| Patents for C25C 1 - Electrolytic production, recovery or refining of metals by electrolysis of solutions (5,617) |
|---|
| 12/06/1977 | US4061564 Phosphate, arsenic and copper containing sulfuric acid |
| 12/06/1977 | US4061559 Electrolytic cell and circulating method for electrolyte |
| 12/06/1977 | US4061552 Electrolytic production of copper from ores and concentrates |
| 12/06/1977 | US4061551 Process for extraction of gallium from alkaline gallium-containing solutions |
| 11/29/1977 | US4060464 Method for extracting and recovering iron and nickel in metallic form |
| 11/15/1977 | US4058441 Process for the regeneration of spent pickling solutions |
| 11/01/1977 | US4056450 Continuous detinning system |
| 11/01/1977 | US4056449 Electrolysis of water to evolve oxygen |
| 10/18/1977 | US4054503 Portable metal recovery apparatus |
| 10/11/1977 | US4053377 Electrodeposition of copper |
| 10/11/1977 | US4053305 Recovery of copper and silver from sulfide concentrates |
| 10/04/1977 | US4052276 Treatment process for electrolytic purifying of used solution for electrolytic tin plating |
| 09/27/1977 | US4051000 Non-contaminating anode suitable for electrowinning applications |
| 09/20/1977 | US4049514 Electrowinning, leaching, forming copper arsenate |
| 09/06/1977 | US4046687 Or bismuth from an aqueous solutionusing salt or ester of phosphoric acid |
| 08/16/1977 | US4042474 Separating nickel, cobalt and chromium from iron in metallurgical products |
| 08/16/1977 | US4042473 Process for recovery of re-usable substances from a fixing bath in processes for development and fixing of photographic films and X-ray films |
| 08/09/1977 | US4040915 Method for producing regular electronickel or S nickel rounds from electroplating baths giving highly stressed deposits |
| 08/09/1977 | US4040914 Valve metal sheet coated with silver or silver-valve metal alloys, or oxides thereof |
| 08/02/1977 | US4039408 Zinc sulfate |
| 08/02/1977 | US4039407 Stainless steel screening |
| 08/02/1977 | US4039405 Leaching copper ores and solvent extraction of the copper-bearing solutions |
| 08/02/1977 | US4039403 Electrowinning metals |
| 08/02/1977 | US4039402 Method for the operation of a fluidized bed electrochemical reactor at a substantially constant current density |
| 07/19/1977 | US4036715 Method of recovering silver from photographic bleach-fix and concurrently regenerating the bleach-fix |
| 07/05/1977 | US4033839 Method for series electrowinning and electrorefining of metals |
| 07/05/1977 | US4033838 Regeneration of nitric acid |
| 06/28/1977 | US4032425 Electrolytic cell for use in hydroelectrometallurgy |
| 06/28/1977 | US4032413 Electroplating bath and method for the electrodeposition of bright aluminum coatings |
| 06/21/1977 | US4030990 Process for recovering electrolytic copper of high purity by means of reduction electrolysis |
| 06/21/1977 | US4030989 Recovery of metal from sulphurous material |
| 06/14/1977 | US4029733 Manganese |
| 06/07/1977 | US4028212 Electrolytic cells |
| 06/07/1977 | US4028202 Deposition on high surface area porous cathode |
| 05/31/1977 | US4026797 Precipitation of selenium from copper electrowinning solutions |
| 05/31/1977 | US4026784 Electrolytic cells |
| 05/31/1977 | US4026776 Betts process, electrolysis |
| 05/31/1977 | US4026772 Direct electrochemical recovery of copper from dilute acidic solutions |
| 05/31/1977 | US4026771 Process for the purification of metals |
| 05/24/1977 | US4025413 Electrolytic refining of metal |
| 05/17/1977 | US4024035 Method for electric extraction of non-ferrous metals from their solutions |
| 05/17/1977 | US4023964 Method of obtaining copper from copper-bearing ores |
| 05/10/1977 | US4022678 Agitation |
| 05/10/1977 | US4022677 Diaphragm support means |
| 05/03/1977 | US4021199 Automatic cleaning apparatus for electrodes of pH meter |
| 04/26/1977 | US4019968 Electrochemical cell |
| 04/19/1977 | US4018865 A-hydroxyoximes, sulfonic acids |
| 04/12/1977 | US4017369 Or snantimony, arsenic, mercury, tin |
| 04/05/1977 | US4016056 Lixiviation with cupric chloride, extraction, oxidation, sulfation, electrolysis |
