| Patents for C25B 13 - Diaphragms; Spacing elements (2,681) |
|---|
| 06/04/1991 | US5021137 Ceramic solid electrolyte based electrochemical oxygen concentrator cell |
| 05/15/1991 | EP0093114B1 Cation exchange membrane with high equivalent weight component |
| 05/15/1991 | CN1051401A Electrolytic apparatus for producing hydrogen and oxygen |
| 05/07/1991 | WO1991006692A1 Ceramic solid electrolyte based electrochemical oxygen concentrator cell and method of fabrication |
| 05/07/1991 | US5013418 Electrolyzer |
| 05/07/1991 | CA2073052A1 Ceramic solid electrolyte based electrochemical oxygen concentrator cell and method of fabrication |
| 04/30/1991 | CA1283625C Multicompartment cell with inner membrane tubes and end closures |
| 03/26/1991 | CA1282032C Process for preparing diaphragm-deposited activated cathodes |
| 03/19/1991 | US5001163 Organic polymeric material and ion-exchange membrane with pendant carbocyclic exchanging groups produced |
| 02/20/1991 | CN1049385A Improved diaphragms containing asbestos fibres, jointers for jointing cathode elements to diaphragms, and process for obtaining diaphragms and jointers |
| 02/20/1991 | CN1049384A Diaphragm, assembly of diaphragm and cathode element, and process for manufacturing them |
| 02/20/1991 | CN1049383A Dredging agent for solid pipeline |
| 02/13/1991 | EP0412917A1 Diaphragm, association of such a diaphragm with a cathodic element and their process of manufacture |
| 02/13/1991 | EP0412916A1 Diaphragm comprising asbestos fibres, association of such a diaphragm with a cathodic element and process of manufacture |
| 02/13/1991 | EP0412589A2 A cation exchange membrane having high durability |
| 02/12/1991 | US4992156 Submerged electrolytic cell wired in existing water circulation piping |
| 02/11/1991 | CA2023031A1 Asbestos fiber diaphragm improvement method, association of said diaphragm with a cathodic element, and method of production therefor |
| 01/23/1991 | EP0409344A2 A cation exchange membrane having high stability |
| 01/08/1991 | US4983264 Four layer cation exchange fluoropolymer membrane |
| 01/01/1991 | US4981932 Fluorated ionic polymer, method for its preparation and membranes |
| 12/26/1990 | CN1011005B Composite ion conductive film |
| 12/05/1990 | EP0400326A2 Diaphragm cord |
| 11/22/1990 | EP0398208A1 Separator for an electrolyse cel for acid tritiated water and process for manufacturing such a separator |
| 11/21/1990 | CN1047117A Electrotysis film formulation for producing composite oridizer by electrolizing table salt |
| 11/14/1990 | EP0397222A2 Microporous films |
| 11/13/1990 | US4969982 Method for producing an alkali metal hydroxide and electrolytic cell useful for the method |
| 10/29/1990 | WO1990013593A1 A composite, porous diaphragm |
| 10/29/1990 | CA2049327A1 Composite, porous diaphragm |
| 10/24/1990 | CN1046358A Non-organic/ polymer fiber composite, method of making same and use including dimensionally stable separator |
| 10/23/1990 | US4964960 Carboxyl/sulfonyl copolymer membrane; electrolysis efficiency |
| 10/09/1990 | US4961901 Feeding metal powder onto support, distributing uniformly by rolling in opposite direction, pressing wire net, compacting, firing in oxidizing atmosphere |
| 09/26/1990 | EP0388670A2 Cation exchange reinforced membrane and process |
| 09/20/1990 | WO1990010734A1 A submerged electrolytic cell pool purifier |
| 09/11/1990 | CA1273899A2 Reinforced polymer membrane for electrolysis with sacrificial reinforcement elements on one surface |
| 09/05/1990 | EP0385427A2 Cation exchange membrane reinforced with a cation exchange fabric |
| 09/04/1990 | US4954388 Fabric reinforced composite membrane |
| 08/31/1990 | CA2010844A1 Cation exchange reinforced membrane and process |
| 08/31/1990 | CA2010843A1 Cation exchange membrane reinforced with a cation exchange fabric |
| 08/28/1990 | US4952297 Storage, transportation and installation container for ion-exchange membranes |
| 08/28/1990 | CA1273315A1 Process for producing potassium hydroxide |
| 07/03/1990 | US4939028 Microporous composites and electrolytic applications thereof |
| 06/14/1990 | WO1990006337A1 Fabric reinforced composite membrane |
| 05/31/1990 | CA2003205A1 Fabric reinforced composite membrane |
| 05/30/1990 | EP0370149A2 Ionic semiconductor materials and applications thereof |
| 05/30/1990 | CN1008190B Method for producing alkali metal hydroxide and electrolytic cell useful for the method |
| 05/29/1990 | CA1269638A1 Electrolytic cell and gasket for electrolytic cell |
| 05/29/1990 | CA1269505A1 Polymer membrane |
| 05/23/1990 | CN1008124B Method for mfg. improved electrolyte-electrode of solid polymer using liquid or solvent |
| 05/23/1990 | CN1008123B Improved solid polymer electrolyte electrode |
