Patents for C25B 15 - Operating or servicing of cells (4,262)
01/1995
01/31/1995US5385657 Apparatus for the gasification of water
01/25/1995EP0635072A1 Electrolytic cell assembly and process for production of bromine
01/25/1995EP0604664A4 Method for obtaining aluminium and other metals.
01/21/1995CA2127741A1 Jumper switch means for electrolyzers electrically connected in series
01/11/1995EP0632746A1 Electrolytic cell for generating sterilization solutions having increased ozone content
01/03/1995US5378324 Process and an electrolytic cell for the production of fluorine
12/1994
12/07/1994EP0627501A2 Improved chlor-alkali electrolysis process carried out in cells provided with porous asbestos diaphragms
11/1994
11/30/1994CN1095768A Improved chlor-alkali electrolysis process carried out in gells provided with porous asbestos diaphr agms
11/24/1994WO1994026956A1 'tes' - the turbo electrochemical system
11/23/1994EP0625591A2 Electrolyzer
11/17/1994EP0532691B1 Electrolytic cell heads comprised of bulk polymerized cycloolefin monomers
11/08/1994US5362368 Chlorine generator
11/01/1994US5360526 Electrolytic cell
10/1994
10/27/1994WO1994024336A1 Method of preparing alkali-metal peroxide solutions
10/27/1994CA2160162A1 Process of preparing alkali peroxide solutions
09/1994
09/29/1994WO1994021844A1 Electrolytic producer apparatus
09/29/1994CA2158068A1 Hydrogen/oxygen gas producer using an electrolysis process which is to incorporate a novel computer electronic system
09/27/1994US5350495 Method for separating impurities from an aqueous alkali metal chlorate electrolyte
09/13/1994CA1331964C Modular electrolytic cell and processing apparatus
09/06/1994US5344540 Electrochemical cell with degassing device
09/05/1994CA2116705A1 Electrolytic apparatus for generating specific concentrations of h2 gas in a flowing gas stream
08/1994
08/31/1994EP0612865A1 Chlor-alkali diaphragm electrolysis process and relevant cell
08/24/1994EP0611835A2 Electrolytic cell with gas electrodes and method for electrolysis by the same
08/24/1994EP0611401A1 Electrochemical cell
08/24/1994EP0527794B1 Process for regulating the flow rate in the electrochemical regeneration of chromic-sulphuric acid
08/19/1994CA2114909A1 Electrolytic cell with gas electrodes and method for electrolysis by the same
08/18/1994DE4311665C1 Method for preparing alkali metal peroxide solutions
08/17/1994CN1090892A Improved chlor-alkali diaphragm electrolysis process and relevant cell
08/13/1994CA2114758A1 Chlor-alkali diaphragm electrolysis process and relevant cell
08/10/1994EP0609839A2 Method for electrolyzing an alkali metal chloride
08/03/1994CN1090340A Cell
07/1994
07/27/1994EP0608087A2 Dehydration of fluoride mixtures
07/27/1994EP0608028A1 Electrolyzer for gas generation
07/26/1994CA1330964C Production of chlorine dioxide in an electrolytic cell
07/23/1994CA2113971A1 Electrolyzer for generating a gas
07/20/1994CA2113707A1 Dehydration of mixtures
07/06/1994EP0604664A1 Method for obtaining aluminium and other metals
07/05/1994US5326445 Vacuum injection capillary electrophoresis
06/1994
06/21/1994US5322604 Electrolytic cell and electrodes therefor
06/15/1994EP0601604A1 Method for electrolyzing aqueous solution of alkali chloride
06/01/1994EP0599363A1 Cell
05/1994
05/31/1994US5316740 Electrolytic cell for generating sterilization solutions having increased ozone content
05/24/1994US5314591 Stack of pairs of electrode sheets having opposed recesses and projections that are in a nesting relationship with each other; gas-liquid separation chamber
05/24/1994CA2103216A1 Cell
05/11/1994WO1994010359A1 Electrolytic cell design and electrodes therefor
05/11/1994CA2148239A1 Electrolytic cell design and electrodes therefor
04/1994
04/26/1994US5306574 Feeding hot fuel gas to the exterior of electrode and hot oxidant gas to inside of interior electrode; electrolysis; ionization
04/13/1994EP0591293A1 Electrolytic cell and capillary slit electrode for gas-developing or gas-consuming electrolytic reactions and electrolysis process therefor.
