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 |