| Patents for C25B 9 - Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies (10,868) |
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| 09/11/1990 | US4956069 Titanium anode, tin cathode |
| 09/11/1990 | US4956067 Multi-rotating disk electrode and solid polymer electrolyte electrode type electrolytic bath |
| 09/11/1990 | US4956061 Electroconductive catalytic material bonding to membranes |
| 09/10/1990 | CA2011769A1 Method and apparatus for adjusting the distance between the poles of electrolysis cells |
| 08/28/1990 | CA1273315A1 Process for producing potassium hydroxide |
| 08/22/1990 | EP0383243A2 Electrolyser for chlor-alkali electrolysis, and anode |
| 08/22/1990 | CN1044831A Improved eletrolyzer and anode |
| 08/21/1990 | US4950370 Electrolytic gas generator |
| 08/21/1990 | US4950366 Electrochemical degradation oxidation of salt of D-gluconic acid |
| 08/14/1990 | CA1272694A1 Monopolar electrochemical cell having a novel electric current transmission element |
| 08/01/1990 | EP0379480A1 Coprecipitated hydrogels in pressure tolerant gas diffusion electrodes |
| 07/26/1990 | WO1990008107A1 Electrochemical cells |
| 07/25/1990 | CN2059659U Electrolyzer for acid or alkali |
| 07/18/1990 | EP0378091A1 Block of cells for electrolysis |
| 07/10/1990 | US4940518 Combination seal member and membrane holder for a filter press type electrolytic cell |
| 06/27/1990 | EP0374145A1 Ionomeric polymers with ionomer membrane in pressure tolerant gas diffusion electrodes |
| 06/27/1990 | EP0215016B1 Solid compositions based on superoxides, production thereof and electrochemical applications thereof |
| 06/26/1990 | US4936972 Membrane electrolyzer |
| 06/20/1990 | EP0373772A1 Structure for effecting gas-liquid contact and part thereof |
| 06/20/1990 | CN1043094A Structure for effective gas-liquid contact and part thereof |
| 06/19/1990 | US4935110 Electrode structure and process for fabricating the same |
| 06/13/1990 | EP0371965A1 Ionomer membranes in pressure tolerant gas diffusion electrodes |
| 06/05/1990 | US4931214 Oxidic bodies with ionic and electronic conductivity |
| 06/05/1990 | US4931166 Electrochemical cell |
| 05/30/1990 | CN1008190B Method for producing alkali metal hydroxide and electrolytic cell useful for the method |
| 05/29/1990 | CA1269638A1 Electrolytic cell and gasket for electrolytic cell |
| 05/29/1990 | CA1269635A1 Electrolyzing method and electrolytic cell employing fluidized bed |
| 05/23/1990 | CN1008124B Method for mfg. improved electrolyte-electrode of solid polymer using liquid or solvent |
| 05/23/1990 | CN1008123B Improved solid polymer electrolyte electrode |
| 05/22/1990 | US4927800 Electrode catalyst and method for production thereof |
| 05/22/1990 | US4927509 Bipolar electrolyzer |
| 05/16/1990 | EP0368812A1 Method and apparatus for electrolyzing water |
| 05/14/1990 | EP0371965A4 Ionomer membranes in pressure tolerant gas diffusion electrodes. |
| 05/08/1990 | US4923582 Ion exchange membrane between an anode and cathode in a filter press electrode with bulkheads |
| 05/01/1990 | US4921587 Porous diaphragm for electrochemical cell |
| 05/01/1990 | US4921586 Reduction of carbon dioxide, metal phthalocyanine catalyst |
| 05/01/1990 | US4921585 Metal phthalocyanine catalyst |
| 04/25/1990 | CN1041578A Electrolyzer for purification of fluids |
| 04/24/1990 | US4919781 Having a base, cooling coils, a layer of ptfe on base electrical insulation |
| 04/24/1990 | CA1268204A1 High rate cathode formulation |
| 04/10/1990 | US4915803 Combination seal and frame cover member for a filter press type electrolytic cell |
| 04/05/1990 | DE3932895A1 Pressurised gas generator - with automatically controlled operation, esp. for electrolytic hydrogen prodn. |
| 04/03/1990 | US4913779 Pulsating circulation of liquid electrolyte, reversing direction of flow prevents clogging |
| 03/28/1990 | EP0360536A2 Cell and method of operating a liquid-gas electrochemical cell |
| 03/28/1990 | CN2055139U 氢气断电器 Hydrogen breaker |
| 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 |
| 03/15/1990 | DE3829901A1 Electrolysis cell arrangement in filter press construction |
| 03/01/1990 | DE3927582A1 Elektrolytische zelle Electrolytic cell |
| 02/13/1990 | US4900418 Electrolytic chlorine generator with cover element |
| 02/07/1990 | EP0353367A1 Combined process for production of chlorine dioxide and sodium hydroxide |
