| 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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| 03/10/1981 | CA1097101A1 Seal and apparatus including same |
| 03/05/1981 | WO1981000623A1 Method and apparatus for chromatographic quantitative analysis |
| 03/03/1981 | US4254084 Optical cell for photometric analysis |
| 02/25/1981 | EP0024097A1 Apparatus and process for treating a fluid material while it is subjected to a centrifugal force |
| 02/24/1981 | US4252971 Chromatographic process |
| 02/24/1981 | US4252644 High performance ion exchange composition and the removal and separation of ions therewith |
| 02/24/1981 | US4252537 Quantification of the munitions, HMX, RDX, and TNT in waste water by liquid chromatography |
| 02/24/1981 | CA1096465A1 Pulse generator |
| 02/24/1981 | CA1096196A1 Gas sampling system having a flow indicator |
| 02/17/1981 | US4251220 For continuous detection of low levels of chloride, sulfate, phosphate and nitrate using conductivity cells |
| 02/17/1981 | US4251219 Apparatus for and method of determining contaminants on low pressure condensate |
| 02/11/1981 | EP0023582A1 Column for high pressure liquid chromatography and its use |
| 02/10/1981 | US4250035 Chromatography |
| 02/10/1981 | US4250026 Continuous steric FFF device for the size separation of particles |
| 02/10/1981 | CA1095284A1 Pressure regulator for a chromatograph |
| 02/04/1981 | EP0023322A1 Use of a crosslinked polyvinyl pyrrolidone gel as a gel chromatography material |
| 02/03/1981 | US4248904 Method for preparing samples for application to a thin layer chromatographic sheet |
| 02/03/1981 | US4248355 Closure for sample vials |
| 01/22/1981 | WO1981000153A1 Measuring the aromatic activity of a hydrocarbon composition |
| 01/21/1981 | EP0022654A1 Liquid handling device |
| 01/21/1981 | EP0022620A1 Aluminophosphorous compound, process for producing same and its use |
| 01/20/1981 | US4246362 Hydrophilic separating carrier and preparation thereof |
| 01/20/1981 | US4245963 Pump |
| 01/20/1981 | US4245494 Inlet system for direct gas chromatographic and combined gas chromatographic/mass spectrometric analysis of food volatiles |
| 01/13/1981 | CA1093341A1 Two-flame burner for flame photometric detection |
| 01/13/1981 | CA1093340A1 Liquid column chromatographic separation |
| 01/07/1981 | EP0022005A1 Process for the separation of a proteinic substance starting from a solution containing it upon affinity filtration, and application of the process to enzymatic analyses |
| 01/07/1981 | EP0021997A1 Method of concentrating a low-content element in a solution |
| 01/07/1981 | EP0021817A1 Filler for liquid chromatography, method for separating water-soluble substances using said filler and use of said filler in separating water-soluble biochemical substances |
| 01/07/1981 | EP0021750A1 Production of spherically shaped material made of chitin derivative |
| 01/07/1981 | EP0021701A1 Zeolites, a method for their treatment and the use of the treated zeolites |
| 01/07/1981 | EP0021214A1 Multilayer column chromatography specific binding assay method, test device and test kit |
| 01/06/1981 | US4243534 Blood separation |
| 01/06/1981 | US4243071 Sample injection valve |
| 01/06/1981 | US4242909 Sample injector |
| 01/06/1981 | CA1092938A1 Fluid actuated valve |
| 12/30/1980 | US4242107 Apparatus for the separation of a constituent from an atmosphere |
| 12/30/1980 | US4242097 Method and apparatus for quantitative analysis of weakly ionized anions or cations |
| 12/23/1980 | US4240472 Apparatus for cleaning and coating capillary tubes useful in gas chromatography |
| 12/23/1980 | CA1092210A1 Flexible coaxial cable adaptable for use in uhf range |
| 12/16/1980 | US4239714 Filling the pores with a crosslinkable or polymerizable pore-blocking agent |
| 12/16/1980 | US4239623 Apparatus for producing gradient elution in a liquid chromatographic system |
| 12/16/1980 | CA1091821A1 Column chromatography specific binding assay method and test kit |
| 12/11/1980 | WO1980002747A1 Ultrasensitive enzymatic radioimmunoassay method |
| 12/11/1980 | WO1980002746A1 The detection and determination of species by fluorescence measurements |
| 12/10/1980 | EP0020090A1 Radioimmunoassay of migration inhibitory factor |
| 12/10/1980 | EP0019828A1 Thermostatic chamber for gas chromatography |
| 12/09/1980 | US4238835 Analyzing apparatus with microcomputer |
| 12/09/1980 | US4238327 Electric resonance chromatography |
| 12/09/1980 | US4238196 Methods to determine a diagnostic indicator of blood sugar conditions, and, liquid chromatographic columns therefor (cyanide free) |
