Patents for C25B 1 - Electrolytic production of inorganic compounds or non-metals (13,948)
02/1983
02/22/1983US4374711 Process for the electrolysis of an aqueous sodium chloride solution comprising, in combination, a diaphragm process and a cation exchange membrane process
02/22/1983CA1141697A1 Hydrogen gas generation utilizing a bromide electrolyte and radiant energy
02/22/1983CA1141696A1 Electrolysis of aqueous solution of sodium chloride
02/15/1983CA1141336A1 Electrolyzer cell
02/15/1983CA1141333A1 Method and apparatus for installation of a membrane to an electrolytic cell
02/15/1983CA1141331A1 Electrolytic halogen generators
02/15/1983CA1141327A1 Plating low overvoltage metal ions on cathode in membrane electrolytic cell
02/15/1983CA1141326A2 Forming silver halide grains using conductive polymer in electrolyte
02/15/1983CA1141325A2 Forming silver halide grains with cathode of elemental halogen and carbon
02/15/1983CA1141117A1 Inorganic anisotropic hollow fibers
02/08/1983US4372828 Oxidation
02/08/1983CA1140894A1 Apparatus for electrolyzing an aqueous solution
02/08/1983CA1140891A1 Electrolytic cell with membrane and electrodes bonded to it having outward projections
02/01/1983US4371505 Extraction, redox systems
02/01/1983US4371431 Photoelectrochemical generation of thallium(III)
01/1983
01/25/1983US4370284 Non-bleeding electrode
01/25/1983US4370209 Electrolytic process including recovery and condensation of high pressure chlorine gas
01/25/1983US4370208 Electrolytic process of an aqueous alkali metal halide solution and electrolytic cell
01/25/1983US4370207 Process of electrolytically producing oxyacids of chlorine
01/25/1983CA1140075A1 Electrolytic process for producing alkali chlorates
01/12/1983EP0069504A2 Improved operation and regeneration of permselective ion-exchange membrane in brine electrolysis cells
01/11/1983US4368109 Electrolytic cell with inter-electrode spacer means
01/11/1983CA1139265A1 Device for recuperation of alkaline chloride electrolysis gases
01/11/1983CA1139263A1 Method for producing shaped articles by electrodepositional shaping from fibrous substance having electrophoretic property and apparatus for same
01/11/1983CA1139083A1 Method and apparatus for forming nitric oxide from ammonia
01/06/1983WO1983000052A1 Improved operation and regeneration of permselective ion-exchange membranes in brine electrolysis cells
01/05/1983EP0068634A1 A process of making iron (III) hexacyanoferrate (II) and to iron (III) hexacyanoferrate (II) made thereby
01/05/1983EP0068522A1 Process and apparatus for the synthetic preparation of ozone by electrolysis, and its application
01/05/1983EP0068226A1 Diaphragm for water electrolysis
01/04/1983US4367126 Process for producing alkali metal hydroxide
12/1982
12/29/1982EP0067975A2 Method for water electrolysis
12/28/1982US4366037 Method of increasing useful life expectancy of microporous separators
12/22/1982EP0067529A2 Method of inhibiting formation of and breaking of mercury butter in chlor-alkali cells
12/21/1982US4365011 Process for preparing pieces composed of solid electrolyte based on stabilized zircon and to pieces obtained by this process
12/21/1982US4364815 Solid polymer electrolyte chlor-alkali process and electrolytic cell
12/21/1982US4364811 Electrodes for electrolytic cells
12/21/1982US4364805 Blowing oxygen through; reduction of voltage required
12/21/1982CA1137919A1 Chromic acid production process using a three-compartment cell
12/15/1982EP0066663A1 Electrolytic cell for producing hydrogen peroxide in an alkaline medium
12/14/1982US4363713 Electrolytic halogen generators
12/07/1982CA1137024A1 Method and apparatus for controlling anode ph in membrane chlor-alkali cells
12/07/1982CA1137023A1 Production of alkali metal carbonate in a membrane cell having a contiguous membrane-cathode configuration
12/07/1982CA1137022A1 Electrolysis of alkali metal halides in cell with electrodes bonded to polymer membrane
12/01/1982EP0065547A1 Permselective fluoropolymeric membrane and method of its production.
