Patents for C25B 1 - Electrolytic production of inorganic compounds or non-metals (13,948)
10/1984
10/24/1984EP0122775A1 Method for making a cathode, and method for lowering hydrogen overvoltage in a chloralkali cell
10/23/1984US4478695 Ion exchange resin, fluoropolymer
10/17/1984EP0121611A2 Brine acidification with simultaneous production of alkali metal hydroxide and hydrochloric acid by 3-compartment electrodialytic water splitting
10/17/1984EP0121608A2 A vertical type electrolytic cell and electrolytic process using the same
10/16/1984US4477322 Process for producing hydrogen chloride
10/16/1984US4477320 Cathode of copper alloy containing silver and phosphorus; antiscaling agents; corrosion resistance
10/11/1984WO1984003904A1 Improved process for electrolysis of brine with iodide impurities
10/09/1984US4476003 Chemical anchoring of organic conducting polymers to semiconducting surfaces
10/09/1984US4475994 Method and apparatus for separating oxygen from a gaseous mixture
10/09/1984CA1175783A1 Electrode coating with platinum-group metal catalyst and semi-conducting polymer
10/09/1984CA1175776A1 Deposition of alpha iron particles on cathode without bonding
10/02/1984US4474656 Method of controlling the potential of electrically-floating components of electrolyzer cells
10/02/1984US4474612 Vertically extending plate electrode for gas-forming electrolyzers
09/1984
09/26/1984EP0119474A1 Method of producing an electrode for use as an anode
09/25/1984US4473450 Electrochemical method and apparatus
09/18/1984US4472260 Light driven hydrogen oxygen generator
09/18/1984US4472255 Electrochemical cell
09/18/1984CA1174638A1 Cation-exchange membrane for electrolyzing alkali metal halide
09/11/1984US4470894 Anode produced by anodic and cathodic pulses
09/11/1984US4470893 Method for water electrolysis
09/11/1984US4470891 Process for removing available halogen from anolyte brine
09/11/1984US4470889 Electrolytic cell having an improved ion exchange membrane and process for operating
09/11/1984US4470888 Silicates, fluorides, sulfides or polybasic alkanoic acids as additives
09/04/1984US4469808 Bonding hydrophilic resin to electrocatalyst on metal substrate
09/04/1984US4469576 Apparatus for electrolytical production of alkaline chlorate
09/04/1984CA1173789A1 Diaphragms for use in the electrolysis of alkali metal chlorides
08/1984
08/28/1984US4468311 Generating halogen, nickel mat, graphite paper between mat and diaphragm
08/28/1984US4468301 Ion exchange membrane cell and electrolytic process using thereof
08/28/1984CA1173403A1 Electrolysis of chloride with fluorine polymer membrane with carboxylic acid groups
08/21/1984US4466869 Photolytic production of hydrogen
08/21/1984US4466867 Production of blue iron hexacyanoferrate-III pigments
08/21/1984CA1173199A2 Polyfluoroallyloxy compounds, their preparation and copolymers therefrom
08/21/1984CA1172992A1 Halogenation of water using porous anode for on-site halogen production
08/15/1984EP0115845A2 Method of fabrication of a catalytic oxygen-consuming electrode
08/14/1984US4465570 Ion exchange membrane
08/14/1984US4465568 Electrochemical production of KNO3 /NaNO3 salt mixture
08/07/1984US4464238 Porous separators for electrolytic processes
08/01/1984EP0114206A1 Process for the electrolysis of sea water to produce hypochlorite and apparatus therefor
07/1984
07/31/1984US4462877 Composite ion exchange membranes
07/25/1984EP0014896B1 Gas diffusion electrode
07/24/1984US4461691 Organic conductive films for semiconductor electrodes
07/24/1984US4461682 Anode and cathode partitioned by ion exchange membrane with roughened surface
07/24/1984CA1171385A1 Cation exchange membrane of flurorinated polymer for an electrolysis
07/24/1984CA1171379A1 Method and apparatus for producing hydrogen
07/17/1984US4460450 Coated valve metal anode for the electrolytic extraction of metals or metal oxides
07/17/1984US4460448 Calibration unit for gases
07/17/1984US4460444 Hydriodic acid-anode-depolarized hydrogen generator
07/17/1984US4460443 Electrolytic photodissociation of chemical compounds by iron oxide electrodes
07/17/1984CA1171026A1 Method of bonding electrode to cation exchange membrane
07/17/1984CA1171024A1 Method of controlling the potential of electrically- floating components of electrolyser cells
07/10/1984US4459188 Brine systems for chlor-alkali membrane cells
