| Patents for C01G 17 - Compounds of germanium (532) |
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| 12/06/1994 | CA1333323C Crystalline (metallo) silicates and germanates |
| 12/06/1994 | CA1333322C Crystalline (metallo) silicates and germanates |
| 06/09/1994 | WO1994012502A1 Bis-crown calix[4]arenes, method for preparing same and use thereof for selectively recovering cesium and actinides |
| 06/08/1994 | CN1024926C Method for recovery of Ge from solution |
| 03/30/1994 | EP0468978B1 Process for recovering germanium |
| 03/22/1994 | US5296203 Recovery of niobium from irradiated targets |
| 01/11/1994 | US5277882 Contacting at least one phosphorus-bearing acid |
| 11/03/1993 | EP0568074A1 Process for the preparation of germanium dihalide ether adducts |
| 08/04/1993 | EP0553072A1 Synthetic porous crystalline material, its synthesis and use. |
| 05/19/1993 | CN1020711C Process for recovery of germanium from solutions containing germanium |
| 03/02/1993 | US5190735 Radioactive isotopes |
| 01/05/1993 | CA1312207C Recovery of germanium from aqueous solutions by solvent extraction |
| 06/16/1992 | US5122357 Crystalline microporous metal oxysulfide compositions |
| 06/02/1992 | US5118483 Hydrorefining catalysts |
| 04/30/1992 | WO1992006921A1 Synthetic porous crystalline material, its synthesis and use |
| 03/24/1992 | US5098685 Catalyst for the conversion of methanol to hydrocarbons |
| 02/12/1992 | CN1058617A Method for recovery of ge from solution |
| 02/05/1992 | EP0468978A1 Process for recovering germanium. |
| 08/20/1991 | US5041205 Hydrocarbon/oxygenate conversion using crystalline (metallo) silicates and germinates SUZ-2 |
| 07/30/1991 | US5036027 Niobium-lanthanum-boron composition, printed circuits |
| 07/09/1991 | US5030426 Biomining of gallium and germanium containing ores |
| 05/07/1991 | US5013337 Process for separating a mixture of molecular species using crystalline microporous metal sulfide compositions |
| 03/21/1991 | WO1991003424A1 Biomining of gallium and germanium containing ores |
| 01/02/1991 | CA1278417C Process for manufacture of metal oxide |
| 01/01/1991 | US4981569 Electric-field emulsion-breaking device |
| 12/04/1990 | US4975258 Sodium oxide, potassium oxide, quinuclidine, tetraethylammonium chloride or hydroxide and silicon or germanium oxide |
| 10/30/1990 | USRE33410 Liquid-liquid extraction of germanium from aqueous solution using hydroxy-oximes |
| 10/29/1990 | WO1990013677A1 Process for recovering germanium |
| 08/08/1990 | EP0380837A1 Process for reducing silicon, germanium and tin halides |
| 06/19/1990 | CA1270373A1 Process for the fluid-fluid extraction of gallium, germanium, or indium from liquid solutions |
| 06/13/1990 | DE3841212A1 Process for preparing germanium tetrafluoride |
| 06/12/1990 | US4933068 Hydrocarbon conversion process using crystalline microporous metal sulfide compositions |
| 04/10/1990 | US4915919 Recovery of germanium from aqueous solutions by solvent extraction |
| 02/28/1990 | EP0211855B1 Optical components |
| 02/27/1990 | US4904412 Emulsion-forming composition |
| 02/07/1990 | EP0353915A2 Novel crystalline (metallo) silicates and germanates |
| 02/07/1990 | EP0353914A2 Novel crystalline (metallo) silicates and germanates |
| 12/12/1989 | US4886648 Complexing with acid, extracting with organic solution, scrubbing, dissociating and precipitating |
| 11/14/1989 | US4880761 Amine templating agent, germanium or tin sulfides, selenides |
| 10/24/1989 | US4876412 Catalysis of methanol to hydrocarbons; calcined hydrate |
| 09/12/1989 | CA1259196A1 Method for eluting a metal adsorbed on an chelating agent |
| 08/29/1989 | US4861572 Process for manufacture of metal oxide |
| 06/27/1989 | US4842839 Elevated temperature chlorination |
| 06/06/1989 | US4836996 Mixing aqueous mixture comprising sodium oxide, silicon oxide, aluminum oxide and alkylated polymethylenediamine; roasting |
| 04/26/1989 | EP0313201A1 Recovery of germanium from aqueous solutions by solvent extraction |
| 04/25/1989 | US4824657 Hyhdriding with lithium hydride |
| 01/25/1989 | CN1030562A Process for recovery of germanium from solutions containing germanium |
| 01/18/1989 | EP0299901A2 Process for the recovery of germanium from solutions that contain it |
| 11/22/1988 | US4786481 Method for eluting a metal adsorbed on a chelating agent |
| 10/04/1988 | US4775479 Process for selectively recovering Ge and as from aqueous solutions |
