| Patents for C25B 13 - Diaphragms; Spacing elements (2,681) |
|---|
| 02/12/1980 | US4188469 Diaphragms for chlor-alkali cells |
| 02/12/1980 | CA1071571A2 Fluorinated ion exchange membrane containing n-monosubstituted sulfonamido groups |
| 02/12/1980 | CA1071570A1 Prevention of metallic salt build-up in permselective membranes |
| 02/06/1980 | EP0007674A1 Method of elektrolysis of an aqueous alkali metal chloride solution in a diaphragm cell |
| 02/05/1980 | CA1071143A2 Diaphragm for an electrolytic cell |
| 01/29/1980 | US4186084 Hydrophilic fluoropolymers |
| 01/29/1980 | US4186076 Composite diaphragms |
| 01/29/1980 | US4186065 Method of preparing a resin-containing asbestos diaphragm |
| 01/23/1980 | EP0006875A1 Mass-transfer membrane and processes using same |
| 01/22/1980 | US4184939 Diaphragms for use in the electrolysis of alkali metal chlorides |
| 01/15/1980 | US4183793 Chlorotrifluoroehtylene polymer diaphragm |
| 01/01/1980 | US4181592 Converting a diaphragm electrolytic cell to a membrane electrolytic cell |
| 12/25/1979 | US4180639 Heat and chemical resistant elastomers |
| 12/25/1979 | US4180449 Pyrolysis of organic titanate |
| 11/20/1979 | US4175023 Combined cathode and diaphragm unit for electrolytic cells |
| 11/20/1979 | CA1066665A1 Reinforced cation permeable separator |
| 11/13/1979 | US4174426 Method of improving characteristic of cation-exchange membrane by swelling in water miscible organic solvent and treating further with hydrochloric acid |
| 11/13/1979 | US4174259 Electrolytic cell structure and method of assembly |
| 11/06/1979 | US4173526 Chlor-alkali cell diaphragm and its treatment |
| 10/30/1979 | US4172931 Welding of membranes of fluorinated polymers |
| 10/30/1979 | US4172774 Membranes |
| 10/30/1979 | CA1065276A1 Diaphragm electrolytic cell |
| 10/09/1979 | US4170540 Method for forming microporous membrane materials |
| 10/09/1979 | US4170539 Diaphragm having zirconium oxide and a hydrophilic fluorocarbon resin in a hydrophobic matrix |
| 10/09/1979 | US4170538 Diaphragm having zirconium and magnesium compounds in a porous matrix |
| 10/09/1979 | US4170537 Hydrolysis of zirconium oxychloride |
| 10/09/1979 | US4170535 Membrane securing device |
| 10/02/1979 | US4169774 Method of treating asbestos diaphragms for electrolytic cells |
| 09/25/1979 | US4169024 Process for electrolytically producing chlorine in a cell having a diaphragm comprising hydrophilic fluoropolymers |
| 09/25/1979 | CA1063038A1 Inverted osmotic action-core heating of tubular membrane |
| 09/19/1979 | EP0004237A1 Ion exchange membranes; their preparation and their use in the electrolysis of sodium chloride |
| 09/19/1979 | EP0004029A1 An anion permeable, fluid impervious membrane, process for its preparation, electrolysis cell comprising said membrane and an electrolytic process using said membrane |
| 09/18/1979 | US4168221 Diaphragms for use in the electrolysis of alkali metal chlorides |
| 09/18/1979 | US4168216 Heat-treated fluorocarbon sulfonamide cation exchange membrane and process therefor |
| 09/18/1979 | CA1062660A1 Electrode assembly for diaphragm cells |
| 09/18/1979 | CA1062413A1 Polycarbonate membranes and production thereof |
| 09/11/1979 | US4167469 Diaphragms for use in the electrolysis of alkali metal chlorides |
| 09/05/1979 | EP0003851A2 A porous, electrolyte-permeable diaphragm, electrolytic cell comprising said diaphragm, use of said electrolytic cell and process for the preparation of said diaphragm |
| 09/04/1979 | US4166785 Diaphragms for use in the electrolysis of alkali metal chlorides |
| 08/21/1979 | US4165272 Synthetic separator |
| 08/21/1979 | US4165271 Fabric impregnated with silica-containing component and having a non-continuous metallic coating on one side |
| 08/14/1979 | US4164463 Hydrophilic fluoropolymers |
| 08/14/1979 | CA1060286A1 Porous diaphragms |
| 08/07/1979 | US4163714 Separating substances with pressure-driven affinity sorption membranes |
| 08/07/1979 | CA1059942A1 Process and apparatus for electrolysis |
| 07/17/1979 | CA1058559A1 Sheet-like diaphragms for convoluted shape cathodes |
| 07/17/1979 | CA1058556A1 Process and apparatus for electrolysis |
| 07/11/1979 | EP0002894A2 A method of joining together of a sheet or sheets of a non melt-processable organic polymer |
| 07/11/1979 | EP0002705A1 A membrane securing device |
| 07/03/1979 | CA1057699A1 Dimensionally stable asbestos diaphragms |
| 05/29/1979 | US4156639 Diaphragm cells |
