| Patents for C25B 1 - Electrolytic production of inorganic compounds or non-metals (13,948) |
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| 05/02/1989 | CA1253453A1 Addition of reducing agent to prevent degradation of low hydrogen overvoltage cathode |
| 04/26/1989 | EP0130215B1 Monopolar, bipolar and/or hybrid membrane cell |
| 04/25/1989 | US4824534 Process for electrically separating the electrolyte-bearing mains from the electrolyte spaces of an electrochemical cell pile |
| 04/19/1989 | EP0213142B1 Gas separation process |
| 04/18/1989 | US4822469 Electrical power supply for an electrolytic gas generator |
| 04/18/1989 | US4822461 Electrolytic cell |
| 04/18/1989 | CA1252753A1 Selective removal of chlorine from solutions of chlorine dioxide and chlorine |
| 04/18/1989 | CA1252752A1 Production of hexavalent chromium for use in chlorate cells |
| 04/18/1989 | CA1252751A1 Process for the separation of cerium and rare earths |
| 04/12/1989 | EP0311575A1 Electrolysis cell and method of producing chlorine |
| 04/11/1989 | CA1252414A1 Electrolysis of alkali metal chloride solution |
| 04/04/1989 | US4818354 Process for the preparation electrolytic manganese dioxide |
| 03/29/1989 | CN1032039A Current collector combined with solid high-polymer membrane |
| 03/29/1989 | CN1031945A Stripping and recovery of dichromate in electrolytic chromate system |
| 03/22/1989 | EP0308175A1 Stripping and recovery of dichromate in electrolytic chlorate systems |
| 03/22/1989 | CN1031866A Active cathode with porous nickel plating and preparation thereof |
| 03/14/1989 | CA1251164A1 Catalyst for basic solution electrolyser |
| 03/14/1989 | CA1251159A1 Preparation of nickel-oxide hydroxide electrode |
| 03/08/1989 | EP0305910A1 Process for the production of alkali metal nitrates |
| 02/28/1989 | US4808282 Replacement of alkali metal in liquid electrolyte compound with alkali earth metal |
| 02/22/1989 | CN1031262A Prodn. process of sodium perchlorate |
| 02/21/1989 | US4806224 Electrolytic process |
| 02/21/1989 | US4806215 Electrolytic cells, ion exchange membranes |
| 02/14/1989 | US4804528 Stripping and recovery of dichromate in electrolytic chlorate systems |
| 02/14/1989 | US4804449 With a woven non-ionic modacrylic fiber diaphragm, nacl, naoh for water treatment; swimming pools |
| 02/14/1989 | US4804447 Fused salt electrolysis of electrolyte mixture of hydrofluoric acid salts of ammonia and hydrazine |
| 02/14/1989 | CA1249923A1 Cobalt doped lanthanum chromite material suitable for high temperature use |
| 02/09/1989 | WO1989001058A1 Process for electrolysis of water in alkaline medium |
| 02/07/1989 | US4802970 Dissolving calcium flouride in an alkali metal tetrafluoroborate melt electrolyte |
| 02/07/1989 | US4802960 Controlling ionic movement; positioning screen electrode within separator |
| 02/07/1989 | US4802959 Electrolysis of sulfate solution with glassy carbon anode and flouirde ions present |
| 01/31/1989 | US4801369 Preventing fluids in leakable enclosures from intermixing |
| 01/31/1989 | US4801359 Solid compositions based on superoxides having high ionic conductivity, their method of manufacture, and their electrochemical applications |
| 01/25/1989 | EP0300227A2 Process for manufacturing nitrogen trifluoride |
| 01/24/1989 | US4800008 Electrolyser of the filter-press type |
| 01/18/1989 | EP0299838A1 Process for the electrolytic reduction and separation of europium |
| 01/18/1989 | CN1030449A Improvements in or relating to preventing fluids in leakable enclosures from intermixing |
| 01/17/1989 | US4798715 Producing chlorine dioxide from chlorate salt |
| 01/04/1989 | EP0297880A1 Improvements in or relating to preventing fluids in leakable enclosures from intermixing |
| 01/03/1989 | US4795537 Electrical conditioning system for electrodes in an electrolysis cell |
| 01/03/1989 | US4795535 Electrolysis of alkali metal chloride and purification of hydrogen gas |
| 12/29/1988 | WO1988010326A1 The electrochemical generation of n2o5 |
| 12/28/1988 | EP0296425A1 Porous separatory member entirely made of polyphenylene sulfide for the electrolysis of water |
| 12/28/1988 | CN88103588A Method for production of alkali metal hydroxide |
| 12/27/1988 | US4793910 Photolysis of water |
| 12/27/1988 | US4793906 Electrochemical process for producing hydrosulfite solutions |
| 12/21/1988 | EP0295878A1 The electrochemical generation of N2O5 |
| 12/21/1988 | CN88100785A Gel-type chelating resins and process for removal of multi-valent, alkaline earth or heavy metal cations from solutions |
| 12/21/1988 | CN87103988A Air electrode for producing basic hydrogen peroxide and its manufacturing method |