| 08/16/1988 | US4764497 Amorphous, spherical inorganic compound and process for preparation thereof |
| 07/27/1988 | EP0275688A1 Process for manufacture of metal oxide |
| 07/19/1988 | US4757772 Sand collection system |
| 07/19/1988 | US4757770 Condensate sand collection system |
| 06/21/1988 | CA1238192A1 Method for the recovery of germanium |
| 05/11/1988 | EP0267180A2 Extraction liquid as well as its use in a process for treating Ge-containing aqueous solutions by liquid/liquid extraction |
| 05/03/1988 | US4741894 Method of producing halide-free metal and hydroxides |
| 05/03/1988 | US4741891 Selective catalyst for hydrocarbon conversion |
| 04/27/1988 | EP0264993A1 Process for selectively winning germanium and/or arsenic from aqueous solutions |
| 03/30/1988 | CN86108223A Method for recovery of germanium |
| 03/29/1988 | CA1234480A1 Process for producing germanes |
| 03/23/1988 | CN85109522B Solvent extraction process of germanium from distillation acid-residue solution |
| 01/07/1988 | EP0251589A2 Synthesis of crystalline binary oxides |
| 01/07/1988 | EP0251432A2 Method of producing halide-free metal oxides |
| 12/16/1987 | EP0249520A1 Process for recovering indium, germanium and/or gallium using ion exchangers containing phosphonic groups |
| 11/10/1987 | US4705674 Synthesis of zeolite EU-13 from a reaction mixture containing tetramethylammonium compound |
| 07/07/1987 | US4678647 Process for the recovery of gallium and germanium from coal fly ash |
| 06/09/1987 | CA1222738A1 Process for preparing molecular sieves using imidazole template |
| 05/19/1987 | US4666686 Process for the fluid-fluid extraction of gallium, germanium or indium from liquid solutions |
| 04/07/1987 | CA1220035A1 Recovery of germanium from aqueous solutions |
| 03/04/1987 | EP0211855A1 Optical components. |
| 01/27/1987 | US4639355 Process for recovering gallium from aluminum smelting dust |
| 01/20/1987 | US4637938 Methods of using selective optical excitation in deposition processes and the detection of new compositions |
| 11/05/1986 | EP0199905A1 Process for the liquid-liquid extraction of germanium or indium from aqueous solutions |
| 11/04/1986 | CA1213576A1 Preparation of zeolites |
| 09/03/1986 | CN85109522A Solvent-extraction process of germanium from distillation acid-residue solution |
| 08/28/1986 | WO1986004996A1 Optical components |
| 08/19/1986 | CA1210018A1 Method for preparing organo germanium propionic acid derivatives |
| 07/30/1986 | EP0189224A2 Process for removing hydrogen from hydrogenated compounds dissolved in silicon tetrachloride or germanium tetrachloride |
| 05/20/1986 | US4589977 Hydrocracking catalyst |
| 05/20/1986 | US4589976 Hydrocracking process employing a new zeolite, SSZ-16 |
| 04/08/1986 | US4581212 Hydrorefing catalysts |
| 03/11/1986 | CA1201719A1 Preparation of bis-carboxy ethyl germanium sesquioxide and its propionic acid derivatives |
| 02/19/1986 | EP0171704A1 Method for eluting a metal adsorbed on a chelating agent |
| 02/04/1986 | US4568526 Contacting with organic medium containing diluent and extractant, stripping from organic phase |
| 01/28/1986 | US4567030 Amorphous, spherical inorganic compound and process for preparation thereof |
| 01/08/1986 | EP0167414A1 Process for the selective extraction of germanium |
| 09/03/1985 | US4539221 Dinitrogen monoxide as exidizer |
| 06/25/1985 | US4525332 Using selective ion exchange resins |
| 05/28/1985 | CA1187707A1 Process for separating germanium from an aqueous solution by means of an alphahydroxyoxime |
| 05/28/1985 | CA1187706A1 Process for separating germanium from an aqueous solution |
| 04/24/1985 | EP0138332A1 Methods of using selective optical excitation in deposition processes and the detection of new compounds |
| 04/02/1985 | US4508654 Preparation of bis-carboxy ethyl germanium sesquioxide and its propionic acid derivatives |
| 11/20/1984 | US4483835 Crystallization of silicon or germanium oxide with aluminum, born or gallium oxide |
| 08/28/1984 | CA1173218A1 Removal of germanium from the effluent of processes for the production of optical components |
| 06/13/1984 | EP0110650A1 Preparation of zeolites |
| 05/16/1984 | EP0108486A1 Preparation of zeolites |
| 05/09/1984 | EP0107908A1 Zeolites |
| 02/21/1984 | US4432952 And a base for solvent extraction |
| 02/21/1984 | US4432951 Solvent extraction with substituted 8-hydroxy-quinoline, then contacting with base |