| Patents for B01D 59 - Separation of different isotopes of the same chemical element (5,386) |
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| 06/18/1991 | US5024749 Ion exchange resin separators |
| 06/18/1991 | US5024741 Hybrid isotope separation scheme |
| 06/18/1991 | US5024739 Novel hybrid isotope separation scheme and apparatus |
| 06/11/1991 | US5023061 Chromatographic separation of zirconium isotopes with anhydrous readily recyclable eluents |
| 05/14/1991 | US5015348 High mass isotope separation arrangement |
| 04/30/1991 | US5012106 Axi-symmetrical flow reactor for 196 Hg photochemical enrichment |
| 04/30/1991 | US5011584 Method for separating a predetermined isotope of an element from a gaseous compound containing said element |
| 04/16/1991 | CA1282938C Process for enriching and separating oxides of heavy hydrogen isotopes from acid, aqueous solutions or other aqueous streams |
| 03/28/1991 | WO1991004781A1 Instrument and method for the laser desorption of ions in mass spectrometry |
| 03/27/1991 | EP0419167A1 Isotopic composition analyzer |
| 03/20/1991 | EP0417327A1 Enrichment of carbon thirteen |
| 03/01/1991 | WO1991003308A1 Method of concentrating oxygen 18 with laser |
| 02/26/1991 | US4996033 Recovering deuterium |
| 02/20/1991 | EP0231239B1 Method for electrophoretic separation |
| 02/05/1991 | CA1279937C Thermal cycle recirculating pump for isotope purifier |
| 01/16/1991 | EP0407471A1 A catalytic method for concentrating isotopes |
| 01/07/1991 | WO1991001055A1 Solid laser with a transmission wavelength of 0.5-0.65 micrometres |
| 01/07/1991 | CA2035889A1 0.5 - 0.65 micrometre wavelength solid laser |
| 01/01/1991 | US4981565 Temperature control |
| 01/01/1991 | US4981562 Electrolytic recovery of mercury enriched in isotopic abundance |
| 12/11/1990 | US4976938 Hydrogen isotope separation utilizing bulk getters |
| 12/07/1990 | WO1990015658A1 Miniaturized mass spectrometer system |
| 11/29/1990 | WO1990014148A1 Multiply charged ions and a method for determining the molecular weight of large molecules |
| 11/29/1990 | CA2032490A1 Multiply charged ions and a method for determining the molecular weight of large molecules |
| 11/27/1990 | US4973841 Precision ultra-sensitive trace detector for carbon-14 when it is at concentration close to that present in recent organic materials |
| 10/18/1990 | WO1990011818A1 Enrichment of carbon thirteen |
| 10/16/1990 | US4963783 Electroded photochemical lamps for photochemical mercury separation |
| 09/26/1990 | EP0131572B1 Method of and apparatus for isotope separation |
| 09/19/1990 | EP0388184A2 On-line method of determining utilization factor in HG-196 photochemical separation process |
| 09/19/1990 | EP0388183A2 A novel hybrid isotope separation scheme |
| 09/19/1990 | EP0388182A2 Method and apparatus to measure mercury density in a flow reactor used for HG-196 isotope separation |
| 09/19/1990 | EP0388181A2 A novel hybrid isotope separation scheme |
| 09/15/1990 | CA2012188A1 Method and apparatus to measure mercury density in a flow reactof used for hg-196 isotope separation |
| 09/15/1990 | CA2012187A1 Hybrid isotope separation scheme |
| 09/15/1990 | CA2012186A1 Hybrid isotope separation scheme |
| 09/15/1990 | CA2012179A1 On-line method of determining utilization factor in hg-196 photochemical separation process |
| 09/12/1990 | EP0386710A1 Vacuum switch apparatus |
| 08/21/1990 | US4951287 Atomic vapor laser isotope separation process |
| 08/14/1990 | US4948478 Uranium isotope separation process following the molecular laser process |
| 08/07/1990 | US4946567 Apparatus for the distribution of laser beams used during a selective reaction in a process for isotope separation by lasers |
| 07/31/1990 | US4944777 Separating hydrogen from a mixture of substances |
| 07/31/1990 | US4944573 Device for distributing laser beams used in an isotopic separation method |
| 07/31/1990 | CA1272140A1 Separating hydrogen from a mixture of substances |
| 07/17/1990 | US4941956 Method of enriching the isotope carbon 13 by means of laser irradiation |
| 07/03/1990 | CA1271142A1 Gas chromatographic method for separating hydrogen isotopes |
| 06/27/1990 | EP0375466A1 Method and apparatus for controlling the flow rate of mercury in a flow system |
| 06/23/1990 | CA2006283A1 Method and apparatus for controlling the flow rate of mercury in a flow system |
| 06/12/1990 | US4933162 Contacting with silicate absorber |
| 05/01/1990 | US4922214 Apparatus to couple laser radiation and microwave energy using a microwave waveguide |
| 04/25/1990 | EP0364628A1 Gas, isotope, and liquid separations by membranes |