| 05/22/1990 | CA1269346A1 Multi-layered diaphragm for electrolysis |
| 05/22/1990 | CA1269283A1 Non-organic/polymer fiber composite, method of making same and use including dimensionally stable separator |
| 05/01/1990 | US4921587 Porous diaphragm for electrochemical cell |
| 04/05/1990 | DE3932895A1 Pressurised gas generator - with automatically controlled operation, esp. for electrolytic hydrogen prodn. |
| 04/04/1990 | EP0214066B1 Consolidated microporous material, process for its preparation and its applications, particularly to producing cathode elements |
| 04/03/1990 | US4913817 Reinforced ion exchange membrane and a process for producing the same |
| 03/27/1990 | US4911829 Transportable, elongated supported clamping means |
| 03/13/1990 | US4908114 Mobile atom insertion reaction, mobile atom transmissive membrane for carrying out the reaction, and reactor incorporating the mobile atom transmissive membrane |
| 03/07/1990 | EP0196317B1 Non-organic/polymer fiber composite, method of making same and use including dimensionally stable separator |
| 02/20/1990 | CA1266020A1 Ion exchange membrane reinforced with perfluoropolymer leno cloth |
| 02/06/1990 | US4898699 Method for bonding a porous metal layer to a cermet surface |
| 02/06/1990 | CA1265472A1 Cation exchange fluoropolymer membrane |
| 01/23/1990 | US4895905 Gel-type chelating resins and a process for removal of multi-valent, alkaline earth or heavy metal cations from solutions |
| 01/23/1990 | US4895634 Porous separatory member entirely made of polyphenylene sulfide for the electrolysis of water |
| 01/16/1990 | US4894128 Sodium chloride electrolysis, filter pressing |
| 01/10/1990 | CN1038662A Organic polymeric material and ion-exchange membrane produced therefrom |
| 01/09/1990 | US4892632 Combination seal member and membrane holder for an electrolytic cell |
| 01/02/1990 | US4891107 Porous diaphragm for electrochemical cell |
| 12/27/1989 | CN1006239B Multi-layered diaphragm for electrolysis |
| 12/13/1989 | EP0345964A1 Organic polymeric material and ion-exchange membrane produced therefrom |
| 12/13/1989 | EP0345864A1 Process for making a membrane |
| 12/12/1989 | US4886586 Combination electrolysis cell seal member and membrane tentering means for a filter press type electrolytic cell |
| 11/28/1989 | CA1263339A1 Electrolytic cell for the electrolysis of an alkali metal chloride |
| 11/21/1989 | US4882025 PVC woven diaphragm for the electrolysis of hydrochloric acid |
| 11/08/1989 | EP0340820A1 Electrolyser |
| 11/07/1989 | US4879009 Chlorotrifluoroethylene-ethylene copolymer |
| 11/02/1989 | EP0339728A1 Process and apparatus for manufacturing diaphragms |
| 11/02/1989 | EP0339114A1 Edge reinforcement of membranes for chlor-alkali cells |
| 10/31/1989 | US4877499 Ion exchange membrane and at least two strengthening layers along gasket-bearing surface of membrane |
| 10/25/1989 | CN1036606A Membrane electrolytic process for producing concentrated caustic |
| 10/11/1989 | CN1036212A Organic polymeric material and ion-exchange membrane produced therefrom |
| 10/11/1989 | CN1005380B Pre-expanded ion exchange membranes |
| 10/10/1989 | US4873046 Stretching while heating |
| 10/03/1989 | CA1262041A1 Bonded hydrogen conducting solid electrolytes |
| 09/26/1989 | US4869800 Cell arrangement for a filter press type stack of cells |
| 09/26/1989 | US4869793 Method of preparing an asbestos diaphragm |
| 09/20/1989 | CN1035687A Improved diaphragm for electrolytic cell |
| 09/06/1989 | EP0331321A2 Organic polymeric material and ion-exchange membrane produced therefrom |
| 09/05/1989 | CA1259051A1 Electrolytic cell and method of operation |
| 08/29/1989 | CA1258942A1 Modified liquid permeable asbestos diaphragms with improved dimensional stability |
| 08/29/1989 | CA1258822A1 Separator-gas electrode combination |
| 08/09/1989 | EP0327313A2 Membrane electrolytic process for producing concentrated caustic |
| 08/01/1989 | US4853101 Porous separator comprising inorganic/polymer composite fiber and method of making same |
| 07/26/1989 | CN1034212A Composite ion conductive film |
| 07/18/1989 | US4849311 Immobilized electrolyte membrane |
| 06/20/1989 | CA1256062A1 Electrolytic cation exchange membrane |
| 05/30/1989 | CA1254857A1 Nickel oxide based diaphragm |
| 05/23/1989 | US4832805 Multi-layer structure for electrode membrane-assembly and electrolysis process using same |
| 05/10/1989 | CN1032804A Reinforced ion exchange membrane and process for producing same |
| 04/18/1989 | US4822460 Slack membrane separates anode and cathode; uneven pressure prevents wrinkling |
| 04/18/1989 | CA1252943A1 Ionic fluorinated polymer, its preparation, and electrolysis membranes made of said polymer |