Patents for C25B 13 - Diaphragms; Spacing elements (2,681) |
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03/12/2002 | US6355166 Magnetically enhanced composite materials and methods for making and using the same |
03/12/2002 | US6355149 Method for producing a membrane used to operate fuel cells and electrolyzers |
02/21/2002 | US20020022123 Fuel cell comprising a composite membrane |
02/13/2002 | EP1015665B1 Electrolysis device |
02/07/2002 | US20020014417 Electrochemical cell for the oxidation of organic compounds, and electrocatalytic oxidation process |
02/06/2002 | EP1177332A1 Method and device for obtaining hydrogen |
01/31/2002 | WO2002008492A1 Process and method for recovery of halogens |
01/31/2002 | US20020011684 Formed by treating porous membrane having thickness of at most one mil with ionomer so that membrane is fully impregnated with ionomer in membrane's cross section; ion exchange membranes for fuel cells |
01/31/2002 | CA2416653A1 Process and method for recovery of halogens |
01/30/2002 | EP1175254A1 Step-by-step alkylation of polymeric amines |
01/17/2002 | WO2002005370A1 Hybrid material, use of said hybrid material and method for making same |
01/16/2002 | EP1171384A2 Proton conducting membrane using a solid acid |
01/09/2002 | CN1077609C Regeneration of plastic diaphragms |
01/03/2002 | WO2002000773A2 Polymers and polymer membranes covalently cross-linked by sulphinate alkylation |
01/03/2002 | US20020002240 Cross-linked sulphonated polymers and method for preparing same |
01/03/2002 | US20020000385 Hydrogen and oxygen electrodes with an electrolyte membrane between and a tank with two fluid storage sections separated by a movable divider |
01/03/2002 | CA2379962A1 Polymers and polymer membranes covalently cross-linked by sulphinate alkylation |
01/01/2002 | CA2222618C Gradient interface composites and methods therefor |
12/26/2001 | CN1076880C Modified cation exchange membrane for electrochemical cells and method for preparation of same membrane |
12/20/2001 | WO2001070857A3 Ion-exchange materials |
12/20/2001 | DE10119285A1 Verfahren zum Betreiben einer Chlor-Alkali-Elektrolysezelle A method of operating a chlor-alkali electrolytic cell |
12/06/2001 | DE10119287A1 Verfahren zur Herstellung eines Diaphragmas für Elektrolysezellen Process for the preparation of a diaphragm for electrolysis cells |
12/06/2001 | DE10026941A1 Partial electrochemical oxidation of organic compounds, useful e.g. for acrolein production, uses anode comprising conductive material and mixed metal oxide |
12/06/2001 | DE10026940A1 Elektrochemische Zelle zur Oxidation organischer Verbindungen und elektrokatalytischer Oxidationsprozess An electrochemical cell to oxidize organic compounds and electrocatalytic oxidation process |
12/05/2001 | EP1160357A1 Electrochemical cell for the oxidation of organic compounds and electrocatalytic oxidation process |
11/28/2001 | EP1156869A1 Separation method and device with semi-permeable membranes comprising sulphonated polyimides |
11/28/2001 | EP0841991B1 Method for preparing diaphragm for use in chlor-alkali cells |
11/08/2001 | WO2001084657A2 Polymer membranes |
11/08/2001 | US20010038937 Solid polymer electrolyte having high-durability |
11/08/2001 | DE10021106A1 Polymere Membranen Polymeric membranes |
11/06/2001 | US6312757 Weldings for the assembling of the cathode walls are free from internal stresses. |
11/06/2001 | US6312572 Electrolyzer |
10/31/2001 | DE10019732A1 Acid base polymer membrane for use as fuel cells membrane for e.g. hydrogen or direct methanol fuel cells, comprises at least one polymeric acid or polymer base with specified proton conductivity |
10/31/2001 | CN2457174Y Single pole type ion film electrolytic bath |
10/25/2001 | CA2405027A1 Separation of micromolecules |
10/24/2001 | CN1073645C Composite membrane for chemical synthesis and reactor and method using the same |
10/18/2001 | WO2000045447A9 Proton conducting membrane using a solid acid |
10/11/2001 | DE10015360A1 Separator unit used for electrolysis cells and fuel cells consists of two embossed plates, one surface having a positive channel structure and the other surface having a corresponding negative channel structure |
10/10/2001 | EP1142044A1 Membrane suitable for electrochemical cells |
10/09/2001 | US6299939 Method of preparing a diaphragm for an electrolytic cell |
10/04/2001 | US20010026893 Excellent stability and performance when used in a proton-exchange membrane fuel cell or for electrolysis of water |
10/04/2001 | US20010025798 Continuous electrolysis of tetramethylammonium salt in cell with cation-exchange membrane under stationary conditions by introduction of concentrated solution into anode electrolysis loop, water into cathode loop; pH stability |
10/02/2001 | US6296745 Adding alkali metal polyphosphate and water insoluble inorganic particles; withdrawal of hydrogen from aqueous alkali metal hydroxide solution from catholyte; chlorine from anolyte |
10/02/2001 | US6296686 Ceramic membrane for endothermic reactions |
09/27/2001 | WO2001071064A1 Ion conducting ceramic membrane and surface treatment |
09/27/2001 | WO2001070857A2 Ion-exchange materials |
09/27/2001 | CA2403459A1 Ion conducting ceramic membrane and surface treatment |
