| Patents for C25B 13 - Diaphragms; Spacing elements (2,681) |
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| 11/19/1998 | WO1998052243A1 Electrolytic reactor such as fuel cell with zeolite membrane |
| 11/19/1998 | WO1998051733A1 Process for making composite ion exchange membranes |
| 11/19/1998 | CA2289607A1 Electrolytic reactor such as fuel cell with zeolite membrane |
| 11/18/1998 | CN1199409A Processes for ferming thin, durable coatings of perfluorocarbon ionomers on various substrate materials |
| 11/12/1998 | WO1998050457A1 Composite membrane with highly crystalline porous support |
| 11/11/1998 | CN1198784A Composite membrane and use thereof for chemical synthesis |
| 11/04/1998 | EP0874873A1 Processes for forming thin, durable coatings of perfluorocarbon iononomers on various substrate materials |
| 11/03/1998 | US5830921 For electrochemistry cells |
| 11/03/1998 | US5830604 Polymeric sheet and electrochemical device using the same |
| 10/13/1998 | CA1340086C Organic polymeric material and ion-exchange membrane produced therefrom |
| 10/07/1998 | EP0841991A4 Method for preparing diaphragm for use in chlor-alkali cells |
| 09/09/1998 | CN1192762A Rechargeable battery polymeric electrolyte |
| 09/01/1998 | US5800796 Composite membrane and use thereof for synthesis of hydrogen peroxide |
| 08/26/1998 | CN1191631A Gradient interface composites and methods therefor |
| 07/22/1998 | EP0853687A1 Composite membrane and use thereof for chemical synthesis |
| 07/07/1998 | US5776328 Apparatus and process for electrochemically decomposing salt solutions to form the relevant base and acid |
| 07/01/1998 | EP0850326A1 Bonded non-asbestos chlor-alkali diaphragm |
| 06/24/1998 | EP0848859A1 Gradient interface composites and methods therefor |
| 06/18/1998 | WO1998026112A1 Reticulated metal article combining small pores with large apertures |
| 06/16/1998 | US5766438 Periodically inverting polarity of electrodes at short intervals |
| 06/10/1998 | EP0846789A1 Process for modifying the permeability of diaphragms |
| 05/27/1998 | EP0844313A2 Method and apparatus for sputtering in a chamber having an inductively coupled plasma |
| 05/26/1998 | US5755951 Regeneration of plastic diaphragm |
| 05/20/1998 | EP0842216A1 Rechargeable battery polymeric electrolyte |
| 05/20/1998 | EP0841991A1 Method for preparing diaphragm for use in chlor-alkali cells |
| 05/14/1998 | WO1998020063A1 Electrolytic membrane, method of manufacturing it and use |
| 05/05/1998 | US5746954 Processes for forming thin, durable coatings of perfluorocarbon ionomers on various substrate materials |
| 04/21/1998 | US5741611 Method of preparing an electrochemical system operated at ambient temperatures |
| 04/21/1998 | US5741408 Polymer electrolyte membrane for use in fuel cells and electrolysis cells |
| 04/15/1998 | EP0835277A1 Polyarylene sulphides with polymer-bound phosphonium salts and process for producing them |
| 04/08/1998 | CN1178482A Composite membrane |
| 04/07/1998 | US5736017 Solid high polymer electrolytic module and method of manufacturing the same |
| 03/04/1998 | EP0827228A1 Solid polymer electrolyte proton conductors for use in electrochemical systems working at ambient temperature |
| 03/04/1998 | EP0761018B1 A modified cation exchange membrane for electrochemical cells and method for the preparation of such membrane |
| 03/03/1998 | US5723086 Electrode membrane |
| 02/28/1998 | CA2212677A1 Non-liquid proton conductors for use in electrochemical systems under ambient conditions |
| 02/24/1998 | CA1339685C Reinforced ion exchange membrane and a process for producing the same |
| 02/19/1998 | WO1998007164A1 Proton conductor with wide-ranging thermal resistance and good proton conductivity |
| 02/19/1998 | DE19632285A1 Protonenleiter mit einer Temperaturbeständigkeit in einem weiten Bereich und guten Protonenleitfähigkeiten Proton conductors with a temperature stability over a wide range and good proton conductivities |
| 02/11/1998 | CN1037326C Method for preparing ion exchange film containing fluorine |
| 01/28/1998 | CN1171413A Technology for making diaphragm pad used in apparatus to generate hydrogen by water electrolysis |
| 01/13/1998 | US5707499 Storage-stable, fluid dispensing device using a hydrogen gas generator |
| 01/07/1998 | EP0815160A1 Sulphonated polyether ketones, method of producing them and the use thereof to produce membranes |
| 01/07/1998 | EP0814897A1 Composite membrane |
| 01/06/1998 | CA2124674C Compositions, methods, and apparatus for separating oxygen from a gaseous mixture |
| 12/09/1997 | US5695640 Hydrophobic substrate coated on at least one external surface and on the internal surface with a polyamide |
| 11/20/1997 | DE19704160A1 Electrolytic module useful for air dehumidifier |