| 02/06/1990 | US4898699 Method for bonding a porous metal layer to a cermet surface |
| 02/06/1990 | US4898653 Combination electrolysis cell seal member and membrane tentering means |
| 01/30/1990 | CA1265188A1 Proton exchange polymer film fuel cells |
| 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 |
| 01/16/1990 | US4894129 Method and apparatus for positioning sheet-like objects |
| 01/16/1990 | US4894128 Sodium chloride electrolysis, filter pressing |
| 01/09/1990 | US4892636 Portable |
| 01/09/1990 | US4892632 Combination seal member and membrane holder for an electrolytic cell |
| 01/09/1990 | US4892630 Process for the passivating anodization of copper in a medium of molten fluorides, and use for the protection of copper parts of fluorine electrolysers |
| 01/02/1990 | US4891117 Method and apparatus for installing gasket members between flat plate structures |
| 01/02/1990 | US4891107 Porous diaphragm for electrochemical cell |
| 12/26/1989 | US4889577 Ion exchange membrane joined to electroconductive screen |
| 12/20/1989 | EP0346397A1 Hydrogel loaded active layer in pressure tolerant gas diffusion electrodes |
| 12/20/1989 | EP0346390A1 Irradiated ionomers in pressure tolerant gas diffusion electrodes |
| 12/12/1989 | US4886586 Combination electrolysis cell seal member and membrane tentering means for a filter press type electrolytic cell |
| 12/05/1989 | US4885072 Container for corrosive electrolyte |
| 11/29/1989 | EP0343274A1 Heavy current circuit breaker particularly for agressive environment such as short-circuiter for electrolysis installations |
| 11/28/1989 | CA1263339A1 Electrolytic cell for the electrolysis of an alkali metal chloride |
| 11/23/1989 | EP0343122A1 Electrolytic cell |
| 11/23/1989 | DE3816380A1 Method of producing an electrode for generating high current densities at points, with a low electrolysis current |
| 11/15/1989 | EP0342168A1 Bipolar-electrode electrolytic cell |
| 11/15/1989 | EP0342167A1 Bipolar-electrode type electrolytic cell |
| 11/08/1989 | EP0341138A1 Process and apparatus for the treatment of waste water by electrolysis with a soluble anode |
| 11/08/1989 | EP0340820A1 Electrolyser |
| 11/08/1989 | CN1036995A Three-spacer photolytic cell |
| 11/08/1989 | CN1036994A Two-spacer photolytic cell |
| 11/07/1989 | US4879016 Undercoat |
| 11/02/1989 | DE3813017A1 Vorrichtung zur elektrochemischen behandlung von radioaktiven brennstoffloesungen Apparatus for electrochemical treatment of radioactive fuel loesungen |
| 10/31/1989 | US4877506 Monolithic solid electrolyte oxygen pump |
| 10/31/1989 | US4877499 Ion exchange membrane and at least two strengthening layers along gasket-bearing surface of membrane |
| 10/31/1989 | CA1262534A1 Narrow gap reticulate electrode electrolysis cell |
| 10/24/1989 | US4875988 Electrolytic cell |
| 10/18/1989 | EP0337387A1 Diaphragm cell cathode assembly |
| 10/10/1989 | US4873121 Impregnating mat of graphite fibers with solution of para-ammonium tungstate or tungsten hexachloride, heating to convert to tungsten oxides, carburizing and applying to membrane by pressing; eliminates cathode poisoning |
| 10/10/1989 | US4872957 Electrochemical cell having dual purpose electrode |
| 10/05/1989 | WO1989009189A1 Electrolyser for cleaning of waste water |
| 10/04/1989 | EP0221178A4 Use of a cell component in fuel cell. |
| 09/27/1989 | EP0334635A1 Electrolytic reactor |
| 09/27/1989 | EP0334394A1 Filter press electrochemical cell with improved fluid distribution system |
| 09/26/1989 | US4869800 Cell arrangement for a filter press type stack of cells |
| 09/26/1989 | US4869799 Insert of a thin porous, hydrophilic and fluid-permeable sheet between membrane and cathode surface to reduce cell voltage |
| 09/26/1989 | CA1261786A1 Method of electrically shorting an electrolytic cell |
| 09/26/1989 | CA1261300A1 Circulating electrolyte electrochemical cell having gas depolarized cathode with hydrophobic barrier layer |
| 09/26/1989 | CA1259950A1 Coated valve metal anode for electrolytic extraction of metals or metal oxides |
| 09/26/1989 | CA1259949A1 Coated valve metal anode for electrolytic extraction of metals or metal oxides |
| 09/20/1989 | EP0333364A1 Electrochemical cell |
| 09/20/1989 | EP0333281A1 Membrane electrolysis device |
| 09/20/1989 | EP0137836B1 Unitary central cell element for filter press electrolysis cell structure |