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)
09/1988
09/06/1988US4769153 Apparatus and method for liquid chromatography
09/06/1988US4769141 Using compressed powdery charge in a removable cartridge
09/06/1988US4769121 Porous electrode with embedded passivating and immobilized biochemically active layers; capacitance affinity sensors
08/1988
08/31/1988EP0280578A2 Purification of LFA-3
08/31/1988EP0280335A2 Analysis of organic material
08/31/1988EP0279946A2 Method of chromatographic separation
08/31/1988CN87100772A Charged particles detector
08/30/1988US4767850 Process for the purification of acarbose with polymers
08/30/1988US4767670 Chromatographic supports for separation of oligonucleotides
08/30/1988US4767529 1-amino-(2'-nitrophenyl-5'-boric acid)-2-hydroxy-3-0-propyl group modified polyether
08/30/1988US4767279 Fluid composition and volumetric delivery control
08/30/1988US4766760 Method of chromatographic analysis of a mixture of liquid substances and a gas chromatograph for carrying out the method
08/30/1988CA1241459A1 Sample inlet system for an electron capture detector
08/30/1988CA1241279A1 Column for liquid chromatography
08/25/1988WO1988006297A1 Method and apparatus for detecting radioisotopes in fluids
08/24/1988EP0279257A2 Method and apparatus for filling chromatographic columns
08/23/1988US4766550 Automatic on-line chemistry monitoring system
08/23/1988US4765890 Fixture forming a fitting adapted to contain a frit; positive seal between column and sleeve
08/23/1988CA1241146A1 Crosslinked polymers, a process for their preparation, and their use
08/23/1988CA1240900A1 Inorganic oxide aerogels and their preparation
08/17/1988EP0278739A1 Constant suction pump for high performance liquid chromatography
08/17/1988EP0278220A1 Diagnostic assays using nucleic acid probes
08/16/1988US4764676 Apparatus for spectral analysis of chromatographic fractions
08/16/1988US4764502 Intragonadal regulatory protein
08/11/1988WO1988005688A1 Hydrophilic article and method of producing same
08/09/1988US4762995 Monodisperse aerosol generator
08/09/1988US4762981 Heating device in particular for automatic samplers
08/09/1988US4762617 Size-exclusion chromatography system for macromolecular interaction analysis
08/09/1988US4762412 Chromatoscanner for scanning a specimen surface
08/02/1988US4760732 Flow programmer for gas chromatography
07/1988
07/27/1988EP0276138A2 Chromatographic supports for separation of oligonucleotides
07/27/1988EP0275933A2 Pressure control apparatus
07/27/1988CN87212873U Ion mass-spectrometer
07/26/1988US4759843 A fitting connected to chromatographic column to a flow cell
07/26/1988US4759210 Apparatus for gas-monitoring and method of conducting same
07/26/1988CA1239591A1 Liquid chromatography column assembly
07/20/1988EP0274608A1 Adsorbent employing an apatite compound
07/20/1988CN87212839U Large-sized diameter capillary column cross-linked with extra thick liquid film
07/19/1988US4758521 Assay of ketones in ambient air
07/19/1988US4758340 Sintered body; sealing element; threaded bushing
07/12/1988US4757023 For petroleum products
07/12/1988US4757004 Component traverses portion of chromatographic material and longitudinal edge includes means for controlling shape of the front of the traversing component
07/12/1988US4756834 Support comprises hydroxylated organic or inorganic base support particles and coating of polyacrylamide bonded to particles
07/12/1988US4756828 For immunochromatographic analysis; specific binding pair and enzyme non-diffusively bound to strip
07/12/1988US4756725 First section or zone of condensation of separated gas phase, second zone of confinement of condensate, third zone of evacuation of vector gas
07/06/1988EP0273118A1 Method and apparatus for electrochemical detection
07/05/1988US4755293 Having means for sealing and locking cover on open end of column
06/1988
06/30/1988WO1988004663A1 Process for enriching and/or isolating cardiac glycosides using non-polar adsorber resins
06/29/1988EP0272904A2 Process for porosity control and rehydroxylation of silica bodies
06/29/1988EP0272552A2 Method and device for ketone measurement
06/29/1988EP0272507A2 Method and apparatus for the determination of at least one component of a test gas
06/28/1988US4753983 Polymeric matrix for affinity chromatography and immobilization of ligands
06/28/1988US4753734 Rotation of holder at same velocity around longitudinal and vertical axis
06/28/1988US4753581 Constant suction pump for high performance liquid chromatography
06/28/1988CA1238626A1 Phase supports for the partition chromatography of macromolecules, a process for their preparation and their use
06/22/1988EP0271553A1 Hplc column.
