Patents for C25B 1 - Electrolytic production of inorganic compounds or non-metals (13,948) |
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02/09/1982 | CA1117895A1 Method of reducing chlorate formation in a chlor-alkali electrolytic cell |
02/09/1982 | CA1117716A1 Anionic membranes |
02/02/1982 | US4313813 Lanthanum cobalt oxide disproportionation catalyst |
02/02/1982 | US4313805 Chlorine cell catholyte series flow |
02/02/1982 | US4313804 Process for preparing ceric sulphate |
02/02/1982 | CA1117474A1 Diaphragms for use in the electrolysis of alkali metal chlorides |
02/02/1982 | CA1117469A1 Production of potassium or sodium stannate |
02/02/1982 | CA1117467A1 Preparation of anodes by nickel plating and activation in a nickel sulphate and thiosulphate bath |
01/27/1982 | EP0044782A1 Process for degassing and recycling electrolyte in an electrolyser for producing gas |
01/27/1982 | EP0044472A1 A separator electrolytic cell providing glove-shaped membranes |
01/27/1982 | EP0044471A1 A separator electrolytic cell |
01/26/1982 | US4312738 Cathode electrocatalysts for solid polymer electrolyte chlor-alkali cells |
01/26/1982 | US4312736 Polymeric solid electrolyte |
01/26/1982 | US4312722 Electrolytic reduction of nitrates in cell having cation exchange separator membrane |
01/26/1982 | US4312721 Converting cerous ion to ceric ion in presence of cobalt compound |
01/26/1982 | US4312720 Minimization of corrosion and bipolar effects as diaphragm support |
01/26/1982 | US4312718 Method for producing fluorine |
01/20/1982 | EP0043818A1 Method of and apparatus for active electrochemical water and similar environmental contaminant elimination in semiconductor and other electronic and electrical devices and the like |
01/19/1982 | US4311569 Device for evolution of oxygen with ternary electrocatalysts containing valve metals |
01/19/1982 | US4311567 Treatment of permionic membrane |
01/12/1982 | US4310405 Device for the photoelectrochemical generation of hydrogen at p-type semiconductor electrodes |
01/12/1982 | US4310394 Process for preparing peroxydisulfates of alkali metals and ammonium |
01/05/1982 | CA1115655A1 Process for electrolysis of sodium chloride |
01/05/1982 | CA1115605A1 Method of preparing active electrodes and use thereof in electrochemical cells |
12/29/1981 | US4308124 Apparatus for electrolytic production of alkali metal hypohalite |
12/29/1981 | US4308117 Water treatment |
12/29/1981 | CA1115234A1 Process for electrolysis of alkali halide |
12/29/1981 | CA1115063A1 Method for recuperating purified mercury from metal contaminant lades mercury or mercury butters |
12/22/1981 | US4306950 Process for forming sulfuric acid |
12/22/1981 | CA1114778A1 Method of manufacturing permeable diaphragms for electrolytic cells |
12/16/1981 | EP0041819A2 Removal of nitrous material from nitric acid streams |
12/16/1981 | EP0041734A1 Improved composite ion exchange membranes |
12/16/1981 | EP0041733A1 Improved sulfonic acid electrolytic cell membranes |
12/16/1981 | EP0041732A1 Electrolytic cell having an improved ion exchange membrane and process for operating |
12/15/1981 | US4305794 Photochemical electrode |
12/15/1981 | US4305793 Method of concentrating alkali metal hydroxide in hybrid cells having cation selective membranes |
12/15/1981 | CA1114330A1 Process for preparation basic aluminum chlorides |
12/15/1981 | CA1114329A1 Process for producing sodium hypochlorite |
12/09/1981 | EP0041365A1 Improved electrolytic process for the production of ozone |
12/08/1981 | US4304645 Process for removing helium and other impurities from a mixture containing deuterium and tritium, and a deuterium/tritium mixture when purified in accordance with such a process |
12/08/1981 | US4304643 Process for the electrolysis of sulfur dioxide solutions |
12/08/1981 | CA1113801A1 Electrodes containing nickel alloys as electrocatalysts |
12/02/1981 | EP0040920A1 Monopolar electrolytic cell of the filter press type |
12/01/1981 | US4303491 Apparatus for cleaning the bottom of electrolytic mercury cathode cells |
12/01/1981 | CA1113421A1 Electrolysis in a cell employing uniform membrane spacing actuated by pressure |
11/26/1981 | WO1981003346A1 Separation of hydrogen sulfide from fluid streams |
11/24/1981 | CA1113037A1 Slotted pair of anode plates with spaces and spacing studs |
11/24/1981 | CA1112845A1 Destruction of sodium hypochlorite in solutions from a chlorate electrolytic cell |
11/18/1981 | EP0040031A1 Anode catalyst and generation of oxygen |
11/18/1981 | EP0039897A1 Improved process for fusion bonding of fluorocarbon type polymers |
