| Patents for C01G 5 - Compounds of silver (991) |
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| 09/30/1997 | US5672328 Method and apparatus for removing silver in the form of silver salts from a liquid |
| 07/29/1997 | US5651947 Recovery of zinc from sulphidic concentrates |
| 07/23/1997 | EP0784709A1 Recovery of zinc from sulphidic concentrates |
| 06/25/1997 | EP0779879A1 Very high temperature and atmospheric pressure superconducting compositions and methods of making and using same |
| 04/09/1997 | EP0767400A1 Preparation method for (100) tabular silver halide grains rich in chloride in silica sol as binder |
| 03/12/1997 | EP0514522B1 Control of surface iodide using post precipitation kc1 treatment |
| 02/25/1997 | US5605632 Ion exchange resin and pump |
| 02/18/1997 | US5604087 Process for the production of silver halide emulsions |
| 12/10/1996 | CA2033788C Silver recovery from spent photographic solutions |
| 11/27/1996 | EP0744653A1 Micro reaction zone reactors |
| 11/20/1996 | CN1136017A Inorganic electric-conductive coating and its preparation |
| 09/25/1996 | EP0733593A1 Continuous method of removing impurities from crude silver nitrate |
| 09/14/1996 | CA2144496A1 Continuous method of removing impurities from crude silver nitrate |
| 08/13/1996 | US5545394 Reacting compounds in liquid or gel to form insoluble crystallite products; using complexing agent to facilitate dissolution of reactants in solvent |
| 06/19/1996 | EP0717117A1 Method for the recovery of silver value from aqueous solution |
| 05/22/1996 | EP0712326A1 Complexation-mediated crystal-forming reactions using complexing agents |
| 05/17/1996 | WO1996014438A1 Recovery of zinc from sulphidic concentrates |
| 03/28/1996 | DE4442909C1 Mixed silver halide simple prodn. with uniform halide distribution |
| 03/14/1996 | WO1996007614A1 Very high temperature and atmospheric pressure superconducting compositions and methods of making and using same |
| 03/06/1996 | EP0699477A1 Silver recovery device and process |
| 02/22/1996 | DE4429644A1 Iodadsorptionsmittel Iodine adsorbent |
| 01/31/1996 | EP0694812A2 Process of recovering silver from photographic solutions |
| 01/30/1996 | US5487918 Method of depositing metal oxides |
| 01/28/1996 | CA2140567A1 Process of recovering silver from photographic solutions |
| 01/09/1996 | US5482918 Method for producing microcomposite powders using a soap solution |
| 12/19/1995 | CA1337750C Supercritical fluid reverse micelle separation |
| 10/17/1995 | US5458865 Fusion |
| 10/10/1995 | CA1337235C Chemical reactions in reverse micelle systems |
| 09/06/1995 | EP0514443B1 Method and apparatus for removing silver in the form of silver salts from a liquid |
| 09/05/1995 | US5448160 Particle size probe for silver halide emulsion |
| 09/05/1995 | US5447909 Metalorganic chemical vapor deposition of superconducting oxide films |
| 08/01/1995 | US5437792 Process of recovering silver from photographic solutions |
| 07/05/1995 | EP0523225B1 Process of removing nitrite from a silver nitrate solution |
| 07/05/1995 | CN1029221C Non-pollution preparation of silver nitrate solution |
| 06/27/1995 | US5427751 Reacting water and carbon dioxide gas flow with sorbent bed containing alkali metal carbonate impregnated, alkali metal silicate and alkaline earth metal salt coated, silver oxide pellets |
| 05/23/1995 | US5417102 On-line method for measuring density of solids in reaction process |
| 03/29/1995 | EP0645669A1 Method for optimizing tabular grain population of silver halide photographic emulsions |
| 02/16/1995 | WO1995004583A1 Complexation-mediated crystal-forming reactions using complexing agents |
| 11/29/1994 | CA1333316C Processes for microemulsion polymerization employing novel microemulsion systems |
| 11/15/1994 | US5364500 Stripping using a countercurrent flow |
| 11/15/1994 | US5364418 Evaporative crystallization |
| 11/08/1994 | US5362470 Ultrafine gold and/or silver chalcogenide and production thereof |
| 11/01/1994 | US5360602 Nonplatelets |
| 10/25/1994 | US5358699 Isolation of gold, silver and/or platinum by oxidation using lignins or tannins containing ortho-quinones or catechol as oxidation promoters before treatment with other chemicals |
| 10/05/1994 | EP0509022B1 FORMATION OF TABULAR GRAINS IN SILVER HALIDE EMULSIONS UTILIZING HIGH pH DIGESTION |
| 09/27/1994 | US5350652 Method for optimizing tabular grain population of silver halide photographic emulsions |
| 09/06/1994 | US5344625 Lignin or tannin derivatives |
| 09/06/1994 | CA2001173C Relating to the recovery of silver |
| 08/02/1994 | US5334359 Apparatus for production of sparingly water-soluble salt crystal grains |
| 07/12/1994 | US5328669 Extraction of precious metals from ores and other precious metal containing materials using halogen salts |
| 06/07/1994 | CA1329989C Method and apparatus for biological processing of metal-containing ores |
