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)
05/1988
05/10/1988US4743511 Graded refractory cermet article
05/10/1988US4743373 Chromatography column
05/10/1988US4743361 Separating in liquid medium by ultrasonic wave energy; biological particles
05/05/1988WO1988003266A1 Optical apparatus and method
05/04/1988EP0265804A2 Closure device for a chromatographic column
05/04/1988EP0265617A2 Micro-nebulizer for analytical instruments
05/03/1988US4741832 Dialysis
05/03/1988US4741830 Separation materials for thin layer chromatography
05/03/1988US4741198 Thermal conductivity detector assembly
05/03/1988CA1236075A1 Silica-based chromatographic supports containing additives
04/1988
04/27/1988EP0264984A1 Carrier material for use in chromatography or carrying out enzymatic reactions
04/27/1988EP0264934A2 Low pulsation pump device
04/26/1988US4740903 Data processing system for chromatography
04/26/1988US4740695 For analyzing an unknown substance in a gaseous or vapor phase
04/26/1988US4740306 Strong catiionic exchange resin, triazine dye and weak anionic exchange resin
04/26/1988US4740304 Composition for use in a twophase or multiphase system
04/26/1988US4740298 For directing output of column to point of use, detection or identification
04/26/1988US4739654 Method and apparatus for downhole chromatography
04/21/1988WO1988002854A1 Apparatus for spectral analysis of chromatographic fractions
04/21/1988WO1988002654A1 Process for separating and decanting colloids by exclusion chromatography
04/20/1988EP0263934A1 Method for separation and purification of biopolymers by affinity chromatography
04/13/1988EP0263567A2 Liquid chromatograph apparatus
04/12/1988US4737533 Dry material which can be hydrated into an aqueous gel, containing dispersed polymer particles, process for the preparation thereof and use thereof in biological applications
04/12/1988US4737467 Vapor stripping cell and a method for separating organic vapors from an organic substance
04/12/1988US4737465 Forming and chromatographing oxidizable complexes; measuring e electrochemically
04/12/1988US4737292 HPLC column and a column packing method
04/12/1988US4737284 Sorbent-filled metal tubes
04/12/1988US4737268 Thin channel split flow continuous equilibrium process and apparatus for particle fractionation
04/07/1988WO1988002488A1 Thermal conductivity detector assembly
04/06/1988EP0262328A2 Chromatographic test strip for determining ligands and receptors
04/06/1988EP0262223A1 Detector for gas chromatograph
04/05/1988US4736019 Process for the separation of antifactor VIII:C antibodies, more particularly usable for the purification of the blood plasma of a type a hemophiliac
04/05/1988US4735777 Instrument for parallel analysis of metabolites in human urine and expired air
04/05/1988US4735697 Method and apparatus for separating complex mixtures of bio-organic materials
04/05/1988US4735259 Heated transfer line for capillary tubing
04/05/1988US4735082 Pulse modulated thermal conductivity detector
03/1988
03/30/1988EP0271553A4 Hplc column.
03/30/1988EP0261960A2 Apparatus and method for determining fouling tendency of liquid hydrocarbons
03/30/1988EP0261868A2 Method for particle analysis
03/30/1988EP0261458A1 Assemblage of hydroxyl apatite particles and liquid chromatography column containing the same
03/30/1988CN87206965U Non-synchronous planet type spiral tube counterflow chromatograph
03/29/1988US4734398 Follicular regulating protein
03/29/1988US4734377 Method for indirect detection of nonelectrolytes in liquid chromatography
03/29/1988US4734190 Sample dispensing system for liquid chromatography
03/29/1988US4734187 Constant suction gradient pump for high performance liquid chromatography
03/29/1988US4734107 Method and device for the direct on-column injection of samples containing high boiling point and/or medium volatile compounds
03/23/1988EP0260765A1 Liquid chromatograph apparatus
03/23/1988EP0260764A1 Liquid chromatograph
03/23/1988EP0260761A2 Liquid chromatograph apparatus
03/23/1988EP0260760A2 Liquid chromatograph
03/22/1988US4733152 Feedback system
03/22/1988US4732811 Agarose-polyaldehyde beads and their biological application affinity chromatography, hemoperfusion, cell separation, etc.
