Patents for C25B 1 - Electrolytic production of inorganic compounds or non-metals (13,948)
07/2000
07/13/2000CA2321517A1 Gaseous diffusion electrode and use in catalysed electrochemical processes
07/12/2000EP1018486A1 Method for producing polysulfide by electrolytic oxidation
07/12/2000CN1259590A Hydrogen-oxygen fuel generator, its structure and use
07/12/2000CN1054404C Cation exchange membrane for electrolysis and process for producing potassium hydroxide of high purity
07/06/2000WO2000039363A1 Integral screen/frame assembly for an electrochemical cell
07/06/2000WO2000039362A2 Means of maintaining compression of the active area in an electrochemical cell
07/06/2000CA2357630A1 Integral screen/frame assembly for an electrochemical cell
07/05/2000EP1016737A1 Electrolysis cell for generation of gas
07/05/2000EP1016152A1 Lithium recovery and purification
07/05/2000CN2386049Y Three-chamber electrolytic bath
07/05/2000CN1258762A Water-electrolyzing hydrogen generator
06/2000
06/29/2000WO2000037714A1 High discharge capacity electrolytic manganese dioxide and methods of producing the same
06/28/2000CN2384951Y 电化学氧气发生器 The electrochemical oxygen generator
06/27/2000US6080298 Method for electrolysing a brine
06/27/2000US6080297 Method and apparatus for constant composition delivery of hydride gases for semiconductor processing
06/27/2000CA2185531C Oxygen supply and removal apparatus
06/27/2000CA2174713C Removal of trace metal and metalloid species from brine
06/22/2000WO2000036185A2 Electrolytic production of silver salts
06/22/2000WO2000035813A1 Microorganism control of point-of-use potable water sources
06/22/2000CA2355769A1 Microorganism control of point-of-use potable water sources
06/21/2000CN2383849Y Open type electrolyzer for oxyhydrogen welding-cutting machine
06/21/2000CN1257555A Electrolysis of alkali metal halide brines using oxygen cathode systems
06/14/2000EP1007765A1 Method and apparatus for generating a gas
06/14/2000EP0975822A4 Direct current hydrogen generator, system and method
06/14/2000CN2382725Y Device for producing hydrogen and oxygen by electrolyzing water
06/14/2000CN2382413Y Generator for sterilizing liquid
06/14/2000CN1053477C Environment protection type hydrogen-oxygen machine for vehicle
06/08/2000WO2000032845A1 Electrolytic diaphragm cell
06/07/2000EP1005579A1 Electrochemical synthesis of cobalt oxyhydroxide
06/07/2000CN1053234C Diaphragm for chloride alkaly eledtrolytic tank and its mfg. method
06/07/2000CN1053166C Electrolytic water producing appts.
05/2000
05/31/2000EP0807322B1 An electrochemical energy conversion and storage system
05/31/2000CN1254769A Diaphragm and cathode assembly integrated body for chlorine-alkali electrolyzer
05/30/2000CA2049014C Method of separating dinitrogen pentoxide from its solution in nitric acid
05/24/2000CN2379485Y Chlorine dioxide generator
05/24/2000CN1052764C Method and device for preparing silicon collosol by electrolytic electrodialysis
05/23/2000US6066248 Process for aqueous HCl electrolysis with thin film electrodes
05/17/2000EP0632746B1 Electrolytic cell for generating sterilization solutions having increased ozone content
05/17/2000CN2378400Y Multipole type ionic membrane cells
05/17/2000CN1052514C Electrolysis cell having porous diaphragm for production of chlor-alkali and process using same
05/16/2000US6063258 Production of hydrogen from water using photocatalyst-electrolysis hybrid system
05/16/2000US6063255 Electrolysis of potassium fluoride
05/10/2000EP0999294A1 Bipolar metal electrode and electrolyser therewith
05/10/2000EP0876335B1 Production of isocyanate using chlorine recycle
05/10/2000CN2377256Y Hydrogen producer
05/10/2000CN1052267C Processf or electrolytic manganese dioxide
05/03/2000CN2376477Y Automatic water adding device for oxyhydrogen generator
05/03/2000CN1052038C Preparation of stable graphite cathodes for electrolysis
05/03/2000CN1052037C Fluorine cell and its anodes
04/2000
04/26/2000CN2375642Y Hydrogen generator by electrolysis of water
04/25/2000US6054025 Multilayer elements in stacks
04/20/2000WO2000022240A1 Soil resisting device for structure in contact with seawater
04/20/2000DE19846258A1 Production of chlorine dioxide useful for treatment and sterilization of water, e.g. drinking water or swimming pool water, involves electrolytic treatment of chlorine compound
04/19/2000EP0994074A2 Device and process for the anodic oxidation of aqueous solutions, electrode therefore and process for its manufacture
04/19/2000CN1251209A Solar battery module for optical electrolysis device and optical electrolysis device
