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