| Patents for C01G 5 - Compounds of silver (991) |
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| 12/14/1988 | EP0295023A2 Method of fabricating a superconductive body, and apparatus and systems comprising the body |
| 12/14/1988 | EP0294387A1 Method and apparatus for biological processing of metal-containing ores. |
| 11/30/1988 | EP0292851A2 Stable divalent silver oxide-containing cathode material |
| 10/18/1988 | US4778519 Recovery of precious metals from a thiourea leach |
| 09/06/1988 | US4769315 Silver halide grain and light-sensitive photographic material containing said silver halide grain |
| 08/23/1988 | US4765834 Process for the recovery of metal values |
| 07/12/1988 | US4756888 Recovery of silver-containing scales from aqueous media |
| 07/05/1988 | US4754953 Utilization of oxygen in leaching and/or recovery procedures employing carbon |
| 06/30/1988 | WO1988004696A1 Method and extractant for solvent extraction of silver from aqueous thiosulphate solutions |
| 05/17/1988 | US4744825 Removal and recovery of silver from waste stream |
| 05/11/1988 | CN86106873A A complete wet process for producing sponge silver and silver nitrate from silver ore |
| 05/10/1988 | CA1236308A1 Process for hydrometallurgical extraction of precious metals |
| 05/03/1988 | CA1235908A1 Process for the isolation of noble metals |
| 04/13/1988 | EP0263508A2 Process for preparing a photographic emulsion containing tabular grains exhibiting high speed |
| 04/13/1988 | EP0263507A2 Process for preparing a photographic emulsion containing tabular grains having narrow size distribution |
| 03/15/1988 | US4731187 Removal of heavy metals from waste water |
| 03/02/1988 | EP0257548A1 Process for the recovery of silver from zinc plant calcines and neutral or low acid leach residues with thiourea |
| 02/23/1988 | US4726841 Solvent extraction using an secondary amide |
| 02/23/1988 | CA1233028A1 Process for recovering silver from sulfate solutions |
| 02/02/1988 | US4722886 Adding basic solvent, stopping silver nitrate addition, neutralizing solvent, adding silver nitrate and halide |
| 02/02/1988 | US4722831 Leaching with hydrochloric acid, leaving gold in residues |
| 02/02/1988 | CA1232139A1 Process for separately recovering gold and silver from solution by carbon adsorption |
| 01/26/1988 | US4721605 Selective removal of metals from aqueous solutions with dithiophosphinic acids |
| 01/07/1988 | EP0250813A2 Process and apparatus for preparing composite powders |
| 01/07/1988 | EP0250784A2 Process for the preparation of an aqueous highly concentrated suspension containing silver and tin salts |
| 01/05/1988 | US4717238 Infrared optical fiber |
| 09/24/1987 | WO1987005591A1 Preparation of ultra-pure silver nitrate |
| 08/13/1987 | WO1987004694A1 Method and apparatus for biological processing of metal-containing ores |
| 08/12/1987 | EP0232160A2 Silver halide grain and light-sensitive photographic material containing said silver halide grain |
| 08/11/1987 | CA1225241A1 Process of recovering copper and of optionally recovering silver and gold by a leaching of oxide- and sulfide-containing materials with water-soluble cyanides |
| 08/05/1987 | CN86106986A Leaching process |
| 07/14/1987 | US4680168 Extraction of Group 8 metals from organic solutions |
| 07/07/1987 | CA1223741A1 Extraction of silver and palladium metals from aqueous solutions using tertiary phosphine sulfides |
| 06/30/1987 | US4676969 Method of synthesis of inorganic chalcogenides |
| 06/30/1987 | US4676909 Process for recovering noble metals from their cyanide complexes |
| 06/24/1987 | EP0226344A2 Insoluble composition for removing silver from a liquid medium |
| 06/24/1987 | EP0225875A1 Method and apparatus for recovering silver from liquids |
| 05/19/1987 | US4666669 Apparatus for pulsed flow, balanced double jet precipitation |
| 05/12/1987 | US4664700 Water pollution control |
| 04/28/1987 | EP0203189A4 Method of recovery of gold and other metals. |
| 04/14/1987 | US4657642 Direct gold electrolysis from a loaded organic phase |
| 03/12/1987 | WO1987001366A1 Process for purifying silver refinery slimes |
| 02/25/1987 | EP0211305A2 Metal scavenging process |
| 02/04/1987 | EP0210387A1 Selective removal of metals from aqueous solutions with dithiophosphinic acids |
| 02/03/1987 | US4640710 Process for recovering silver from sulfate solutions |
| 01/28/1987 | EP0210004A1 Solvent extraction process for separation of precious metals |
| 12/30/1986 | EP0206377A2 Extraction of transition metals from organic solutions |
| 12/30/1986 | EP0205453A1 Process for the preparation of ultrapure heavy metal fluorides. |
| 12/03/1986 | EP0203189A1 Method of recovery of gold and other metals |
| 11/18/1986 | US4623522 Complexing |
