| Patents for C01G 37 - Compounds of chromium (1,613) |
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| 10/11/1989 | EP0190352B1 Alkali metal-carrying substance, and its use as catalyst |
| 10/05/1989 | WO1989009188A1 Process for recovering chromic anhydride from exhausted aqueous chromium plating bath solutions with exploitation of the recovered chromium |
| 09/26/1989 | CA1261589A1 Predetermined and enhanced densification in sintered metal oxides |
| 09/13/1989 | EP0332447A1 Selective removal of metal cations from aqueous effluent solutions |
| 08/24/1989 | WO1989007579A1 Superconducting oxide and method of producing the same |
| 08/02/1989 | EP0325942A1 Process for the preparation of chromium (III) oxide |
| 07/25/1989 | US4851092 Process for electrolytically pickling chromium-containing stainless steel |
| 07/05/1989 | EP0322619A1 Superconductor and process for its production |
| 07/04/1989 | US4844741 Thermostable rutile mixed phase pigments |
| 06/01/1989 | WO1989004717A1 Metallic oxide powders, their mixtures, systems of mixed metallic oxide powders, their mixtures and their use for catalytic dehydration of hydrocarbons |
| 05/30/1989 | US4834848 Electrical removal of chromium from chlorate solutions |
| 05/16/1989 | US4830780 Preparation of lanthanum chromate and lanthanum chromite powders by sol-gel |
| 05/10/1989 | EP0314987A2 Green chrome oxide, process of preparation and use |
| 05/09/1989 | US4828818 Chromium aerogel method of producing same and fluorinating process utilizing same |
| 05/05/1989 | WO1989003806A1 Preparation of lanthanum chromite powders by sol-gel |
| 04/26/1989 | EP0313282A2 Oxidation of metal (oxo)halides |
| 04/20/1989 | WO1989003244A1 Process for producing pulverulent mixed phases with a catalytic action |
| 04/18/1989 | CA1252799A1 Dispersions of magnetic particles and dispersants therefor |
| 04/18/1989 | CA1252752A1 Production of hexavalent chromium for use in chlorate cells |
| 03/28/1989 | US4816243 Hydrazine reducing agents |
| 03/01/1989 | EP0304851A2 Process for the preparation of modified ferromagnetic chromium dioxide |
| 02/14/1989 | CA1249924A1 Air electrode material for high temperature electrochemical cells |
| 02/08/1989 | EP0302368A2 Process for the production of sinterable powders for binary and multinary ceramic oxidic materials |
| 01/25/1989 | CN1030563A Method for extracting chromic oxide and its apparatus |
| 01/17/1989 | US4798708 Process for recovering chromium and other metal values from chromium bearing material |
| 12/07/1988 | EP0293685A2 Process for the preparation of stabilized acicular ferromagnetic chromiumdioxide |
| 11/17/1988 | EP0291493A1 Process for electrolytic pickling of chrome containing stainless steel |
| 11/01/1988 | US4781851 Preparation of ferromagnetic chromium dioxide |
| 09/27/1988 | US4773974 Production of hexavalent chromium for use in chlorate cells |
| 09/27/1988 | CA1242307A1 Removal of chromium from cell liquor |
| 09/21/1988 | EP0282619A1 Filiform corrosion-resistant primer coating composition and method for preventing filiform corrosion |
| 09/21/1988 | EP0282521A1 Improved binders for refractories |
| 09/20/1988 | US4772754 Process for the isolation of p-hydroxybenzaldehyde |
| 09/06/1988 | US4769293 Magnetic recording medium and production thereof |
| 09/06/1988 | US4769165 Process for synthesis of ferromagnetic chromium dioxide |
| 08/24/1988 | EP0279195A1 Process for synthesis of ferromagnetic chromium dioxide |
| 08/09/1988 | US4762961 Preparation of vanadium III oxidic compounds and dehydrogenation of paraffins |
| 08/02/1988 | US4761188 Coating with hydrotalcite solid solutions |
| 07/26/1988 | US4759922 Anhydrous sodium dichromate in flakes; process and apparatus for its preparation on an industrial scale |
| 06/29/1988 | EP0272964A1 Manufacturing process of zinc oxide-doped powders by coprecipitation |
| 05/31/1988 | US4748278 Process for the isolation of p-hydroxybenzaldehyde |
| 05/31/1988 | US4747974 Mixed Cr2 O3 paste for CrO2 synthesis |
| 05/31/1988 | US4747957 Brine treatment using ethylene carboxylic acid polymers |
| 05/31/1988 | US4747954 Ethylene-unsaturated acid copolymer |
| 05/04/1988 | EP0266128A2 Production of hexavalent chromium for use in chlorate cells |
