Patents for C25B 1 - Electrolytic production of inorganic compounds or non-metals (13,948) |
---|
08/03/1999 | US5932085 Chlorine dioxide generation for water treatment |
07/29/1999 | WO1999038215A1 Solar battery module for optical electrolysis device and optical electrolysis device |
07/28/1999 | EP0931855A1 Production of hydrogen from water using photocatalyst-electrolysis hybrid system |
07/28/1999 | EP0670915B1 The production of hydrogen from solar radiation at high efficiency |
07/28/1999 | CN1224082A Film and oxygen reduction cathode electrolyzer stop method |
07/28/1999 | CN1044394C Complex pole type ion-membrane electrolytic device |
07/27/1999 | US5928489 Flowing gas through electrolytic cell comprising inert membrane filled with molten electrolyte mixture of hydrogen halide and alkali metal halide, recovering halide gas product |
07/20/1999 | US5925463 Electrochemical reduction of metal salts as a method of preparing highly dispersed metal colloids and substrate fixed clusters by electrochemical reduction of metal salts |
07/20/1999 | US5925232 Electrochemical generation of product hydride gas, mixing with an amount of diluent gas which is computer monitored and adjusted to maintain predetermined ratio of gases supplied to semiconductor manufacturing apparatus |
07/20/1999 | CA2176791C Electrolytic production process for magnesium and its alloys |
07/15/1999 | WO1999034895A1 Electrolytic process for treating aqueous waste streams |
07/08/1999 | WO1999034033A2 Electrochemical synthesis of metal and semiconductor nitrides |
07/08/1999 | DE19758309A1 Electrolytically produced hydrogen using solar energy |
07/07/1999 | EP0927857A2 Apparatus for separating solar radiation into longer and shorter wavelength components |
07/07/1999 | EP0846194B1 Process for the combined electrochemical production of sodium peroxide disulphate and soda lye |
07/07/1999 | EP0730675B1 Electrochemical conversion of anhydrous hydrogen halide to halogen gas using a cation-transporting membrane |
07/07/1999 | CN2327700Y Chlorine dioxide generator |
07/07/1999 | CN2327699Y Laminated electrolyzing water tank |
07/07/1999 | CN2327698Y Hydrogen and oxygen generator with enhanced cooling |
07/06/1999 | CA2174520C Fluorine cell |
07/01/1999 | DE19858544A1 High purity sodium persulfate is produced using a high current efficiency electrolysis step |
06/30/1999 | CN2326614Y Sodium hypochlorite generator |
06/30/1999 | CN2326613Y Synthermal eletrolytic tank for gold-carrying charcoal desorption electrolytic apparatus |
06/30/1999 | CN2326590Y Oxygen generator for breathing |
06/30/1999 | CN1220969A Process for producing sodium persulfate |
06/29/1999 | US5916505 Improved proton exchange membrane for use in electrochemical cells having internal passages parallel to the membrane surface |
06/29/1999 | CA2103387C Electrolytic production of hydrogen peroxide using bipolar membranes |
06/24/1999 | WO1999031297A1 METHOD FOR ELECTROCHEMICALLY PROCESSING HCl GAS INTO HIGHLY PURE CHLORINE |
06/24/1999 | CA2314491A1 Method for electrochemically processing hcl gas into highly pure chlorine |
06/17/1999 | WO1999029929A1 Apparatus for producing ozone water and method of producing ozone water by using the same apparatus |
06/17/1999 | DE19755636A1 Verfahren zur elektrochemischen Aufarbeitung von HCl-Gas zu hochreinem Chlor Method for electrochemical processing of HCl gas into high-purity chlorine |
06/16/1999 | EP0922789A1 Shut-down process for membrane electrolytic cell with oxygen reducing cathode |
06/16/1999 | CN1219610A Saline electrolysis process |
06/16/1999 | CN1219609A Solid high-molecular electrolyzing module and solid high-molecular electrolyzer using same |
06/10/1999 | WO1999028538A1 Electrolytic cell for the production of fluorine |
06/10/1999 | WO1998040535A8 Electrolytic ozone-generating apparatus and the process for manufacturing the same |
06/09/1999 | EP0871985A4 Heterolamellar photovoltaic films |
06/09/1999 | CN2322979Y Oxygen producer for electrolysis of water |
06/09/1999 | CN1219139A Method and reactor for electrochemical conversion of material e. g. soot particles being insoluble in fluid |
06/08/1999 | US5910237 Process for recovering organic hydroxides from waste solutions |
06/03/1999 | WO1999009234A3 Electrosynthesis of hydroxylammonium salts and hydroxylamine using a mediator, a catalytic film, methods of making the catalytic film, and electrosynthesis of compounds using the catalytic film |
06/02/1999 | EP0919533A1 Electrosynthesis of aromatic quinones |
06/02/1999 | CN2321786Y High-efficiency oxygen generator III |
06/01/1999 | US5908545 Electrochemical process for decomposing hydrogen sulfide to produce hydrogen and sulfur |
05/27/1999 | DE19853458A1 Solid state polymeric electrolysis module for polymeric electrolyzer |
05/25/1999 | CA2254154A1 Electrosynthesis of aromatic quinones |
05/25/1999 | CA2002479C Method for making arsenic acid |
05/19/1999 | EP0916997A1 Method for minimising the aerial oxidation of photographic developers |
05/19/1999 | CN1216784A Chlorine dioxide generation for water treatment |