| 12/09/1980 | US4237733 Sampling device for measuring instruments |
| 12/02/1980 | US4237422 Chromatograph signal generator |
| 11/25/1980 | US4235716 Fluorescent indicators for chromatography and sorption agents containing them |
| 11/18/1980 | US4234427 Liquid chromatography |
| 11/18/1980 | US4234315 Gas chromatographic analysis method and apparatus |
| 11/11/1980 | US4233156 Liquid chromatography apparatus |
| 11/04/1980 | CA1088776A1 Quantitative chromatographic analysis without calibration |
| 10/28/1980 | US4230464 Method for recycling a carrier gas from the trapping system to the inlet of a gas chromatographic separation unit |
| 10/28/1980 | US4229971 Liquid sampling system |
| 10/28/1980 | US4229968 Gas measurement and analysis system |
| 10/21/1980 | US4229414 For determining neutrophil adhesiveness in study of activity of antiinflammatory agents |
| 10/21/1980 | US4228950 Horizontal flow-through coil planet centrifuge |
| 10/21/1980 | US4228922 Apparatus for injecting a desired volume of liquid in liquid and gas-liquid chromatography |
| 10/21/1980 | CA1088042A1 Controlled surface porosity particles and a method for their production |
| 10/21/1980 | CA1088007A1 Cationic type material capable of reversibly fixing biological macromlecules, processes for preparation thereof and application |
| 10/15/1980 | EP0017224A1 Method and reagent for counteracting lipemic interference |
| 10/15/1980 | EP0017164A1 Method for determining catecholic compounds and their related compounds |
| 10/14/1980 | US4228009 Toroidal coil planet centrifuge |
| 10/14/1980 | US4228008 Chromatographic device for simultaneous collection and evaporation of sequential volatile non-aqueous eluates |
| 10/14/1980 | US4228007 Chromatographic cartridge and holder |
| 10/14/1980 | US4227399 Apparatus for contacting samples with water vapors |
| 10/14/1980 | CA1087761A1 Asymmetric cylinder electron capture detector |
| 10/14/1980 | CA1087593A1 Macroporous microspheroids and a process for their manufacture |
| 10/07/1980 | US4226119 Sample introduction system |
| 10/07/1980 | US4226112 Method and apparatus for analyzing gases |
| 10/01/1980 | EP0016013A1 Device for high efficiency continuous countercurrent extraction using a rotating helical tube. |
| 09/30/1980 | US4225639 Process for preparing alumina being suitable for layer chromatography |
| 09/30/1980 | US4225463 Porous carbon support materials useful in chromatography and their preparation |
| 09/30/1980 | US4225290 Pumping system |
| 09/23/1980 | US4224566 Pulsed electron attachment conductivity detector and carcinogen monitor for liquid chromatography |
| 09/23/1980 | CA1086308A1 Process for the purification of high molecular weight peptides |
| 09/17/1980 | EP0015755A2 Recognins, their chemoreciprocals, target attaching globulins and processes for producing these products; methods of detecting cancer tumors |
| 09/17/1980 | EP0015495A1 Electron capture detector |
| 09/16/1980 | US4222414 Pulse damper for high-pressure liquid chromatography |
| 09/09/1980 | US4221668 Method, apparatus and system for producing eluent flow in liquid chromatography |
| 09/09/1980 | US4221569 Chromatographic analysis of gaseous samples containing reactive sulfur |
| 09/03/1980 | EP0015025A1 An automatic liquid sample supply apparatus and method and apparatus for flushing a delivery tube of the supply apparatus |
| 09/03/1980 | EP0014956A1 Microchromatographic system for checking the intake of medicines via urine samples |
| 09/02/1980 | CA1084732A1 Gas chromatograph device with elevated column pressure and controlled column flow rate |
| 09/02/1980 | CA1084731A1 Method for high resolution gas chromatography |
| 08/26/1980 | US4219398 Atomizing absorption liquid together with gas |
| 08/14/1980 | EP0016013A4 Device for high efficiency continuous countercurrent extraction using a rotating helical tube. |
| 08/12/1980 | US4217223 Gel permeation chromatograph system |
| 08/05/1980 | US4215563 Chromatographic analysis normalizer |
| 07/29/1980 | US4215090 Flame ionization detector |
| 07/29/1980 | US4214993 Apparatus for separating fluids |
| 07/29/1980 | US4214981 Steric field-flow fractionation |
| 07/29/1980 | CA1082579A1 Method and apparatus for analyzing trace components using a cryopumpable reagent gas |
| 07/22/1980 | US4214161 Apparatus for radiochromatographic analysis of mixture of substances containing components tagged by radioactive isotopes |
| 07/22/1980 | US4213326 Sample supply device |