| Patents for G21F 9 - Treating radioactively contaminated material; Decontamination arrangements therefor (8,212) |
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| 09/04/1990 | CA1273523A1 Aeration device for closed volume |
| 08/28/1990 | US4952339 Dewatering nuclear wastes |
| 08/22/1990 | EP0383153A1 Device for containers with radioactive waste for the reduction of internal pressure caused by the formation of hydrogen |
| 08/22/1990 | EP0383049A1 Respirator filter means for removal of tritiated water |
| 08/22/1990 | EP0382850A1 Process for cementing radioactive waste and product of cementation |
| 08/22/1990 | EP0382828A1 Decontamination method. |
| 08/22/1990 | EP0192777B1 Method of and apparatus for treating radioactive waste |
| 08/21/1990 | US4950426 Immobilization of wastes; leakage barriers |
| 08/21/1990 | US4950425 Alkali chromate catalyst; hydrogen peroxide oxidant |
| 08/21/1990 | US4950105 Inspectable vault system for the disposal of radioactive waste having a liquid collection system |
| 08/21/1990 | US4950086 Structure having radioactive plant components |
| 08/16/1990 | WO1990009668A1 Stable sodium tetraphenylborate solutions |
| 08/16/1990 | EP0381834A1 Process for the disposal and reuse of partially weakly contaminated cables from nuclear installations |
| 08/16/1990 | DE4008569A1 Storage of highly radioactive waste from nuclear plants - using inter-continental rockets for transportation into outer space |
| 08/14/1990 | US4948519 Inclining container towards outlet, charging residual liquid with pulsating compressed gas to break up sedimented solids |
| 08/14/1990 | US4948411 Glass melting furnace for glazing environmentally hazardous wastes |
| 08/09/1990 | WO1990009026A1 Process for decontaminating materials that have been attacked by metallic ions or by radioactive substances |
| 08/09/1990 | DE3903445A1 Process for removing iodine and iodine compounds from hydrogen-containing gases and vapours |
| 08/08/1990 | EP0381091A2 Method for the determination of an enzyme from a mixture of isoenzymes, test carrier suited for the method and its use |
| 08/02/1990 | DE4002316A1 Verfahren zum behandeln von hochradioaktivem abfall Method for the treatment of high-level radioactive waste |
| 08/02/1990 | DE3901783A1 Method for the final storage of weakly contaminated building rubble from the demolition of nuclear installations |
| 08/02/1990 | CA2009125A1 Process and test carrier for the determination of an enzyme from an isoenzyme mixture |
| 08/01/1990 | EP0379895A1 Process for removal of iodine and iodine compounds from hydrogen containing gases and vapours |
| 07/31/1990 | US4944911 Nuclear fuel assembly structure compacting device |
| 07/26/1990 | WO1990008385A1 Method for radioactive decontamination of metal surfaces, particularly portions of primary circuits of water-cooled nuclear reactors |
| 07/26/1990 | WO1990008107A1 Electrochemical cells |
| 07/26/1990 | DE3912702C1 Decontaminating solid and semi-solid materials - by spraying with dissociation fluid, performing selective ion exchange, etc. |
| 07/26/1990 | DE3901784A1 Process and adsorbent for removing iodine and/or organic iodine compounds from gases and/or vapours |
| 07/24/1990 | US4943395 Glass frit cartridge, reducing agents |
| 07/24/1990 | US4943394 Method of storing radioactive waste without risk of hydrogen escape |
| 07/17/1990 | US4942594 Removal of metals, oxidation |
| 07/17/1990 | US4941998 Method of washing a solvent in the reprocessing of irradiated nuclear fuels |
| 07/17/1990 | US4941896 Venturi device with suction openings for power plants and industries |
| 07/11/1990 | EP0180826B1 Process for chemically decontaminating the metallic main components and systems of nuclear reactors |
| 07/10/1990 | CA1271333A1 Process and apparatus for decontaminating plant parts contaminated with radioactive material |
| 07/04/1990 | CN1008670B Reservaiv, especially the deactiviation water cistern of a nuclear power station |
| 07/03/1990 | USH800 Method for gettering organic, inorganic and elemental iodine in aqueous solutions |
| 07/03/1990 | US4938895 Process for removing radioactive ruthenium from aqueous solution |
| 07/03/1990 | US4938156 Combustion with catalyst |
| 07/03/1990 | US4937881 Garment device for handling and storing noxiuos materials |
| 06/28/1990 | WO1990007186A1 Concentration of radioactive liquid waste |
| 06/26/1990 | US4936878 Method for cleansing gas and apparatus herefor |
| 06/21/1990 | DE3941587A1 Treatment of radioactive water - using evaporator-drier, alcohol, esterification, saponification and distillation stages |
| 06/21/1990 | DE3842380A1 Cylindrical container made of steel for the intermediate and final storage of dangerous materials |
| 06/20/1990 | EP0373997A1 Container for storing radioactive waste |
| 06/20/1990 | EP0373936A1 Pressure pulse method and system for removing debris from nuclear fuel assemblies |
