| Patents for C25B 1 - Electrolytic production of inorganic compounds or non-metals (13,948) |
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| 03/03/1992 | US5093089 From chromium species, acidification, crystallization |
| 03/03/1992 | US5092977 Fluoropolymer binder, dispersion of oxyhydroxide gel |
| 03/03/1992 | US5092970 Electrochemical process for producing chlorine dioxide solutions from chlorites |
| 02/26/1992 | CN2097209U Electrolytic tube of generator for sodium hypochlorite |
| 02/25/1992 | CA1296293C Electrolytic cell |
| 02/25/1992 | CA1296292C Electrolytic cell |
| 02/20/1992 | DE4025803A1 Electrolytic hydrogen prodn. appts. - including transmitter to increase hydrogen yield |
| 02/19/1992 | EP0471021A1 Conductive components containing conductive metal oxide |
| 02/18/1992 | US5089095 Electrochemical process for producing chlorine dioxide from chloric acid |
| 02/12/1992 | EP0470761A1 Electrolytic ozone generation |
| 02/12/1992 | EP0470662A1 Process for the fine purification of an aqueous sodium chloride solution for membrane electrolysis |
| 02/12/1992 | EP0470070A1 A submerged electrolytic cell pool purifier. |
| 02/11/1992 | US5087335 Heat exchanging, hydration with aqueous solution |
| 02/11/1992 | US5087334 Recovering and using mother liquors; efficiency, pollution control |
| 02/09/1992 | CA2048516A1 Ozone generation |
| 02/05/1992 | EP0243488B1 Method and apparatus using a solid electrolyte in the form of a disk for the separation or pumping of oxygen |
| 02/04/1992 | US5085754 Cation exchange membrane having high durability with diffusion coating on marginal areas of the membrane |
| 02/04/1992 | US5085752 Nickel electrodes with partition plate separators; nonexplosive |
| 02/04/1992 | CA1295284C Electrolytic cell for alkali metal hydrosulfite solutions |
| 01/29/1992 | CN1058240A Process for separation of sulphate |
| 01/28/1992 | US5084156 Electrolytic cell |
| 01/28/1992 | US5084149 Oxidation of chlorite to produce chlorine-free chlorine dioxid e |
| 01/28/1992 | US5084148 Electrochemical process for producing chloric acid - alkali metal chlorate mixtures |
| 01/28/1992 | CA1294982C Process for the manufacture of o-nitrobenzaldehyde |
| 01/28/1992 | CA1294758C System for the extraction and utilization of oxygen and other ligands from fluids |
| 01/22/1992 | CN1058052A Gas welding machine by electrolysis of water |
| 01/21/1992 | US5082543 Filter press electrolysis cell |
| 01/14/1992 | CA1294240C Electrochemical electrode with electrocatalytic ceramic coating containing dopant |
| 01/09/1992 | WO1991019020A3 Electrochemical synthesis and simultaneous purification process |
| 01/07/1992 | CA1293951C Porous diaphragm for electrochemical cell |
| 01/02/1992 | EP0463438A1 Chromic acid manufacture using bipolar membranes |
| 01/02/1992 | DE4020051A1 Alkali di:chromate and chromic acid prodn. by electrolysis - in multi--compartment cell with bipolar ion exchange membrane to screen anode from chromium cpds. |
| 01/01/1992 | CN1015271B Production of chloric acid |
| 01/01/1992 | CN1015270B Method for production of alkali metal hydroxide |
| 12/25/1991 | CN1015186B Anode of electrolytic water application for welding machine and its processing method |
| 12/24/1991 | US5074975 Electrochemical cogeneration of alkali metal halate and alkaline peroxide solutions |
| 12/24/1991 | US5074974 Ion exchanging |
| 12/18/1991 | CN1015088B Method for stripping and recovery of chromate from chlorate production system by electrolysis |
| 12/12/1991 | WO1991019020A2 Electrochemical synthesis and simultaneous purification process |
| 12/12/1991 | WO1991018830A1 Electrochemical production of acid chlorate solutions |
| 12/11/1991 | CN1056906A Manufacturing two-valence europium by electrolysis reduction |
| 12/10/1991 | US5071522 Process for the preparation of chromic acid |
| 12/09/1991 | CA2043256A1 Electrochemical synthesis and simultaneous purification process |
| 12/04/1991 | EP0459642A1 Electrochemical ion exchange |
| 12/04/1991 | EP0458817A1 Lubricant dispenser with a galvanic cell consisting of anode, cathode and electrolyte for the production of gases. |
| 11/27/1991 | CN1056536A Process for preparing surface lubricating and anticorrosive agent for copper-aluminium sections |
| 11/27/1991 | CA2042751A1 Electrochemical ion exchange |
| 11/26/1991 | US5068015 Electrochemical process for the production of chromic acid |
| 11/20/1991 | CN2089009U Hydrogen and oxygen gas generator |
| 11/19/1991 | US5066378 Diaphragm Monopolar Electrolyzers For Chlor-Alkali Electrolysis |