09/27/2001 | CA2402838A1 Ion-exchange materials |
09/12/2001 | CN1312400A Synthesizing of tetramethylammonium |
09/06/2001 | DE10107324A1 Electrolyte membrane comprises surface-treated, block-polymerizable membrane onto which side chain polymer with subsequently-introduced proton-conducting groups is block polymerized |
09/04/2001 | CA2063353C Fluorine-containing cation exchange membrane for electrolysis |
08/30/2001 | US20010017188 Joining an ion exchange membrane (IEM) to a frame of dissimilar polymer by coating the border of an IEM with a water miscible solvent solution of frame-compatible polymer and joining the coated IEM to the frame |
08/16/2001 | WO2001058576A1 Graft polymeric membranes and ion-exchange membranes formed therefrom |
08/07/2001 | USRE37307 An expanded polytetrafluoroethylene membrane having a porous microstructure of polumeric fibrils and a ino exchange material that impregnates the membrane to render a interior volume occlusive |
07/25/2001 | EP1118589A2 Method and system for on-site halogen treatment of aqueous solutions |
07/25/2001 | EP1118585A2 Electrolytic process and apparatus for the controlled oxidation or reduction of inorganic and organic species in aqueous solutions |
07/24/2001 | US6264857 Used as coatings which are in electrochemical cells, e.g. fuel cells, secondary batteries and electrochromic displays |
07/24/2001 | US6264811 Ion conducting ceramic membrane and surface treatment |
07/24/2001 | CA2231171C Bonded non-asbestos chlor-alkali diaphragm |
07/19/2001 | DE10101494A1 Tetramethylammoniumhydroxid-Synthese Tetramethylammonium synthesis |
07/18/2001 | EP1115908A1 Natural gas-assisted steam electrolyzer |
07/12/2001 | WO2001049902A1 Asbestos-free diaphragm, comprising non-fibrous mineral particles, combination comprising same, method for obtaining same and use thereof |
07/12/2001 | CA2396047A1 Asbestos-free diaphragm, comprising non-fibrous mineral particles, combination comprising same, method for obtaining same and use thereof |
07/03/2001 | US6254978 Ultra-thin integral composite membrane |
06/21/2001 | WO2001045192A1 Low gravity electrochemical cell |
06/21/2001 | CA2394499A1 Low gravity electrochemical cell |
05/31/2001 | DE19956787A1 Elektrolyseplatte Electrolysis plate |
05/30/2001 | EP1103636A1 Electrolytic cell plate |
05/30/2001 | EP1066656A4 Ion conductive matrixes and their use |
05/29/2001 | US6238534 Hybrid membrane electrode assembly |
05/02/2001 | EP1095174A1 Screen assembly for an electrochemical cell |
05/01/2001 | CA2223858C Method for preparing diaphragm for use in chlor-alkali cells |
04/12/2001 | WO2000045447A8 Proton conducting membrane using a solid acid |
04/10/2001 | US6214488 Polymer electrolyte membrane and process for the production thereof |
03/27/2001 | US6207313 Magnetic composites and methods for improved electrolysis |
03/22/2001 | WO2001019896A1 Composite ion-exchange membranes |
03/20/2001 | CA2214122C Composite membrane |
03/13/2001 | US6200435 Ion exchange membrane electrolyzer |
03/07/2001 | EP1080509A1 Bipolar plates for electrochemical cells |
03/06/2001 | CA2234552C Composite inorganic-polymer thin film cation-selective membrane, method of fabricating same and applications |
03/01/2001 | DE19919708A1 Stufenweise Alkylierung von polymeren Aminen Stepwise alkylation of polymeric amines |
02/27/2001 | US6194623 Hydrogenation of organic compounds with the use of the NEMCA effect |
02/27/2001 | US6194338 Stabilized bimetal catalyst comprising electrically conductive support and non-continuous metallic deposited coating comprising platinum or silver and a second metal which is platinum, silver, gold, ruthenium, iridium, rhodium, osmium |
01/23/2001 | US6176984 High temperature polybenzazole and polyether electrolytes |
01/17/2001 | CN1060823C Process for contineous producing nickel hydroxide |
01/10/2001 | EP1066656A1 Ion conductive matrixes and their use |
01/10/2001 | EP1066417A1 Method and device for obtaining synthesis gas |
01/04/2001 | WO2001001506A1 High temperature polybenzazole and polyether electrolytes |
12/21/2000 | WO2000076621A1 Magnetically enhanced composite materials and methods for making and using the same |
11/28/2000 | US6153163 Providing ion transport reactor; delivering oxygen-donating first feed stream; heating; transporting elemental oxygen obtained from first feed stream through product oxygen-selective ion transport membrane to react with feed |
11/23/2000 | WO2000070700A1 Hybrid membrane electrode assemblies |
11/23/2000 | CA2372601A1 Hybrid membrane electrode assemblies |
11/21/2000 | US6149810 Membrane with supported internal passages |
11/16/2000 | WO2000045447A3 Proton conducting membrane using a solid acid |
11/09/2000 | WO2000066652A1 Membranes, membrane electrode assemblies and fuel cells employing same, and process for preparing |
11/09/2000 | WO2000066254A1 Step-by-step alkylation of polymeric amines |
11/09/2000 | CA2371967A1 Step-by-step alkylation of polymeric amines |
11/02/2000 | WO2000065129A1 Method and device for obtaining hydrogen |
11/02/2000 | CA2371170A1 Method and device for obtaining hydrogen |
10/31/2000 | US6139810 Tube and shell reactor with oxygen selective ion transport ceramic reaction tubes |