04/12/1994US5302268 Electrolytic apparatus for generating selected concentrations of gas in a flowing gas stream
04/06/1994EP0590260A1 Process for catalytically activating a cathode
04/06/1994EP0354227B1 Method for detecting defective ion exchange membranes in monopolar and bipolar electrolyzers
04/06/1994CN1084824A Process for the purification of an aqueous solution of alkali metal chloride to remove iodine
04/02/1994CA2107442A1 Method for the catalytic activation of a cathode
03/1994
03/30/1994EP0589501A2 Process for the production of alkali metal hydroxides and elemental sulfur from sulfur-containing alkali-metal salts
03/30/1994CN1084584A Process for the manufacture of an alkali metal chlorate and device for the implementation thereof
03/23/1994EP0587703A1 Electrolysis cell for gas-emitting or gas-dissipating electrolytic processes and process for running the electrolysis cell.
03/22/1994US5296121 Ruthenium oxide coatings on pipes with shunt currents
03/17/1994WO1994005832A1 Feeding system of electrolysis liquid for pressurized electrolysis apparatus used in producing hydrogen
03/17/1994WO1994005831A1 Procedure for controlling pressure in electrolysis apparatus and electrolysis apparatus for producing hydrogen and oxygen
03/17/1994WO1994005830A1 Electrolysis apparatus for producing hydrogen
03/03/1994WO1994004720A1 Electrolytic oxidizer
03/03/1994WO1994004719A1 Target electrode for preventing corrosion in electrochemical cells
03/02/1994EP0585207A1 Method for the operation of electrolytic baths
03/02/1994CN1083130A Electric tank and capillary gap electrode for gas producing and gas comsumpting cell reaction and electrolysis
03/01/1994US5290406 Method for producing ozone
02/1994
02/26/1994CA2104746A1 Process for the production of alkali metal hydroxides and elemental sulfur from sulfur-containing alkali metal salts
02/22/1994US5288383 Method and apparatus for adjusting the distance between the poles of electrolysis cells
02/22/1994CA2104274A1 Method for the operation of electrolytic baths
01/1994
01/18/1994US5279717 Process for removing chlorate salt from aqueous alkali chloride solution
01/11/1994US5277768 Membrane cell washing
12/1993
12/29/1993EP0576335A1 Process for purification of aqueous alkali metal chloride solution for removal of iodine
12/07/1993CA1324976C Combined process for production of chlorine dioxide and sodium hydroxide
11/1993
11/24/1993EP0571273A1 Process for the production of alkali metal chlorate and apparatus therefor
11/21/1993CA2096588A1 Process for the production of alkali metal chlorate and device therefor
11/16/1993US5262250 Fuel cell, controlling wetness of solid electrolyte
11/11/1993WO1993022477A1 Electrolytic cell assembly and process for production of bromine
11/03/1993EP0568071A1 Electrolytic cell
11/02/1993US5258104 Direct electrochemical reduction of catholyte at a liquid metal cathode
10/1993
10/26/1993US5256261 Decreased voltage requirements by operating cell with catholyte temperature in excess of anolyte temperature
10/20/1993EP0565962A2 Electrolysis method using polymer additive for membrane cell operation
10/19/1993US5254226 Electrolytic cell assembly and process for production of bromine
10/13/1993EP0565330A1 A process and an electrolytic cell for the production of fluorine
10/05/1993CA2093299A1 Process and an electrolytic cell for the production of fluorine
09/1993
09/30/1993WO1993018854A1 Electrolytic cell for generating sterilization solutions having increased ozone content
09/29/1993EP0561967A1 Energy/matter conversion methods and structures
09/15/1993EP0560316A2 Method for producing alkaline metal hydroxide
09/08/1993EP0558900A2 Apparatus for electrolytic production of hydrogen from water
09/07/1993US5242564 Device for removal of gas-liquid mixtures from electrolysis cells
09/01/1993CN1021962C Process for destroying hypochlorites in solution of perchlorate
09/01/1993CN1021961C Process for destroying hypochlorite in solution of chlorate
08/1993
08/04/1993EP0553398A1 Electrochemical cell with degassing device
08/04/1993CN1074954A Electrochemical cell
07/1993
07/30/1993CA2082005A1 Electrochemical cell with degassing device
07/22/1993DE4201033A1 Aerosol sepn. from gas esp. hydrogen@ or oxygen@ stream from water electrolysis - in which supply pipe is surrounded by tube which forms bubble column space and separates space from scrubbing liq. outlet region
07/08/1993WO1993011281A3 Electrochemical cell
06/1993
06/10/1993WO1993011281A2 Electrochemical cell
06/10/1993CA2124318A1 Electrochemical cell
06/09/1993EP0544686A1 Chlorine dioxide generation from chloric acid.
06/08/1993US5217507 Container system
06/08/1993CA1318880C Process of producing alkali hydroxide, chlorine and hydrogen by the electrolysis of an aqueous alkali chloride solution in a membrane cell
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