| 11/15/1991 | WO1991018131A1 Process to produce hydrogen and/or hemihydrate calcium sulphate from calcium sulphite |
| 11/15/1991 | CA2082957A1 Process to produce hydrogen and/or hemihydrate calcium sulphate from calcium sulphite |
| 11/14/1991 | WO1991017117A1 Process for regulating the flow rate in the electrochemical regeneration of chromic-sulphuric acid |
| 11/13/1991 | EP0456050A1 Process for producing chrome yellow and molybdenum orange pigments |
| 11/13/1991 | EP0455747A1 Harvester for removing a substance from a plate |
| 11/12/1991 | US5064514 From hypochlorous acid, electrolytic cell |
| 11/12/1991 | CA1291963C Electrolytic process for manufacturing potassium peroxydiphosphate |
| 11/08/1991 | CA2041864A1 Preparation of chrome yellow and molybdate orange pigments |
| 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 |
| 11/06/1991 | CN1055963A Electrochemical synthesis of h2o2 |
| 11/05/1991 | US5063041 Evaporation |
| 11/05/1991 | US5062930 Electrolytic permanganate generation |
| 11/05/1991 | CA1291788C Sulfur tolerant composite cermet electrodes for solid oxide electrochemical cells |
| 10/30/1991 | CN1014534B Electrodes for use in electrochemical processes and method for preparing the same |
| 10/29/1991 | US5061358 Insoluble anodes for producing manganese dioxide consisting essentially of a titanium-nickel alloy |
| 10/28/1991 | CA2030827A1 Reactor vessel using metal oxide ceramic membranes |
| 10/23/1991 | EP0452679A1 Electrochemical preparation of tin(II)-chloride aqueous solutions |
| 10/22/1991 | CA1291063C Method and apparatus for purification of gold |
| 10/17/1991 | WO1991015614A1 Electrochemical process for production of chloric acid from hypochlorous acid |
| 10/16/1991 | EP0451589A1 Anodes for the electrochemical fluorination and fluorine production and their manufacturing process |
| 10/08/1991 | US5055171 Nonporous solid composite encapsulating metallic electrode |
| 10/03/1991 | WO1991015017A1 Deuterium energy accumulation |
| 10/03/1991 | WO1991014802A1 Electrochemical synthesis of hydrogen peroxide |
| 10/02/1991 | EP0449071A1 Process for the electrochemical separation of alkali-sulphates |
| 10/01/1991 | WO1991015613A1 Apparatus for the production of chloric acid and perchloric acid |
| 10/01/1991 | CA2081370A1 Apparatus for the production of chloric acid and perchloric acid |
| 09/28/1991 | WO1991014649A1 Process to separate dioxygen from a gas mixture |
| 09/28/1991 | CA2056410A1 Process using transition metal complexes to separate dioxygen fro a gas mixture by electrochemical reduction of complexes |
| 09/25/1991 | EP0434686A4 Removal of nitric oxide from waste gases and recovery as nitric acid |
| 09/24/1991 | US5051155 Electrolytic formation of of alkali metal chromates and chromic acid |
| 09/24/1991 | CA2038830A1 Electrolysis of alkali metal sulfates |
| 09/24/1991 | CA1289506C Gravity flow in electrolysis with perforated electrodes |
| 09/22/1991 | CA2037522A1 System for electrolytically generating strong solutions of halogen oxyacids |
| 09/19/1991 | WO1991008609A3 An alternator unit and an engine including the same |
| 09/19/1991 | DE4008612A1 Rotary DC ozoniser discharges evolved gas centrifugally - for use in situ or in separate reaction vessel, absence of valves filters, pump etc. simplifies construction |
| 09/18/1991 | CN1054574A Process for purifying hydrogen fluoride |
| 09/12/1991 | DE4106568A1 Appts. for directly forming dissolved ozone in circulated liq. - holding spaced electrodes emitting spaced AC pulses |
| 09/11/1991 | EP0445516A1 Process and apparatus for the production of silver nitrate |
| 09/11/1991 | EP0417211A4 Conversion of manganate to permanganate |
| 09/10/1991 | US5047132 Apparatus for catalytically reducing dioxygen using dirhodium complexes |
| 09/04/1991 | EP0444138A1 Electrocatalyst, methods for preparing it, electrodes prepared therefrom and methods for using them. |
| 09/04/1991 | CN2084055U Portable medical oxygen producing machine |
| 09/04/1991 | CN1054230A Process for destroying hypochlorite in solution of chlorate |
| 09/03/1991 | WO1991013024A1 Process for purifying hydrogen fluoride |
| 09/03/1991 | US5045170 Lead-acid battery |
| 09/03/1991 | US5045169 Stacked cells |
| 09/03/1991 | US5045162 Process for electrochemically regenerating chromosulfuric acid |
| 09/03/1991 | US5045158 Electrolyte in process for reduction of oxygen |
| 09/03/1991 | CA2076372A1 Process for purifying hydrogen fluoride |
| 08/28/1991 | EP0443259A1 Solid oxide electrochemical oxygen generator |