| 12/20/1988 | US4792388 Electrolysis method of electrolyzing halides |
| 12/20/1988 | CA1247038A1 Process for obtaining hydrogen and oxygen from water |
| 12/15/1988 | WO1988009799A1 Method for producing an alkali metal hydroxide |
| 12/13/1988 | US4790916 One-unit photo-activated electrolyzer |
| 12/13/1988 | US4790915 Process for the electrolysis of alkali metal chloride solutions |
| 12/13/1988 | US4790914 Upward flowing of electrolytes and gases; minimize the contact between ion permeable membrane and cathode |
| 12/13/1988 | CA1246494A1 Hydrogen-evolution electrode and a method of producing the same |
| 12/13/1988 | CA1246490A1 Process for the electrolytic production of fluorine and novel cell therefor |
| 12/06/1988 | US4789561 Oxygen electrode with layer comprising electrode and electrolyte materials |
| 12/06/1988 | US4789443 Flexible resilient unifrom compressed electrodes and membrane |
| 12/06/1988 | CA1246008A1 Electrode with nickel substrate and coating of nickel and platinum group metal compounds |
| 11/30/1988 | EP0293151A1 Electrolytic production of chlorine dioxide |
| 11/29/1988 | CA1245597A1 Process for the concentration of sulfuric acid |
| 11/24/1988 | DE3716495A1 Process and apparatus for preparing chemically pure oxygen to be used for therapeutic purposes |
| 11/22/1988 | US4786380 Disinfecting water |
| 11/17/1988 | EP0291445A2 Process and apparatus for regenerating permanganate etch solutions |
| 11/17/1988 | EP0291416A1 Process for the reduction of a solution containing titanium and iron |
| 11/15/1988 | US4784875 Electrolytic cells with polymer separator mesh |
| 11/15/1988 | US4784735 Concentric tube membrane electrolytic cell with an internal recycle device |
| 11/08/1988 | US4783246 Bipolar rapid pass electrolytic hypochlorite generator |
| 10/25/1988 | CA1243686A1 Process for the manufacture of an aldehyde |
| 10/25/1988 | CA1243630A1 Monopolar or bipolar electrochemical terminal unit having a novel electric current transmission element |
| 10/12/1988 | CN87207116U New-type electrolyser |
| 10/11/1988 | US4776930 Efficient electrolytic process; high purity; fertilizers |
| 10/11/1988 | CA1242990A1 Seal means for electrolytic cells |
| 10/11/1988 | CA1242988A1 Method for separating oxygen from a gaseous mixture |
| 10/06/1988 | WO1988007597A1 Electrochemical activation of chemical reactions |
| 10/05/1988 | EP0285230A1 Process for the electrolytic production of non-metals |
| 10/04/1988 | CA1242670A1 Removing anion from organic compound in four-chamber electrolytic cell with ion exchange membranes |
| 09/27/1988 | US4773982 Electrolyzer with sandwich arrangement of diaphragm and electrodes and method of producing the sandwich arrangement |
| 09/27/1988 | US4773975 Reduction, electrolysis |
| 09/27/1988 | US4773974 Production of hexavalent chromium for use in chlorate cells |
| 09/20/1988 | US4772364 Ruthenium oxide, ion exchange resin |
| 08/30/1988 | US4767519 Monopolar and bipolar electrolyzer and electrodic structures thereof |
| 08/30/1988 | US4767510 Electrolytic protection of chlorine dioxide |
| 08/30/1988 | CA1241289A1 Electrolysis process using liquid electrolytes and porous electrodes |
| 08/24/1988 | EP0279174A1 Process for manufacturing electrolytic manganese dioxide |
| 08/23/1988 | US4765879 Conductive metal coated with rare earth compound and metal or metal oxide before active layer |
| 08/17/1988 | EP0278411A2 Gel-type chelating resins and a process for removal of multivalent, alkaline earth or heavy metal cations from solutions |
| 08/16/1988 | US4763610 Engine assembly |
| 08/02/1988 | US4761216 Cathode for electrochemical membrane cell producing alkali metal hydrosulfite solutions |
| 08/02/1988 | US4761209 Closed membrane system with a reversible oxygen binding compound |
| 07/19/1988 | US4758322 Stack of bipolar elements |
| 07/19/1988 | US4758317 Electrolysis reduction of oxygen at cathode |
| 07/12/1988 | US4756806 Hybrid thermoelectrochemical synthesis of gaseous fuels from water and carbon dioxide |
| 07/05/1988 | US4755268 Process and apparatus for producing silver-ionic water |
| 06/28/1988 | US4753718 Hydrogen peroxide electrolytic cell |
| 06/23/1988 | DE3642200A1 Method and device for generating mechanical energy |
| 06/21/1988 | US4752369 Separating electrodes from permselective membrane by spacing which is porous, hydrophilic and electrically non-conductive |
| 06/21/1988 | US4752364 Method for treating organic waste material and a catalyst/cocatalyst composition useful therefor |
| 06/07/1988 | US4749462 Oxidation of cerium salts |