| 04/19/1990 | CA2000018A1 Spectacular break-through in gas, isotope and liquid separations and a revolutionary advance in and a master key for membrane technology and science |
| 04/04/1990 | CN1007473B Flight time mass spectrometer |
| 03/28/1990 | EP0360296A2 Process and device for separating and determining atoms |
| 03/07/1990 | EP0357148A1 A method of, and apparatus for, separating isotopes |
| 02/22/1990 | DE3828052A1 Slot die arrangement and use thereof for the adiabatic expansion of a gas mixture in the separation of uranium isotopes |
| 01/23/1990 | US4896035 High mass ion detection system and method |
| 12/19/1989 | US4888033 Thin layer of aluminum hydroxide solution |
| 12/07/1989 | DE3817635A1 Process for the separation or enrichment of isotopes or molecules |
| 10/05/1989 | WO1989009182A1 A catalytic method for concentrating isotopes |
| 09/19/1989 | US4867762 Dehydration, desulfurification, hydrogen adsorption-separation stage of zeolite type |
| 09/13/1989 | CN1035444A Separation of stable carbon isotopes |
| 09/06/1989 | EP0331575A1 Device for dividing laser beams used in a process for separating isotopes by means of lasers |
| 09/06/1989 | EP0331208A2 Process for producing a metallic body having a multiplanar microstructure |
| 08/22/1989 | US4859427 Active metal bed |
| 08/22/1989 | US4859326 Electrolytic tubular mixer-settler |
| 08/16/1989 | EP0328223A1 An apparatus for separating isotopes of uranium |
| 08/16/1989 | EP0328161A2 Process for producing a metallic body having a multiplanar microstructure |
| 08/08/1989 | US4855594 Apparatus and process for improved detection limits in mass spectrometry |
| 07/26/1989 | EP0325273A1 Method for the enrichment of carbon 13 by means of laser irradiation |
| 07/18/1989 | US4849075 Method of isotope enrichment |
| 07/04/1989 | CA1256704A1 Process for separating uranium isotopes by oxidation- reduction chromatography |
| 06/14/1989 | EP0320386A1 Device for distributing laser beams used in a selective reaction in an isotopic separation process by laser |
| 06/13/1989 | US4839524 Filter for isotopic alteration of mercury vapor |
| 05/30/1989 | US4835383 High mass ion detection system and method |
| 05/24/1989 | EP0317054A2 Low temperature gas chromatography apparatus and method |
| 05/03/1989 | DE3735200A1 Method of producing laser radiation at a high repetition rate in the infrared band, especially for uranium isotope separation |
| 04/25/1989 | US4824537 Working substances used in laser isotope separation and method of laser isotope separation |
| 04/04/1989 | US4818863 Ion source for use in a mass spectrometer |
| 03/28/1989 | US4817101 Heterodyne laser spectroscopy system |
| 03/28/1989 | US4816209 Supplying to reservoir containing deionized water at boiling point |
| 02/09/1989 | WO1989000883A1 High mass ion detection system and method |
| 02/07/1989 | US4803057 Zones for oxidation-reduction with anionic exchanger; elution for activation and deactivation |
| 01/31/1989 | US4801365 Isotope separation and enrichment |
| 01/24/1989 | US4800284 Filter for isotopic alteration of mercury vapor |
| 01/17/1989 | US4798467 Heterodyne laser instantaneous frequency measurement system |
| 01/10/1989 | US4797181 Immobilized enzymes |
| 01/04/1989 | EP0297994A2 Process for the chromatographic separation, especially of isotopes or ions with the aid of ion exchange resin coatings and suitable resins for the process |
| 12/28/1988 | CN87101066A Uranium isotope separation method by using continuous three-step resonant laser to excite photochemical reaction |
| 12/27/1988 | US4793907 Method for isotope enrichment of mercury-196 by selective photoionization |
| 12/22/1988 | DE3825155A1 Vortex tube with ultrasonic inflow |
| 12/13/1988 | CA1246325A1 Low temperature condensate adherence method and apparatus |
| 12/07/1988 | EP0293730A1 Process and device for purifying a gas containing isotopes of hydrogen |
| 12/06/1988 | US4789784 Apparatus for isotopic alteration of mercury vapor |
| 11/29/1988 | US4788051 Isotope exchanging |
| 11/22/1988 | US4786478 Method and apparatus for isotope separation |
| 10/25/1988 | US4780116 Column packed with adsorbent having cooling tube for immersion suspended in pressure vessel with heater; hydrogen isotope separation |
| 10/25/1988 | CA1243535A1 Method for producing separating nozzle elements for the separation of fluid mixtures |
| 10/19/1988 | EP0286762A1 Arrangement for obtaining a selective reaction during photochemical processes by means of laser beams, comprising means for distributing these beams |
| 10/04/1988 | US4775453 Separation method of boron isotopes |
| 10/04/1988 | CA1242677A1 Method and apparatus for the infinitely variable setting of the tails u235 concentration of gas centrifuge cascades for the separation of uranium isotopes |