05/19/1999 | CA2253183A1 Solid polyelectrolytic module and solid polyelectrolytic apparatus using same |
05/18/1999 | US5904823 Methods of purifying hydroxylamine solutions and converting hydroxylamine salts to hydroxylamine |
05/14/1999 | CA2248670A1 Method for minimizing the aerial oxidation of photographic developers |
05/12/1999 | EP0914203A1 A method and a reactor for electrochemical conversion of a material e.g. soot particles being insoluble in a fluid |
05/06/1999 | WO1999022045A1 Electrode of an electrolytic bath for generating fluorine and isotropic carbonaceous block used therefor |
04/28/1999 | EP0911428A1 Process for producing bismuth compounds |
04/28/1999 | EP0789789A4 Electrochemical device for removal and regeneration of oxygen and method |
04/27/1999 | CA2172275C Process for production of acidified process streams |
04/15/1999 | WO1999018262A1 Energy conversion device |
04/15/1999 | CA2339938A1 Energy conversion device |
04/14/1999 | CN2313617Y High safety small size oxygen generator for vehicle and household |
04/14/1999 | CN1213710A Alkaline hydrogen peroxide water solution generator |
04/14/1999 | CN1213709A Non-energy cost water electrolysis hydrogen/oxygen separating generator |
04/08/1999 | WO1999016934A1 Method for the electrolysis of an aqueous saline solution |
04/07/1999 | EP0635072B1 Electrolytic cell assembly and process for production of bromine |
04/07/1999 | CN1042842C Method for prodn. of sodium chlorate by electrolytic salt |
04/06/1999 | US5891319 Method for and apparatus production of carbonyl halide |
04/06/1999 | US5891318 Production of ethylene dichloride by direct chlorination and production of vinyl chloride monomer using chlorine recycle and apparatus |
04/01/1999 | DE19843647A1 Hydrogen halide and oxygen are produced from water and halogen in cell |
03/31/1999 | CN1042720C Process for producing chlorine dioxide |
03/30/1999 | US5888368 Process for manufacturing an aqueous sodium hydroxide solution |
03/30/1999 | US5888361 Apparatus for producing hydrogen and oxygen |
03/30/1999 | CA2130911C Electrolytic cell for generating sterilization solutions having increased ozone content |
03/30/1999 | CA2092238C Decreased sodium sulfate production in chlorine dioxide generation |
03/24/1999 | EP0903425A1 Process for the electrolysis of brine |
03/24/1999 | CN2311495Y Hydrogen mixing agent generator |
03/24/1999 | CN1212029A Production of carbonyl halide |
03/18/1999 | WO1999013131A1 Electrochemical synthesis of cobalt oxyhydroxide |
03/17/1999 | EP0728127B1 Synergistic process for the production of methanol |
03/17/1999 | CN2310770Y Multihole hydrogen oxygen producer |
03/11/1999 | WO1999011840A1 Apparatus for obtaining the anodic oxidation products of a solution of alkaline or alkaline-earth metal chlorides |
03/10/1999 | CN2310079Y No power consumption water electrolyzing hydrogen-oxygen separation generator |
03/10/1999 | CN2310078Y High-efficiency oxygen maker |
03/10/1999 | CN1210153A One-step process of nickle hydroxide electrolysing |
03/09/1999 | US5879522 Closed housing, ion exchange membrane, electroconductive sheet member adjacent membrane, electroconductive particles, source of direct current |
03/03/1999 | CN2309344Y Pressure water electrolytic bath |
03/03/1999 | CN1209848A Electrochemical conversion of anhydrous hydrogen halide to halogen gas using cation-transporting membrane |
03/03/1999 | CN1042354C Electrolytic sterilizing liquid cup |
03/02/1999 | US5876581 Film of iron (III) hexacyanoferrate (II) and process of synthesizing same |
02/25/1999 | WO1999009234A2 Electrosynthesis of hydroxylammonium salts and hydroxylamine using a mediator, a catalytic film, methods of making the catalytic film, and electrosynthesis of compounds using the catalytic film |
02/24/1999 | EP0667983B1 Electrochemical cell with a polymer electrolyte and process for producing these polymer electrolytes |
02/24/1999 | CN1209219A Electroconversion cell |
02/23/1999 | US5873993 Selective electrolysis of feldspar dissolved in fluoride within furnace where carbon dioxide evolved from carbon anode at bottom of the melt floats purified silicon to the melt surface without contamination for recovery |
02/18/1999 | WO1999007919A1 Method and apparatus for generating a gas |
02/18/1999 | WO1999007663A1 Forming terephthalic acid by electrochemical acidification of a sodium terephthalate solution |
02/17/1999 | CN2307799Y Portable concentration chlorine dioxide generator |
02/16/1999 | CA2128898C Methods of producing caustic soda without chlorine |
02/09/1999 | US5868916 Process for recovering organic hydroxides from waste solutions |
02/09/1999 | US5868913 Coating by physical vapor deposition of a mixture of ruthenium oxide, and at least one non-noble metal oxide in a system charged with oxygen and heat treating the coated substrate; improved durability anode for electrolytic cell |
02/09/1999 | US5868912 Electrochemical cell having an oxide growth resistant current distributor |
02/09/1999 | US5868911 Apparatus for generating bromine |