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| Number | Title | Issue Date |
| 5776328 | Apparatus and process for electrochemically decomposing salt solutions to form the relevant base and acid Electrolyzer for the electrolysis of a solution of a salt for the production of a solution containing an acid and a solution of a base, said electrolyzer comprising at least one elementary cell divided into three compartments by two cation-exchange membra... | 07/07/1998 |
| 5660713 | Jumper switch means for electrolyzers electrically connected in series The novel jumper switch means of the invention is directed to by-passing an electrolyzer in a row of electrolyzers electrically connected in series to permit removal of the by-passed electrolyzer for maintenance. The jumper switch means comprises one or m... | 08/26/1997 |
| 5578388 | Electrochemical cell provided with ion exchange membranes and bipolar metal plates A membrane electrochemical cell, in particular a fuel cell, of an improved type comprising a multiplicity of cell elements, each element made up of bipolar plates, current collectors, electrodes and membranes, wherein the function of electric current tran... | 11/26/1996 |
| 5565072 | Electrochemical cell provided with ion exchange membranes and bipolar metal plates A membrane electrochemical cell, in particular a fuel cell, of an improved type comprising a multiplicity of cell elements, each element made up of bipolar plates, current collectors, electrodes and membranes, wherein the function of electric current tran... | 10/15/1996 |
| 5482792 | Electrochemical cell provided with ion exchange membranes and bipolar metal plates A membrane electrochemical cell, in particular a fuel cell, of an improved type comprising a multiplicity of cell elements, each element made up of bipolar plates, current collectors, electrodes and membranes, wherein the function of electric current tran... | 01/09/1996 |
| 5464507 | Process for the electrolytic deposition of metals A process for the electrolytic recovery of metals from solutions containing metal ions and fluorides and/or anionic flurocomplexes in diaphragmless cells wherein the deposition of the metals at the cathodes and the oxygen evolution at the anodes is effect... | 11/07/1995 |
| 5431796 | Shortcircuiting system for use in monopolar and bipolar electrolyzers A shortcircuiting system, particularly useful for by-passing an electrolyzer in a multiplicity of monopolar or bipolar electrolyzers in an electrolysis circuit, said system comprising power supply means for feeding electrolysis current to said electrolyze... | 07/11/1995 |
| 5401367 | Chlor-alkali diaphragm electrolysis process and relevant cell In a process of chlor-alkali electrolysis carried out in a diaphragm cells comprising pairs of interleaved anodes and cathodes, the cathodes being provided with openings and coated with a porous diaphragm resistant to corrosion, at least part of the said ... | 03/28/1995 |
| 5346596 | Method for bypassing a monopolar electrolyzer in series A method for by-passing a monopolar electrolyzer out of a plurality of monopolar electrolyzers connected in series to an electrical power source, which electrolyzers consist of individual electrolysis cells each having anodic and cathodic contact points, ... | 09/13/1994 |
| 5344530 | Metal anodes for electrolytic acid solutions containing fluorides or fluoroanionic complexes The present invention relates to metal anodes for oxygen evolution from solutions containing fluorides or artionic fluorocomplexes such as tetrafluoroborates and hexafluorosilicates, the anodes having a metal substrate or matrix selected in the group comp... | 09/06/1994 |
| 5207883 | Jumper switch means An electric jumper switch means for electric current bypass of at least one electrolyzer consisting of individual electrolysis cells, out of a plurality of monopolar electrolyzers connected in series to an electrical power source characterized in that sai... | 05/04/1993 |
| 4975161 | Electrodes for use in electrochemical processes and method for preparing the same The present invention concerns electrodes for use in electrochemical processes, particularly as cathodes for hydrogen evolution in cells for the electrolysis of alkali metal halides, the electrodes comprising an electrocatalytic ceramic coating obtained b... | 12/04/1990 |
| 4938851 | Method for preparing an electrode and use thereof in electrochemical processes The present invention concerns a method for preparing electrodes for use in electrochemical processes, said electrodes being constituted by a conductive support whereto an electrocatalytic coating is applied by galvanic deposition from a galvanic plating ... | 07/03/1990 |