| 05/15/1979 | US4154909 Process for producing cation exchange membrane by treatment of fluorinated polymer containing sulfonyl halide groups with amine and vinyl monomer |
| 05/15/1979 | US4154666 Method of making fiber diaphragms |
| 05/08/1979 | US4153661 Method of making polytetrafluoroethylene composite sheet |
| 05/08/1979 | US4153530 Diaphragm cells |
| 05/08/1979 | US4153520 Method for the electrolytic production of chlorine from brine |
| 05/02/1979 | EP0001664A1 Process for manufacturing a permeable diaphragm for an electrolytic cell |
| 05/01/1979 | US4152225 Electrolytic cell having membrane enclosed anodes |
| 05/01/1979 | CA1053417A1 Separation process |
| 04/17/1979 | CA1052858A1 Trifluorostyrene sulfonic acid membranes |
| 04/10/1979 | CA1052322A1 Composite cation exchange membrane and use thereof in electrolysis of an alkali metal halide |
| 04/03/1979 | US4147745 Process for producing semipermeable membranes |
| 04/03/1979 | US4147622 Process for manufacturing membranes for osmotic separation |
| 04/03/1979 | US4147599 Production of alkali metal carbonates in a cell having a carboxyl membrane |
| 03/27/1979 | US4146457 Flexible insulating support |
| 03/06/1979 | US4142951 Fluoropolymer as binder for chrysotile and crocidolite asbestos mixture |
| 02/27/1979 | US4141838 Dialysis membrane, especially for hemodialysis, and method for producing same |
| 02/13/1979 | CA1048697A1 High normality ion exchange membranes and method of production |
| 02/13/1979 | CA1048249A1 Apparatus and method for securing a fabricated diaphragm to electrodes in an electrolytic cell |
| 02/08/1979 | WO1979000040A1 Mass-transfer membrane and processes using same |
| 02/06/1979 | US4138314 Shearing |
| 01/30/1979 | US4137145 Separating web for electrolytic apparatuses |
| 01/30/1979 | CA1047673A1 Composite diaphragm material comprising halogenated and sulfonated styrene divinyl benzene copolymer |
| 01/30/1979 | CA1047441A1 Silicate treated asbestos diaphragms for electrolytic cells |
| 01/23/1979 | US4136237 Process for preparing cation-exchange membrane by polymerizing lactone ring containing unsaturated monomer in the presence of fluorinated polymer |
| 01/23/1979 | US4135996 Selective diaphragm for electrolysis |
| 01/23/1979 | CA1046724A1 Porous diaphragms |
| 01/16/1979 | CA1046457A1 Electrolytic diaphragms, and method of electrolysis using the same |
| 01/16/1979 | CA1046217A1 Porous diaphragms |
| 01/02/1979 | US4132682 Process for preparing cation-exchange membrane |
| 12/12/1978 | CA1043971A1 Asbestos based mat obtained through dry mixing with a charge and ultimately with a latex prior to forming |
| 12/05/1978 | CA1043521A1 Process for the manufacture of a microporous menbrane made of dried, pulverized paste |
| 11/21/1978 | US4126589 Fluorocarbon polymer membrane having pendant sulfonamide groups is treated with anion radicals and hydrolyzed |
| 11/21/1978 | US4126536 Diaphragms for chlor-alkali cells |
| 11/21/1978 | US4126535 Chlor-alkali electrolysis cell |
| 11/14/1978 | US4125451 Diaphragms from discrete thermoplastic fibers requiring no bonding or cementing |
| 11/14/1978 | US4125450 Inorganic fibers and water-soluble polyelectrolyte |
| 11/14/1978 | CA1042192A1 Multiple filter press diaphragm former |
| 11/07/1978 | US4124458 Mass-transfer membrane and processes using same |
| 10/10/1978 | US4119503 For electrolytic cells, oxides of antimony, bismuth, molybdenum or vanadium and of zirconium, niobium, tantalum or titanium |
| 10/03/1978 | US4118308 Fluorocarbon resin with cation exchange properties, alkaline solution of an alkali metal chloride passed therethrough |
| 09/26/1978 | US4116890 Phosphonated fluorotelomers |
| 09/19/1978 | US4115237 Electrolytic cell having membrane enclosed anodes |
| 09/05/1978 | US4112149 Converting a diaphragm electrolytic cell to a membrane electrolytic cell |
| 09/05/1978 | US4111866 Method of making a chemical-resistant diaphragm thereof |
| 09/05/1978 | US4111780 Apparatus and process for the electrolytic treatment of alkali metal halide solution with ion exchange membranes |
| 09/05/1978 | CA1037671A1 Electrolysis cell diaphragms and process for producing the same |
| 08/29/1978 | US4110191 Separator-electrode unit for electrolytic cells |
| 08/29/1978 | US4110153 Method of forming a microporous diaphragm |
| 08/22/1978 | CA1036975A1 Producing alkali metal hydroxide using fluorinated copolymer resin membrane |