| Patents for C25B 13 - Diaphragms; Spacing elements (2,681) |
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| 07/13/1982 | US4339549 Process for fusion bonding of fluorocarbon type polymers which comprises counter-ion substitution prior to fusion bonding |
| 07/13/1982 | US4339313 Method of operating an electrolytic cell |
| 06/29/1982 | US4337141 Reinforcement, ion exchange resin, woven glass fiber fabric, folding, bulking |
| 06/29/1982 | US4337137 A two-layered fluoropolymer |
| 06/29/1982 | CA1126690A1 Method and apparatus for separating neutral molecules using a bipolar membrane as a molecular sieve |
| 06/15/1982 | US4335193 Microporous film, particularly battery separator, and method of making |
| 06/15/1982 | CA1125703A1 Electrolysis of sodium chloride |
| 06/15/1982 | CA1125702A1 Cation exchange membrane of fluorinated polymer for electrolysis and preparation thereof |
| 06/15/1982 | CA1125464A1 Membranes |
| 06/10/1982 | WO1982001882A1 Cation-exchange resins and use as membranes in electrolytic cells |
| 06/09/1982 | EP0053455A1 Preparation of a fluorocarbon cation-exchange membrane and electrolysis process using the membrane |
| 06/08/1982 | US4334082 Ion exchange resins, membranes |
| 05/25/1982 | US4331521 Novel electrolytic cell and method |
| 05/25/1982 | CA1124211A1 Diaphragms from discrete thermoplastic fibers requiring no bonding or cementing |
| 05/25/1982 | CA1124209A1 Electrode spacer element |
| 05/25/1982 | CA1124019A1 Production of porous diaphragms |
| 05/19/1982 | EP0051845A1 Electrolysis cell with an electrolyte flow-through middle chamber, and middle chamber structure therefor |
| 05/18/1982 | US4330406 Semipermeable membrane and process of making same |
| 05/18/1982 | CA1123780A1 Production of alkali metal carbonates in a cell having a carboxyl membrane |
| 05/11/1982 | US4329435 Novel fluorinated copolymer with tridihydro fluorosulfonyl fluoride pendant groups and preparation thereof |
| 05/11/1982 | US4329217 Cladding cathode of electrolytic cell with diaphragm or membrane |
| 04/28/1982 | EP0050188A1 Method of generating halogen, an electrode-membrane assembly, an electrolytic cell and a semipermeable ion-exchange membrane for said method |
| 04/27/1982 | US4326935 Concentrating hexavalent chromium by electrolysis |
| 04/27/1982 | US4326914 Suspension of potassium titanate in organic binder applied to plastic or metal screen |
| 04/27/1982 | CA1122568A1 Foraminous hollow electrode structure for electrolytic cells |
| 04/27/1982 | CA1122564A1 Method of treating asbestos diaphragms for electrolytic cells |
| 04/20/1982 | CA1122157A1 Mass-transfer membrane and processes using same |
| 04/13/1982 | US4324606 Contacting a melt fabricable fluorinated polymer with a web, applying vacuum, and heating |
| 04/07/1982 | EP0048964A2 Dialkyl perfluoro-omega-fluoroformyl diesters and process for their preparation |
| 04/06/1982 | US4323434 Process for electrolysis of alkali chloride |
| 03/31/1982 | EP0048617A1 Improved dimensionally stable asbestos-polytetrafluoroethylene diaphragms for chlor-alkali electrolytic cells |
| 03/16/1982 | CA1120004A1 Manufacturing method of an asbestos diaphragm |
| 03/16/1982 | CA1120003A1 Process for electrolysis of alkali chloride |
| 03/10/1982 | EP0047083A1 Process for electrolyzing aqueous solution of alkali metal chloride |
| 03/10/1982 | EP0047080A1 Process for electrolyzing aqueous solution of alkali metal chloride |
| 03/09/1982 | US4318785 Method of bonding cation exchange membrane of fluorinated polymer |
| 02/24/1982 | EP0046252A1 Porous oxide diaphragm for alkaline electrolysis, its manufacture and use |
| 02/23/1982 | US4316790 Cylinder with areas of different permeabilities |
| 02/23/1982 | US4316789 Cylinder with differential permeabilities |
| 02/23/1982 | US4316781 Method for electrolyzing alkali metal halide |
| 02/23/1982 | CA1118717A1 Converting a diaphragm electrolytic cell to a membrane electrolytic cell |
| 02/23/1982 | CA1118558A1 Method for forming microporous membrane material |
| 02/10/1982 | EP0045603A1 Ion exchange membrane cell and electrolytic process using the same |
| 02/09/1982 | CA1117716A1 Anionic membranes |
| 02/03/1982 | EP0045147A2 Process for producing a membrane for electrolysis |
| 02/02/1982 | CA1117474A1 Diaphragms for use in the electrolysis of alkali metal chlorides |
| 02/02/1982 | CA1117473A1 Electrolytic cell |
| 01/27/1982 | EP0044472A1 A separator electrolytic cell providing glove-shaped membranes |
| 01/20/1982 | EP0044157A1 Method of installation of membrane to electrolytic cell |
| 01/19/1982 | US4311567 Treatment of permionic membrane |
| 01/19/1982 | US4311566 Electrolyte permeable diaphragm |