07/10/1984CA1170616A1 Electrolytic process for the production of ozone
07/05/1984WO1984002537A1 Monopolar, bipolar and/or hybrid membrane cell
07/05/1984WO1984002522A1 Method for producing an aldehyde
07/03/1984US4457823 Thermally stabilized reduced platinum oxide electrocatalyst
07/03/1984US4457822 Electrolysis apparatus using a diaphragm of a solid polymer electrolyte
06/1984
06/27/1984EP0111920A2 Apparatus and method for the electrolytic production of chlorine water
06/27/1984EP0111870A2 Process and apparatus for the reduction, especially for the methanisation of carbon dioxide
06/27/1984EP0111573A1 Hydrogen generator system
06/26/1984US4456518 Platinum alloys; overvoltage protection
06/26/1984US4456510 Process for manufacturing chlorine dioxide
06/26/1984CA1169812A1 Method and apparatus of injecting replenished electrolyte fluid into an electrolytic cell
06/26/1984CA1169808A1 Bipolar diaphragm cell with vertical flow channels
06/21/1984WO1984002429A1 Chemo-electric cell with at least one gas electrode
06/20/1984EP0111149A1 Method for electrically connecting valve metal anode ribs and cathodically resistant metal cathode ribs through a bipolar plate, and a bipolar element
06/19/1984US4455210 Multi layer ion exchanging membrane with protected interior hydroxyl ion rejection layer
06/19/1984US4455208 Apparatus for electrolysis using two electrolytically conducting phases
06/19/1984US4455203 Process for the electrolytic production of hydrogen peroxide
06/13/1984EP0110425A2 An electrolytic process of an aqueous alkali metal halide solution and electrolytic cell used therefor
06/13/1984EP0110033A2 Processing of sodium chloride brines for chlor-alkali membrane cells
06/12/1984US4453594 Solution mining of coal by electrolysis
06/12/1984CA1169018A1 Method of and apparatus for separating the gases generated during a fusion electrolysis
06/05/1984CA1168617A1 Electrolytic production of hydroxylated nickel compound under acid condition
05/1984
05/29/1984US4451339 Preparation of blue iron hexacyanoferrate-III pigments, and the pigments obtained
05/29/1984US4451338 Process for making a calcium/sodium ferrate adduct by the electrochemical formation of sodium ferrate
05/29/1984CA1168185A2 Raney alloy coated cathode for chlor-alkali cells
05/22/1984US4450057 Acidification to decomplex colloid; chelation using cationic polymer
05/15/1984US4448803 Tetracyano compound on a metal surface
05/15/1984US4448663 Double L-shaped electrode for brine electrolysis cell
05/15/1984US4448662 Solid polymer electrolyte chlor-alkali electrolytic cell
05/15/1984US4448651 In electrolytic cell using copper-silicon alloy as anode
05/15/1984US4448646 Process for preparation of high purity metals by the electrochemical reduction of chalcogenide esters
05/10/1984WO1984001789A1 Bipolar electrode
05/02/1984EP0107135A1 Bipolar electrode
05/01/1984US4445987 Electrolytic purification and reconcentration of wash and rinse caustic solutions recovered from the regeneration of ion exchange resins
05/01/1984US4445986 Electrochemical cell having a separator-gas electrode combination
05/01/1984CA1166599A1 Electrolyzing chloride solution in cell with ion exchange membrane having inorganic particle layer
04/1984
04/25/1984EP0105956A1 Electrolysis apparatus for decomposing water into hydrogen gas and oxygen gas
04/24/1984US4444633 Production of sodium hydroxide and boric acid by the electrolysis of sodium borate solutions
04/24/1984US4444632 Electroconductive compressing mat
04/24/1984US4444631 Electrochemical purification of chlor-alkali cell liquor
04/18/1984EP0105623A2 Electrolytic photodissociation of chemical compounds by iron oxide electrodes
04/17/1984US4443317 Palladium oxide, platinum, ruthenium titanium oxide, coating, pyrolysis
04/17/1984US4443308 Nitrogen oxides, electrochemistry
04/17/1984US4443307 Reduction of available chlorine in alkali brines
04/17/1984CA1165727A1 Electrolytic cell for ion exchange membrane method
04/17/1984CA1165721A1 Reduced anode compartment temperature in cell with cation exchange membrane
04/10/1984CA1165277A2 Process for electrolysis of sodium chloride
04/10/1984CA1165274A1 A method of electrochemically obtaining the pu (vi) oxidation stage
04/10/1984CA1165273A1 Process for the dechlorination and cooling of the anolyte of the alkali metal halide electrolysis