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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09/04/1979 | US4166379 Apparatus for the detection of volatile organic substances |
08/28/1979 | US4165644 Apparatus for introducing samples into high pressure gas chromatographs or liquid chromatographs |
08/22/1979 | EP0003617A1 Commutation device comprising a branching between two gas chromatographic columns |
08/21/1979 | US4165284 Safety device for chromatography apparatus |
08/21/1979 | US4165219 Analysis of solutions using chromatographic column |
08/21/1979 | CA1060919A1 Chromatographic column fittings |
08/14/1979 | CA1060342A1 Fibres incorporating antibodies, antigens and antisera, method for their preparation and their use |
08/09/1979 | WO1979000541A1 Improvements in or relating to media for affinity chromatography |
07/31/1979 | US4162977 Means for removably securing separation column within column chromatography apparatus |
07/31/1979 | US4162761 Flow-through coil planet centrifuges with adjustable rotation/revolution of column |
07/31/1979 | US4162689 Time division flow control |
07/31/1979 | CA1059411A1 Competitive binding thyroid assay with improved bound-free separation step |
07/17/1979 | US4161508 Electromagnet-responsive pipette |
07/10/1979 | US4160728 Bimodal chromatographic resolving zone |
07/10/1979 | CA1058337A1 Process for large scale chromatography |
07/10/1979 | CA1057975A1 Fluid detecting system with sample and reference cells |
07/10/1979 | CA1057972A1 Densitometer |
07/03/1979 | US4159894 Method for determining formulation and chemical structure of materials by improved pyrolysis gas chromatography |
06/28/1979 | WO1979000359A1 Pneumatic valve apparatus |
06/26/1979 | US4159523 Voltage offset network |
06/26/1979 | US4159284 Process for separation of hydrocarbon mixture |
06/26/1979 | CA1057180A1 Hydrophobic polymeric membrane |
06/26/1979 | CA1057134A1 Pneumatic system for solder leveling apparatus |
06/19/1979 | US4158630 Chromatographic multi-sample valving apparatus |
06/19/1979 | US4158626 Of silicon dioxide |
06/19/1979 | CA1056704A1 Method for quantitatively analyzing substances containing elements other than carbon, hydrogen and oxygen and volatile organic compounds |
06/12/1979 | US4157894 Using polystyrene or phenol-formaldehyde resin to absorb active saponins, silylation, separation by gas-liquid chromatography |
06/05/1979 | US4157299 Two-phase filter and thin layer chromatography process |
06/05/1979 | US4157040 Apparatus for collecting pyrolysates from a gas-cooled dynamoelectric machine |
06/05/1979 | CA1055723A1 Chromatograph injection system |
05/29/1979 | CA1055405A Method for prolonging the breakthrough of volatile substances through adsorbent-containing air purifying devices |
05/22/1979 | US4155846 Chromatography |
05/22/1979 | US4155683 System for and a method of providing a liquid chromatography eluent |
05/15/1979 | US4154583 Automated temperature programmed preparative chromatography |
05/08/1979 | US4153076 Pneumatic valve apparatus |
05/08/1979 | CA1054128A1 Cellulose microcapsules and preparation thereof |
05/08/1979 | CA1054050A1 Gel column device and use in blood purification and immunoassay |
05/08/1979 | CA1053926A1 Carbon monoxide detection apparatus and method |
05/01/1979 | US4151741 Method and apparatus for gas chromatographic analysis |
05/01/1979 | CA1053550A1 Rapid analysis of trace components contained in a liquid |
04/24/1979 | US4151254 Strong, hydrophilic disks of polyethylene |
04/24/1979 | US4151215 Catalytic sorbents |
04/24/1979 | US4151089 Chromotography |
04/24/1979 | US4150899 Densitometer |
04/24/1979 | US4150563 Method of and apparatus for the recirculation of fluids in a closed circuit |
04/17/1979 | US4150436 First order sample and hold |
04/17/1979 | US4149402 Analytical method for determining desorption isotherm and pore size distribution of an absorbent material |
04/10/1979 | US4149255 Method and arrangement for the automatic observation of interfacial phenomena |
04/10/1979 | CA1052127A1 Sampler-injector for liquid chromatography |
04/03/1979 | US4147621 Applying cross-flow pressure gradient across semipermeable plates |
