| 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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| 08/06/1991 | CA1287323C Apparatus and method for purifying hydrogen |
| 07/31/1991 | EP0215078B1 Monopolar and bipolar electrolyzer and electrodic structures thereof |
| 07/24/1991 | EP0437842A1 Electrode for electrochemical reactors |
| 07/16/1991 | US5032245 Reticulate electrode bus connection |
| 07/11/1991 | DE4033016A1 Electrolytic cell for continuous catalytic treatment of water - comprises housing with anodes catalysers, cathode in cassette form sepd. by spacers and having a final filter and absorption stage |
| 07/10/1991 | EP0436078A2 Anode device for electrolytic cell |
| 07/04/1991 | DE3943362A1 Bipolar electrolysis cell for hydrogen and oxygen prodn. - has cell frame formed from border of central sheet to withstand higher process pressure and temp. |
| 07/03/1991 | EP0435385A1 Electrolytic cell for gas production comprising a stack of vertical frames |
| 06/29/1991 | CA2032000A1 Electrolytic gas generator incorporating a stack of vertical frames |
| 06/27/1991 | WO1991009990A1 Electrochemical chlorine dioxide generator |
| 06/18/1991 | US5024788 Structure for effecting gas-liquid and part thereof |
| 06/12/1991 | EP0431313A1 Container for corrosive electrolytes |
| 06/11/1991 | US5022975 Solid state electrochemical pollution control device |
| 06/05/1991 | EP0429710A1 Container for corrosive materials |
| 06/04/1991 | US5021137 Ceramic solid electrolyte based electrochemical oxygen concentrator cell |
| 05/30/1991 | WO1991007525A2 Apparatus for gas generation |
| 05/29/1991 | CN1012686B Monopolar and bipolar electrolyzer and electrodic structures thereof |
| 05/22/1991 | EP0428171A1 Electrolysis cell for the manufacture of peroxo- and perhalogenate compounds |
| 05/15/1991 | EP0427340A1 Device for carrying out an electrolytic process |
| 05/15/1991 | CN1051401A Electrolytic apparatus for producing hydrogen and oxygen |
| 05/14/1991 | US5015354 Bipolar-electrode electrolytic cell |
| 05/14/1991 | US5015344 Ion exchange resin coated with electroconductive particles bonded by fluoropolymer |
| 05/08/1991 | EP0426649A1 Process for the stepwise electrodialysis of alkali sulfate-containing aqueous solutions and apparatus for carrying out the process |
| 05/07/1991 | WO1991006692A1 Ceramic solid electrolyte based electrochemical oxygen concentrator cell and method of fabrication |
| 05/07/1991 | US5013418 Electrolyzer |
| 05/07/1991 | US5013414 Electrode structure for an electrolytic cell and electrolytic process used therein |
| 05/07/1991 | CA2073052A1 Ceramic solid electrolyte based electrochemical oxygen concentrator cell and method of fabrication |
| 05/02/1991 | EP0424727A1 Method for producing nitrogen trifluoride |
| 04/30/1991 | US5010960 Method of tilling with improved draft connection |
| 04/30/1991 | CA1283625C Multicompartment cell with inner membrane tubes and end closures |
| 04/30/1991 | CA1283624C Process for electrolysis of sulfate-containing brine |
| 04/17/1991 | EP0422994A1 Apparatus for the production by electrolysis of water of a hydrogen-oxygen gaseous mixture used for feeding an ionisation flame |
| 04/17/1991 | CN2075208U Blackout device for dielectric solution |
| 04/10/1991 | CN1012321B Process for electrolytytic oxidation and apparatus for carrying out the same |
| 04/09/1991 | US5006215 Squeezer apparatus |
| 04/09/1991 | CA1282733C Electrolytic cell with solid polymer electrolyte diaphragm and porous electrode catalyst |
| 04/03/1991 | EP0420311A1 Preparation of quaternary ammonium hydroxides |
| 04/02/1991 | US5004526 Cascading liquid phases; efficiency |
| 03/27/1991 | EP0419052A1 Electrolytic generation of chlorine |
| 03/26/1991 | CA1282032C Process for preparing diaphragm-deposited activated cathodes |
| 03/20/1991 | CN1050058A Multi-rotating disk electrode and solid polymer electrolyte electrode type electrolytic bath |
| 03/20/1991 | CN1050057A Process for preparing para-aminophenol |
| 03/19/1991 | CA1281680C Electrolytic cell with electrode material in a non-conducting pipe |
| 03/14/1991 | DE4003004A1 Prepn. of P-aminophenol from nitrobenzene - by electrolysis in sulphuric acid soln. without solvent using solid-polymer-electrolyte electrode and rotating disc electrodes |
| 03/13/1991 | CN1049875A Frame unit for electrolyser of filter-press type and monopolar electrolyser of filter-press type |
| 03/12/1991 | US4998709 Connector for graphite electrodes made by extrusion blending |
| 03/07/1991 | DE4024600A1 Electrochemical prepn. of organo:silicon cpds. |
| 03/06/1991 | EP0415896A1 Electrode for electrolysis |