| 04/05/1977 | US4016055 Containing copper, cobalt, iron and nickel; chlorination |
| 04/05/1977 | US4016054 Hydrometallurgical treatment process for extracting constituent metal values from ferro-nickel |
| 03/29/1977 | US4014764 Electrolysis |
| 03/22/1977 | US4013412 Method for judging purity of purified zinc sulphate solution used for electrolytic production of zinc |
| 03/15/1977 | US4012298 Process for the electrolytic recovery of gallium and/or alkali metals |
| 02/15/1977 | US4008134 Extraction and separation of metals from solids using liquid cation exchangers |
| 01/25/1977 | US4004991 Sulfuric acid |
| 01/25/1977 | US4004990 Process for separating and recovering nickel and cobalt |
| 01/25/1977 | US4004987 Uranium, neptunium, transuranium, ph |
| 01/11/1977 | US4002544 Hydrometallurgical process for the recovery of valuable components from the anode slime produced in the electrolytical refining of copper |
| 12/07/1976 | US3996046 Extraction and purification of silver from sulfates |
| 11/30/1976 | US3994789 Galvanic cementation process |
| 11/16/1976 | US3992270 Iron, nitric acid lixiviation |
| 11/02/1976 | US3989607 Copper di(2-ethylhexyl)phosphate |
| 10/26/1976 | US3988225 Method of preventing the supersaturation of electrolyte solutions with one or more of the impurities arsenic, antimony and bismuth, in the electrolytic refining of nonferrous metals, especially copper |
| 10/26/1976 | US3988221 Electrolytic removal of heavy metal ions using particulate silicon alloys |
| 10/19/1976 | US3986943 Ferric chloride, antimony chloride, reduction, electrolysis, oxidation |
| 10/12/1976 | US3985857 Process for recovering zinc from ferrites |
| 10/12/1976 | US3985630 Method of extracting metals from spent electric storage batteries |
| 10/05/1976 | US3984295 Short circuiting, precipitation, electrochemical |
| 09/28/1976 | US3983018 Purification of nickel electrolyte by electrolytic oxidation |
| 09/28/1976 | US3983016 Electrolyzing, alkali chromate, chromic acid, sulfate |
| 09/21/1976 | US3981787 Electrochemical circulating bed cell |
| 09/21/1976 | US3981784 Electrowinning |
| 09/21/1976 | US3981353 Anode casting machine |
| 09/14/1976 | US3980538 Silver from photographic films |
| 09/07/1976 | US3979275 Apparatus for series electrowinning and electrorefining of metal |
| 09/07/1976 | US3979266 Process for purifying aqueous solutions, of metal ions precipitating as arsenides, antimonides, tellurides, and selenides |
| 09/07/1976 | US3979265 Recovery of metals from sulfur bearing ores |
| 08/31/1976 | US3977951 Fluidized beds |
| 08/17/1976 | US3975244 Silve, copper impurity |
| 08/10/1976 | US3974049 Electrochemical process |
| 08/03/1976 | US3972790 Fluorination of lead sulfide, electrolysis |
| 07/13/1976 | US3969207 Method for the cyclic electrochemical processing of sulfuric acid-containing pickle waste liquors |
| 07/13/1976 | US3969202 Process for the recovery of antimony values from ores containing sulfo-antimony compounds of copper, and arsenic |
| 06/29/1976 | US3966890 Method of producing solutions containing cuprous ions |
| 06/29/1976 | US3966568 Gallium chloride, aluminum, zinc, calcium, magnesium, sodium, potassium |
| 06/29/1976 | US3966567 Electrolysis process and apparatus |
| 06/08/1976 | US3962064 Electrolyzer and a method for the production of readily oxydizable metals in a state of high purity |
| 06/08/1976 | US3962051 Ni, cu, s |
| 06/01/1976 | US3961028 Method of producing cuprous sulfate and bisulfate solutions |
| 06/01/1976 | US3960681 Betts process |
| 05/25/1976 | US3959111 Electrolytic cell |
| 05/25/1976 | US3959110 Apparatus for silver recovery |
| 05/25/1976 | US3959097 Selenium rejection during acid leaching of matte |
| 05/25/1976 | US3959096 Electrochemical recovery of copper from alloy scrap |
| 05/18/1976 | US3957615 Apparatus for conducting electrolytic reactions |
| 05/18/1976 | US3957603 Electrolytic gold recovery and separation process |
| 05/18/1976 | US3957601 Extraction of metal values from sulfide ores |
| 05/18/1976 | US3957600 Method of and anodes for use in electrowinning metals |
| 05/18/1976 | US3957599 Process for electrowinning |