Patents for C25B 1 - Electrolytic production of inorganic compounds or non-metals (13,948) |
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09/02/1981 | EP0009480B1 Process and reactor for producing a treating aqueous solution containing at least hydrogenoperoxide ions and hydroxyl ions according to predetermined concentrations and use of the reactor |
08/26/1981 | EP0034513A1 Process for producing stabilized zirconia based solid electrolyte bodies, and bodies obtained by this process |
08/25/1981 | US4285797 Cathode for the electrolytic treatment of alkali halide |
08/25/1981 | US4285795 Electrolysis apparatus |
08/25/1981 | CA1107685A1 Diaphragm cell |
08/25/1981 | CA1107682A1 Membrane cell |
08/25/1981 | CA1107677A1 Rejuvenation of the efficiency of seawater electrolysis cells by periodic removal of anodic deposits |
08/11/1981 | US4283258 Recovery of tungsten from heavy metal alloys |
08/11/1981 | US4283257 Process for preparing ammonium metatungstate |
08/11/1981 | CA1106798A1 Process for producing tin (ii) sulfate |
08/11/1981 | CA1106613A1 Process for removing mercury from brine sludges |
08/04/1981 | US4282074 Electrolytic process utilizing a transition metal-graphite intercalation compound cathode |
08/04/1981 | CA1106314A1 Electrolysis cell with membrane for gas generation |
08/04/1981 | CA1106312A1 Electrolytic cell with membrane |
07/29/1981 | EP0032819A2 Method of preventing deterioration of palladium oxide anode in a diaphragm type alkali metal chloride electrolytic cell |
07/28/1981 | US4280885 Method of and apparatus for active electro-chemical water and similar environmental contaminant elimination in semi-conductor and other electronic and electrical devices and the like |
07/28/1981 | US4280883 Method of operating a solid polymer electrolyte chlor-alkali cell |
07/28/1981 | CA1105882A1 Horizontal mercury cathode electrolyzer |
07/28/1981 | CA1105876A1 Voltage reduction of membrane cell for the electrolysis of brine |
07/21/1981 | US4279879 Silica gel |
07/21/1981 | US4279731 Bipolar diaphragm |
07/21/1981 | US4279712 Method for electrolyzing hydrochloric acid |
07/21/1981 | US4279710 Oxidation during electrolysis using a fuel and water |
07/21/1981 | US4279705 Process for oxidizing a metal of variable valence by constant current electrolysis |
07/15/1981 | EP0031897A2 Bipolar element, method for its manufacture and diaphragm electrolyzer, and process for the electrolysis of alkali metal halide using such a bipolar element |
07/14/1981 | US4278526 Apparatus for electrolysis of an aqueous alkali metal chloride solution |
07/14/1981 | US4278525 Oxygen cathode for alkali-halide electrolysis cell |
07/14/1981 | US4278524 Diaphragms for use in the electrolysis of alkali metal chlorides |
07/09/1981 | WO1981001930A1 Interfering-wave elimination device |
07/08/1981 | EP0031788A1 Process for the electrolysis of an aqueous alkali metal halide solution, and electrolytic cell |
07/08/1981 | EP0031660A1 Electrolysis apparatus using a diaphragm of a solid polymer electrolyte, and a method for the production of the same |
06/30/1981 | US4276146 Halogen and alkali metal hydroxide from aqueous alkali metal halide |
06/30/1981 | US4276145 Electrolytic anolyte dehydration of castner cells |
06/30/1981 | US4276130 Electrolysis of sodium chloride |
06/23/1981 | US4274938 Apparatus for the production of hydrogen and oxygen |
06/23/1981 | US4274929 Precipitating magnesium silicate |
06/16/1981 | US4273736 Surface active element dispersed and cured in polyphenylene oxide or sulfide or polyimide matrix |
06/16/1981 | US4273642 Electrolytic cell |
06/16/1981 | US4273629 Bipolar unit |
06/16/1981 | US4273628 From alkali metal chromate derived from chrome ore |
06/16/1981 | US4273626 Electrolyte series flow in electrolytic chlor-alkali cells |
06/16/1981 | CA1103331A1 Apparatus for and method of regulating anode-cathode spacing in an electrolytic cell |
06/16/1981 | CA1103206A1 Bipolar separator for electrochemical cells and method of preparation thereof |
06/16/1981 | CA1103198A1 Method of electrolyzing brine |
06/09/1981 | US4272354 Electrodes for electrolytic processes |
06/09/1981 | US4272337 Membranes, potentials |
06/09/1981 | US4272336 Oxidation, oxidation catalysts |
06/03/1981 | EP0029751A1 Ion exchange membrane cell and electrolytic process using thereof |
06/03/1981 | EP0029628A1 Hydrogen gas generation utilizing a bromide electrolyte, an amorphous silicon semiconductor and radiant energy |
06/03/1981 | EP0029520A1 Method for the separation of gases developed by a fusion electrolysis, and fusion electrolysis apparatus |
06/02/1981 | US4271003 Novel gas electrodes |
06/02/1981 | US4270996 Cation exchange membrane of fluorinated polymer for electrolysis and electrolysis using the membrane |
