| Patents for C25B 13 - Diaphragms; Spacing elements (2,681) |
|---|
| 03/24/1981 | CA1098078A1 Diaphragm cells |
| 03/10/1981 | US4255523 Cation exchange membrane of fluorinated polymer for electrolysis and preparation thereof |
| 03/03/1981 | US4254030 Fluorosulphonyl oxafluoroalkanes fluorosulphonyl olefines and processes for their preparation |
| 03/03/1981 | US4253936 Method of preparing a membrane consisting of polyantimonic acid powder and an organic binder |
| 03/03/1981 | US4253935 Vacuum deposition |
| 02/24/1981 | US4252878 Processes of wetting hydrophobic fluoropolymer separators |
| 02/24/1981 | CA1096331A1 Diaphragm cells |
| 02/24/1981 | CA1096330A1 Diaphragm cells |
| 02/17/1981 | US4251333 To produce an alkali metal hydroxide and chlorine using a modified cation exchange membrane of a fluoropolymer |
| 02/17/1981 | CA1096093A1 Phosphonated fluorotelomers |
| 02/17/1981 | CA1095855A1 Electrolytic cell having membrane enclosed anodes |
| 02/10/1981 | US4250002 Polymeric microporous separators for use in electrolytic processes and devices |
| 02/10/1981 | CA1095457A1 Permeable diaphragms for electrolysis cells containing aqueous solutions of alkali metal halides |
| 02/03/1981 | US4248715 Porous ceramic diaphragm |
| 01/28/1981 | EP0023094A1 Diaphragm for cladding a cathode box of an electrolytic cell, sheet for forming into a diaphragm, and a method of cladding a cathode box |
| 01/27/1981 | CA1094506A1 Process for the electrolytic treatment with ion exchange membranes |
| 01/20/1981 | US4246353 Melt processing of fluorinated polymers |
| 01/20/1981 | US4246090 Novel cationic membranes |
| 01/14/1981 | EP0022252A1 Diaphragm for the alkaline electrolysis of water, process for its manufacture and its use |
| 01/13/1981 | US4244886 Fluorosulphonyl oxafluoroalkanes and their derivatives |
| 01/07/1981 | EP0021624A1 Process for the production of potassium hydroxide in an electrolytic membrane cell and potassium hydroxide obtained thereby |
| 12/30/1980 | US4242193 Layered membrane and processes utilizing same |
| 12/30/1980 | CA1092545A1 Method for lowering chlorate content of alkali metal hydroxides |
| 12/16/1980 | CA1091409A1 Dry phase inversion of exterior of cellulose acetate hollow fibre |
| 12/16/1980 | CA1091406A1 Method of improving current efficiency of cation- exchange membrane |
| 12/09/1980 | US4238303 Fluoropolymer with carboxyl groups, magnesium compound |
| 12/02/1980 | US4236989 Electrolytic cell |
| 12/02/1980 | US4236987 Electrode having membrane with ion selective properties |
| 12/02/1980 | US4236979 Composite diaphragms and process for electrolyzing alkali metal chloride |
| 12/02/1980 | US4236952 Joining polymer sheets which are not melt-processable |
| 11/11/1980 | US4233146 Cell flow distributors |
| 11/11/1980 | US4233122 Fluorinated ion exchange membrane |
| 11/04/1980 | CA1088707A1 Process for preparing cation-exchange membrane |
| 10/29/1980 | EP0018034A1 Process for manufacturing a porous diaphragm for an electrolytic cell |
| 10/28/1980 | US4230544 Method and apparatus for controlling anode pH in membrane chlor-alkali cells |
| 10/21/1980 | US4229277 Glove-like diaphragm structure for electrolytic cells |
| 10/14/1980 | CA1087778A1 Polymeric compositions for use with membranes |
| 10/01/1980 | EP0016235A1 Composition, preparation thereof, diaphragm or membrane made of that composition and use of the diaphragm or membrane |
| 09/30/1980 | US4225412 Elastomeric membrane |
| 09/30/1980 | US4225400 Nondestructive melt-bonding |
| 09/30/1980 | CA1086769A1 Fluorosulphonyl oxafluoroalkanes, their derivatives, fluorosulphonyl olefines, their copolymers and processes for their preparation |
| 09/23/1980 | US4224130 Electrolytic diaphragm cell |
| 09/16/1980 | CA1085993A1 Copolymers and diaphragms made therefrom |
| 09/09/1980 | US4221642 Copolymer a of a halogenated vinyl monomer and a 2- or 4-vinylpyridine monomer |
| 09/02/1980 | CA1084663A1 Microporous film and method for preparing the same |
| 08/26/1980 | US4219400 Electrolysis cell |
| 08/26/1980 | US4219394 Membrane assembly for electrolytic cells |
| 08/19/1980 | US4218542 Cation exchange membrane of fluorinated polymer containing polytetrafluoroethylene fibrils for electrolysis and preparation thereof |
| 08/19/1980 | US4218275 Halopolymers |
| 08/12/1980 | CA1083529A1 Electrodialysis cell and method for producing cationic permeable membranes used therein |
| 08/12/1980 | CA1083312A1 Process for production of perfluorocarbon type cation exchange membrane |
