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) |
---|
01/12/1988 | US4719017 Method of chromatogram analysis and an apparatus therefor |
01/12/1988 | US4719011 High pressure liquid chromatography columns |
01/12/1988 | US4718992 Electrolysis |
01/12/1988 | CA1231293A1 Ceramic articles having a nonporous core and porous outer layer |
01/07/1988 | EP0251306A1 Process and apparatus for the preparation of a controllable and reproduceable temperature gradient, and its use |
01/07/1988 | EP0250666A1 Process for selective dialysis using polymeric affinity adsorbents and size selective membranes |
01/05/1988 | US4717827 Apparatus for on-line spectrophotometric chemical analysis of material in moving process stream |
01/05/1988 | US4717708 Inorganic oxide aerogels and their preparation |
12/30/1987 | WO1987007953A2 Chromatographic separation device |
12/29/1987 | US4716219 Adsorbent for protein purification |
12/29/1987 | US4715413 Apparatus for manipulating small volumes of liquid |
12/29/1987 | US4715217 Determining organic compounds using a membrane |
12/29/1987 | US4715216 Process and apparatus for the chromatographic determination of components in specimens |
12/29/1987 | US4715105 Method of preparation of packed fiber glass reaction vessel |
12/23/1987 | EP0250216A2 Method for determination of a " mucoprotein vector " from blood serum |
12/23/1987 | EP0249714A2 Ionization detectors for gas chromatography |
12/22/1987 | US4714555 Agent for separation |
12/22/1987 | US4714554 Cross-axis synchronous flow-through coil planet centrifuge free of rotary seals: apparatus and method for performing countercurrent chromatography |
12/22/1987 | US4714545 Fluid proportioning pump system |
12/22/1987 | US4714526 Supercritical fluid extraction method for multi-component systems |
12/22/1987 | US4714345 Sample arrangement for spectrometry, method for the measurement of luminescence and scattering and application of the sample arrangement |
12/22/1987 | US4713974 Autosampler |
12/22/1987 | US4713963 Method and device for vacuum chromatography |
12/17/1987 | WO1987007719A1 Apparatus for the detection of substances which can be excited for photon emission |
12/17/1987 | WO1987007526A1 Hplc column |
12/16/1987 | EP0249078A2 Optically active adsorbents |
12/16/1987 | CN87104030A Optically active adsorbents |
12/15/1987 | US4713772 Automatic on-line chemistry monitoring system having improved calibration unit |
12/15/1987 | US4713338 Hydrolysis, then condensation of alkoxide of silicon and zirconium |
12/15/1987 | US4713300 Graded refractory cermet article |
12/12/1987 | CN85201771U Automatic chromatograph with microcomputer control and data processing |
12/10/1987 | DE3618605A1 Vorrichtung zur detektion von zur photonenemission anregbaren stoffen Apparatus for detection of the photon emission excitable materials |
12/09/1987 | EP0248379A2 Replenishable low-pressure column for preparative chromatography |
12/09/1987 | CN87102772A Dry matierial for aquated contains dispersed polymeres particle aquogel and its process of preparation and application in biology |
12/09/1987 | CN86103650A Ionization detector with microwave plasma |
12/08/1987 | US4711765 Sorption/desorption gas analysis apparatus |
12/08/1987 | US4711764 High pressure liquid chromatography |
12/03/1987 | WO1987007430A1 Multiple sample radioactivity detector |
12/03/1987 | WO1987007351A1 Micro-valve arrangement |
12/03/1987 | DE3618380A1 Mikroventilanordnung Micro-valve arrangement |
12/03/1987 | DE3617672A1 Reagent and process for binding polymers and microorganisms in aqueous solutions |
12/02/1987 | EP0247929A1 Method and apparatus for chromatographic analysis, in particular of petroleum liquids |
12/02/1987 | EP0247446A2 Nitromodified chromatographic support materials, process for their manufacture and their use |
12/01/1987 | US4710289 Replacable cartridges |
12/01/1987 | EP0138841A4 Transfer of macromolecules from a chromatographic substrate to an immobilizing matrix. |
11/25/1987 | EP0246399A2 Method and apparatus for on-line spectrophotometric chemical analysis of material in moving process stream |
11/24/1987 | US4708782 Separating and conditioning for analysis fluid components |
11/24/1987 | US4708013 Liquid water content analyzer |
11/24/1987 | CA1229489A1 Process for separating and purifying metallic elements by displacement chromatography |
11/19/1987 | WO1987006929A1 An optically active reagent and a method for the determination of enantiomeric amine compounds |
