| Patents for C25B 13 - Diaphragms; Spacing elements (2,681) |
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| 03/05/1985 | US4502931 Process for the production of ion exchange membranes with coating for electrolysis |
| 02/26/1985 | CA1182960A1 Method for making a porous thermoresin structure |
| 02/19/1985 | CA1182777A1 Production of alkali metal hydroxide in a cell with a membrane carrying carboxylic acid groups and including metal |
| 02/12/1985 | US4498961 Method of electrolyzing brine with stable low voltage microporous diaphragm in electrolytic cells |
| 02/12/1985 | CA1182257A1 Diaphragm, its preparation and its use in a electrolytic process |
| 01/23/1985 | EP0131724A2 Woven diaphragm for aqueous electrolytes |
| 01/22/1985 | US4495078 Solid proton conductors and their use |
| 01/15/1985 | US4493759 Electrolytic cell |
| 01/08/1985 | CA1180849A1 Sulfonic acid electrolytic cell membranes |
| 01/08/1985 | CA1180520A1 Process for the production of a cation exchange diaphragm and the diaphragm obtained by this process |
| 12/27/1984 | CA1179974A Polymeric microporous separators for use in electrolytic processes and devices |
| 12/25/1984 | US4490484 Membrane assembly, electrochemical cell, and electrolysis process using perfluorinated sandwich type membrane |
| 12/18/1984 | US4489025 Preparation of dimensionally stable asbestos diaphragms |
| 12/18/1984 | CA1179635A1 Technique of prestressing semi-permeable membranes |
| 12/04/1984 | US4486277 Electrolytic cation exchange membrane |
| 12/04/1984 | CA1178926A1 Heat-treated fluorocarbon sulfonamide cation exchange membrane |
| 11/28/1984 | EP0126490A1 Diaphragm based on nickel oxide and process for its manufacture |
| 11/13/1984 | US4482441 Magnesium oxide particles |
| 11/13/1984 | CA1177783A1 Fluorinated reinforced polymer membrane with sulfonyl and/or carboxyl groups |
| 11/06/1984 | US4481306 Cation exchange membranes for electrolytic cells |
| 10/31/1984 | EP0123261A2 Process for electrochemically separating ion mixtures |
| 10/23/1984 | US4478680 Method for treating electrolytic diaphragm |
| 10/17/1984 | EP0122049A2 Unreinforced membrane, electrochemical cell, and electrolysis process |
| 10/16/1984 | US4477321 Sacrificial reinforcements in cation exchange membrane |
| 10/09/1984 | US4475985 Process for the production of a diaphragm for electrolytic cells |
| 10/09/1984 | CA1175781A1 Forming fluorinated ion exchange polymer on removable thin layer over perforated electrode |
| 10/03/1984 | EP0120212A1 Process for producing an electrically conductive layer on a solid electrolyte surface, and electrically conductive layer |
| 10/02/1984 | US4474700 β-Substituted polyfluoropropionate salts and derivatives |
| 10/02/1984 | US4474615 Diaphragm for electrolysis and method for production thereof |
| 09/19/1984 | EP0119080A2 Reinforced membrane, electrochemical cell, and electrolysis process |
| 09/18/1984 | CA1174729A1 Electrochemical construction |
| 09/18/1984 | CA1174638A1 Cation-exchange membrane for electrolyzing alkali metal halide |
| 09/11/1984 | US4470889 Electrolytic cell having an improved ion exchange membrane and process for operating |
| 09/05/1984 | EP0117841A2 Modified liquid permeable asbestos diaphragms with improved dimensional stability |
| 09/04/1984 | US4469579 Solid polymer electrolytes and electrode bonded with hydrophylic fluorocopolymers |
| 09/04/1984 | CA1173789A1 Diaphragms for use in the electrolysis of alkali metal chlorides |
| 09/04/1984 | CA1173788A1 Method of depositing an asbestos diaphragm and the diaphragm prepared thereby |
| 08/28/1984 | US4468360 Preparing porous diaphragms for electrolytic cells having non-uniform hydrophobicity |
| 08/28/1984 | US4468311 Generating halogen, nickel mat, graphite paper between mat and diaphragm |
| 08/28/1984 | US4468301 Ion exchange membrane cell and electrolytic process using thereof |
| 08/28/1984 | CA1173403A1 Electrolysis of chloride with fluorine polymer membrane with carboxylic acid groups |
| 08/21/1984 | CA1173105A1 Solid polymer electrolytes and electrode bonded with hydrophyllic fluorocopolymers |
| 08/14/1984 | CA1172604A1 Electrolysis cell with intermediate chamber for electrolyte flow |
| 08/07/1984 | US4464238 Porous separators for electrolytic processes |
| 07/24/1984 | US4461682 Anode and cathode partitioned by ion exchange membrane with roughened surface |
| 07/24/1984 | CA1171385A1 Cation exchange membrane of flurorinated polymer for an electrolysis |
| 06/26/1984 | CA1169814A1 Strengthened fiberous electrochemical cell diaphragm and a method for making |
| 06/26/1984 | CA1169811A1 Membrane support assembly for electrolytic cell and method of making same |
