| Patents for C01G 5 - Compounds of silver (991) |
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| 08/05/1992 | WO1992013802A1 Process of removing nitrite from a silver nitrate solution |
| 07/28/1992 | US5133846 Silver recovery device |
| 07/15/1992 | EP0294387B1 Method and apparatus for biological processing of metal-containing ores |
| 06/25/1992 | WO1992010785A1 Control of surface iodide using post precipitation kc1 treatment |
| 06/02/1992 | US5118344 From silver halide emulsion |
| 04/15/1992 | EP0480167A1 Process for the preparation of dustfree silver nitrate |
| 04/14/1992 | US5104786 Plug-flow process for the nucleation of silver halide crystals |
| 04/14/1992 | US5104785 Process of forming silver halide grains |
| 03/17/1992 | US5096690 Method and apparatus for manufacturing silver halide grains |
| 02/18/1992 | US5089248 Production of metallic oxides |
| 02/11/1992 | CA1295486C Extraction of transition metals from organic solutions |
| 02/04/1992 | US5085836 Process for desilvering silver halide processing fluids |
| 01/26/1992 | CA2041719A1 Process for the enhanced production of silver from gold and silver bearing ore |
| 01/22/1992 | EP0467221A2 Process and apparatus for preparing spherical particles from a liquid phase |
| 01/18/1992 | CA2047151A1 Method and device for manufacturing spherical particles out of liquid phase |
| 01/07/1992 | US5079209 Coated Silver Oxide Pellets |
| 11/26/1991 | US5067987 Method of manufacturing a silver alloy which is blackened throughout its bulk |
| 09/11/1991 | EP0445776A2 Preparation of high capacity unsupported regenerable CO2 sorbent |
| 08/22/1991 | WO1991012565A1 Method and apparatus for removing silver in the form of silver salts from a liquid |
| 08/21/1991 | EP0232380B1 Process for purifying silver refinery slimes |
| 07/30/1991 | US5035991 Control process and apparatus for the formation of silver halide grains |
| 07/23/1991 | US5034373 High energy milling of silver and alloys, compaction of silver for superconductors |
| 07/23/1991 | US5034055 Process for the enhanced production of silver from gold and silver bearing ore |
| 07/02/1991 | US5028585 Superconducting oxide FCC oxide composite compositions and method of making such compositions |
| 06/27/1991 | WO1991009344A1 FORMATION OF TABULAR GRAINS IN SILVER HALIDE EMULSIONS UTILIZING HIGH pH DIGESTION |
| 06/26/1991 | EP0434372A2 Process for forming superconductor precursor |
| 06/23/1991 | CA2032879A1 Process for forming superconductor precursor |
| 06/11/1991 | US5023067 Aqueous slurry consisting of homogeneous dispersion of coprecipitated metal carbonates and quaternary ammonium salts |
| 06/05/1991 | EP0430323A1 Silver recovery device |
| 05/07/1991 | US5013641 Formation of tabular silver halide emulsions utilizing high pH digestion |
| 03/26/1991 | US5002926 Thallium-Calcium-Barium-Copper Oxide Superconductors |
| 03/19/1991 | US5000928 Purificatioin by dissolving crude silver in aqueous nitric acid, precipitation |
| 03/13/1991 | EP0416078A1 Composite element comprising a polyether or copolyether, process for its preparation and its use for the extraction and separation of metallic cations |
| 02/12/1991 | US4992362 Precipitation of silver halide in presence of gelatin; uniform grain distribution |
| 02/12/1991 | US4992207 Composition for extraction of metal ions and oxanions |
| 02/12/1991 | US4992200 Recovery of precious metals |
| 01/22/1991 | CA1279196C Process for purifying silver refinery slimes |
| 01/09/1991 | EP0395714A4 Processes for microemulsion polymerization employing novel microemulsion systems |
| 12/25/1990 | US4980134 Leaching process |
| 12/25/1990 | US4979987 Precious metals recovery from refractory carbonate ores |
| 12/13/1990 | WO1990011390A3 Composite element comprising a polyether or copolyether, process for its preparation and its use for the extraction and separation of metallic cations |
| 12/11/1990 | US4977075 Hydrophilic colloid |
| 12/04/1990 | US4974816 Controlling oxidation |
| 11/27/1990 | US4973545 Multicolor, improved dispersibility |
| 11/07/1990 | EP0395714A1 Processes for microemulsion polymerization employing novel microemulsion systems |
| 09/19/1990 | EP0387307A1 Chemical reactions in reverse micelle systems |
| 09/18/1990 | WO1990011390A2 Composite element comprising a polyether or copolyether, process for its preparation and its use for the extraction and separation of metallic cations |
| 09/18/1990 | CA2030547A1 Composite element incorporating a polyether or copolyether, its preparation process and its use for extracting and separating metal cations |
| 06/27/1990 | EP0374954A1 Control process and apparatus for the formation of silver halide grains |
