| Patents for C25B 13 - Diaphragms; Spacing elements (2,681) |
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| 09/06/1983 | US4402814 Method of depositing an asbestos diaphragm and the diaphragm prepared thereby |
| 09/06/1983 | US4402806 Semipermeability |
| 09/06/1983 | US4402785 Apparatus for making a web-supported membrane |
| 08/31/1983 | EP0087170A2 Dialkyl-perfluoro-omega-fluoroformyl diesters and monomers and polymers therefrom |
| 08/30/1983 | US4401711 Fluorinated polymers with pendant sulfonyl halide and carboxy groups |
| 08/24/1983 | EP0086596A1 Production of ion-exchange membrane |
| 08/24/1983 | EP0086595A1 Installation of ion-exchange membrane in electrolytic cell |
| 08/17/1983 | EP0086146A1 Electrolytic cell diaphragm and its process of manufacture |
| 08/16/1983 | US4399183 Web-supported membrane |
| 08/16/1983 | US4399009 Fluoropolymer diaphragm |
| 08/09/1983 | CA1151668A1 Synthesis of water soluble cross-linkers and their use in the manufacture of anionic polymers |
| 08/02/1983 | US4396689 Separator-spacer for electrochemical systems |
| 08/02/1983 | US4396480 Fuel cells; gas flow |
| 08/02/1983 | CA1151110A1 Process for electrolyzing alkali metal chloride |
| 08/02/1983 | CA1151109A1 Cation exchange membrane of fluorinated polymer with carboxylic acid groups |
| 07/21/1983 | WO1983002462A1 Coextruded multilayer cation exchange membranes |
| 07/19/1983 | US4394244 Diaphragms for alkaline water electrolysis and method for production of the same as well as utilization thereof |
| 06/29/1983 | EP0082166A1 Crosslinked fluoropolymer ion exchange resin |
| 06/21/1983 | US4389494 Process for producing a membrane for electrolysis by forming removable thin layer upon electrode |
| 06/21/1983 | CA1148566A1 Fluorinated copolymer and preparation thereof |
| 06/15/1983 | EP0081251A1 Narrow gap electrolysis cells |
| 06/07/1983 | US4386987 Partially solatated perfluorocarbon copolymer |
| 05/24/1983 | US4384941 A graft fluorovinylsulfonic acid copolymer ion exchange resin |
| 05/18/1983 | EP0079218A1 Method and materials for repairing electrolytic cell membranes |
| 05/18/1983 | EP0079157A2 Process for esterifying fluorinated carboxylic acid polymer |
| 05/18/1983 | EP0078901A1 Process for producing a diaphragm for electrolytic cells |
| 05/16/1983 | EP0069772A4 Sacrificial reinforcement in cation exchange membrane. |
| 05/11/1983 | WO1983001630A1 Narrow gap electrolysis cells |
| 05/11/1983 | WO1983001597A1 Cation exchange membrane with high equivalent weight component |
| 05/03/1983 | US4381985 With capillaries from film material such as polyvinyl chloride, polyethylene, polypropylene, a polyester or polyurethane |
| 04/27/1983 | EP0077687A1 Membrane assembly, electrochemical cell, and electrolysis process |
| 04/26/1983 | US4381230 Operation and regeneration of permselective ion-exchange membranes in brine electrolysis cells |
| 04/26/1983 | CA1145236A1 Process for fusion bonding of fluorocarbon type polymers |
| 04/19/1983 | US4380521 Method to produce a polytetra-fluoroethylene diaphragm |
| 04/19/1983 | CA1144893A1 Composite diaphragms |
| 04/18/1983 | EP0065547A4 Permselective fluoropolymeric membrane and method of its production. |
| 04/12/1983 | CA1144692A1 Hydrophilic fluoropolymers |
| 04/12/1983 | CA1144520A1 Bonding of fibers for diaphragms in electrolytic cells |
| 03/30/1983 | EP0074963A1 Constructive elements of electrolysis cells |
| 03/22/1983 | CA1143115A1 Method of preparing a membrane consisting of polyantimonic acid powder and an organic binder |
| 03/08/1983 | US4376140 Method for producing a fluorinated copolymer membrane |
| 03/08/1983 | US4376030 Amine salt formation |
| 02/22/1983 | CA1141705A1 Diaphragm having zirconium oxide and a hydrophilic fluorocarbon resin in a hydrophobic matrix |
| 02/17/1983 | WO1983000487A1 Cation exchange resin by graft polymerization process |
| 02/15/1983 | CA1141333A1 Method and apparatus for installation of a membrane to an electrolytic cell |
| 02/01/1983 | US4371564 Production of porous diaphragm for electrolytic cell |
| 01/26/1983 | EP0070635A2 Beta-substituted polyfluoropropionate salts and derivatives |
| 01/20/1983 | WO1983000157A1 Crosslinked fluoropolymer ion exchange resin |
| 01/19/1983 | EP0069940A2 Electrolytic cell |
| 01/19/1983 | EP0069772A1 Sacrificial reinforcement in cation exchange membrane. |
| 01/18/1983 | CA1139510A1 Method of preparing a diaphragm having a gel of a hydrous oxide of zirconium in a porous matrix |
| 01/12/1983 | EP0069516A1 Porous thermoresin structures |