| 11/19/1997 | CN1165050A Solid polymer electrolytic module and its making method and dehumidifier used it |
| 11/12/1997 | EP0647245B1 Polymers of haloperfluoro and perfluoro ethers |
| 11/12/1997 | CN1164512A Seal washer for ternery electrode electric tank and said electrode electric tank and water treatment method |
| 11/11/1997 | US5685755 Bonded coating |
| 11/06/1997 | WO1997041168A1 Integral multi-layered ion-exchange composite membranes |
| 11/06/1997 | WO1997040924A1 Integral ion-exchange composite membranes |
| 11/05/1997 | CN1164261A Electrochemical device for removal and regeneration of oxygen and method |
| 11/04/1997 | US5683749 Method for preparing asbestos-free chlor-alkali diaphragm |
| 10/16/1997 | WO1997038461A1 Process for the fabrication of electrochemical cell components |
| 10/16/1997 | CA2249224A1 Process for the fabrication of electrochemical cell components |
| 09/25/1997 | DE19610303A1 Sulphonated aromatic polyether-ketone used for membrane prodn., etc. |
| 09/24/1997 | EP0593612B1 Polymeric sheet |
| 09/17/1997 | EP0766752A4 Oxygen supply and removal apparatus |
| 08/20/1997 | EP0789789A1 Electrochemical device for removal and regeneration of oxygen and method |
| 08/06/1997 | EP0787369A1 Proton conducting polymers |
| 08/06/1997 | EP0787368A1 Metallized cation exchanger membrane |
| 07/01/1997 | US5643689 Non-liquid proton conductors for use in electrochemical systems under ambient conditions |
| 06/26/1997 | DE19548423A1 Sulphonated aromatic polyether-ketone used for membrane prodn., etc. |
| 06/25/1997 | CN1152971A Modified cation exchange membrane for electrochemical cells and method for the preparation of such membrane |
| 06/12/1997 | DE19545642A1 Sulphonated aromatic polyether-ketone used for membrane prodn., etc. |
| 06/10/1997 | US5637204 End casing for an electrodialyzer electrodialyzer equipped with such a casing and use of the said electrodialyzer |
| 06/03/1997 | US5635041 Electrode apparatus containing an integral composite membrane |
| 06/03/1997 | US5635039 Ion exchange membranes having improved water supply; high current density, |
| 05/21/1997 | EP0672305B1 Electrode membrane |
| 05/06/1997 | US5626905 Process for the preparation of asbestos-free microporous electroconductive substrate |
| 05/06/1997 | US5626731 Cation exchange membranes and method for the preparation of such membranes |
| 04/17/1997 | DE19603181A1 Complete separation of anolyte and catholyte in electrochemical processes |
| 04/16/1997 | CN1147566A Regeneration of plastic diaphragms |
| 04/10/1997 | WO1997013007A1 Storage-stable, fluid dispensing device using a hydrogen gas generator |
| 04/10/1997 | WO1997013006A1 Composite membrane and use thereof for chemical synthesis |
| 04/10/1997 | CA2231566A1 Composite membrane and use thereof for chemical synthesis |
| 04/09/1997 | EP0766752A1 Oxygen supply and removal apparatus |
| 03/18/1997 | US5612089 Electrolytic cells |
| 03/13/1997 | WO1997009466A1 Bonded non-asbestos chlor-alkali diaphragm |
| 03/13/1997 | WO1997009373A1 Processes for forming thin, durable coatings of perfluorocarbon iononomers on various substrate materials |
| 03/12/1997 | EP0761018A1 A modified cation exchange membrane for electrochemical cells and method for the preparation of such membrane |
| 03/11/1997 | US5609974 Rechargeable battery polymeric electrolyte |
| 03/11/1997 | US5609742 Electrolytic process and apparatus for the controlled reduction of inorganic and organic species in aqueous solutions |
| 02/20/1997 | WO1997006207A1 Rechargeable battery polymeric electrolyte |
| 02/20/1997 | CA2227268A1 Rechargeable battery polymeric electrolyte |
| 02/13/1997 | WO1997004883A1 Method for preparing diaphragm for use in chlor-alkali cells |
| 02/04/1997 | US5599614 Integral composite membrane |
| 01/29/1997 | CN1141207A Staged electrolyte membrane |
| 01/23/1997 | WO1997002308A1 Polyarylene sulphides with polymer-bound phosphonium salts and process for producing them |
| 01/23/1997 | CA2225817A1 Polyarylene sulphides with polymer-bound phosphonium salts and process for preparing them |
| 01/22/1997 | EP0662249B1 Ion exchange membrane having increased efficiency in proton exchange processes |
| 01/21/1997 | US5595641 Apparatus and process for electrochemically decomposing salt solutions to form the relevant base and acid |
| 01/14/1997 | US5593552 Device for electrochemical generation of gas |
| 12/25/1996 | CN1138498A High strength honeycomb ion filtering material and its prepn. method |
| 12/19/1996 | WO1996041391A1 Gradient interface composites and methods therefor |
| 12/18/1996 | EP0680524B1 Membrane-electrode structure for electrochemical cells |
| 12/17/1996 | US5584977 Asbestos-free cathodes for electrolytic cells |
| 12/04/1996 | EP0745701A1 Process for regenerating synthetic diaphragms |