11/18/1981 | EP0039873A2 Method of producing metals and semimetals by cathodic dissolution of their compounds in electrolytic cells, and metals and metalloids produced |
11/18/1981 | EP0039745A1 Process for the simultaneous production of hydrogen and sulfuric acid or sulfates from sulfur and water |
11/17/1981 | US4300987 Gas extraction |
11/17/1981 | CA1112599A1 Specific recovery process for chlorine and carbon dioxide in gaseous mixtures |
11/12/1981 | WO1981003186A1 Halogen evolution with improved anode catalyst |
11/12/1981 | WO1981003185A1 Anode catalysts for electrodes |
11/11/1981 | EP0039608A1 Halogen evolution with improved anode catalyst |
11/11/1981 | EP0039547A1 Halogenation process using a halide carrier and process for regeneration of the halide carrier |
11/10/1981 | US4299682 Having a porous layer made by decomposing a group eight salt of a carboxylic acid |
11/10/1981 | US4299675 Process for electrolyzing an alkali metal halide |
11/10/1981 | CA1112208A1 Cell connector for bipolar electrolyzer |
11/04/1981 | EP0039189A1 Process for producing alkali metal hydroxide |
11/04/1981 | EP0039171A2 A method for the electrolysis of an aqueous solution of an alkali metal chloride and an electrolytic cell therefor |
11/04/1981 | EP0039135A2 Production of ammonium metatungstate |
11/03/1981 | US4298587 Electrolysis of metal fluoride to form silicon fluoride at silicon anode followed by reaction with metal |
11/03/1981 | US4298447 Deposits of crystalline iron adhering to the cathode surface; efficiency |
10/27/1981 | US4297194 Electrolytic cell having a dimensionally-stable anode, metal cathode, and separator of a semipermeable fluoropolymeric ion-exchange resin |
10/27/1981 | US4297182 Production of alkali metal hydroxide |
10/27/1981 | US4297174 Dissolving in an alkali metal sulfate bath to obtain plutonium oxide; electrodeposition of uranium oxide |
10/27/1981 | CA1111371A1 Halogen production in electrolytic cell with particulate catalytic electrodes bonded to membrane |
10/20/1981 | US4295951 Film-coated cathodes for halate cells |
10/20/1981 | US4295950 Micro-porous cathode filled with sodium amalgam |
10/20/1981 | US4295945 Process for the production of liquid chlorine |
10/20/1981 | US4295944 To produce the alkali metal hydroxide, using a cation exchange resin |
10/20/1981 | US4295943 Process for the electrolytic production of manganese dioxide |
10/20/1981 | US4295942 Process for preparing manganese oxide |
10/20/1981 | CA1111000A1 Separator-electrode unit for electrolytic cells |
10/13/1981 | US4294815 Process of producing chlorine dioxide and, if desired, chlorine |
10/13/1981 | US4294683 Production of hydrogen and oxygen from water |
10/13/1981 | US4294677 Method for electrodepositing a protein onto an ion-exchange membrane |
10/13/1981 | US4294671 High temperature and low feed acid concentration operation of HCl electrolyzer having unitary membrane electrode structure |
10/13/1981 | CA1110579A1 Electrolyzer |
10/06/1981 | US4293395 Process for electrolysis of an aqueous alkali metal chloride solution |
09/30/1981 | EP0036709A2 Process for manufacturing a polychelate coating and electrode coated therewith |
09/29/1981 | US4292159 Plating the cathode with iron from an iron-ion generator |
09/29/1981 | US4292146 Porous polyfluoroalkylene sheet useful for separating anolyte from catholyte in electrolytic cells |
09/29/1981 | US4292145 High-temperature electrolysis of a molten electrolytic salt bath containing dissolved silica; high purity |
09/22/1981 | US4290864 Electrolysis of alkali metal dichromates |
09/22/1981 | US4290863 Process for electrolysis of brine by mercury cathodes |
09/22/1981 | CA1109416A1 Decomposition of alkali metal amalgams |
09/16/1981 | EP0035837A1 Use of particles comprising alpha-iron in alkali metal halide electrolysis, cathodes for such use and process for their preparation, electrolytic cell and method of operating same |
09/15/1981 | US4289591 Solid solution of manganese oxide in ruthenium oxide |
09/15/1981 | CA1109019A1 Chlorate cell construction |
09/15/1981 | CA1109018A1 Method for concentrating aqueous caustic alkali solution |
09/15/1981 | CA1108823A1 Separation of hydrogen sulfide from fluid streams |
09/09/1981 | EP0035128A1 Process for concentrating a low-percentage caustic soda solution |
09/09/1981 | EP0035017A1 Catalytically active anode |
09/08/1981 | US4288301 Method of forming hydrogen |
09/03/1981 | WO1981002432A1 Process for manufacturing a polychelate coating |
09/02/1981 | EP0034855A1 Process for electrolysing an aqueous alkali-metal halogenide solution in a mercury-cathode cell |