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) |
---|
03/18/1982 | WO1982000774A1 Molecular separation column and use thereof |
03/18/1982 | WO1982000773A1 Liquid chromatographic method and apparatus with hollow fiber device for post-column derivatization |
03/17/1982 | EP0047617A2 Molecular separation column and use thereof |
03/16/1982 | US4319975 Derivatized agarose and method of making and using same |
03/16/1982 | US4319883 Method for determining catecholic compounds and their related compounds |
03/16/1982 | CA1119832A1 Polymer characterization apparatus |
03/10/1982 | EP0047064A1 Process for preparing porous, spherical cellulose particles |
03/02/1982 | CA1119102A1 Process and equipment for chromatographic separation of fructose/dextrose solutions |
02/23/1982 | US4316382 Detector with intermittent flow |
02/23/1982 | US4316381 Modulated detector |
02/17/1982 | EP0045953A1 A process for the separation of C8 aromatic hydrocarbons from their mixtures |
02/16/1982 | US4315812 Apparatus for continuous electrochromatographic separation |
02/16/1982 | CA1118364A1 Charcoal coated absorbent device |
02/16/1982 | CA1118346A1 Process for production of protein bound gel useful in radioimmunoassay columns |
02/16/1982 | CA1118231A1 Flame head for flame photometric detector used in gas chromatography |
02/16/1982 | CA1118186A1 Method for use of a kit for school chemical and biochemical experimentation |
02/10/1982 | EP0045554A1 Process for measuring one or more polluting components in a certain atmosphere |
02/09/1982 | US4314971 Molecular separation and isoenzyme analyzers |
02/09/1982 | US4314823 Combination apparatus and method for chromatographic separation and quantitative analysis of multiple ionic species |
02/02/1982 | US4314343 Method and apparatus for detecting and integrating chromatographic peaks |
02/02/1982 | US4313906 Two dimensional two phase thin layer chromatography plate and method |
02/02/1982 | US4313828 High pressure tubing coupler |
01/26/1982 | US4313015 Separation process |
01/26/1982 | US4312980 Suspension in water of solution of cellulose triacetate in organic solvents followed by evaporation of solbent and saponification |
01/26/1982 | US4312835 Thermal control means for liquid chromatograph samples |
01/26/1982 | CA1117225A1 Sampling system for mass spectrometer |
01/20/1982 | EP0043946A1 Thermostatic device for liquid chromatographs |
01/19/1982 | US4311668 Micro cleanup and concentration apparatus for trace residue analysis by gas liquid chromatography |
01/19/1982 | US4311664 Flame-photometric detector burner of gas chromatograph |
01/19/1982 | US4311586 Solvent mixing in HPLC using low pressure solvent metering pumps |
01/19/1982 | US4311387 Flow-through sample cell and collecting and illuminating optics for liquid chromatography |
01/19/1982 | CA1116584A1 Hydrophilic separating carrier and preparation thereof |
01/12/1982 | US4310420 Mobile phase supplying method in the liquid chromatography and apparatus therefor |
01/12/1982 | US4309898 Signal-to-noise ratio in chromatographic analysis |
01/12/1982 | CA1116065A1 Method and apparatus for automatically determining chlorine and chlorine dioxide concentrations |
01/12/1982 | CA1116063A1 Monitoring device |
01/12/1982 | CA1115983A1 Device for high efficiency continuous countercurrent extraction using a rotating helical tube |
01/06/1982 | EP0043325A1 Hydrophilic material for sorbing heavy metals, method for making such material and its use |
01/06/1982 | EP0043159A1 Porous inorganic support material coated with an organic stationary phase, for use in chromatography, and process for its preparation |
01/05/1982 | US4309286 Lower sealing means for chromatographic column |
01/05/1982 | CA1115551A1 Process for packing chromatographic columns |
01/05/1982 | CA1115546A1 Apparatus and method for determining the concentration in a sample |
12/30/1981 | EP0042683A1 Process for the production of adsorptive gas traps |
12/30/1981 | EP0042560A2 A process for producing and obtaining anaphylatoxin- and cocytotaxin-containing leucotaxine preparations and of anaphylatoxin and cocytotaxin proteins in molecularly homogeneous, biologically active form |
12/30/1981 | EP0042393A1 Chromatographic sheet of layer for pressurized layer chromatographic apparatus. |
12/29/1981 | US4308254 Material able to fix reversibly biologial macromolecules, its preparation and its application |
12/22/1981 | US4307453 Sloping baseline compensation for a chromatographic analyzer |