04/03/1979 | CA1051637A1 Alumina-based bodies with large pores produced by agglomeration |
03/27/1979 | CA1051565A1 Quantitative analysis of single ion species |
03/27/1979 | CA1051220A1 Temperature control system for chromatographic apparatus |
03/20/1979 | US4145506 Polysiloxane, chromatograph |
03/20/1979 | US4145139 Zig zag scanning densitometer with base line and impurity correction |
03/13/1979 | US4144451 Mass spectrometer |
03/06/1979 | US4142944 Mercury drop electrode |
03/06/1979 | US4142858 Method to determine a diagnostic indicator of blood sugar condition, and, a liquid chromatographic microcolumn therefor |
03/06/1979 | US4142857 Using carboxymethyl cellulose ion exchanger |
03/06/1979 | US4142856 Method to determine a diagnostic indicator of blood sugar condition, and, a liquid chromatographic microcolumn therefor |
03/06/1979 | US4142855 Method to determine a diagnostic indicator of blood sugar condition, and, a liquid chromatographic microcolumn therefor |
03/06/1979 | CA1050195A1 Continuous manufacture of polyamides |
02/27/1979 | US4141833 Thin layer chromatography |
02/27/1979 | US4141237 Pressure compensation method and apparatus for a chromatograph |
02/20/1979 | US4140496 S-Triazine derivatives |
02/13/1979 | US4139684 Method for preparation of hydrophilic polymeric ion exchanging gels |
02/13/1979 | US4139469 For transporting fluids under pressure as in chromatography |
02/13/1979 | US4139458 Preparative centrifugal chromatography device |
02/13/1979 | CA1048692A1 Method for preparation of ion exchangers by alkylation and hydroxyalkylation of polymeric hydrophylic anion exchangers |
02/06/1979 | US4138336 Thin layer chromatographic plates |
02/06/1979 | CA1047792A1 Flasher accessory for gas concentrator-gas chromatograph analyzer |
02/06/1979 | CA1047791A1 Method for the rapid analysis of a mixture of a number of substances by chromatography |
01/30/1979 | US4137453 Methods and apparatus for improving electron capture detectors by collection of ions |
01/30/1979 | US4137161 Maintaining same pressure in sample cell and reference cell |
01/30/1979 | US4137011 Flow control system for liquid chromatographs |
01/30/1979 | CA1047276A1 Convergent light illuminated flow cell for liquid chromatography |
01/23/1979 | US4136007 Sample applying position marking device for film for electrophoresis |
01/23/1979 | US4135896 Gas purifier having rechargeable adsorber filter with removeable rechargeable sample canister |
01/23/1979 | US4135881 Method and apparatus for determining the thermal cracking behavior of hydrocarbon feeds for cracking furnaces |
01/23/1979 | US4135880 Folate assay with ion exchange resin bound-free separation |
01/16/1979 | US4134730 Spotting systems and methods pertaining thereto |
01/16/1979 | US4134289 Gas sampling system having a flow indicator |
01/16/1979 | CA1046506A1 Gel product for separation purposes and method of using the product for hydrophobic salting out adsorption |
01/16/1979 | CA1046451A1 Chromatography solid support |
01/09/1979 | US4133767 Multisolvents, sparging inert gases |
01/09/1979 | US4133753 Method of ion exchange chromatography |
01/09/1979 | US4133651 Methods for removing radioactive isotopes from contaminated streams |
01/09/1979 | US4133640 Chromatographic analysis apparatus |
01/09/1979 | US4133562 Separation column |
01/02/1979 | US4132511 Damper for high pressure pumping system |
01/02/1979 | CA1045408A1 High pressure sample injector and injection method |
12/26/1978 | US4131547 Refillable column for chromatography at elevated pressure |
12/26/1978 | US4131427 Chromatography detector |
12/26/1978 | US4131393 Fluid pump mechanism |
12/26/1978 | CA1045291A1 Method for preparation of amphoteric ion exchangers with the hydrophilic polymeric matrix |
12/20/1978 | EP0000066A1 Determination of aromatic aminocarboxylic acids. |
12/19/1978 | CA1044824A1 Determining total ionic content |
12/19/1978 | CA1044485A1 High pressure sample injection apparatus and method for liquid chromatography |
12/12/1978 | US4129560 Process for the purification of high molecular weight peptides using non-ionic detergents |
12/12/1978 | CA1044040A1 Liquid phase chromatography analysis process |