11/19/1987 | EP0245940A1 Liquid flow analysis |
11/19/1987 | EP0245936A2 A gas chromatographic method for separating hydrogen isotopes |
11/19/1987 | EP0245642A1 Apparatus for the introduction of samples by thermal desorption |
11/17/1987 | US4706700 Valve arrangement |
11/11/1987 | EP0245222A2 Nitrilophoric Electron-Donor-Acceptor-adsorbents |
11/10/1987 | US4705948 Closed-loop pulsed helium ionization detector |
11/10/1987 | US4705757 Method for fluorometric analysis of catechol amines |
11/10/1987 | US4705725 Substrates with sterically-protected, stable, covalently-bonded organo-silane films |
11/05/1987 | WO1987006589A1 Method for preparing contact-inhibitory factor |
11/05/1987 | WO1987006492A1 Chromatographic apparatus and process |
11/03/1987 | US4704245 Method and apparatus for monitoring break of ion adsorption apparatus |
11/03/1987 | US4704141 Apparatus for automatically transferring small quantities of liquid samples in gas chromatography |
11/03/1987 | CA1228853A1 N-(2-naphthylsulfonyl)-amino acid derivatives, method for preparation thereof and their use for determination of optical purity of optically active compounds |
10/28/1987 | EP0243280A1 Method and apparatus for the on-line analysis of a liquid product by liquid chromatography |
10/28/1987 | EP0242544A2 Adsorbent for chromatography, method of producing the same, and column system for chromatography |
10/27/1987 | US4702115 Sample injection timer for chromatographic apparatus |
10/27/1987 | CA1228531A1 Packed column having pressure-absorbing mechanism |
10/22/1987 | DE3712776A1 Automated pipetting device |
10/21/1987 | EP0242302A1 Material for affinity chromatography and its use in the separation and purification of protein antigens from bacteria of the genus Bordetella |
10/21/1987 | EP0242275A1 Dry substance hydratable in an aqueous gel containing particles of dispersed polymers, its preparation process and its biological application |
10/21/1987 | EP0241941A2 Method and apparatus for establishing sorption isotherms |
10/21/1987 | EP0241607A2 Chromatographic method for determining fouling tendency of liquid hydrocarbons |
10/20/1987 | US4701366 Controlled pore size for forming cylindrical posts; vapor deposition, masking, etching or grinding |
10/20/1987 | US4701306 Concentrator for detection of amine vapors |
10/20/1987 | CA1228351A1 Ionically modified cellulose material, its preparation and its use |
10/14/1987 | EP0240658A1 Fluid proportioning pump system |
10/14/1987 | EP0240627A2 A method for determining crude oil fouling by high performance liquid chromatography |
10/13/1987 | US4700059 Chromatographic optical detector with logarithmic calibration circuit |
10/13/1987 | US4699768 Apparatus for exchanging substances between fluids |
10/13/1987 | US4699718 Ion chromatography method and apparatus |
10/07/1987 | EP0240405A1 Method and device for the quantitative analysis of ions by means of chromatography |
10/07/1987 | EP0240013A2 Separation agent for optical isomers, process for preparing it and use thereof |
10/07/1987 | EP0239600A1 Apparatus for, and methods of, operating upon a fluid. |
10/06/1987 | US4698317 Porous cordierite ceramics, a process for producing same and use of the porous cordierite ceramics |
10/06/1987 | US4698071 Continuous absorbtion on powder, desorption by heating; detection of explosives |
09/30/1987 | EP0239565A2 Method of separating proteins |
09/30/1987 | EP0239487A2 Refractometric detector for liquid chromatography |
09/30/1987 | EP0239079A2 Insoluble chemical composite material |
09/30/1987 | EP0130574B1 Device for the compensation of the base line drift of a chromatographic column |
09/29/1987 | US4697007 Preparation of microcrystalline triacetylcellulose |
09/29/1987 | US4696980 Sulfone activated thioether adsorbents for the separation of proteins and the like |
09/29/1987 | US4696904 Apparatus and method for the determination of water by liquid chromatography |
09/29/1987 | US4696187 Chromatography method |
09/23/1987 | EP0237817A2 Chromatographic column for immunologic analysis methods |
09/22/1987 | US4695555 Liquid chromatographic detector and method |
09/22/1987 | US4694682 Analysis of organic additives in plating baths using novel chromatographic methods in a mass balance approach |
09/16/1987 | EP0237310A2 Optical detector |
09/16/1987 | EP0237301A2 Sulfonic derivatives of acylated polyethyleneimine bonded phase silica products |
09/16/1987 | EP0236990A2 Gradient system |
09/16/1987 | EP0236982A2 Pump |