| 05/03/1988 | US4741895 Decomposition of ammonium dichromate |
| 04/26/1988 | CA1235578A1 Process for reducing metal ions in aqueous solutions |
| 04/12/1988 | US4737355 Preparation of vanadium III oxidic compounds, and dehydrogenation of paraffins |
| 03/24/1988 | WO1988001990A1 Improved binders for refractories |
| 03/15/1988 | US4731198 Positively charged antimony pentoxide sol and preparation thereof |
| 03/15/1988 | US4731187 Removal of heavy metals from waste water |
| 01/12/1988 | US4719127 Metal oxide film |
| 01/07/1988 | EP0251589A2 Synthesis of crystalline binary oxides |
| 12/09/1987 | EP0248402A2 Magnetic recording medium and production thereof |
| 11/25/1987 | EP0246871A1 Removal of chromium from cell liquor |
| 11/19/1987 | EP0059212B1 Magnesium aluminium spinels |
| 11/03/1987 | US4704259 Removal of chromium from cell liquor |
| 10/14/1987 | EP0240841A2 Mixed chromic oxide paste for chromium dioxide synthesis |
| 10/14/1987 | EP0240770A1 Coated chromium dioxide particles |
| 10/13/1987 | US4699701 Electrochemical removal of chromium from chlorate solutions |
| 10/06/1987 | US4698220 Partitioned reduction process for ferromagnetic chromium dioxide |
| 09/30/1987 | EP0239096A2 Process for producing ferromagnetic chromium dioxide |
| 09/30/1987 | EP0239089A2 Partitioned reduction process for preparing ferromagnetic chromium dioxide |
| 09/30/1987 | EP0239087A2 Process for the stabilization of acicular ferromagnetic chromium dioxide |
| 09/30/1987 | EP0238713A2 Process for the preparation of chromium III oxide |
| 08/27/1987 | DE3605751A1 Process for separating organic impurities from chromium(III) sulphate solution containing sulphuric acid |
| 08/26/1987 | EP0233601A1 Use of mixed-phase rutile pigments for colouring plastics |
| 08/18/1987 | US4687643 Hydrated metal oxides; calcined |
| 07/14/1987 | US4680169 Removal of ammonium ion from acidic liquors |
| 07/08/1987 | EP0227893A2 Method of removing metal contaminants from solutions |
| 06/23/1987 | US4675307 Alkali metal-supported catalyst |
| 06/02/1987 | US4670244 Using ferrophosphorus reducing agent |
| 06/02/1987 | US4670177 Oxidation |
| 05/26/1987 | US4668483 Process for recovery of chromium |
| 05/19/1987 | US4666688 Hydrochloric acid and ammonium carbonate treatments |
| 05/12/1987 | US4664808 Membrane solvent extraction |
| 04/28/1987 | US4661634 Filtration through porous polymer particles in fiber form |
| 04/28/1987 | US4661408 Hydrolytically stable solid supports in heterogeneous immunoassays and bioaffinity separations |
| 04/28/1987 | EP0203189A4 Method of recovery of gold and other metals. |
| 04/28/1987 | CA1220945A1 Extracting chromium (iii) from aqueous solutions with 2-ethylhexyl acid phosphate |
| 04/16/1987 | DE3536116A1 Process for stabilising acicular ferromagnetic chromium dioxide |
| 04/08/1987 | EP0217352A2 Process for the improvement of ferromagnetic chromium dioxide |
| 02/25/1987 | EP0211305A2 Metal scavenging process |
| 02/25/1987 | CN85106854A Preparation of ferromagnetic chromium dioxide |
| 02/24/1987 | US4645611 Dispersion |
| 02/10/1987 | US4642207 Process for producing ultrafine particles of ceramics |
| 01/28/1987 | EP0209798A2 Process for the isolation of p-hydroxybenzaldehyde |
| 01/27/1987 | CA1217097A1 Aqueous chemical suspension for pyrolytic deposition of metal-containing film |
| 01/14/1987 | CN85105628A Nonpoisonous treatment of chromium slag and extraction of calcium and magnesium |
| 12/16/1986 | US4629616 From sulfuric acid wastes |
| 12/03/1986 | EP0203189A1 Method of recovery of gold and other metals |
| 11/25/1986 | CA1214382A1 Method for regenerating pickling acids |
| 10/28/1986 | US4619690 Reacting ore with sulfur oxide and oxygen; leaching |
| 10/22/1986 | EP0198110A2 Process for producing ferromagnetic chromium dioxide |
| 10/15/1986 | EP0197503A2 Positively charged antimony pentoxide sol and preparation thereof |
| 10/14/1986 | US4617061 Mixed phases having the composition Bi2-x Crx O3 |
| 10/14/1986 | CA1212549A1 Production of metal chlorides |
| 10/01/1986 | CN85100156A Colour hollow spherical corpuscle magnetic powder for magnetic flaw detecting and mfr. thereof |
| 09/17/1986 | CN85102681A Preparation of chromates |
| 08/19/1986 | US4606846 Mixed rare earth metal, divalent transition metal, aluminum oxide |