| Patents for C01G 17 - Compounds of germanium (532) |
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| 08/11/2005 | WO2005073131A2 Clathrate compounds, thermoelectric conversion elements, and methods for producing the same |
| 07/14/2005 | WO2005062785A2 Solution-phase synthesis of metal oxide nanostructures |
| 06/09/2005 | DE10353995A1 Nanoskaliges, kristallines Siliciumpulver Nanoscale crystalline silicon powder |
| 06/02/2005 | WO2005049492A1 Nanoscale crystalline silicon powder |
| 06/02/2005 | US20050118411 Optical materials and optical devices |
| 05/26/2005 | WO2004050547A3 Metal oxide nanostructures with hierarchical morphology |
| 03/23/2005 | CN1597533A Production technology of optical fiber grade high purity ger manium tetrachloride |
| 02/01/2005 | US6849334 Optical materials and optical devices |
| 01/26/2005 | CN1571726A Optical materials and optical devices |
| 01/13/2005 | US20050008567 Porous crystalline material (ITQ-21) and the method of obtaining the same in the absence of fluoride ions |
| 12/22/2004 | EP1179367B1 Use of a chelate-forming porous hollow fiber membrane and method for the recovery of germanium oxide with the same |
| 10/20/2004 | CN1171786C Macroporous 24-ringlet germanium oxide molecular sieve and its prepn |
| 10/13/2004 | EP1466866A2 Porous crystalline material (itq-21) and the method of obtaining same in the absence of fluoride ions |
| 09/07/2004 | US6787117 Porous hollow fiber membrane having chelate formability and method for recovery of germanium oxide using the porous hollow fiber membrane |
| 08/24/2004 | US6780390 Flowing mixture of inert gas and fluorine gas through chemical reactor containing germanium powder; trapping and condensation of germanium fluoride; sublimation; fluorination, salt formation |
| 08/19/2004 | US20040161651 Oxide ion conductor and method of producing the same |
| 08/18/2004 | EP1447818A2 Oxide ion conductor and method of producing the same |
| 07/28/2004 | CN1159227C Method for mfg. Lanthana nanopowder (CN) |
| 06/17/2004 | WO2004050547A2 Metal oxide nanostructures with hierarchical morphology |
| 06/09/2004 | EP1425162A2 Optical materials and optical devices |
| 06/03/2004 | US20040105810 Metal oxide nanostructures with hierarchical morphology |
| 06/02/2004 | EP1423887A2 Solid acid electrolytes for electrochemical devices |
| 05/20/2004 | US20040096720 Chalogenides; heat and chemical resistance; protonation glass, ceramic |
| 04/22/2004 | US20040076577 Method of producing high purity germanium tetrafluoride |
| 04/01/2004 | WO2003046264A3 Porous crystalline material (itq-21) and the method of obtaining same in the absence of fluoride ions |
| 04/01/2004 | US20040062699 Inorganic oxide and phosphor |
| 03/03/2004 | EP1394114A2 Method for producing high purity germanium tetrafluoride |
| 12/17/2003 | CN1131182C Method for treating waste gas produced by device making optical-fibre product and recovering germanium |
| 12/10/2003 | CN1130267C Chelate-forming porous hollow fiber membrane and method for recovery of germanium oxide with same |
| 10/30/2003 | WO2003016961A3 Optical materials and optical devices |
| 10/08/2003 | EP1351326A2 Oxide ion conductor and method of producing the same |
| 09/25/2003 | US20030180595 Oxide ion conductor and method of producing the same |
| 09/10/2003 | CN1120805C Method for extracting germanium deoxide from raw coal |
| 08/14/2003 | US20030151117 Semiconductor polymers, method for the production thereof and an optoelectronic component |
| 07/24/2003 | WO2003059808A1 Method of preparing very pure silicon chloride and/or germanium chloride |
| 06/26/2003 | US20030118841 Optical materials and optical devices |
| 06/11/2003 | CN1422908A Method for continuously preparing cerium sesquisulfide for red pigment |
| 06/05/2003 | WO2003046264A2 Porous crystalline material (itq-21) and the method of obtaining same in the absence of fluoride ions |
| 04/24/2003 | WO2003012894A3 Solid acid electrolytes for electrochemical devices |
| 04/23/2003 | EP1117616B1 Sol-gel process using porous mold |
| 04/02/2003 | CN1407952A Methods for separation of compounds from acidic aqueous solutions |
| 03/12/2003 | CN1401578A Method for mfg. lanthana nanopowder |
| 02/27/2003 | WO2003016961A2 Optical materials and optical devices |
| 02/13/2003 | WO2003012894A2 Solid acid electrolytes for electrochemical devices |
| 02/04/2003 | US6514454 Sol-gel process using porous mold |
| 01/02/2003 | EP1269553A1 Semiconductor polymers, method for the production thereof and an optoelectronic component |
| 09/03/2002 | US6442977 Sol-gel process for fabricating germanium-doped silica article |
| 08/07/2002 | CN1362364A Macroporous 24-ringlet germanium oxide molecular sieve and its prepn |
| 07/10/2002 | EP1220820A1 Methods for the separation of compounds from acidic aqueous solutions |
| 07/04/2002 | DE10061016A1 New aluminum oxide-germanium dioxide-silicon dioxide mixed oxide is used as a catalyst support or precursor for e.g. green moldings for optical fiber or zero glass production |
| 06/25/2002 | US6410117 Alloy of tellurium, germanium, bismuth, antimony and boron or carbon |
| 05/29/2002 | CN1351521A Chelate-forming porous hollow fiber membrane and method for the recovery of germanium oxide with the same |
| 05/08/2002 | EP1203834A1 Method for forming multi-phase lead germanate film |
