| Patents for C01G 55 - Compounds of ruthenium, rhodium, palladium, osmium, iridium, or platinum (1,459) |
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| 05/02/1991 | EP0424776A1 Process for obtaining rutheniumtetroxide by oxidation of aqueous solutions of alkaliruthenates |
| 05/02/1991 | EP0424736A1 Process for the recuperation of rhodium from residues of the destillation of products from oxosynthesis |
| 04/09/1991 | US5006166 Recovery of noble metals |
| 02/13/1991 | CN1011599B Chemical sepn. for platinum from rhodium |
| 02/12/1991 | US4992207 Composition for extraction of metal ions and oxanions |
| 02/05/1991 | US4990639 Oxidation of rhodium complex to water insoluble carboxylic acid salt; solvent extraction |
| 01/22/1991 | CA1279196C Process for purifying silver refinery slimes |
| 01/08/1991 | US4983372 Quantitative conversion of rhodium to hexachlororhodic acid and rhodium iodide; nitration with nitric acid and hydrogen peroxide |
| 01/02/1991 | EP0405891A2 High surface area oxide compositions and their use in the conversion of light hydrocarbons |
| 12/27/1990 | EP0404327A1 Recovery of pure platinum and palladium |
| 12/26/1990 | CA2018515A1 High surface area oxide compositions with a pyrochlore structure, methods for their preparation and, conversion processes utilizing same |
| 12/18/1990 | US4978513 Catalyst for the oxidation of carbon compounds |
| 12/04/1990 | US4974816 Controlling oxidation |
| 11/13/1990 | WO1990013605A1 Magnetic materials and products made therefrom |
| 11/13/1990 | CA2054741A1 Magnetic materials and products made therefrom |
| 11/07/1990 | EP0395799A2 Pyrochlore related oxide and resistive paste comprising it |
| 10/09/1990 | US4961856 Contacting aqueous solution containing palladium with solution of substituted heterocyclic ring compound |
| 10/02/1990 | US4960573 Recovering method of catalytic component and carrier from waste catalyst |
| 07/31/1990 | US4945174 Palladium-based complexes |
| 07/31/1990 | US4945075 Oxidative secondary rhodium recovery process |
| 07/31/1990 | US4944927 Solvent extraction using acetic acid and water mixture |
| 07/31/1990 | CA1272011A1 Process for forming solid solutions |
| 07/25/1990 | EP0227692B1 Thin layer consisting essentially of ruthenium salt |
| 07/11/1990 | CN1008693B Catalyst recovery process |
| 07/03/1990 | US4938895 Process for removing radioactive ruthenium from aqueous solution |
| 06/19/1990 | US4935550 Catalytic metal recovery from non-polar organic solutions |
| 05/17/1990 | WO1990005114A1 Process for removal of soluble platinum group metal catalysts from liquid product mixtures |
| 05/16/1990 | EP0367957A2 Process for recovering rhodium |
| 05/15/1990 | US4925485 Process for the isolation of noble metals |
| 05/09/1990 | EP0367492A2 Process for removal of soluble platinum group metal catalysts from liquid product mixtures |
| 04/11/1990 | EP0362325A1 Chelating resins and process for using them in the extraction of metallic ions. |
| 04/10/1990 | US4916109 Palladium zirconium oxide |
| 03/28/1990 | CN1040826A Transition metal recovery |
| 03/28/1990 | CN1040825A Catalytic metal recovery from non-polar organic solutions |
| 03/21/1990 | EP0359597A1 Palladium complexes |
| 03/14/1990 | EP0357862A1 Process for preparing chlororhodiumic acid |
| 02/28/1990 | EP0355837A2 Transition metal recovery |
| 02/14/1990 | EP0354588A1 Catalytic metal recovery from nonpolar organic solutions |
| 02/13/1990 | US4900520 Process for removal of soluble platinum group metal catalysts from liquid product mixtures |
| 02/01/1990 | DE3826281A1 Transition metal chalcogenide of the composition MX2, process for the preparation of MX2 material and use thereof |
| 01/16/1990 | USRE33149 Finely particulated colloidal platinum compound and sol for producing the same and method of preparation of fuel cell electrodes and the like employing the same |
| 01/10/1990 | EP0349698A1 Process for preparing rhodium nitrate solution |
| 01/03/1990 | EP0348991A2 Method for evaporation treatment of ruthenium-containing nitric acid solution |
| 01/03/1990 | EP0348833A2 Process for the separation and recuperation of rhodium from oxysynthesis products |
| 12/28/1989 | DE3920144A1 Orbital umgelagerte, monoatomare elemente, verfahrenzu ihrer herstellung und ihre weiterverarbeitung Orbital rearranged monoatomic, elements, verfahrenzu their production and their further processing |
| 12/05/1989 | US4885143 Method for the interseparation of platinum group metals |
