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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07/08/1980 | US4211746 Flame ionization detector |
07/08/1980 | US4211658 Triaxially compressed packed beds |
06/17/1980 | US4208284 Apparatus for distribution separation processes |
06/17/1980 | US4208194 Ptfe, particulate absorbent |
06/17/1980 | CA1079539A1 Gas chromatographic analysis of low boiling materials |
06/11/1980 | EP0012073A1 Method and apparatus for tracing a chromatogram |
06/10/1980 | US4207188 Open tubular capillary column for high-speed micro liquid chromatography |
06/03/1980 | US4205767 Cannula injection device |
05/27/1980 | US4205134 Separation of nucleosides |
05/27/1980 | US4205058 Radioimmunoassay |
05/27/1980 | US4204952 Chromatographic apparatus and method |
05/27/1980 | US4204838 Method of analysis |
05/27/1980 | US4204424 Chromatographic analyzer detector gain adjustment |
05/27/1980 | US4204423 Chromatograph |
05/27/1980 | CA1078215A1 Fluid sample dilution for chromatographic analysis |
05/20/1980 | CA1077739A1 High pressure liquid chromatography system |
05/13/1980 | US4202666 Chromatorgraphy |
05/13/1980 | CA1077401A1 Separation and recovery of ethylbenzene from c8 aromatic mixtures using rubidium-x sieves |
05/13/1980 | CA1077392A1 Polymer coated refractory particles as immunoadsorbent |
05/06/1980 | US4201913 Sampling system for mass spectrometer |
05/06/1980 | US4201671 Chromatography method and apparatus |
05/06/1980 | CA1077027A1 Circulating mixer using conduit vessels |
05/06/1980 | CA1077026A1 Sample dilution with a plurality of parallel flow restriction means |
05/06/1980 | CA1077025A1 Sample dilution with fluid oscillator means |
05/06/1980 | CA1076837A1 Liquid chromatography system with solvent proportioning |
05/06/1980 | CA1076836A1 High performance liquid chromatography system |
04/29/1980 | US4199988 Sampling apparatus for chromatographic instruments |
04/22/1980 | US4199450 Use of support treated with aqueous solution of nonproteinic polymer and aqueous solution of protein with molecular weight lower than that of protein to be separated |
04/22/1980 | US4199323 Ion exchanging, monitoring electroconductivity |
04/22/1980 | US4199260 Apparatus and method for determining the concentration in a sample |
04/22/1980 | US4198792 Chelate-modified polymers for atmospheric gas chromatography |
04/08/1980 | US4197012 Process and apparatus for measuring discoloration |
04/08/1980 | US4196612 Pressure regulator for a chromatograph |
04/08/1980 | CA1075164A1 Adsorption columns for use in radioimmunoassays |
03/19/1980 | EP0008921A1 Column chromatography and like processes and apparatus for the practice thereof |
03/11/1980 | US4192614 L/C detector cell assembly |
03/11/1980 | CA1073565A1 Separation of macromolecules |
03/11/1980 | CA1073200A1 Chromatographic spotter |
03/04/1980 | US4191649 Liquid chromatography system with simulated gradient |
03/04/1980 | CA1072773A1 Sample injection with automatic cleaning of sampling conduit |
03/04/1980 | CA1072772A1 Analysis of a sample using a conversion means and specific gas detectors |
03/04/1980 | CA1072771A1 Method of decreasing chromatographic column plugging by addition of water to the carrier liquid |
02/26/1980 | US4190576 By porous absorber |
02/19/1980 | US4189304 Chromatography |
02/19/1980 | CA1071890A1 Gas purifier having rechargeable adsorber filter with removeable rechargeable sample canister |
02/12/1980 | US4188196 Absorber with suction pump |
02/06/1980 | EP0007917A1 Improvements in or relating to media for affinity chromatography. |
02/05/1980 | US4187391 High frequency coaxial cable and method of producing same |
02/05/1980 | US4187177 Column for high pressure liquid chromatography |
02/05/1980 | US4186607 Liquid sample dilution system |
02/05/1980 | CA1071112A1 Chromatography tube |
01/29/1980 | US4186295 Control system for a chromatography apparatus oven door |
