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)
03/1981
03/10/1981CA1097101A1 Seal and apparatus including same
03/05/1981WO1981000623A1 Method and apparatus for chromatographic quantitative analysis
03/03/1981US4254084 Optical cell for photometric analysis
02/1981
02/25/1981EP0024097A1 Apparatus and process for treating a fluid material while it is subjected to a centrifugal force
02/24/1981US4252971 Chromatographic process
02/24/1981US4252644 High performance ion exchange composition and the removal and separation of ions therewith
02/24/1981US4252537 Quantification of the munitions, HMX, RDX, and TNT in waste water by liquid chromatography
02/24/1981CA1096465A1 Pulse generator
02/24/1981CA1096196A1 Gas sampling system having a flow indicator
02/17/1981US4251220 For continuous detection of low levels of chloride, sulfate, phosphate and nitrate using conductivity cells
02/17/1981US4251219 Apparatus for and method of determining contaminants on low pressure condensate
02/11/1981EP0023582A1 Column for high pressure liquid chromatography and its use
02/10/1981US4250035 Chromatography
02/10/1981US4250026 Continuous steric FFF device for the size separation of particles
02/10/1981CA1095284A1 Pressure regulator for a chromatograph
02/04/1981EP0023322A1 Use of a crosslinked polyvinyl pyrrolidone gel as a gel chromatography material
02/03/1981US4248904 Method for preparing samples for application to a thin layer chromatographic sheet
02/03/1981US4248355 Closure for sample vials
01/1981
01/22/1981WO1981000153A1 Measuring the aromatic activity of a hydrocarbon composition
01/21/1981EP0022654A1 Liquid handling device
01/21/1981EP0022620A1 Aluminophosphorous compound, process for producing same and its use
01/20/1981US4246362 Hydrophilic separating carrier and preparation thereof
01/20/1981US4245963 Pump
01/20/1981US4245494 Inlet system for direct gas chromatographic and combined gas chromatographic/mass spectrometric analysis of food volatiles
01/13/1981CA1093341A1 Two-flame burner for flame photometric detection
01/13/1981CA1093340A1 Liquid column chromatographic separation
01/07/1981EP0022005A1 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
01/07/1981EP0021997A1 Method of concentrating a low-content element in a solution
01/07/1981EP0021817A1 Filler for liquid chromatography, method for separating water-soluble substances using said filler and use of said filler in separating water-soluble biochemical substances
01/07/1981EP0021750A1 Production of spherically shaped material made of chitin derivative
01/07/1981EP0021701A1 Zeolites, a method for their treatment and the use of the treated zeolites
01/07/1981EP0021214A1 Multilayer column chromatography specific binding assay method, test device and test kit
01/06/1981US4243534 Blood separation
01/06/1981US4243071 Sample injection valve
01/06/1981US4242909 Sample injector
01/06/1981CA1092938A1 Fluid actuated valve
12/1980
12/30/1980US4242107 Apparatus for the separation of a constituent from an atmosphere
12/30/1980US4242097 Method and apparatus for quantitative analysis of weakly ionized anions or cations
12/23/1980US4240472 Apparatus for cleaning and coating capillary tubes useful in gas chromatography
12/23/1980CA1092210A1 Flexible coaxial cable adaptable for use in uhf range
12/16/1980US4239714 Filling the pores with a crosslinkable or polymerizable pore-blocking agent
12/16/1980US4239623 Apparatus for producing gradient elution in a liquid chromatographic system
12/16/1980CA1091821A1 Column chromatography specific binding assay method and test kit
12/11/1980WO1980002747A1 Ultrasensitive enzymatic radioimmunoassay method
12/11/1980WO1980002746A1 The detection and determination of species by fluorescence measurements
12/10/1980EP0020090A1 Radioimmunoassay of migration inhibitory factor
12/10/1980EP0019828A1 Thermostatic chamber for gas chromatography
12/09/1980US4238835 Analyzing apparatus with microcomputer
12/09/1980US4238327 Electric resonance chromatography
12/09/1980US4238196 Methods to determine a diagnostic indicator of blood sugar conditions, and, liquid chromatographic columns therefor (cyanide free)