| 06/19/1984 | US4455210 Multi layer ion exchanging membrane with protected interior hydroxyl ion rejection layer |
| 06/12/1984 | US4454247 Perfluorovinyl ether copolymers |
| 06/12/1984 | CA1169018A1 Method of and apparatus for separating the gases generated during a fusion electrolysis |
| 06/05/1984 | EP0097646A4 Coextruded multilayer cation exchange membranes. |
| 05/08/1984 | US4447566 Fluoropolymers reinforced with fibers |
| 05/01/1984 | CA1166599A1 Electrolyzing chloride solution in cell with ion exchange membrane having inorganic particle layer |
| 04/24/1984 | US4444640 Dimensionally stable asbestos-polytetrafluoroethylene diaphragms for chloralkali electrolytic cells |
| 04/17/1984 | US4443316 Electrolysis cell with intermediate chamber for electrolyte flow |
| 04/17/1984 | CA1165727A1 Electrolytic cell for ion exchange membrane method |
| 04/10/1984 | CA1165277A2 Process for electrolysis of sodium chloride |
| 04/10/1984 | CA1165276A1 Electrolysis diaphragm, and its production |
| 04/10/1984 | CA1165066A1 Cation exchange membrane of a fluorocarbon polymer and a process for preparing the same |
| 04/03/1984 | US4440917 Copolymers with perfluorinated monoolefins-used as membranes in electrolytic cells |
| 03/27/1984 | US4439296 Method for repairing perfluorinated polymeric microporous electrolytic cell separators by heat sealing |
| 03/20/1984 | US4437952 Coextruded multilayer cation exchange membranes |
| 03/20/1984 | US4437951 Ion exchange resins |
| 03/20/1984 | CA1163955A1 Production of porous diaphragm for electrolytic cell |
| 02/28/1984 | US4434116 Method for making a porous fluorinated polymer structure |
| 02/21/1984 | US4432860 Porous diaphragm for electrolytic cell |
| 02/21/1984 | US4432859 Fluoropolymer woven fabric; wettability |
| 02/21/1984 | US4432857 Cladding cathodes of electrolytic cell with diaphragm or membrane |
| 02/21/1984 | CA1162604A1 Asbestos diaphragms for electrochemical cells and the manufacture thereof |
| 02/14/1984 | US4431504 Cation-exchange membrane for electrolyzing alkali metal halide |
| 01/31/1984 | US4428813 Heat sealing the projected ends of separators with radio frequency |
| 01/31/1984 | CA1161393A1 Electrolytic process for potassium hydroxide |
| 01/18/1984 | EP0098518A2 Porous corrosion-resistant separators consisting of metallic screens coated by ceramic oxides |
| 01/17/1984 | US4426272 Electrolytic cell vermiculite diaphragms |
| 01/11/1984 | EP0097646A1 Coextruded multilayer cation exchange membranes. |
| 12/28/1983 | EP0096991A1 Porous diaphragm for electrolytic cell |
| 12/27/1983 | US4423157 Multilayer, with sulfonic and carboxylic acid groups |
| 12/27/1983 | CA1159393A1 Cation exchange membranes |
| 12/27/1983 | CA1159392A1 Cation exchange membranes |
| 12/27/1983 | CA1159391A1 Thermoplastic polymer electrolysis diaphragm impregnated with siliceous composition |
| 12/20/1983 | US4421579 Method of making solid polymer electrolytes and electrode bonded with hydrophyllic fluorocopolymers |
| 12/20/1983 | CA1159017A1 Method for sealing jointing part in vertical cell for alkali metal chloride electrolysis |
| 12/20/1983 | CA1159016A1 Cladding cathode of electrolytic cell with diaphragm or membrane |
| 11/23/1983 | EP0094772A2 Electrolytic cell and gasket for electrolytic cell |
| 11/23/1983 | EP0094679A2 Process for producing an ion exchange membrane |
| 11/23/1983 | EP0094587A1 Improved electrolytic cation exchange membrane |
| 11/22/1983 | US4416757 Coated thermoplastic polymer diaphragms and a method for their preparation |
| 11/15/1983 | US4415679 Process for esterifying fluorinated carboxylic acid polymer |
| 11/09/1983 | EP0093435A1 Electrolytic purification and reconcentration of wash and rinse caustic solutions recovered from the regeneration of ion exchange resins |
| 11/09/1983 | EP0093114A1 Cation exchange membrane with high equivalent weight component. |
| 11/08/1983 | US4414338 Cation exchange membrane |
| 11/08/1983 | CA1156605A1 Diaphragm having zirconium and magnesium compounds in a porous matrix |
| 10/25/1983 | US4411759 For purification of swimming pools |
| 10/25/1983 | US4411749 Process for electrolyzing aqueous solution of alkali metal chloride |
| 10/25/1983 | CA1155801A2 Conductive membrane of polyfluoro-allyloxy copolymers |
| 10/18/1983 | US4410638 Diaphragm for electrolysis and process for the preparation thereof by polymerizing in fluorinated milroporous membrane |
| 10/18/1983 | US4410411 Slurry of asbestos and thermoplastic fluorine containing polymers |
| 10/11/1983 | US4409084 Electrolytic cell for ion exchange membrane method |
| 09/06/1983 | US4402816 Diaphragm structure for electrolytic cells for the electrolysis of aqueous salt solutions |