01/29/1980 | US4185500 Sample introduction system |
01/29/1980 | US4185490 Phase discrimination in modulated thermal conductivity detector |
01/15/1980 | US4183791 Method of forming amperometric sensor with transition metal oxide/hydroxide electrodes |
01/15/1980 | CA1069843A1 Method of separating proteins by ion exchange |
01/09/1980 | EP0006199A1 Hydrophilic separating carrier and preparation thereof |
01/08/1980 | US4182740 Flame ionization detector |
01/08/1980 | US4182678 Micro-scale countercurrent chromatograph |
01/08/1980 | US4182184 Sample injector |
01/08/1980 | CA1069445A1 Method and device for rapid chromatographic separation |
01/01/1980 | US4181853 Antigens |
01/01/1980 | US4181613 Venting method for a chromatograph oven |
01/01/1980 | US4181437 Apparatus for examining the infrared spectrum of small quantities of materials in the vapor phase |
01/01/1980 | US4181006 Quantitative chromatographic analysis without calibration |
12/25/1979 | US4180857 Apparatus for processing chromatograph data |
12/25/1979 | US4180389 Isolation and concentration of sample prior to analysis thereof |
12/25/1979 | US4180375 Liquid chromatography pump |
12/13/1979 | WO1979001083A1 Device for high efficiency continuous countercurrent extraction using a rotating helical tube |
12/12/1979 | EP0005708A1 Gel filtration column |
12/11/1979 | US4178507 Ionization of organic substances on conveyor means in mass spectrometer |
12/11/1979 | US4178439 Crosslinked carbohydrate |
12/04/1979 | CA1067312A1 Liquid chromatography pumping system with compensation means for liquid compressibility |
11/20/1979 | US4175099 Separation and recovery of ethylbenzene from C8 aromatic mixtures using rubidium-X sieves |
11/20/1979 | US4175037 Process for packing chromatographic columns |
11/20/1979 | US4174772 Apparatus and method for coordinating chromatographic separation (HPLC) with UV/VIS absorbency values and with bioautograph test results |
11/20/1979 | US4174675 Analytical instrument |
11/20/1979 | CA1066847A1 Specific sorbents and a method of their preparation |
11/13/1979 | US4174430 Process for producing porous polystyrene gel |
11/13/1979 | CA1066088A1 Pneumatic detector for chromatogaphic analyzer |
11/06/1979 | US4173363 Adaptor assembly for fittings and connective lines of differing sizes |
11/06/1979 | US4173145 Solvent wash system for a chromatographic analyzer |
11/06/1979 | CA1065832A1 Separating material for thin layer chromatrography |
11/06/1979 | CA1065647A1 Pneumatic chromatograph |
10/30/1979 | CA1065504A1 Ion detection electrode arrangement |
10/30/1979 | CA1065313A1 Separation of saccharides by exclusion chromatography |
10/23/1979 | CA1064728A1 Method and apparatus for reducing the transient effects of liquid compressibility in a liquid chromatography system |
10/23/1979 | CA1064727A1 Base line correction in densitometry |
10/16/1979 | US4171412 Specific sorbent having D-aminoacid moiety covalently bonded to solid particulate hydrophilic polymeric carrier |
10/16/1979 | US4170901 Sorption tube atmospheric sampling system |
10/16/1979 | US4170893 Sloping baseline compensation for a chromatographic analyzer |
10/09/1979 | US4170454 Process for the preparation of a solid-phase radioimmunoassay support and use thereof |
10/09/1979 | CA1063829A1 Quantitative detection of sulfur compounds by flame photometry |
09/25/1979 | CA1063298A1 Small, porous, polyacrylate beads |
09/18/1979 | US4168235 Sample sweeping and injection device for chromatography apparatus |
09/18/1979 | US4168147 Method to determine a diagnostic indicator of blood sugar condition, and, a liquid chromatographic microcolumn therefor |
09/18/1979 | CA1062497A1 Thin layer chromatograph apparatus |
09/11/1979 | US4167334 Flame head for flame photometric detector used in gas chromatography |
09/11/1979 | CA1062254A1 Process for the production of water-adsorbing cellulose ethers |
09/04/1979 | US4166483 Programmable fraction collector |