| Patents for C25B 15 - Operating or servicing of cells (4,262) |
|---|
| 12/12/1991 | WO1991018830A1 Electrochemical production of acid chlorate solutions |
| 12/09/1991 | CA2043256A1 Electrochemical synthesis and simultaneous purification process |
| 12/04/1991 | EP0459961A2 A method of preparing chlorate |
| 11/30/1991 | CA2043182A1 Method of preparing chlorate |
| 11/26/1991 | US5068015 Electrochemical process for the production of chromic acid |
| 11/26/1991 | CA1292438C Control of sulfates in membrane cell chlor-alkali process |
| 11/14/1991 | WO1991017117A1 Process for regulating the flow rate in the electrochemical regeneration of chromic-sulphuric acid |
| 11/13/1991 | EP0455747A1 Harvester for removing a substance from a plate |
| 11/07/1991 | DE4014429A1 Verfahren zur regelung des durchsatzes bei der elektrochemischen regeneration von chromschwefelsaeure A method for regulating the flow rate in the electrochemical regeneration of chromschwefelsaeure |
| 11/05/1991 | US5063041 Evaporation |
| 10/17/1991 | WO1991007525A3 Apparatus for gas generation |
| 10/03/1991 | WO1991015017A1 Deuterium energy accumulation |
| 09/24/1991 | CA1289507C Electrolytic treatment of gravity flow electrolyte with gas diffusion electrode |
| 09/24/1991 | CA1289506C Gravity flow in electrolysis with perforated electrodes |
| 09/18/1991 | EP0302891B1 Method and plant for electrolysis by seeping through one or a plurality of porous voluminal electrodes |
| 09/04/1991 | CN1054230A Process for destroying hypochlorite in solution of chlorate |
| 09/03/1991 | US5045169 Stacked cells |
| 08/28/1991 | EP0443259A1 Solid oxide electrochemical oxygen generator |
| 08/27/1991 | CA1288025C Differential gas pressure control device |
| 08/13/1991 | CA1287596C Production of sodium chlorate |
| 08/06/1991 | US5037518 Apparatus and method for generating hydrogen and oxygen by electrolytic dissociation of water |
| 08/06/1991 | CA2035635A1 Solid oxide electrolyte electrochemical oxygen generator |
| 07/23/1991 | US5034127 Filter assembly for purifying brine |
| 07/23/1991 | US5034110 Pool chlorinators |
| 07/03/1991 | EP0435385A1 Electrolytic cell for gas production comprising a stack of vertical frames |
| 07/02/1991 | US5028302 Purification of chlor-alkali membrane cell brine |
| 06/29/1991 | CA2032000A1 Electrolytic gas generator incorporating a stack of vertical frames |
| 06/26/1991 | EP0433750A1 Process for the preparation of chromic acid |
| 06/26/1991 | EP0433748A1 Process for the preparation of chromic acid |
| 06/17/1991 | CA2032369A1 Process for the preparation of chromic acid |
| 06/17/1991 | CA2032368A1 Process for the preparation of chromic acid |
| 05/30/1991 | WO1991007525A2 Apparatus for gas generation |
| 05/22/1991 | EP0427972A1 Purification of chlor-alkali membrane cell brine |
| 05/14/1991 | US5015345 Measurement of current |
| 04/23/1991 | US5009754 Consumption of hypochlorite values contained in perchlorate solutions of electrolysis |
| 04/17/1991 | EP0422994A1 Apparatus for the production by electrolysis of water of a hydrogen-oxygen gaseous mixture used for feeding an ionisation flame |
| 04/17/1991 | CN2075208U Blackout device for dielectric solution |
| 04/10/1991 | EP0420910A1 Sodium hydrosulfite electrolytic cell process control system |
| 04/02/1991 | US5004527 By electrolysis of alkali metal chlorate which is maintained homogeneous and uniform in composition |
| 03/27/1991 | EP0419052A1 Electrolytic generation of chlorine |
| 03/26/1991 | CA1282029C Restoring current efficiency by temporary suspension of electrolysis and reduced catholyte concentration |
| 03/20/1991 | EP0417647A1 Apparatus and method for generating hydrogen and oxygen by electrolytic dissociation of water |
| 03/20/1991 | CN1050056A Process for manufacture of sodium hydroxide lye |
| 03/19/1991 | CA1281680C Electrolytic cell with electrode material in a non-conducting pipe |
| 03/13/1991 | CN1049874A Process for manufacture of sodium hydroxide lye |
| 02/26/1991 | CA1280714C Electrolytic cell module |
| 02/20/1991 | EP0413385A1 Process for manufacturing a sodium hydroxide caustic solution |
| 02/20/1991 | EP0413384A1 Process for manufacturing a sodium hydoxide caustic solution |
| 02/18/1991 | CA2023412A1 Production process for sodium hydroxide lye |
| 02/18/1991 | CA2023411A1 Production process for sodium hydroxide lye |
| 01/08/1991 | CA1278774C Electrolysis system for the production of peroxy compounds |
| 12/19/1990 | CN1010860B Method for recovering current efficiency |