06/22/1988EP0218089B1 Optically active (meth)-acryl amide, polymers thereof, process for their preparation and their use in the separation of racemates
06/21/1988US4752888 Method of determining major and minor peaks in a chromatogram using a data processor
06/21/1988US4752587 Chromatographic method for determining fouling tendency of liquid hydrocarbons
06/21/1988US4752448 Drug abuse test paper
06/21/1988US4752391 Ends of column sealed against outer overpressure
06/21/1988US4752385 A multiple piston reciprocating pump
06/21/1988US4752216 Programmed temperature control of a thermal system
06/21/1988CA1238315A1 Process for the preparation of purified vancomycin class antibiotics
06/15/1988EP0271378A2 Apparatus for liquid chromatography
06/15/1988EP0271204A2 Immunochromatographic method and device
06/15/1988EP0270595A1 An optically active reagent and a method for the determination of enantiomeric amine compounds.
06/14/1988US4751189 Adding nonionic polyhydroxy compound to eluant; complexing with boric acid
06/14/1988US4751187 Chromatographic method for determining fouling tendency of liquid hydrocarbons
06/14/1988US4751185 Trapping in precolumn; reverse phase liquid chromatography
06/14/1988US4751004 Liquid chromatographic method and apparatus with a packed tube membrane device for post-column derivatization/suppression reactions
06/14/1988US4750806 Metal, alloy, or dielectric deposited by heterogenous nucleation thermochemical deposition
06/08/1988EP0270130A2 Precision dosing pump for liquids
06/08/1988EP0270095A2 Packing material for liquid chromatography
06/08/1988EP0270017A2 Method of isolating and purifying nucleic acids from biological samples
06/08/1988CN86108029A Four electrodes mass analyzer
06/07/1988US4749656 Analytical method for determining essential components of a Stretford gas treating process solution
06/07/1988CA1237771A1 Sensor array for toxic gas detection
06/02/1988WO1988003797A1 Phospholipid composition
06/01/1988EP0269447A2 Structures surface modified with bidentate silanes
06/01/1988EP0269080A1 Substrates with sterically-protected, stable, covalently-bonded organo-silane films
06/01/1988EP0268946A2 Method for separating long-chain nucleic acids
06/01/1988EP0268648A1 Chromatographic separation device.
05/1988
05/31/1988US4748008 Process for separating uranium isotopes by oxidation-reduction chromatography
05/31/1988US4747959 Analytical method and apparatus for characterizing latexes
05/31/1988US4747687 Ball cell windows for spectrophotometers
05/31/1988US4747686 Method and apparatus for performing novel high-performance liquid chromatography
05/25/1988EP0268434A2 Transport detector system
05/25/1988EP0268243A2 Packing material and process for its production
05/25/1988EP0268185A2 Chromatographic column
05/24/1988US4746572 Structures surface modified with bidentate silanes
05/24/1988US4746068 Micro-nebulizer for analytical instruments
05/19/1988DE3737515A1 Apparatus for collecting samples
05/18/1988EP0267282A1 Chromatographic apparatus and process
05/17/1988US4744952 Berberine sulfate and a pigment
05/11/1988EP0267006A2 Qualitative immunochromatographic method and device
05/11/1988EP0266769A2 Flow cell for photometer
05/11/1988EP0266580A2 A method for coating solid particles with a hydrophilic gel and particles coated by the method
05/11/1988EP0266542A2 Chromatographic column
05/11/1988EP0266414A1 Method for preparing contact-inhibitory factor