| Patents for C25B 1 - Electrolytic production of inorganic compounds or non-metals (13,948) |
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| 08/14/1990 | US4948476 Using electrolytic oxidation cell and coupled transport module |
| 08/14/1990 | CA1272694A1 Monopolar electrochemical cell having a novel electric current transmission element |
| 08/14/1990 | CA1272647A1 Gas generator |
| 08/09/1990 | WO1990008845A1 Removal of nitric oxide from waste gases and recovery as nitric acid |
| 08/09/1990 | WO1990008634A1 Harvester for removing a substance from a plate |
| 08/07/1990 | US4946565 Process for the production of alkali metal chlorate |
| 08/01/1990 | EP0218706B1 Electrodes for use in electrochemical processes and method for preparing the same |
| 08/01/1990 | CN2059920U Electrolyzer for high-purity hydrogen generator |
| 07/26/1990 | WO1990008295A1 Method and apparatus for the production of liquid oxygen and liquid hydrogen |
| 07/26/1990 | WO1990008207A1 Cryoelectrosynthesis |
| 07/25/1990 | CN2059659U Electrolyzer for acid or alkali |
| 07/23/1990 | CA2007464A1 Cryoelectrosynthesis |
| 07/17/1990 | CA1271772A1 Oxidation of organic compounds using ceric ions in aqueous methanesulfonic acid |
| 07/10/1990 | CA1271490A1 Oxidation of organic compounds using thallium ions |
| 07/10/1990 | CA1271484A1 Oxidation of organic compounds using ceric methanesulfonate in an aqueous organic solution |
| 07/03/1990 | US4938852 Recovery of europium (II) values by electrolysis |
| 06/28/1990 | WO1990007020A1 Electrochemical generation of dinitrogen pentoxide in nitric acid |
| 06/27/1990 | EP0215016B1 Solid compositions based on superoxides, production thereof and electrochemical applications thereof |
| 06/27/1990 | EP0211028B1 Process for making a polymer-modified electrode |
| 06/27/1990 | CN1008543B Process for electrolysis of water |
| 06/26/1990 | US4936972 Membrane electrolyzer |
| 06/26/1990 | US4936970 Redox reactions in an electrochemical cell including an electrode comprising Magneli phase titanium oxide |
| 06/26/1990 | US4936961 Generation of hydrogen and oxygen by using water as dielectric between capacitor plates in electrical resonant circuit |
| 06/20/1990 | EP0373791A1 A non-hydrous electrolyte lithium primary cell and a method for manufacturing manganese dioxide therefor. |
| 06/20/1990 | CN1008446B Leaching process |
| 06/19/1990 | US4935110 Electrode structure and process for fabricating the same |
| 06/06/1990 | EP0371927A1 A method of obtaining stannous sulphate, and equipment for the implementation of such a method |
| 06/05/1990 | US4931154 Production of metal borohydrides and organic onium borohydrides |
| 05/31/1990 | WO1990005798A1 Electrocatalyst, methods for preparing it, electrodes prepared therefrom and methods for using them |
| 05/30/1990 | EP0370149A2 Ionic semiconductor materials and applications thereof |
| 05/30/1990 | CN1042574A Process for continuous preparation of perchlorate of alkali motal |
| 05/30/1990 | CN1042573A Anode of electrolytic water application for welding machine and its processing method |
| 05/30/1990 | CN1008190B Method for producing alkali metal hydroxide and electrolytic cell useful for the method |
| 05/23/1990 | EP0369732A1 Electrochemical reduction-oxidation reaction and apparatus |
| 05/22/1990 | US4927800 Electrode catalyst and method for production thereof |
| 05/22/1990 | US4927793 Proton conductive material and method of manufacturing thereof |
| 05/22/1990 | US4927514 Platinum black air cathode, method of operating same, and layered gas diffusion electrode of improved inter-layer bonding |
| 05/22/1990 | US4927509 Bipolar electrolyzer |
| 05/22/1990 | CA1269346A1 Multi-layered diaphragm for electrolysis |
| 05/22/1990 | CA1269283A1 Non-organic/polymer fiber composite, method of making same and use including dimensionally stable separator |
| 05/17/1990 | CA2003299A1 Electrocatalyst, methods for preparing it, electrodes prepared therefrom and methods of using them |
| 05/16/1990 | EP0368812A1 Method and apparatus for electrolyzing water |
| 05/16/1990 | EP0368767A1 Continuous process for manufacturing alkali metal perchlorate |
| 05/16/1990 | EP0368066A1 Process for the preparation of sodium dichromate |
| 05/15/1990 | US4925639 Removal of nitric oxide from waste gases and recovery as nitric acid |
| 05/15/1990 | US4925537 Process for separation of hafnium tetrachloride from zirconium tetrachloride and electrode |
| 05/14/1990 | CA2002707A1 Electrochemical reduction-oxidation reaction and apparatus |
| 05/10/1990 | DE3837354A1 Method and appliance for safeguarding a high-pressure water electrolysis system |
| 05/08/1990 | CA1268731A1 Process for preparation of high purity chalcogenide elements by the electrochemical reduction of chalcogenide esters |
| 05/08/1990 | CA1268730A1 Purification of gases containing mercury and recovery of metallic mercury |