| 12/12/1990 | CA2005641A1 Methods and systems for generating and collecting fusion fuel material |
| 12/05/1990 | EP0400712A1 Frame for electrolyzer of the filter-press type and electrolyzers of the filter-press type |
| 11/29/1990 | CA2017496A1 Frame for filter-press type electrolyzes and such an electrolyzes |
| 11/14/1990 | EP0397114A1 Preventing crevice corrosion of titanium surfaces |
| 11/13/1990 | US4969981 Cell and method of operating a liquid-gas electrochemical cell |
| 11/07/1990 | EP0396174A1 Process for positioning an anode set in a mercury cathode electrolysis cell wherein chlorine is produced |
| 11/07/1990 | EP0395796A1 Vacuum injection capillary electrophoresis |
| 11/06/1990 | US4968395 Mechanical manipulation |
| 10/16/1990 | US4963241 Electrolytic cell with recirculation means |
| 10/16/1990 | US4963235 Process for treating electrolytic cell products |
| 10/02/1990 | CA1274801A1 Method of stabilizing metal-silica complexes in alkali metal halide brines |
| 09/26/1990 | EP0389263A1 Electrochemical hydrogen separator system for zero gravity water electrolysis |
| 09/19/1990 | EP0387687A1 Process and apparatus for regulating the interpolar distance to compensate the anode burning up in electrolysis cells |
| 09/10/1990 | CA2011769A1 Method and apparatus for adjusting the distance between the poles of electrolysis cells |
| 09/05/1990 | CN1045080A Process for destroying hypochlorites in solution of perchlorate |
| 08/29/1990 | EP0384861A1 Process for destroying hypochlorites in a perchlorate solution |
| 08/29/1990 | EP0384860A1 Process for destroying hypochlorites in a chlorate solution |
| 08/28/1990 | US4952298 Computer control |
| 08/28/1990 | US4952297 Storage, transportation and installation container for ion-exchange membranes |
| 08/22/1990 | CA2010429A1 Process for removing hypochlorites in a perchlorate solution |
| 08/22/1990 | CA2010428A1 Process for removing hypochlorites in a chlorate solution |
| 08/21/1990 | US4950371 Electrochemical hydrogen separator system for zero gravity water electrolysis |
| 08/09/1990 | WO1990008634A1 Harvester for removing a substance from a plate |
| 06/27/1990 | EP0215016B1 Solid compositions based on superoxides, production thereof and electrochemical applications thereof |
| 05/30/1990 | CN1042574A Process for continuous preparation of perchlorate of alkali motal |
| 05/16/1990 | EP0368767A1 Continuous process for manufacturing alkali metal perchlorate |
| 05/10/1990 | DE3837354A1 Method and appliance for safeguarding a high-pressure water electrolysis system |
| 05/02/1990 | CN1007829B Method for removing sulfate from electrolytic brine |
| 05/01/1990 | US4921545 Supported tool strikingly engages manganese dioxide; electrolytic cells |
| 04/18/1990 | CN1041404A Process for cooling of gaseous chlorine |
| 04/05/1990 | DE3932895A1 Pressurised gas generator - with automatically controlled operation, esp. for electrolytic hydrogen prodn. |
| 04/05/1990 | DE3833186A1 Method for controlling a hydrogen electrolysis arrangement |
| 04/03/1990 | US4913779 Pulsating circulation of liquid electrolyte, reversing direction of flow prevents clogging |
| 03/28/1990 | EP0360536A2 Cell and method of operating a liquid-gas electrochemical cell |
| 03/28/1990 | EP0360486A2 Process for cooling of gaseous chlorine |
| 03/28/1990 | CN2055139U 氢气断电器 Hydrogen breaker |
| 03/27/1990 | US4911829 Transportable, elongated supported clamping means |
| 03/07/1990 | EP0356802A2 Electrochemical process for the production of chromic acid |
| 02/20/1990 | US4902397 Electrolytic cell with differential gas pressure control device |
| 02/14/1990 | EP0354227A1 Method for detecting defective ion exchange membranes in monopolar and bipolar electrolyzers. |
| 02/07/1990 | EP0353367A1 Combined process for production of chlorine dioxide and sodium hydroxide |
| 01/23/1990 | US4895635 Novel caustic-chlorine electrochemical cell monitoring apparatus and method |
| 01/09/1990 | US4892636 Portable |
| 12/28/1989 | WO1989012705A1 Sodium hydrosulfite electrolytic cell process control system |
| 11/29/1989 | CN1037553A Process for controlling electrolysis cell |
| 11/29/1989 | CN1005920B Method for prolonging operating life of hydrogen-releasing electrode |
| 09/20/1989 | EP0333556A1 Regulation process of an electrolysis cell |
| 09/19/1989 | CA1259582A1 Process for electrically separating individual electrolyte spaces of a pile of bipolar electrochemical cell |