| 02/26/1991 | CA1280716C2 Ion exchange membrane with non-electrode layer for electrolytic processes |
| 02/26/1991 | CA1280714C Electrolytic cell module |
| 02/20/1991 | CN1049385A Improved diaphragms containing asbestos fibres, jointers for jointing cathode elements to diaphragms, and process for obtaining diaphragms and jointers |
| 02/20/1991 | CN1049384A Diaphragm, assembly of diaphragm and cathode element, and process for manufacturing them |
| 02/13/1991 | EP0412917A1 Diaphragm, association of such a diaphragm with a cathodic element and their process of manufacture |
| 02/13/1991 | EP0412916A1 Diaphragm comprising asbestos fibres, association of such a diaphragm with a cathodic element and process of manufacture |
| 02/13/1991 | EP0412600A1 Frame for electrolyzer of the filterpress type and monopolar electrolyzer of the filterpress type |
| 02/12/1991 | US4992156 Submerged electrolytic cell wired in existing water circulation piping |
| 02/12/1991 | US4992126 Method for making a current collector bonded to a solid polymer membrane |
| 02/12/1991 | CA1280087C Electrolyser for highly-active tritiated water |
| 02/11/1991 | CA2023031A1 Asbestos fiber diaphragm improvement method, association of said diaphragm with a cathodic element, and method of production therefor |
| 02/06/1991 | CN1049034A Squeezer apparatus and method |
| 02/04/1991 | CA2022184A1 Electrochemical synthesis of organosilicon compounds |
| 01/30/1991 | EP0410478A2 Laminating press |
| 01/28/1991 | CA2021755A1 Squeezer apparatus and method |
| 01/23/1991 | CN2069863U Chlorine dioxide codisinfectant generator |
| 01/23/1991 | CN1048732A 电极 Electrode |
| 01/08/1991 | CA1278774C Electrolysis system for the production of peroxy compounds |
| 01/01/1991 | US4981763 Electrochemical single battery and method for producing the same |
| 01/01/1991 | US4981563 Electrolysis cell and method of producing chlorine |
| 12/24/1990 | WO1991000379A1 Electrolytic cell for electrolytic processes in which gas is evolved |
| 12/24/1990 | CA2062739A1 Electrolysis cell for gas-producing electrolytic processes |
| 12/19/1990 | EP0402909A1 Gaskets for filter press type cells |
| 12/19/1990 | CN1047893A Electrode structure for electrolytic cell |
| 12/18/1990 | US4978438 Electrolytic cell |
| 12/14/1990 | CA2018857A1 Gaskets for filter press type cells |
| 12/12/1990 | CA2005641A1 Methods and systems for generating and collecting fusion fuel material |
| 12/11/1990 | US4976842 Oxidant generator |
| 12/05/1990 | EP0400712A1 Frame for electrolyzer of the filter-press type and electrolyzers of the filter-press type |
| 12/05/1990 | EP0400326A2 Diaphragm cord |
| 12/04/1990 | US4975172 Ionomeric polymers with ionomer membrane in pressure tolerant gas diffusion electrodes |
| 12/04/1990 | US4975171 Bipolar electrolytic cell |
| 11/29/1990 | CA2017496A1 Frame for filter-press type electrolyzes and such an electrolyzes |
| 11/14/1990 | EP0397114A1 Preventing crevice corrosion of titanium surfaces |
| 11/13/1990 | US4969982 Method for producing an alkali metal hydroxide and electrolytic cell useful for the method |
| 11/13/1990 | US4969981 Cell and method of operating a liquid-gas electrochemical cell |
| 11/07/1990 | EP0396252A1 Electrolytic regeneration of alkaline permanganate etching bath |
| 11/07/1990 | CN1046724A Electrolytic cell of removing fluorine-containing impurity in water |
| 11/05/1990 | CA2013123A1 Electrolytic regeneration of alkaline permanganate etching bath |
| 11/01/1990 | WO1990012903A1 Electrode structure for an electrolytic cell |
| 10/29/1990 | WO1990013593A1 A composite, porous diaphragm |
| 10/29/1990 | CA2049327A1 Composite, porous diaphragm |
| 10/16/1990 | US4963241 Electrolytic cell with recirculation means |
| 10/16/1990 | US4963235 Process for treating electrolytic cell products |
| 10/09/1990 | CA1275070A1 Monopolar and bipolar electrolyzer and electrodic structure thereof |
| 10/03/1990 | EP0390158A2 Electrolysis cell and method of use |
| 10/03/1990 | EP0390157A2 Electrolysis cell and method of use |
| 09/26/1990 | EP0389467A1 Self-supporting container, in particular for use as electrolysis cell |
| 09/25/1990 | US4959132 Preparing in situ electrocatalytic films in solid polymer electrolyte membranes, composite microelectrode structures produced thereby and chloralkali process utilizing the same |
| 09/25/1990 | US4959131 Gas phase CO2 reduction to hydrocarbons at solid polymer electrolyte cells |
| 09/20/1990 | WO1990010734A1 A submerged electrolytic cell pool purifier |
| 09/19/1990 | EP0387687A1 Process and apparatus for regulating the interpolar distance to compensate the anode burning up in electrolysis cells |