| 06/27/1990 | EP0374853A1 Process of producing silver halide grains |
| 06/27/1990 | EP0374852A1 Process of forming silver halide grains |
| 06/20/1990 | CN1008446B Leaching process |
| 06/12/1990 | US4933404 Processes for microemulsion polymerization employing novel microemulsion systems |
| 05/15/1990 | US4925485 Process for the isolation of noble metals |
| 05/02/1990 | EP0366334A1 Improvements in or relating to the recovery of silver |
| 05/02/1990 | EP0366181A2 Silver sulphide sol with ultrafine particle size |
| 04/18/1990 | EP0364279A2 Photographic couplers and photographic materials containing them |
| 04/18/1990 | EP0363820A2 Silver halide colour-photographic material |
| 04/11/1990 | EP0362320A1 Process for manufacturing integrally-blackened silver alloy. |
| 03/21/1990 | CN1040572A Manufacturing method for ceramics and products thereof |
| 03/14/1990 | EP0358186A2 Photographic silver halide material and process |
| 02/28/1990 | EP0355568A2 Preparation of a silver halide emulsion |
| 02/28/1990 | EP0355252A2 Manufacturing method for ceramics and products thereof |
| 02/21/1990 | EP0355045A2 Composition comprising a macrocyclic compound and an organic acid and its use in metal extraction |
| 02/08/1990 | WO1990001077A1 Electrolytic precipitation process for recovery of metals |
| 01/30/1990 | US4897110 Production of noble metal/non-noble metal oxide powder |
| 01/23/1990 | US4895597 Recovery of precious metals |
| 01/16/1990 | US4894407 Phosphorous compounds |
| 01/11/1990 | EP0343233A4 Supercritical fluid reverse micelle separation. |
| 01/03/1990 | EP0259454B1 Preparation of ultra-pure silver nitrate |
| 12/28/1989 | DE3920144A1 Orbital umgelagerte, monoatomare elemente, verfahrenzu ihrer herstellung und ihre weiterverarbeitung Orbital rearranged monoatomic, elements, verfahrenzu their production and their further processing |
| 11/29/1989 | EP0343455A2 Novel processes and products involving yttrium-alkaline earth-bismuth-copper oxides |
| 11/29/1989 | EP0343233A1 Supercritical fluid reverse micelle separation. |
| 11/09/1989 | EP0294387A4 Method and apparatus for biological processing of metal-containing ores. |
| 11/07/1989 | US4879208 Mixers, reactors, protective colloids, silver salt, halide |
| 11/01/1989 | CN1005628B A complete wet process for producing sponge silver and silver nitrate from silver ore |
| 10/03/1989 | US4871652 Photographic silver halide material and process |
| 09/21/1989 | WO1989008612A1 Process for manufacturing integrally-blackened silver alloy |
| 08/15/1989 | US4857293 Reacting metal oxide and aqueous hydrofluoric acid |
| 08/09/1989 | EP0326852A1 Process for preparing silver halide grains |
| 08/09/1989 | EP0205453B1 Process for the preparation of ultrapure heavy metal fluorides |
| 08/02/1989 | EP0325659A1 Complex compounds for forming thin film of oxide superconductor and process for forming thin film of oxide superconductor |
| 06/15/1989 | WO1989005336A1 Chemical reactions in reverse micelle systems |
| 06/14/1989 | EP0319585A1 Process for forming thin film of oxide superconductor |
| 06/01/1989 | WO1989004858A1 Supercritical fluid reverse micelle separation |
| 06/01/1989 | WO1989004844A1 Processes for microemulsion polymerization employing novel microemulsion systems |
| 04/25/1989 | US4824600 Preparation of a suspension in preparation of powder making |
| 03/28/1989 | US4816235 Silver and manganese recovery using acidified thiourea |
| 03/28/1989 | US4816234 Utilization of oxygen in leaching and/or recovery procedures employing carbon |
| 03/22/1989 | CN1031829A Manufacturing method for superconducting ceramics |
| 03/21/1989 | US4814007 Solvent extraction, guanidine compound |
| 03/15/1989 | EP0306973A2 Manufacturing method for superconducting ceramics and products thereof |
| 03/09/1989 | DE3729030A1 Mercury adsorbent |
| 03/08/1989 | EP0306334A2 Macrocyclic ligands bonded to silica or silica gel and their use in selectively and quantitatively removing and concentrating ions present at low concentrations from mixtures thereof with other ions |
| 03/08/1989 | EP0306031A2 Method and composition for forming superconducting ceramics and superconductive products therefrom |
| 02/14/1989 | US4804167 Atomization of salts |
| 02/07/1989 | US4802920 Sulfonating asphaltene extraction of metal, oxidation, recover ing gold and silver |
| 01/10/1989 | CA1248324A1 Process for producing ago cathode material |
| 12/29/1988 | WO1988010499A1 Process for forming thin film of oxide superconductor |
| 12/29/1988 | WO1988010323A1 Complex compounds for forming thin film of oxide superconductor and process for forming thin film of oxide superconductor |