| 01/12/1983 | EP0069504A2 Improved operation and regeneration of permselective ion-exchange membrane in brine electrolysis cells |
| 01/06/1983 | WO1983000052A1 Improved operation and regeneration of permselective ion-exchange membranes in brine electrolysis cells |
| 01/05/1983 | EP0068444A2 Solid polymer electrolytes and electrode bonded with hydrophyllic fluorocopolymers |
| 01/05/1983 | EP0068226A1 Diaphragm for water electrolysis |
| 01/05/1983 | EP0068049A1 Membrane support assembly for electrolytic cell and method of making same |
| 01/04/1983 | US4367270 Gas-tight, impregnation, extrusion |
| 01/04/1983 | US4367126 Process for producing alkali metal hydroxide |
| 12/28/1982 | US4366041 Using a protective film of wax, polyvinyl alcohol or a laquer |
| 12/15/1982 | EP0066938A2 Separator-spacer, electrode, and use thereof in electrochemical systems |
| 12/08/1982 | EP0066102A1 Ion exchange membrane cell and electrolysis with use thereof |
| 12/08/1982 | EP0066101A1 Ion exchange membrane cell and electrolysis with use thereof |
| 12/07/1982 | CA1137027A1 Cation exchange membrane |
| 12/07/1982 | CA1137026A1 Process for installing synthetic fiber diaphragms in chlor-alkali cell |
| 12/07/1982 | CA1137024A1 Method and apparatus for controlling anode ph in membrane chlor-alkali cells |
| 12/01/1982 | EP0065547A1 Permselective fluoropolymeric membrane and method of its production. |
| 11/30/1982 | US4361475 Membrane block construction and electrochemical cell |
| 11/23/1982 | US4360412 Treatment of permionic membrane |
| 11/10/1982 | EP0064389A1 Composite membrane/electrode, electrochemical cell and electrolysis process |
| 11/10/1982 | EP0064324A1 Cladding cathodes of electrolytic cell with diaphragm or membrane |
| 11/09/1982 | US4358545 Sulfonic acid electrolytic cell having flourinated polymer membrane with hydration product less than 22,000 |
| 11/02/1982 | US4357218 Cation exchange membrane and use thereof in the electrolysis of sodium chloride |
| 11/02/1982 | CA1134993A1 Process for preparing fluorine-containing polymers having carboxyl groups |
| 11/02/1982 | CA1134780A1 Anode elements for monopolar filter press electrolysis cell |
| 10/26/1982 | US4356231 Porous oxide diaphragm for alkaline electrolyses, and manufacture thereof |
| 10/19/1982 | US4354900 Strengthened fiberous electrochemical cell diaphragm and a method for making |
| 10/12/1982 | CA1133425A1 Fluorinated ion exchange polymer containing carboxylic groups, and film and membrane thereof |
| 10/06/1982 | EP0061594A2 Ion exchange membrane and electrolytic cell using said membrane |
| 09/30/1982 | WO1982003231A1 Constructive elements of electrolysis cells |
| 09/29/1982 | EP0061236A1 Cladding cathodes of electrolytic cell with diaphragm or membrane |
| 09/29/1982 | EP0061080A1 Ion exchange membrane electrolytic cell |
| 09/21/1982 | CA1132097A1 Electrolyte cell membrane of polyantimonic acid and organic binder |
| 09/15/1982 | EP0060127A2 Ion transfer membrane assembly, a method of constructing such an assembly and an electrochemical cell |
| 09/14/1982 | US4349422 Electrolysis process |
| 09/08/1982 | EP0059522A1 A method of stabilizing the dimensions of fluorpolymer membranes containing sulfonate and/or carboxylate functional groups for use in electrolytic cells and membranes prepared in accordance with this method |
| 09/07/1982 | CA1131175A1 Chlorotrifluoroethylene containing polymer diaphragm |
| 09/07/1982 | CA1131174A1 Diaphragms for chlor-alkali cells |
| 08/31/1982 | CA1130515A1 Cationic membranes |
| 08/17/1982 | CA1129812A1 Diaphragms for use in the electrolysis of alkali metal chlorides |
| 08/10/1982 | US4343690 Novel electrolysis cell |
| 08/05/1982 | WO1982002564A1 Sacrificial reinforcement in cation exchange membrane |
| 08/04/1982 | EP0057065A2 Production of cation permselective membrane and electrolytic cell containing said membrane |
| 08/03/1982 | US4342636 Working polytetrafluoroethylene particles, a metal salt and a lubricant; evaporation, sintering, removal x-ray diffraction |
| 07/27/1982 | US4341615 A fluoropolymer base with a copolymer of an unsaturated carboxylic acid and an unsaturated compound in pores |
| 07/27/1982 | US4341614 Fluoropolymer, converting starch to dextrin |
| 07/27/1982 | US4341605 Process for cation permeable membrane with reinforcement fabric embedded therein and product thereof |
| 07/27/1982 | US4341596 Method of preparing reinforced asbestos diaphragms for chlorine-caustic cells |
| 07/27/1982 | CA1128264A1 Method of preparing a resin-containing asbestos diaphragm |
| 07/20/1982 | US4340680 Cation exchange membrane of fluorinated polymer for an electrolysis |