| 11/12/1986 | CA1213735A1 Chlorination of copper, lead, zinc, iron, silver and gold |
| 10/28/1986 | US4619744 Soluble crosslinkable polyelectrolyte |
| 10/14/1986 | CA1212550A1 Recovering gold and silver from an aqueous solution containing cyanic compounds of gold and silver |
| 08/19/1986 | US4606766 Process for separately recovering gold and silver from solution by carbon adsorption |
| 07/17/1986 | WO1986004049A1 Process for the preparation of ultrapure heavy metal fluorides |
| 06/19/1986 | WO1986003480A1 Method of recovery of gold and other metals |
| 06/17/1986 | US4595572 Adding mineral acid to reduce ph to 6 or less, passing solution through bed of active carbon |
| 05/14/1986 | EP0180803A1 Process for recovering noble metals from their cyanides |
| 05/06/1986 | US4587110 Process of recovering copper and of optionally recovering silver and gold by a leaching of oxide- and sulfide-containing materials with water-soluble cyanides |
| 04/09/1986 | EP0177293A2 Process for separately recovering gold and silver from solution by carbon adsorption |
| 03/18/1986 | US4576812 Chlorination of copper, lead, zinc, iron, silver and gold |
| 03/12/1986 | EP0174018A2 Splash-prepared silver halide emulsions with a uniform particle size distribution |
| 02/27/1986 | WO1986001127A1 Method and apparatus for recovering silver from liquids |
| 12/31/1985 | US4561887 Process for recovering metals from solution through solvent extraction and pyrometallurgical reduction |
| 12/03/1985 | US4556422 Brine leaching under pressure |
| 10/30/1985 | EP0159842A2 Method of winning precious metals from geological brines |
| 10/29/1985 | CA1195846A1 Recovery of zinc from zinc-containing sulphidic material |
| 09/24/1985 | US4543169 Ion exchanging |
| 09/10/1985 | US4540435 Solvent extraction of gold and silver anions under alkaline conditions |
| 09/10/1985 | CA1193106A1 Distillation process for separating silver and copper chlorides |
| 09/03/1985 | US4539290 Silver halide emulsions |
| 07/17/1985 | EP0148663A2 Process for recovering silver from sulfate solutions |
| 07/09/1985 | US4528166 Recovery of gold and/or silver from cyanide leach liquors on activated carbon |
| 07/09/1985 | CA1190047A1 Method of concentrating silver from anode slime |
| 06/04/1985 | CA1188109A1 Metal recovery |
| 05/02/1985 | EP0139056A1 Recovering of gold and silver from an aqueous solution containing cyanic compounds of gold and silver |
| 04/17/1985 | EP0137398A2 Apparatus and process for pulsed flow, balanced double jet precipitation |
| 04/03/1985 | EP0135950A1 Process for winning copper and optionally silver and gold by leaching oxidic and sulphurized materials using cyanides soluble in water |
| 01/02/1985 | CA1180315A Stripping gold or silver from particulate materials |
| 10/16/1984 | CA1176061A1 Process for separating metals from aqueous solutions |
| 09/18/1984 | CA1174474A1 Process for separating metals from aqueous solutions |
| 09/12/1984 | EP0117902A1 Process for producing divalent silver oxide cathode material |
| 08/28/1984 | US4467856 Process for obtaining a silver product which is black-colored in its whole mass and silver products thus obtained |
| 07/18/1984 | EP0113454A2 Extraction of silver and palladium metals from aqueous solutions using tertiary phosphine sulfides |
| 07/03/1984 | US4457495 Apparatus for the automatic recovery of silver from argentiferous wash waters |
| 04/17/1984 | US4443253 Recovery of zinc from zinc containing sulphidic materials |
| 02/22/1984 | EP0100797A1 Method of recovering metals from metal-containing materials |
| 01/24/1984 | US4427571 Composition for stripping gold or silver from particulate materials |
| 12/21/1983 | EP0096499A1 Recovery of zinc from zinc-containing sulphidic material |
| 11/29/1983 | US4418043 Process for separating metals from aqueous solutions |
| 11/01/1983 | CA1156048A1 Process for the recovery of lead and silver from minerals and process residues |
| 10/11/1983 | CA1155084A1 Process for the recovery of metal values from anode slimes |
| 10/04/1983 | US4407674 Thin silver nonplanar flakes |
| 09/13/1983 | CA1153609A1 Silver halide precipitation process with deletion of materials through the reaction vessel |
| 08/16/1983 | CA1151839A1 Process for preparing metal salts, photographic materials and their use for the production of photographic images |
| 08/02/1983 | US4396588 Ammoniation |
| 08/02/1983 | US4396585 Silver removal with halogen impregnated non-carbon adsorbents |
| 07/19/1983 | US4394354 Silver removal with halogen impregnated activated carbon |
| 07/12/1983 | US4392962 Process for separating metals from aqueous solutions |
| 03/29/1983 | US4378245 Distillation process for separating silver and copper chlorides |