| 06/20/1990 | EP0373557A2 Process for operating a glass melting furnace |
| 06/20/1990 | EP0250327B1 Ultrafiltration, hyperfiltration or demineralization element, process for producing the same and its use in treating radioactive liquid wastes |
| 06/19/1990 | US4935167 Encasing in a metallic shield, incineration, adding causic powder, compacting, cooling and filtering exhaust gases |
| 06/19/1990 | CA1270428A1 Process for decontaminating materials contaminated by radioactivity |
| 06/14/1990 | WO1990006480A1 Closed cryogenic barrier for containment of hazardous material in the earth |
| 06/14/1990 | WO1990006402A1 Initiating in-situ vitrification using an imgregnated cord |
| 06/13/1990 | DE3840794A1 Process for the preparation of a solid waste product for the ultimate storage of radioactive substances |
| 06/13/1990 | CN1008396B Method and apparatus for processing waste matter |
| 06/12/1990 | US4933162 Contacting with silicate absorber |
| 06/12/1990 | US4933113 Reacting with hydrofluoric acid, distilling, accumulating, removing and recycling |
| 06/12/1990 | US4932853 Staged mold for encapsulating hazardous wastes |
| 06/08/1990 | CA2004688A1 Method for initiating in-situ vitrification using an impregnated cord |
| 06/06/1990 | EP0371825A2 Method and apparatus for removal of obstructions in thimbles of nuclear power stations |
| 06/05/1990 | US4931263 Wet-process stack gas purification method |
| 06/05/1990 | US4931222 Process for treating radioactive liquid waste containing sodium borate and solidified radioactive waste |
| 06/05/1990 | US4931192 Method for the disposal of hazardous non-polar organic wastes |
| 06/05/1990 | US4931153 Electrolytic treatment of radioactive liquid waste to remove sodium |
| 06/05/1990 | CA1270073A1 Encapsulation of waste material |
| 05/31/1990 | WO1990005984A1 Processing of a dry precursor material |
| 05/30/1990 | EP0370238A1 Method of preparing samples for the analysis of particulate compounds in a liquid |
| 05/29/1990 | US4929394 Hot isostatic pressing |
| 05/22/1990 | US4927796 Compositions for purifying liquids |
| 05/22/1990 | US4927564 High density |
| 05/17/1990 | WO1990005365A1 Process for preparing radioactive waste for final storage |
| 05/17/1990 | WO1990005115A1 Phosphonic acids and their uses in separation |
| 05/17/1990 | DE3838531A1 Device for the detection of infected and poisoned breathing air |
| 05/15/1990 | US4925643 Regeneration of nitrous acid by oxidation with direct application of heated nitric acid |
| 05/15/1990 | US4925597 Lubricants, precipitation |
| 05/15/1990 | US4925566 Ultrafiltration, hyperfiltration or demineralization element, its production process and its use for the treatment of liquid radioactive effluents |
| 05/09/1990 | EP0366708A1 Probe for optically monitoring progress of in-situ vitrification of soil |
| 05/08/1990 | US4923668 Method for handling a fuel element skeleton |
| 04/24/1990 | US4919822 Injecting waste into buffer at bottom; removing displaced brine at surface |
| 04/24/1990 | US4919190 Radioactive waste material melter apparatus |
| 04/19/1990 | WO1990004053A1 Electric surface-polishing device |
| 04/18/1990 | EP0363621A1 Press for compacting elongate radioactive components and method for operating same |
| 04/17/1990 | US4917854 Method and arrangement for consolidating and storing nozzles removed from nuclear fuel assemblies |
| 04/17/1990 | US4917825 Solvent extraction with 2-methyl-2-heptyl nonanoic acid and dicyclohexano-21-crown- |
| 04/12/1990 | DE3833134A1 Device for keeping radioactive materials |
| 04/05/1990 | WO1990003648A1 Hot pressing of particulate materials |
| 04/05/1990 | DE3833676A1 Process for the final storage of bound waste materials |
| 04/04/1990 | EP0361773A1 Method of recovering radioactive iodine in a spent nuclear fuel retreatment process |
| 04/04/1990 | EP0360797A1 Store. |
| 04/03/1990 | US4913849 Potassium permanganate and chromic acid |
| 04/03/1990 | US4913835 Novel compositions and method for neutralization and solidification of hazardous alkali spills |
| 04/03/1990 | CA1267289A1 Process for the separation of metals from aqueous media |
| 03/29/1990 | DE3831544A1 Use of organo-mineral products for consolidating and/or sealing formations which are exposed to increased high-energy radiation |
| 03/28/1990 | EP0360171A2 A method for recycling plastic composite materials |
| 03/27/1990 | US4911879 Apparatus for the recombination of hydrogen and oxygen |
| 03/27/1990 | US4911576 Method for storing toxic waste material |
| 03/20/1990 | US4909141 Pressing device |
| 03/20/1990 | CA1266768A1 Process for bituminizing radioactive waste constituted by cation and/or anion exchange resins |
| 03/14/1990 | EP0358431A1 Spent fuel treatment method |
| 03/14/1990 | EP0357917A1 Protective filter |
| 03/13/1990 | US4908515 Method of efficiently storing spent nuclear fuel rods in a cylindrical container |