12/09/1980US4237733 Sampling device for measuring instruments
12/02/1980US4237422 Chromatograph signal generator
11/1980
11/25/1980US4235716 Fluorescent indicators for chromatography and sorption agents containing them
11/18/1980US4234427 Liquid chromatography
11/18/1980US4234315 Gas chromatographic analysis method and apparatus
11/11/1980US4233156 Liquid chromatography apparatus
11/04/1980CA1088776A1 Quantitative chromatographic analysis without calibration
10/1980
10/28/1980US4230464 Method for recycling a carrier gas from the trapping system to the inlet of a gas chromatographic separation unit
10/28/1980US4229971 Liquid sampling system
10/28/1980US4229968 Gas measurement and analysis system
10/21/1980US4229414 For determining neutrophil adhesiveness in study of activity of antiinflammatory agents
10/21/1980US4228950 Horizontal flow-through coil planet centrifuge
10/21/1980US4228922 Apparatus for injecting a desired volume of liquid in liquid and gas-liquid chromatography
10/21/1980CA1088042A1 Controlled surface porosity particles and a method for their production
10/21/1980CA1088007A1 Cationic type material capable of reversibly fixing biological macromlecules, processes for preparation thereof and application
10/15/1980EP0017224A1 Method and reagent for counteracting lipemic interference
10/15/1980EP0017164A1 Method for determining catecholic compounds and their related compounds
10/14/1980US4228009 Toroidal coil planet centrifuge
10/14/1980US4228008 Chromatographic device for simultaneous collection and evaporation of sequential volatile non-aqueous eluates
10/14/1980US4228007 Chromatographic cartridge and holder
10/14/1980US4227399 Apparatus for contacting samples with water vapors
10/14/1980CA1087761A1 Asymmetric cylinder electron capture detector
10/14/1980CA1087593A1 Macroporous microspheroids and a process for their manufacture
10/07/1980US4226119 Sample introduction system
10/07/1980US4226112 Method and apparatus for analyzing gases
10/01/1980EP0016013A1 Device for high efficiency continuous countercurrent extraction using a rotating helical tube.
09/1980
09/30/1980US4225639 Process for preparing alumina being suitable for layer chromatography
09/30/1980US4225463 Porous carbon support materials useful in chromatography and their preparation
09/30/1980US4225290 Pumping system
09/23/1980US4224566 Pulsed electron attachment conductivity detector and carcinogen monitor for liquid chromatography
09/23/1980CA1086308A1 Process for the purification of high molecular weight peptides
09/17/1980EP0015755A2 Recognins, their chemoreciprocals, target attaching globulins and processes for producing these products; methods of detecting cancer tumors
09/17/1980EP0015495A1 Electron capture detector
09/16/1980US4222414 Pulse damper for high-pressure liquid chromatography
09/09/1980US4221668 Method, apparatus and system for producing eluent flow in liquid chromatography
09/09/1980US4221569 Chromatographic analysis of gaseous samples containing reactive sulfur
09/03/1980EP0015025A1 An automatic liquid sample supply apparatus and method and apparatus for flushing a delivery tube of the supply apparatus
09/03/1980EP0014956A1 Microchromatographic system for checking the intake of medicines via urine samples
09/02/1980CA1084732A1 Gas chromatograph device with elevated column pressure and controlled column flow rate
09/02/1980CA1084731A1 Method for high resolution gas chromatography
08/1980
08/26/1980US4219398 Atomizing absorption liquid together with gas
08/14/1980EP0016013A4 Device for high efficiency continuous countercurrent extraction using a rotating helical tube.
08/12/1980US4217223 Gel permeation chromatograph system
08/05/1980US4215563 Chromatographic analysis normalizer
07/1980
07/29/1980US4215090 Flame ionization detector
07/29/1980US4214993 Apparatus for separating fluids
07/29/1980US4214981 Steric field-flow fractionation
07/29/1980CA1082579A1 Method and apparatus for analyzing trace components using a cryopumpable reagent gas
07/22/1980US4214161 Apparatus for radiochromatographic analysis of mixture of substances containing components tagged by radioactive isotopes
07/22/1980US4213326 Sample supply device