| 05/03/1994 | US5308381 Adding oxidant and heat treatment, forming gold ammine or silver ammine solutions |
| 03/29/1994 | US5298232 Reacting silver particle in absence of light with chlorine gas in excess, vacuum filtration and drying to remove chloroform |
| 03/08/1994 | CA1327441C Method of fabricating a superconductive body, and apparatus and systems comprising the body |
| 02/16/1994 | EP0319585B1 Process for forming thin film of oxide superconductor |
| 02/02/1994 | EP0343233B1 Supercritical fluid reverse micelle separation |
| 01/26/1994 | EP0580525A1 Particle size probe for silver halide emulsion |
| 01/18/1994 | US5279803 Precious metal recovery process from carbonaceous ores |
| 01/18/1994 | US5279802 Oxidation of metal sulfide at alkaline pH; complexing |
| 12/28/1993 | US5273873 Control of surface iodide using post precipitation KC1 treatment |
| 11/30/1993 | US5266205 Supercritical fluid reverse micelle separation |
| 11/10/1993 | EP0362320B1 Process for manufacturing integrally-blackened silver alloy |
| 11/03/1993 | EP0568259A1 Process for making a silver nitrate solution |
| 10/31/1993 | CA2067676A1 Process for making a silver nitrate solution |
| 09/15/1993 | EP0560694A1 Silver nitrate produced by a continuous evaporative crystallization process |
| 09/15/1993 | EP0560693A1 Process and apparatus for compacting silver nitrate |
| 09/10/1993 | CA2089230A1 Process and apparatus for compacting silver nitrate |
| 08/31/1993 | CA1321705C Preparation of ultra-pure silver nitrate |
| 08/24/1993 | US5238671 Chemical reactions in reverse micelle systems |
| 08/10/1993 | CA1321077C Process for the recovery of silver from zinc plant calcines and neutral or low acid leach residues with thiourea |
| 08/03/1993 | US5232490 Oxidation/reduction process for recovery of precious metals from MnO2 ores, sulfidic ores and carbonaceous materials |
| 07/28/1993 | EP0552450A1 Process for the preparation of silver nitrate granules |
| 07/20/1993 | US5229085 Using pure oxygen gas instead of air |
| 06/29/1993 | US5223480 Method of preparation of silver composite high temperature ceramic superconductors by precipitation |
| 06/23/1993 | CN1073412A Non-pollution process for preparing solution of silver nitrate |
| 06/22/1993 | US5221325 Fracturing cells, heating gragments, transferring fragments to cold water bath separating liquid and solid phases and magnetically separating magnetic iron and nickel from nonmagnetic silver oxide, silver and zinc |
| 05/25/1993 | US5213772 Apparatus for forming silver halide grains |
| 05/05/1993 | EP0325659B1 Complex compounds for forming thin film of oxide superconductor and process for forming thin film of oxide superconductor |
| 04/13/1993 | CA1316036C Process for preparing a photographic emulsion containing tabular grains having narrow size distribution |
| 04/13/1993 | CA1316035C Process for preparing a photographic emulsion containing tabular grains exhibiting high speed |
| 04/06/1993 | US5200041 Composite element incorporating a polyether or copolyether, its preparation process and its use for extracting and separating metal cations |
| 03/23/1993 | US5196178 In the dark |
| 02/02/1993 | US5183493 Feeding melted material into vibrating nozzle, falling the droplets through a high distance, suddenly cooling and solidifying |
| 01/20/1993 | EP0523842A1 Apparatus for production of sparingly water-soluble salt crystal grains |
| 01/20/1993 | EP0523225A1 Process of removing nitrite from a silver nitrate solution. |
| 01/19/1993 | CA1312842C Extraction of noble metal in alternating field from ore slurry |
| 01/12/1993 | CA1312624C Extraction of metals |
| 01/07/1993 | EP0521612A1 Ultrafine gold and/or silver chalcogenide and production thereof |
| 12/22/1992 | US5173210 Composition and use |
| 12/15/1992 | US5171559 Process for purifying silver nitrate solution using activated alumina |
| 12/01/1992 | US5167875 Silver sulphide sol with ultrafine particle size |
| 11/25/1992 | EP0514443A1 Method and apparatus for removing silver in the form of silver salts from a liquid. |
| 11/19/1992 | DE4116000A1 Sepg. gold and silver complexes from aq. systems of cyanide or halogen - by absorption on strongly basic anion exchanger based on polymeric crosslinked organo:siloxane ammonium cpds. |
| 11/10/1992 | US5162106 Photographic fixer regeneration |
| 10/27/1992 | US5158704 Supercritical fluid reverse micelle systems |
| 10/21/1992 | EP0509022A1 FORMATION OF TABULAR GRAINS IN SILVER HALIDE EMULSIONS UTILIZING HIGH pH DIGESTION. |
| 10/20/1992 | US5157017 Melting oxide precursor material, resolidification producing elongate crystallites |
| 09/22/1992 | US5149682 Manufacturing method for superconducting ceramics and products thereof |
| 09/08/1992 | US5145768 Process of forming silver halide grains |
| 08/18/1992 | US5139752 Pulverizing ore, complexing metal, dissolving complex |