04/18/2000US6051125 Supplying natural gas to anode side of electrolyzer to lower electricity consumption by either providing an auxilliary source of hydrogen resulting from syngas formation and then water-shifting or by burning out oxygen by-product on anode
04/18/2000CA2162471C Chlorine dioxide generation for water treatment
04/13/2000DE19842396A1 Electrically-conductive diamond layer forming electrode for electrochemical generation of ozone and ultra-pure water
04/05/2000CN1249361A Apparatus and method for electrochemically producing oxygen with air cathode
04/04/2000US6045684 Separating the sea water into an alkaline aqueous solution and an acidic aqueous solution; adding alkaline solution to brine and electrolyzing while adding oxygen to produce an aqueous solution of hydrogen peroxide; on site; pollution control
03/2000
03/30/2000WO2000017418A1 Natural gas-assisted steam electrolyzer
03/30/2000CA2345070A1 Natural gas-assisted steam electrolyzer
03/29/2000CN1050866C Process for separating sulphate in mother solution of electrolytic producing chlorate and process for producing sodium chlorate
03/28/2000US6042702 Electrochemical cell having a current distributor comprising a conductive polymer composite material
03/22/2000CN2369688Y Generator for sodium hypochlorite sterilizing liquid
03/16/2000WO2000014303A1 Apparatus for electrolytic generation of gas
03/16/2000WO2000014302A1 Electrochemical production of amorphous or crystalline metal oxides with particle sizes in the nanometer range
03/15/2000CN1247481A Process for recovering organic hydroxides from waste solutions
03/14/2000US6036840 Method and a reactor for electrochemical conversion of a material e.g. soot particles being insoluble in a fluid
03/09/2000WO2000013193A1 Medical devices incorporating at least one element made from a plurality of twisted and drawn wires
03/09/2000WO2000013192A1 Medical devices incorporating at least one element made from a plurality of twisted and drawn wires at least one of the wires being a nickel-titanium alloy wire
03/09/2000WO2000012780A1 Electrolyzer
03/09/2000DE19840842A1 Elektrochemische Herstellung amorpher oder kristalliner Metalloxide mit Teilchengrößen im Nanometerbereich Electrochemical production of amorphous or crystalline metal oxides with particle sizes in the nanometer range
03/07/2000US6033636 Method of recovering uranium and transuranic elements from spent nuclear fuel
03/07/2000US6033549 Method of electrolysis
03/02/2000WO2000011242A1 Soda electrolytic cell provided with gas diffusion electrode
03/02/2000DE19826467A1 Electrochemical production of magnesium peroxodisulfate used as active ingredient in oxidation agents and in disinfectants is carried out using magnesium sulfate as anolyte and sulfuric acid as catholyte
03/01/2000EP0982780A1 Solar battery module for optical electrolysis device and optical electrolysis device
03/01/2000CN1049928C Electrolytic precipitation separation method for metal hydroxide
02/2000
02/23/2000CN2365232Y Multiple unit chlorine dioxide generator
02/23/2000CN2365231Y Hydrogen-energy generator
02/16/2000EP0979318A1 Electrolysis of alkali metal halide brines using oxygen cathode systems
02/16/2000EP0979134A1 Improvements in and relating to gas generators
02/16/2000EP0979131A1 Large capacity acid or base generator and method of use
02/15/2000US6025084 Electrochemical cell having gas flow channels surrounded by solid electrolyte and interconnecter
02/15/2000US6024855 Electrosynthesis of hydroxylammonium salts and hydroxylamine using a mediator
02/15/2000CA2164470C Electrochemical process for the preparation of transition metal and phosphine-containing catalysts
02/15/2000CA2121628C Process for the production of alkali metal chlorate
02/09/2000EP0866890B1 Process for direct electrochemical gaseous phase phosgene synthesis
02/09/2000CN1049256C Method of preparing alkali-metal peroxide solutions
02/09/2000CN1049255C Electrolytic production of hydrogen peroxide using bipolar membrances
02/02/2000EP0975822A1 Direct current hydrogen generator, system and method
02/02/2000CN2361641Y Tiselius cell for producing acid-base
02/02/2000CN1243552A Wall-covering for electrolytic cells
02/01/2000CA2143448C Electrolysis apparatus for producing hydrogen
01/2000
01/26/2000EP0974680A1 Process for the electrolytic production of cyanide in nitrocarburizing molten baths
01/19/2000EP0972855A1 Method and apparatus for ammonia synthesis at atmospheric pressure
01/19/2000CN2359297Y High-efficient chlorine dioxide generator by electrolytic method
01/19/2000CN2359296Y Oxyhydrogen gas generator
01/19/2000CN1241648A Preparation of zinc sulfide and hydrogen from hydrogen sulfide