03/22/1988US4732687 High pressure liquid chromatography supports
03/22/1988US4732686 Separation and analyzing
03/22/1988US4732672 Rapid mounting and release of columns
03/22/1988US4732581 Programming
03/22/1988US4732046 Method and apparatus for the introduction of a vaporizable sample into an analytical test apparatus
03/16/1988EP0259796A2 Improved interface for liquid chromatograph-mass spectrometer
03/15/1988US4730480 Gas chromatograph collection device and process
03/08/1988US4730111 Ion vapor source for mass spectrometry of liquids
03/08/1988CA1233878A1 Ionization detectors for gas chromatography
03/02/1988EP0257582A2 Column for preparative liquid chromatography
03/01/1988US4728776 Heated transfer line for capillary tubing
03/01/1988US4728434 Liquid chromatography
03/01/1988US4728344 Polymer analysis
02/1988
02/25/1988WO1987007953A3 Chromatographic separation device
02/24/1988EP0256293A2 Process for producing porous cross-linked polyvinyl alcohol particles
02/24/1988EP0256161A1 Mixing valve
02/23/1988US4727034 Fluid flow through ion exchanger then polystyrenesulfonic acid electrolyte
02/23/1988US4726930 Apparatus for chromatographic analysis
02/23/1988US4726903 Continuous flow separation or mixing by electrophoresis with moving boundary sorption
02/23/1988US4726822 Fast response thermochromatographic capillary columns
02/23/1988US4726238 Micro sampling valve for high pressure and temperature samples
02/23/1988CA1233127A1 Method for controlling simulated moving bed system
02/18/1988DE3627448A1 Laser fluorometric detector for micro-column chromatography - has flow-through cell shaped as rectangular parallelepiped with a through square channel
02/16/1988CA1232845A1 Chromatography column
02/11/1988WO1988000860A1 Bonded chromatographic stationary phase
02/11/1988DE3625859A1 Method of determining the content of organic substances in an aqueous solution
02/10/1988CN86208342U Apparatus for coating outwall of flexible glass capillary with polyimide
02/09/1988US4724207 Silica bonded to polymer groups
02/09/1988US4724081 Large size packing particles
02/03/1988EP0255122A2 Process for estimating stable type glycated hemoglobin and the apparatus thereof
02/03/1988EP0255049A2 High density filler type filtration equipment
02/03/1988EP0255026A2 Automatic analysis method and apparatus for enzyme reaction
02/03/1988EP0254906A2 Pulse modulated thermal conductivity detector
02/02/1988US4722786 Head for a preparative column
02/02/1988CA1232323A1 Independent analysis of anions and cations using indirect photometric chromatography
01/1988
01/28/1988EP0232382A4 Chemical analysis by controlled sample modulation and detection correlation.
01/27/1988EP0254227A2 Planar centrifugal chromatography device
01/26/1988US4721858 Variable pressure ionization detector for gas chromatography
01/26/1988US4721572 Purfication of blood clotting factors and other blood proteins on non-carbohydrate sulfated matrices
01/20/1988EP0253303A2 Metal chelating resins
01/19/1988CA1231784A1 Spot quantitation
01/19/1988CA1231783A1 Spot quantitation
01/14/1988DE3722103A1 Spherical packing for liquid chromatography
01/14/1988DE3722102A1 Column packing
01/13/1988EP0252758A2 Discharge ionization mass spectrometer
01/13/1988EP0252472A2 Packing material for liquid chromatography and process for producing the same
01/13/1988EP0252125A1 Method and composition for regulating the flowering of plants
01/13/1988CN86100091B Ion chromatography and instrument for analysis of anion