12/22/1981 | US4306977 Chromatography developing chamber |
12/16/1981 | EP0041793A1 Flow monitoring method and apparatus |
12/16/1981 | EP0041608A2 Column for liquid chromatography |
12/15/1981 | US4305906 Apparatus for analyzing oxygen, nitrogen and hydrogen contained in metals |
12/15/1981 | US4305276 Temperature controlled oven chamber for gas chromatography |
12/15/1981 | US4305275 Chromatographic apparatus and method of operation |
12/15/1981 | CA1114547A1 Borane reducing resins |
12/08/1981 | US4304997 Electron capture detector with thermionic emission electron source |
12/08/1981 | CA1114033A1 Voltage offset network |
12/02/1981 | EP0040798A2 Ion exchange chromatography with indirect photometric detection |
12/02/1981 | EP0040663A1 Column closure |
11/24/1981 | US4302422 System and process for total gaseous nonmethane organic analysis |
11/24/1981 | US4302421 Method and apparatus for flushing a delivery tube for automatic liquid sample supply apparatus |
11/24/1981 | US4302222 Methods and apparatus for continuous preparative chromatographic separation of fluid mixtures |
11/18/1981 | EP0040124A1 Hydrophilic copolymers based on N-tris(hydroxy-methyl)methylacryl amide, process for their preparation, aqueous gel of these copolymers and their use as ion exchangers |
11/17/1981 | US4301139 For determining a ligand such as an antigen or antibody |
11/17/1981 | US4300393 Sample introduction apparatus for gas chromatographic analysis using packed or capillary bore open tubular columns and method of testing |
11/17/1981 | CA1112634A1 Separating materials for thin layer chromatography and their preparation |
11/10/1981 | US4299814 Radioimmunoassay of MIF |
11/04/1981 | EP0038826A1 Microchromatographic device and method for rapid determination of a desired substance |
11/03/1981 | US4298795 Method and apparatus for introducing samples to a mass spectrometer |
11/03/1981 | US4298500 Rapid separation of multi-sited biopolymers |
10/29/1981 | WO1981003069A1 Thermal control means for liquid chromatograph sample |
10/28/1981 | EP0038720A1 Liquid chromatography apparatus and method employing ion concentration |
10/28/1981 | EP0038571A2 Water-resistant reversed-phase thin layer chromatographic plate and a method for its preparation |
10/27/1981 | US4296634 Septum for use in gas chromatography and method of operation |
10/27/1981 | CA1111415A1 Chromatographie separation and purification of proteins |
10/20/1981 | US4296322 Method for analyzing organic substances |
10/20/1981 | US4295968 Silanized inorganic oxide absorbent |
10/20/1981 | US4295856 Nitrosamine specificity for electrolytic conductivity detector |
10/20/1981 | CA1110871A1 Method for the determination of the organic carbon content of raw rocks and similar |
10/13/1981 | US4294799 Preventing boiling of a liquid |
10/13/1981 | US4294117 Sample charger for a gas chromatograph |
10/13/1981 | CA1110564A1 Process and laboratory equipment for determining the thermal cracking behavior of hydrocarbon feeds for cracking furnaces |
10/13/1981 | CA1110467A1 Methods to determine a diagnostic indicator of blood sugar conditions and liquid chromotographic columns therefor (cyanide free) |
10/13/1981 | CA1110465A1 Process and device for the evaluation of photometric measurement values |
10/06/1981 | US4293436 Phosphor, carboxylic acid carrier |
10/06/1981 | US4293422 Adsorption |
10/06/1981 | US4293415 Silica chromatographic column |
10/06/1981 | US4293316 Inlet system for a gas analyzer |
10/06/1981 | US4293308 Combustion in helium, catalytic oxidation and reduction, gas chromatography, flame photometry |
10/06/1981 | CA1110084A1 Pressure compensation method and apparatus for a chromatograph |
09/29/1981 | US4292042 Analysis of vinyl acetate |
09/29/1981 | US4292041 Thin layer chromatography |
09/29/1981 | CA1109768A1 Pneumatic valve apparatus |
09/23/1981 | EP0036303A1 Process for analyzing anions and process for treating radioactive liquid waste utilizing the same |
09/22/1981 | US4290892 Tetra-substituted amino silane bonded to porous packing material |
09/22/1981 | US4290776 Method for analyzing acidic substances by high speed liquid chromatography |
09/22/1981 | US4290775 Ion exchanging |
09/17/1981 | WO1981002527A1 Column for liquid and gas chromatography |
09/16/1981 | EP0035983A1 Column for liquid and gas chromatography |
09/15/1981 | US4289975 Dissipating electrical charge |
09/15/1981 | US4289748 Ultrasensitive enzymatic radioimmunoassay method |