| Patents for C01B 23 - Noble gases; Compounds thereof (1,372) |
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| 06/17/1986 | US4595642 For obtaining argon gas from oxygen gas containing argon |
| 06/17/1986 | US4595405 Process for the generation of gaseous and/or liquid nitrogen |
| 05/07/1986 | EP0180362A1 Supported organometallic compounds for utilization in purification of fluids |
| 04/01/1986 | US4579723 Methods for purifying inert gas streams |
| 07/16/1985 | US4529412 Process for obtaining high concentration argon by pressure-swing-adsorption |
| 07/09/1985 | US4528080 Photochemical method for the separation of mixtures of xenon and krypton |
| 07/03/1985 | EP0146909A2 Method of removing oxygen from a gas mixture containing oxygen and argon |
| 06/25/1985 | US4525186 Method for producing isotopically enriched helium-4 and use of same as nuclear reactor coolant |
| 04/23/1985 | US4512780 Pressure swing adsorption with intermediate product recovery |
| 01/23/1985 | EP0132239A2 Gas separation process |
| 12/11/1984 | US4487023 Process for preparing a gasified ice product |
| 11/13/1984 | US4482360 Porous materials for concentration and separation of hydrogen or helium, and process therewith for the separation of the gas |
| 10/16/1984 | US4477265 From a oxegen and nitroge gas stream |
| 08/21/1984 | US4466812 Zeolite encapsulating material |
| 07/24/1984 | US4461631 Zeolite encapsulating material |
| 07/04/1984 | EP0112640A1 Process for obtaining high concentration argon by pressure-swing-adsorption |
| 05/08/1984 | US4447407 Solid propellants; high explosives |
| 04/24/1984 | US4444572 Adsorption with microporous charcoal |
| 01/31/1984 | US4428913 Perfluoroammonium salt of heptafluoroxenon anion |
| 12/20/1983 | US4421531 Adiabatic pressure swing absorption process for removing low concentrations of oxygen from mixed gas streams |
| 11/29/1983 | US4417909 Removing xenon and krypton from argon and nitrogen |
| 11/02/1983 | EP0092695A1 Process for the recovery of rare gases having small atomic diameters, especially helium from gas mixtures containing oxygen and/or nitrogen |
| 09/27/1983 | US4406867 Process for the purification of non-reacting gases |
| 08/23/1983 | US4400183 Processes for separating the noble fission gases xenon and krypton from waste gases from nuclear plants |
| 02/09/1983 | EP0071553A1 Process and apparatus for the purification of helium contained in a gaseous mixture |
| 01/18/1983 | US4369048 Method for treating gaseous effluents emitted from a nuclear reactor |
| 10/19/1982 | US4354857 Method and apparatus for separating gas molecules using a bipolar membrane as a molecular sieve |
| 08/17/1982 | CA1129626A1 Processes for separating at least one gas from a gaseous feed mixture by using at least two permeator stages in series |
| 07/06/1982 | US4338108 From mixture with hydrogen, nitrogen and methane |
| 06/01/1982 | CA1124622A1 Etching method employing radiation |
| 03/02/1982 | CA1119108A1 Method of purifying crude argon |
| 02/02/1982 | US4313916 Process for the purification of non-reacting gases |
| 12/15/1981 | US4305261 Controllable phase separator for sealing containers filled with superfluid helium |
| 12/08/1981 | US4304634 Method for producing isotopically enriched helium-4 and use of same as nuclear reactor coolant |
| 09/08/1981 | CA1108513A1 Etching method using noble gas halides |
| 08/11/1981 | US4283367 Plant for separating krypton and xenon from radioactive waste gases |
| 08/05/1981 | EP0032949A1 Method for treating a nuclear process off-gas stream |
| 07/07/1981 | US4277363 Method for processing a mixture of air and rare gases, especially xenon and krypton |
| 02/19/1981 | WO1981000413A1 Method for treating a nuclear process off-gas stream |
| 12/16/1980 | US4239509 Method of purifying crude argon |
| 12/10/1980 | EP0020051A1 Process for the purification of non-reacting gases |
| 11/26/1980 | EP0019303A2 Process for extracting xenon and/or krypton from a carrier gas |
| 10/28/1980 | US4230547 Method for separating krypton isotopes |
| 10/15/1980 | EP0017538A1 Process and apparatus for obtaining substantially pure argon |
| 10/07/1980 | US4226666 Etching method employing radiation and noble gas halide |
| 03/11/1980 | CA1073188A1 Method for recovering argon as contained in the blowing gases coming from an a.o.d.-converter |
| 03/05/1980 | EP0008348A1 A method of etching a surface |
| 03/05/1980 | EP0008347A1 A method of etching a surface |
| 02/26/1980 | US4190488 Etching method using noble gas halides |
| 02/20/1980 | EP0008273A1 A process for treating effluent gases arising from the reprocessing of irradiated nuclear fuels |
| 01/09/1980 | EP0006320A1 Method of purifying crude argon |
| 03/20/1979 | USRE29941 Method and apparatus for separating gases |
| 02/27/1979 | CA1049419A1 Method and apparatus for separating gases |
| 01/09/1979 | CA1045967A1 Adsorption-distillation system for separation of radioactive krypton and xenon |
| 11/14/1978 | US4125477 Process for treating radioactive waste gases |
| 07/18/1978 | US4101375 Distillation of liquified natural gas source halium, use as nuclear reactor coolant |
| 06/06/1978 | US4093429 Gas separation system |
| 05/30/1978 | US4092133 Process and apparatus for treating a waste gas including combustible gases and radioactive Kr-85 |
| 03/21/1978 | US4080429 Carrier gases, cooling using liquid nitrogen |
| 03/14/1978 | US4078907 Separation and purification of xenon |
| 10/25/1977 | US4055625 Liquefying, cryogenic distillation |
| 10/18/1977 | US4054427 Method of recovering krypton and xenon nuclides from waste gases |
| 03/15/1977 | US4012490 Krypton, xenon |
| 11/23/1976 | US3993540 Helium cooled nuclear reactors |
| 11/23/1976 | US3992893 Method for the production of superfluid helium under pressure at very low temperature and an apparatus for carrying out said method |
| 09/21/1976 | US3981699 Purifier |
| 07/27/1976 | US3971640 Method of separating krypton-xenon concentrate from air |
| 06/29/1976 | US3966433 Gettering |
| 06/22/1976 | US3964866 Helium reclamation |
| 06/15/1976 | US3963462 Method of purifying a neon-helium mixture |
| 06/15/1976 | US3963460 Method and apparatus for treating waste gases containing radioactive impurities, particularly krypton and xenon nuclides |
| 03/16/1976 | US3944400 Method and apparatus for separating gases |