11/1982
11/30/1982US4361471 Electrolytic swimming pool chlorination
11/23/1982US4360416 Anode catalysts for electrolysis of brine
11/23/1982US4360412 Treatment of permionic membrane
11/17/1982EP0064850A2 Solar energy converter
11/10/1982EP0064417A1 An electrochemical cell and methods of carrying out electrochemical reactions
11/10/1982EP0064389A1 Composite membrane/electrode, electrochemical cell and electrolysis process
11/10/1982EP0064185A2 Apparatus for electrolytical production of alkaline chlorate
11/10/1982EP0064154A1 Method of preparing blue iron-hexacyanoferrate-III pigments
11/09/1982US4358545 Sulfonic acid electrolytic cell having flourinated polymer membrane with hydration product less than 22,000
11/09/1982US4358475 Method of preparing active electrodes
11/09/1982CA1135213A1 Cathodic dissolution of cobaltic hydroxide
11/02/1982US4357224 Energy efficient electrolyzer for the production of hydrogen
11/02/1982US4357218 Cation exchange membrane and use thereof in the electrolysis of sodium chloride
11/02/1982US4357217 Three compartment electrolytic cell method for producing hydrogen peroxide
10/1982
10/27/1982EP0063420A1 Electrolyzers for the production of hydrogen
10/26/1982US4356231 Porous oxide diaphragm for alkaline electrolyses, and manufacture thereof
10/26/1982US4356076 Apparatus for the anodic oxidation of aluminum
10/26/1982US4356068 Permionic membrane
10/19/1982US4354958 Fibrillated matrix active layer for an electrode
10/19/1982US4354905 Method for the electrolysis of an aqueous solution of an alkali metal chloride and an anode therefor
10/19/1982CA1133982A1 Transference and purification of halogen and hydrohalic acid in an electrochemical system
10/13/1982EP0062451A2 Membrane cell brine feed
10/13/1982EP0062035A1 Hydrogen gas generation utilizing a bromide electrolyte, a boron phosphide semiconductor and radiant energy.
10/12/1982CA1133419A1 Electrolyte series flow in electrolytic chlor-alkali cells
10/05/1982US4352722 Integrated photovoltaic electrolytic cell
09/1982
09/28/1982CA1132481A1 Process for electrolysis of sodium chloride by use of cation exchange membrane
09/28/1982CA1132480A1 Electrolytic production of chlorine and caustic soda
09/21/1982US4350608 Oxygen cathode for alkali-halide electrolysis and method of making same
09/21/1982US4350576 Method of producing a graphite intercalation compound
09/21/1982US4350575 Method for preparing an aqueous treatment solution containing at least hydrogen peroxide ions and hydroxyl ions in predetermined concentrations
09/21/1982CA1132097A1 Electrolyte cell membrane of polyantimonic acid and organic binder
09/21/1982CA1132096A1 Electrolytic cell
09/21/1982CA1132092A1 Treatment of sulfuric acid leach solution containing ferric ions in diaphragm cell
09/15/1982EP0059854A1 Cathode and electrolysis
09/14/1982US4349514 Process for recovery of reusable chromic acid from the waste chromic acid solution containing impurities
09/14/1982US4349422 Electrolysis process
09/07/1982CA1131169A1 Electrolysis cell for water dissolution
09/07/1982CA1131166A1 Method and an apparatus for electrodepositing a protein onto an ion-exchange membrane
09/01/1982EP0058832A2 Electrode
09/01/1982EP0058784A1 Process for the continuous production of nitrogen oxide (NO)
08/1982
08/31/1982CA1130760A1 Electrode with sintered coating of group viii metal
08/25/1982EP0058238A1 Method for assembling membrane electrolytic cells
08/24/1982US4345982 Process for the production of hydrogen utilizing a photogalvanic effect of a polyacid ion
08/17/1982US4344829 Of indane with zinc in a water insoluble solvent, followed by electrolysis of zinc chloride
08/17/1982CA1129812A1 Diaphragms for use in the electrolysis of alkali metal chlorides
08/11/1982EP0057669A2 Product to be used as photocatalyst and use thereof
08/10/1982US4343690 Novel electrolysis cell
08/10/1982US4343689 Having an ion exchange diaphram
08/03/1982US4342636 Working polytetrafluoroethylene particles, a metal salt and a lubricant; evaporation, sintering, removal x-ray diffraction
08/03/1982US4342630 Brine distribution system for electrolytic cells
08/03/1982US4342629 Solid polymer electrolyte chlor-alkali process
07/1982
07/27/1982US4341614 Fluoropolymer, converting starch to dextrin
07/27/1982US4341612 Multicompartment; anode and cathode contacting cation ion exchange membrane
07/27/1982US4341608 Hydrogen production by biomass product depolarized water electrolysis
07/27/1982US4341607 Solar power system requiring no active control device
07/27/1982US4341605 Process for cation permeable membrane with reinforcement fabric embedded therein and product thereof