| 08/06/1980 | EP0013677A1 A fluid impermeable cation exchange membrane, process for its preparation, electrochemical cell comprising said membrane and an electrolytic process using said membrane |
| 08/05/1980 | US4216073 Ion exchange resin containing activated carbon |
| 08/05/1980 | US4216072 Diaphragms for use in the electrolysis of alkali metal chlorides |
| 07/29/1980 | CA1082625A1 Pressure-driven affinity sorption membranes |
| 07/22/1980 | CA1082132A1 Anode-structure for electrolysis |
| 07/15/1980 | US4212713 Electrolysis of aqueous solution of alkali metal chloride |
| 07/01/1980 | US4210515 Thermoplastic fibers as separator or diaphragm in electrochemical cells |
| 06/24/1980 | US4209367 Improved cation exchange memebranes of fluoropolymers having pendant carboxylic acid or salt groups and sulfonic acid groups |
| 06/24/1980 | CA1079914A1 Method for preparation of cation exchange membrane |
| 06/17/1980 | US4208246 Dispersing polymer emulsion into asbestos fibers suspended in water with cellulose ethers or polyether polyol, depositing on screen cathode |
| 06/10/1980 | US4207182 Polymeric compositions for membranes |
| 06/10/1980 | US4207164 Diaphragms for use in the electrolysis of alkali metal chlorides |
| 06/10/1980 | US4207163 Chemical and physical stability and increased operational life |
| 06/10/1980 | CA1079225A1 Bonding of fibers for diaphragms in electrolytic cells |
| 06/10/1980 | CA1079223A1 Thermoplastic fibers as separator or diaphragm in electrochemical cells |
| 06/03/1980 | US4206022 Hydrolysis of salts of carboxylic fluoropolymers |
| 06/03/1980 | CA1078779A1 Diaphragm cell having uniform and minimum spacing between the anodes and cathodes |
| 06/03/1980 | CA1078564A1 Method for improving selectivity of membranes used in chlor-alkali cells |
| 05/28/1980 | EP0011082A1 Chlor-alkali cell diaphragm and its treatment |
| 05/27/1980 | US4204941 Process for the manufacture of a permeable diaphragm for an electrolysis cell |
| 05/27/1980 | US4204938 Method of making porous plastic diaphragms and the resulting novel diaphragms |
| 05/27/1980 | CA1078117A1 Process for asymmetrical selectively permeable cellulose triacetate membranes |
| 05/20/1980 | CA1077886A1 Electrolyte separator tensioning device |
| 05/14/1980 | EP0010984A2 Layered membrane assembly and electrochemical processes and electrochemical cell utilizing same |
| 05/06/1980 | US4201652 Synthetic separator |
| 05/06/1980 | CA1076994A1 Molded, form retaining and electrolyte resistant filled polymeric plastic electrolytic cell frame |
| 05/06/1980 | CA1076990A1 Porous diaphragms |
| 04/29/1980 | US4200711 Oxidation of sulfonyl halide group |
| 04/29/1980 | US4200538 Process for preparing cation-exchange membrane |
| 04/22/1980 | CA1076065A1 Method of making porous plastic diaphragms and the resulting novel diaphragms |
| 04/22/1980 | CA1076060A1 Electrolytic method for the manufacture of hypochlorites |
| 04/08/1980 | US4197206 Heat sealable ion permeable membranes |
| 04/08/1980 | US4197148 Stretching a thermoplastic resin |
| 04/01/1980 | US4196071 Ventilated diaphragm support for chlor-alkali cell |
| 04/01/1980 | US4196070 Method for forming microporous fluorocarbon polymer sheet and product |
| 03/25/1980 | US4194961 Electrode spacer element |
| 03/19/1980 | EP0008635A1 Composition of matter comprising a magnesium compound reacted with a fluoropolymer, method for producing the same and use of the same for preparing a modified asbestos diaphragm for a chlor-alkali cell |
| 03/18/1980 | US4193861 Pressurization, immersion in electrolyte |
| 03/18/1980 | CA1073858A2 Reinforced cation permeable separator |
| 03/18/1980 | CA1073845A1 Electrolytic method for the manufacture of chlorates |
| 03/11/1980 | CA1073402A1 Electrolytic manufacture of chlorates using a plurality of electrolytic cells |
| 03/11/1980 | CA1073401A1 Electrolytic production of chlorine dioxide, chlorine, alkali metal hydroxide and hydrogen |
| 03/04/1980 | US4191627 Folding a flexible material into fingers and heat sealing edges |
| 03/04/1980 | US4191623 Dope, polymer, coagulation with electric current |
| 02/26/1980 | US4190506 Electrolysis of alkali metal chloride |
| 02/19/1980 | US4189540 Process for producing cation exchange membrane by impregnating a diene monomer having carboxylic acid groups into a fluorinated membrane having cation exchange groups and polymerizing |
| 02/19/1980 | US4189369 Diaphragm of hydrophilic fluoropolymers |
| 02/19/1980 | US4189361 Electrolysis of sodium chloride |
| 02/19/1980 | CA1072057A1 Electrolytic cell membrane conditioning |