| 05/02/1990 | EP0365558A1 The electrochemical generation of n 2?o 5? |
| 05/02/1990 | CN1007829B Method for removing sulfate from electrolytic brine |
| 05/01/1990 | US4921545 Supported tool strikingly engages manganese dioxide; electrolytic cells |
| 04/25/1990 | EP0365113A1 Production of chloric acid |
| 04/25/1990 | CN1007737B Active cathode with porous nickel plating and preparation thereof |
| 04/24/1990 | US4919791 Controlled operation of high current density oxygen consuming cathode cells to prevent hydrogen formation |
| 04/24/1990 | US4919781 Having a base, cooling coils, a layer of ptfe on base electrical insulation |
| 04/24/1990 | US4919772 Electrolytic cell/process for the reduction of titanium/iron solutions |
| 04/18/1990 | CN1041404A Process for cooling of gaseous chlorine |
| 04/11/1990 | EP0363314A1 Process and device for recovering catalyst constituents |
| 04/11/1990 | EP0362445A1 Electrical conditioning system for electrodes in an electrolysis cell |
| 04/10/1990 | US4915927 Electrolysis-electrodialysis in multi compartment cell of aqueous chlorate solution |
| 04/10/1990 | US4915809 Carbon electrodes including trasition metal dispersed therein |
| 04/05/1990 | DE3932895A1 Pressurised gas generator - with automatically controlled operation, esp. for electrolytic hydrogen prodn. |
| 04/04/1990 | EP0362164A2 Method and apparatus for treating water using electrolytic ozone |
| 03/29/1990 | DE3832207A1 Process for operating electrochemical cells equipped with solid electrolytes using unsoftened, undemineralised feed water |
| 03/28/1990 | EP0360536A2 Cell and method of operating a liquid-gas electrochemical cell |
| 03/28/1990 | EP0360486A2 Process for cooling of gaseous chlorine |
| 03/28/1990 | EP0360047A1 Eatables and drinkables |
| 03/27/1990 | US4911802 Subjecting an aqueous solution of alkali metal manganate and alkali hydroxide to electrolytic oxidation |
| 03/21/1990 | EP0359631A1 New electrolysis cell and electrolysis unit for putting it in active operation |
| 03/20/1990 | US4909912 Ion exchange membrane cell and electrolytic process using thereof |
| 03/20/1990 | US4909911 In electrolytic cell; producing hydrogen peroxide |
| 03/13/1990 | US4908113 Apparatus for the electrochemical separation of oxygen |
| 03/13/1990 | US4908108 Electrolytic oxidation of cerium 3+ values to cerium 4+ values |
| 03/07/1990 | EP0357077A2 Platinum black air cathode, method of operating same, and layered gas diffusion electrode of improved inter-layer bonding |
| 03/07/1990 | EP0356807A2 Process for the production of alkali dichromates and chromic acid |
| 03/07/1990 | EP0356806A2 Process for the production of chromic acid |
| 03/07/1990 | EP0356805A2 Process for the production of alkali dichromates and chromic acid |
| 03/07/1990 | EP0356804A2 Process for the production of alkali dichromates and chromic acid |
| 03/07/1990 | EP0356803A2 Process for the preparation of an electrolyte for obtaining alkali metal bichromates and chromic acid |
| 03/07/1990 | EP0356802A2 Electrochemical process for the production of chromic acid |
| 03/07/1990 | EP0196317B1 Non-organic/polymer fiber composite, method of making same and use including dimensionally stable separator |
| 03/01/1990 | DE3927582A1 Elektrolytische zelle Electrolytic cell |
| 02/21/1990 | CN2053096U Multipurpose miniature disinfectant generator |
| 02/14/1990 | CN1006814B Durable electrolytic electrode and process for manufacture thereof |
| 02/13/1990 | US4900585 Cathode and process for the manufacture thereof |
| 02/13/1990 | US4900408 Tetrafluoroethylene copolymer with perfluorinated vinyl ether salt is cation exchange resin |
| 02/07/1990 | EP0353367A1 Combined process for production of chlorine dioxide and sodium hydroxide |
| 02/06/1990 | CA1265472A1 Cation exchange fluoropolymer membrane |
| 01/31/1990 | CN1039270A Method and equipment for electrolyzing metal mn and mno2 in same electrolyzer |
| 01/24/1990 | CN1039072A Electrolysis process and equipment for producing standard hydrogen sulphide |
| 01/23/1990 | US4895905 Gel-type chelating resins and a process for removal of multi-valent, alkaline earth or heavy metal cations from solutions |
| 01/23/1990 | US4895634 Porous separatory member entirely made of polyphenylene sulfide for the electrolysis of water |
| 01/17/1990 | CN1006468B Air electrode for producing basic hydrogen peroxide and its manufacturing method |
| 01/10/1990 | CN1038675A Electrically conductive microemulsions of water in oil type based on perfluorinated compounds and used as catholyte in electrochemical processes |
| 01/10/1990 | CN1038674A Electrically conductive oil in water microemulsions based on perfluorinated compounds and used as catholyte in electrochemical processes |
| 01/03/1990 | CN2050429U Oxygen generator by electrolyzing water |
| 01/03/1990 | CN2050428U Oxygen/hydrogen generator |
| 01/02/1990 | US4891107 Porous diaphragm for electrochemical cell |