomer mixtures by liquid chromatography |
| 01/18/1989 | EP0299652A1 Baseline correction for chromatography |
| 01/18/1989 | EP0299428A2 Process for immunochromatography with colloidal particles |
| 01/18/1989 | EP0299419A1 Automatic measurement method of glycohemoglobin |
| 01/18/1989 | EP0299396A2 Chromatographic system |
| 01/18/1989 | EP0299063A1 Hydrophilic article and method of producing same. |
| 01/17/1989 | US4798081 High temperature continuous viscometry coupled with analytic temperature rising elution fractionation for evaluating crystalline and semi-crystalline polymers |
| 01/11/1989 | EP0298754A1 Super-critical fluid mass spectrometer |
| 01/11/1989 | EP0298608A2 Mass spectrometry system and method employing measurement/survey scan strategy |
| 01/11/1989 | EP0298597A2 Heating system for GC/MS instruments |
| 01/11/1989 | EP0298503A2 Packing for liquid chromatography and method of using it |
| 01/11/1989 | EP0298171A1 Beads of cross-linked glucomannan and production thereof |
| 01/10/1989 | US4797834 Process for controlling a pump to account for compressibility of liquids in obtaining steady flow |
| 01/10/1989 | US4797215 Method for sequential centrifugal stratification chromatography for separating components from mixtures |
| 01/10/1989 | US4797209 Adjustable distribution cell apparatus |
| 01/10/1989 | US4797207 Apparatus for controlling a pump to account for compressibility of liquids in obtaining steady flow |
| 01/10/1989 | CA1248325A1 Purification apparatus and method employing a regenerable ligand |
| 01/04/1989 | EP0297149A1 Method and apparatus for separating mixtures of substances |
| 01/03/1989 | US4795822 Antidepressant |
| 01/03/1989 | US4795614 Gaseous combustion products |
| 01/03/1989 | US4795262 Liquid chromatography absorbance detector |
| 01/03/1989 | US4794954 Apparatus and method for prevention of pulsating flow in liquid chromatograph |
| 12/29/1988 | WO1988010460A2 Fluid composition and volumetric delivery control |
| 12/29/1988 | WO1988010427A1 Centrifugal fast chromatograph |
| 12/29/1988 | WO1988010426A1 Method of determining the composition of a substance in microcolumn liquid chromatography |
| 12/29/1988 | WO1988010425A1 Microcolumn liquid chromatograph |
| 12/29/1988 | WO1988010422A1 Analysis of carbohydrates |
| 12/28/1988 | EP0296926A1 Composite polymers, their preparation and their use in liquid chromatography |
| 12/28/1988 | EP0296781A2 Quantitation of chromatographic information |
| 12/28/1988 | EP0296624A2 Zero-void column end plate for chromotography |
| 12/27/1988 | US4794252 Discharge ionization mass spectrometer |
| 12/27/1988 | US4794177 Reduction of dextran with sodium borohydride prior to crosslinking |
| 12/27/1988 | US4794088 Amphoteric ion exchange membrane |
| 12/27/1988 | US4793921 Separation materials for thin layer chromatography |
| 12/27/1988 | US4793920 Chromatography columns with cast porous plugs and methods of fabricating same |
| 12/27/1988 | US4793174 Differential pressure capillary viscometer |
| 12/21/1988 | EP0296045A1 Device for filling liquid chromatographic columns by pyrotechnics |
| 12/21/1988 | EP0295942A2 On-column conductivity detector for microcolumn electrokinetic separations |
| 12/21/1988 | EP0295915A2 Improved method and scavenger gas for the analysis of oxygen-containing components using atomic emission spectrometry |
| 12/21/1988 | EP0295809A2 Liquid chromatography dual zone packing materials and method for making and using same |
| 12/21/1988 | EP0295808A2 Liquid chromatography packing materials and method for making and using same |
| 12/20/1988 | US4792396 Multi-size injector port system |
| 12/20/1988 | US4792395 High speed countercurrent centrifuge for removal attachment of chromatographic columns thereto, and chromatographic column for the same |
| 12/20/1988 | CA1246893A1 Differential pressure capillary viscometer for measuring viscosity independent of flow rate and temperature fluctuations |
| 12/15/1988 | DE3718224A1 Gas sample feed device |
| 12/14/1988 | EP0295073A2 Chromatographic material |
| 12/14/1988 | EP0294410A1 Process for enriching and/or isolating cardiac glycosides using non-polar adsorber resins. |
| 12/13/1988 | US4791063 Removal of contaminants from biological fluids |
| 12/13/1988 | US4790857 Gaseous contaminant dosimeter with diffusive material for regulating mass uptake |
| 12/07/1988 | EP0294340A2 Method and apparatus for detection of gases as impurities in an inert gas |
| 12/07/1988 | EP0294312A1 Split stream flow cell |
| 12/07/1988 | EP0294121A2 Deconvolving chromatographic peaks |