| 11/28/1989 | CA1263365A1 Catalyst recovery process |
| 11/14/1989 | US4880546 Recovery of transition metals from aqueous solutions |
| 11/09/1989 | EP0294387A4 Method and apparatus for biological processing of metal-containing ores. |
| 10/05/1989 | WO1989009238A1 Chelating resins and process for using them in the extraction of metallic ions |
| 10/03/1989 | US4871879 Rhodium recovery from hydroformylation reaction product |
| 09/27/1989 | CN1035851A Solvent extraction process |
| 09/20/1989 | CN1035622A New extracting device of solvent with compact structure |
| 09/19/1989 | CA1259471A1 Catalyst recovery process |
| 09/13/1989 | EP0332314A2 Solvent extraction process |
| 09/12/1989 | CA1259196A1 Method for eluting a metal adsorbed on an chelating agent |
| 08/30/1989 | EP0330335A1 Precious metal refining |
| 08/22/1989 | US4859445 Process for preparing chlororhodiumic acid |
| 08/03/1989 | DE3802236A1 Mixture of material for producing a metal chalcogenide and use of such a mixture |
| 07/26/1989 | EP0221136B1 Catalyst recovery process |
| 07/26/1989 | CN1034143A Chemical sepn. for platinum from rhodium |
| 07/12/1989 | CN1033794A Rhodium recovery from hydroformylation reaction product |
| 07/12/1989 | CN1033748A Recovery of noble metals |
| 07/05/1989 | EP0322661A2 Process for the recuperation of rhodium from aqueous solutions containing complex rhodium compounds |
| 07/04/1989 | US4844879 Process for preparing rhodium nitrate solution |
| 05/30/1989 | CA1254831A1 Combination modality cancer therapy |
| 05/03/1989 | EP0314434A1 Rhodium recovery from hydroformylation reaction product |
| 05/03/1989 | EP0314352A1 Recovery of noble metals |
| 01/18/1989 | EP0299485A1 Catalyst for oxidation of hydrocarbon compounds |
| 12/14/1988 | EP0294387A1 Method and apparatus for biological processing of metal-containing ores. |
| 11/22/1988 | US4786481 Method for eluting a metal adsorbed on a chelating agent |
| 11/08/1988 | CA1244476A1 Extractants and method for the recovery of palladium |
| 09/27/1988 | US4774026 Semiconductor photocatalyst, electromagnetic waves |
| 08/31/1988 | EP0280510A1 Palladium electroplating bath and process for plating |
| 08/23/1988 | US4765834 Process for the recovery of metal values |
| 07/05/1988 | US4755369 Production of ultrafine particles |
| 05/03/1988 | CA1235908A1 Process for the isolation of noble metals |
| 04/13/1988 | EP0263694A2 Process for removing radioactive ruthenium from aqueous solution |
| 03/15/1988 | US4731187 Removal of heavy metals from waste water |
| 03/03/1988 | DE3711801C1 Process for separating off and purifying the platinum group metals by precipitation |
| 03/03/1988 | DE3711800C1 Process for separating off and purifying the platinum group metals by solvent extraction |
| 02/23/1988 | US4726841 Solvent extraction using an secondary amide |
| 02/10/1988 | EP0255673A2 Process for the recovery of rhodium from aqueous solutions containing rhodium complex compounds |
| 02/03/1988 | EP0255389A1 Process for recovering metals |
| 02/02/1988 | US4722831 Leaching with hydrochloric acid, leaving gold in residues |
| 01/05/1988 | CA1230977A1 Process for separating and purifying metals of the platinum group (i) |
| 01/05/1988 | CA1230976A1 Process for producing and purifying metals of the platinum metals (ii) |
| 11/11/1987 | EP0244921A2 Method for recovering platinum in a nitric acid plant |
| 11/10/1987 | US4705896 Novel extractants for the recovery of palladium |
| 09/02/1987 | CN87100396A Catalyst recovery process |
| 08/26/1987 | EP0233498A2 Process and apparatus of photoelectrocalalytically reducing noble metals in a nitric acid solution |
| 08/13/1987 | WO1987004694A1 Method and apparatus for biological processing of metal-containing ores |
| 08/05/1987 | EP0230906A2 Process for the recovery of iodine and noble metal catalyst |
| 07/21/1987 | US4681091 Combination modality cancer therapy |
| 07/14/1987 | US4680168 Extraction of Group 8 metals from organic solutions |
| 07/08/1987 | EP0227692A1 Thin layer consisting essentially of ruthenium salt. |
| 07/07/1987 | US4678505 Process for forming solid solutions |
| 07/07/1987 | CA1223741A1 Extraction of silver and palladium metals from aqueous solutions using tertiary phosphine sulfides |
| 06/30/1987 | US4676909 Process for recovering noble metals from their cyanide complexes |
| 06/23/1987 | CA1223125A1 Direct recovery of precious metals by solvent extraction and selective removal |