05/28/1981 | WO1981001423A1 Method of and apparatus for active electrochemical water and similar environmental contaminant elimination in semiconductor and other electronic and electrical devices and the like |
05/27/1981 | EP0029371A2 Assemblies comprising semiconductor electrodes |
05/27/1981 | EP0029279A1 Material for electrodes and electrolytic cells with anodes consisting of this material |
05/27/1981 | EP0029083A1 Process for the simultaneous production of nitrogen monoxide and alkali hydroxide from aqueous solutions of alkali nitrite by electrolysis |
05/26/1981 | US4269688 Having an anode facing surface of an alloy of titanium and yttrium to upgrade the corrosion resistance of crevices and hydrogen uptake; electrolysis of brine |
05/26/1981 | US4269675 Electrolyte series flow in electrolytic chlor-alkali cells |
05/26/1981 | CA1101622A1 Method of bonding cation exchange membrane of fluorinated polymer |
05/20/1981 | EP0028925A1 Method of and generator for generation of chlorine-chlorine dioxide mixtures, chlorinating system and method |
05/19/1981 | US4268367 Electrolytic process for the sterilization of liquids |
05/19/1981 | US4268365 Method of electrolysis of an alkali metal chloride |
05/19/1981 | US4268363 Method for electrowinning metals |
05/12/1981 | US4267025 Electrodes for electrolytic processes, especially perchlorate production |
05/12/1981 | CA1100763A1 Hydrometallurgical leaching and refining of nickel- copper concentrates |
05/06/1981 | EP0028082A1 Treatment of semiconductor materials and their use as electrodes in photoelectrochemical cells |
05/05/1981 | US4265721 Commercial hydrogen gas production by electrolysis of water while being subjected to microwave energy |
05/05/1981 | US4265719 Electrolysis of aqueous solutions of alkali-metal halides employing a flexible polymeric hydraulically-impermeable membrane disposed against a roughened surface cathode |
05/05/1981 | US4265718 Electrolysis |
04/28/1981 | US4264426 Electrolytic cell and a method for manufacturing the same |
04/28/1981 | US4264422 Method for producing shaped articles by electrodepositional shaping from fibrous substance having electrophoretic property and apparatus for same |
04/28/1981 | CA1100089A1 Metal chloride electrolysis using cathode with onide coating of platinum and alkaline earth metals |
04/22/1981 | EP0027367A1 Method of manufacture of catalytic electrodes with coatings comprising platinum group electrocatalysts |
04/22/1981 | EP0027146A1 Process for producing hydrogen |
04/21/1981 | US4263117 Device for the recovery of gases formed during the electrolysis of alkali metal chlorides |
04/21/1981 | US4263112 Cell and method for electrolysis of water and anode therefor |
04/21/1981 | US4263111 Hydrogen generation utilizing semiconducting platelets suspended in a divergent vertically flowing electrolyte solution |
04/21/1981 | US4263110 For solar powered generator |
04/21/1981 | US4263107 Recirculation using baffles, hydrodynamics |
04/16/1981 | WO1981000973A1 Electrode coating with platinum-group metal catalyst and semiconducting polymer |
04/15/1981 | EP0027051A1 Coated metal electrode with improved barrier layer and methods of manufacture and use thereof |
04/15/1981 | EP0026979A2 Electrolytic cell and process for producing an alkali metal hydroxide and chlorine |
04/15/1981 | EP0026969A2 Method of bonding electrode to cation exchange membrane |
04/14/1981 | US4261803 Electrolysis of aqueous solution of potassium chloride |
04/07/1981 | US4260463 Generating chlorine gas carbon dioxide, and alkali metal hydroxide by electrolysis |
04/07/1981 | CA1098859A1 Process for electrolysis of aqueous alkali metal halide solution |
03/31/1981 | US4259297 Chromate removal from concentrated chlorate solution by chemical precipitation |
03/25/1981 | EP0025644A1 Fluorinated polymer cation exchange membrane for electrolysis, process for its preparation and process for electrolysing an aqueous solution of an alkali metal chloride |
03/25/1981 | EP0025613A1 A process for improving the quality of chlorine |
03/24/1981 | US4258081 Thermoplastic impregnating fabric covered electrodes |
03/24/1981 | US4257867 Electrolytic cell having a gas impervious membrane for separation of chlorine gas |
03/24/1981 | US4257866 Electrolyzer cell |
03/24/1981 | US4257856 Electrolytic process useful for the electrolysis of water |
03/24/1981 | CA1098076A1 Reduction of steel cathode overpotential |
03/18/1981 | EP0025334A1 Chromate removal from concentrated chlorate solution by chemical precipitation |
03/17/1981 | US4256556 Anodically polarized surface for biofouling and scale control |
03/17/1981 | US4256554 Dissolving in the electrolyte to obtain chlorine tions; using a gas-impermeable but liquid-permeable membrane; venting chlorine gas at the anode; used for zinc-halogen batteries |
03/17/1981 | US4256552 Chlorine generator |
03/17/1981 | US4256551 Laminar flow |
03/17/1981 | US4256549 Antimony trioxide to antimony tetraoxide |