| 01/05/1982 | CA1115655A1 Process for electrolysis of sodium chloride |
| 12/30/1981 | EP0042804A2 Cation-exchange membrane, process for manufacturing it and its use as solid electrolyte |
| 12/22/1981 | CA1114778A1 Method of manufacturing permeable diaphragms for electrolytic cells |
| 12/22/1981 | CA1114777A1 Sealed casing for diaphragm cell having closed end and closed sides |
| 12/16/1981 | EP0041734A1 Improved composite ion exchange membranes |
| 12/16/1981 | EP0041733A1 Improved sulfonic acid electrolytic cell membranes |
| 12/16/1981 | EP0041732A1 Electrolytic cell having an improved ion exchange membrane and process for operating |
| 12/15/1981 | CA1114114A1 Process for producing cation exchange membrane |
| 12/09/1981 | EP0041333A1 Production of porous diaphragm for electrolytic cell |
| 11/24/1981 | US4302303 Permeable diaphragm for an electrochemical cell |
| 11/24/1981 | CA1112820A1 Melt processing of fluorinated polymers |
| 11/18/1981 | EP0039897A1 Improved process for fusion bonding of fluorocarbon type polymers |
| 11/10/1981 | CA1112207A1 Membrane securing device |
| 11/04/1981 | EP0039189A1 Process for producing alkali metal hydroxide |
| 10/27/1981 | US4297196 Stable low voltage microporous diaphragm for electrolytic cells |
| 10/20/1981 | US4295952 Sulfonated styrene-divinylbenzene-vinylpyridine terpolymer ion exchange resin |
| 10/20/1981 | CA1111000A1 Separator-electrode unit for electrolytic cells |
| 10/13/1981 | US4294943 Process for preparing fluorine-containing polymers having carboxyl groups |
| 10/07/1981 | EP0037140A1 Process for electrolyzing aqueous alkali metal halide solutions using a pervious diaphragm of a hydrophobic polymeric organic material |
| 10/06/1981 | CA1110150A1 Production of sheet materials |
| 09/29/1981 | US4292146 Porous polyfluoroalkylene sheet useful for separating anolyte from catholyte in electrolytic cells |
| 09/15/1981 | US4289601 Fabrics, films, multilayer |
| 09/15/1981 | US4289600 Microporous membrane materials |
| 09/15/1981 | CA1109019A1 Chlorate cell construction |
| 08/25/1981 | CA1107684A1 Method and apparatus for installation of a membrane to an electrolytic cell |
| 08/11/1981 | US4283264 Electrolytic cell separator, tubular member component thereof and methods for manufacturing and using such separator and component |
| 08/05/1981 | EP0033262A1 Electrolysis diaphragm and method for its manufacture |
| 07/28/1981 | CA1105876A1 Voltage reduction of membrane cell for the electrolysis of brine |
| 07/14/1981 | US4278524 Diaphragms for use in the electrolysis of alkali metal chlorides |
| 07/08/1981 | EP0031724A2 Reinforced membranes, process and apparatus for making them, and use thereof as ion-exchange membranes in chlor-alkali cells or as catalysts |
| 06/30/1981 | US4276146 Halogen and alkali metal hydroxide from aqueous alkali metal halide |
| 06/23/1981 | US4275227 Synthesis of water soluble cross-linkers and their use in the manufacture of anionic polymers |
| 06/23/1981 | CA1103616A1 Diaphragms from discrete thermoplastic fibers requiring no bonding or cementing |
| 06/16/1981 | CA1102971A1 Method of improving characteristic of cation-exchange membrane |
| 06/09/1981 | US4272560 Method of depositing cation exchange membrane on a foraminous cathode |
| 06/09/1981 | US4272378 Semipermeable membrane |
| 06/03/1981 | EP0029520A1 Method for the separation of gases developed by a fusion electrolysis, and fusion electrolysis apparatus |
| 06/02/1981 | US4270996 Cation exchange membrane of fluorinated polymer for electrolysis and electrolysis using the membrane |
| 05/26/1981 | CA1101622A1 Method of bonding cation exchange membrane of fluorinated polymer |
| 05/19/1981 | US4268373 Method and apparatus for installation of a membrane to an electrolytic cell |
| 05/19/1981 | US4268372 Method and apparatus for installing a membrane to an electrolytic cell |
| 05/05/1981 | CA1100435A1 Electrolysis using membrane of fluorocarbon polymer with pendant carboxylic acid groups |
| 04/21/1981 | US4263121 Applying adhesive to edges, heat sealing; for electrolytic cells |
| 04/21/1981 | US4263119 Anode elements for monopolar filter press electrolysis cells |
| 04/08/1981 | EP0026362A2 Asbestos diaphragms for electrochemical cells and their manufacture |
| 04/07/1981 | US4260453 Polymer-bonded crocidolite asbestos diaphragms and method for forming same |
| 04/01/1981 | EP0025930A2 Diaphragms for electrochemical cells and their manufacture |
| 03/25/1981 | EP0025644A1 Fluorinated polymer cation exchange membrane for electrolysis, process for its preparation and process for electrolysing an aqueous solution of an alkali metal chloride |
| 03/24/1981 | US4258081 Thermoplastic impregnating fabric covered electrodes |