| 04/11/2002 | US20020041947 Alloy of tellurium, germanium, bismuth, antimony and boron or carbon |
| 02/13/2002 | EP1179367A1 Chelate-forming porous hollow fiber membrane and method for the recovery of germanium oxide with the same |
| 01/08/2002 | US6337057 Process for the direct production of germanium tetrachloride from hydrated germanate-containing solids using gaseous hydrogen chloride |
| 01/02/2002 | EP1167308A1 Sol-gel process for fabricating germanium-doped silica article |
| 12/11/2001 | US6328947 Hydrolyzing metal halide in the presence of organic solvent to obtain fine particles of metal oxide |
| 10/16/2001 | US6303097 Process for the preparation of metal sulphides |
| 10/04/2001 | WO2001073862A1 Semiconductor polymers, method for the production thereof and an optoelectronic component |
| 09/27/2001 | DE10014287A1 Germanium sheet polymers useful in light-emitting opto-electronic applications are obtained by topochemical conversion of calcium germanide on a crystalline germanium substrate |
| 08/28/2001 | US6281022 Multi-phase lead germanate film deposition method |
| 08/08/2001 | CN1306941A Method for extracting germanium dioxide from raw coal |
| 07/25/2001 | EP1117616A1 Sol-gel process using porous mold |
| 05/29/2001 | US6238462 Methods for the separation of compounds from acidic aqueous solutions |
| 01/25/2001 | WO2001005720A1 Methods for the separation of compounds from acidic aqueous solutions |
| 01/25/2001 | CA2379339A1 Methods for the separation of compounds from acidic aqueous solutions |
| 12/27/2000 | EP1063200A1 Process for the direct production of germanium tetrachloride from hydrated germanate-containing solids using gaseous hydrogen chloride |
| 11/21/2000 | US6149884 Method of treating gaseous waste from a unit for manufacturing an optical fiber preform, in order to recover germanium therefrom |
| 11/16/2000 | WO2000067905A1 Chelate-forming porous hollow fiber membrane and method for the recovery of germanium oxide with the same |
| 11/14/2000 | US6146601 Separation by chemical exchange reaction |
| 08/17/2000 | WO1999036366A8 Method for the treatment of gaseous discharges of a unit manufacturing an optical-fibre preform for recovering germanium |
| 08/09/2000 | EP1026125A1 Process for producing fine metal oxide particles |
| 08/08/2000 | US6099792 Placing solution comprising tetraethyl or tertamethyl orthosilicate, alcohol, water and acid or basic catalyst into mold formed from graphite or carbide; allowing soultion to gel; drying; removing dried silica gel |
| 06/07/2000 | CN1255908A Method and treatment of gaseous discharges of unit mfg. optical-fibre preform for recovering germanium |
| 04/25/2000 | US6054104 Method and apparatus for germanium reclamation from chemical vapor deposition |
| 04/13/2000 | CA2346288A1 Sol-gel process using porous mold |
| 03/28/2000 | CA2194058C Amorphous microporous oxidic solids, process for producing them and their use |
| 01/25/2000 | US6017629 Amorphous microporous oxidic solids, process for producing them and their use |
| 07/22/1999 | WO1999036366A1 Method for the treatment of gaseous discharges of a unit manufacturing an optical-fibre preform for recovering germanium |
| 07/21/1999 | EP0930277A1 Process for treating exhaust gases from a unit for the fabrication of optical fiber preforms, for recovering germanium |
| 02/25/1999 | WO1999008963A1 Process for producing fine metal oxide particles |
| 09/09/1998 | EP0863218A1 A method and apparatus for germanium reclamation from chemical vapor deposition exhaust gas streams |
| 11/18/1997 | CA2047728C Process for recovering germanium |
| 05/13/1997 | US5628933 Transparent conductors comprising zinc-indium-oxide and methods for making films |
| 04/16/1997 | EP0767757A1 Amorphous microporous oxidic solids, process for producing them and their use |
| 04/08/1997 | US5618471 Alkali metal quaternary chalcogenides and process for the preparation thereof |
| 03/25/1997 | US5614128 Nonlinear optical transmission |
| 03/04/1997 | US5607591 From effluents of irradiated fuel reprocessing plants |
| 01/22/1997 | EP0670840B1 Bis-crown calix[4]arenes, method for preparing same and use thereof for selectively recovering cesium and actinides |
| 09/25/1996 | EP0652849B1 Process for the preparation of metal sulphides |
| 07/02/1996 | US5531936 Sulfides or selenides for optical transmisson |
| 04/17/1996 | EP0707320A1 Transparent conductors comprising zinc-indium-oxide and methods for making films |
| 01/11/1996 | WO1996000697A1 Amorphous microporous oxidic solids, process for producing them and their use |
| 01/04/1996 | DE4422715A1 Amorphe, mikroporöse oxidische Feststoffe, Verfahren zur Herstellung derselben und deren Verwendung Amorphous, micro-porous oxidic solids, methods for making them and their use |
| 12/20/1995 | EP0553072B1 Synthetic porous crystalline material, its synthesis and use |
| 09/13/1995 | EP0670840A1 Bis-crown calix 4]arenes, method for preparing same and use thereof for selectively recovering cesium and actinides. |
| 06/06/1995 | CA1335756C Process for the recovery of germanium from solutions that contain it |
| 05/17/1995 | EP0652849A1 Process for the preparation of metal sulphides. |
| 12/22/1994 | WO1994029217A1 Process for the preparation of metal sulphides |