| Patents for C25D 11 - Electrolytic coating by surface reaction, i.e. forming conversion layers (8,800) |
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| 01/13/1993 | EP0522402A1 Process for electrolytic colouring, by optical interference, the anodic oxide on aluminum and aluminum alloys |
| 01/12/1993 | US5178967 Bilayer oxide film and process for producing same |
| 01/12/1993 | US5178915 Coating composition and metal coil coating process employing same |
| 01/07/1993 | WO1993000461A1 Confected stannous sulphate granulate suitable for electrolytically coloring with metallic salts |
| 01/07/1993 | CA2111869A1 Manufactured tin (ii) sulfate granules for electrolytic coloring with metal salts |
| 01/05/1993 | CA2018196C Electroplated steel sheet having a plurality of coatings, excellent in workability, corrosion resistance and water-resistant paint adhesivity |
| 12/30/1992 | EP0520721A2 Passivation method and passivated implant |
| 12/30/1992 | EP0520354A1 Apparatus and method for anodizing supports for lithographic printing plate |
| 12/25/1992 | CA2072189A1 Passivation method |
| 12/24/1992 | DE4120415A1 Konfektioniertes zinn(ii)sulfat-granulat zur elektrolytischen metallsalzeinfaerbung Assembled tin (ii) sulfate granules for the electrolytic metallsalzeinfaerbung |
| 12/23/1992 | EP0519407A2 Spot-weldable aluminum sheet and production thereof |
| 12/22/1992 | CA1311720C Poison-resistant cathode |
| 12/22/1992 | CA1311714C Treatment of galvanized steel |
| 12/22/1992 | CA1311711C Chromate-treated zinc-plated steel strip and method for making |
| 12/16/1992 | EP0518766A1 Acid etching bath for titanium alloys before macrographic anodic oxydation |
| 12/08/1992 | US5169458 Method of improving the corrosion resistance of anodized aluminum at low temperatures |
| 12/02/1992 | CN1066691A Aluminium colouring method and products |
| 12/01/1992 | US5168015 Composition and method for weldable tin-free steel having a chromium bilayer |
| 12/01/1992 | US5167793 Electrodeposition of non-noble metal in pores of aluminum oxide; partial replacement with noble metal; dichroism |
| 11/25/1992 | EP0514661A2 Process for manufacturing oxide-ceramic surface coatings on silicon containing light metal casting alloys |
| 11/14/1992 | WO1992020477A1 Polymer laminated drag cast can stock and method |
| 11/14/1992 | CA2103075A1 Polymer laminated drag cast can stock and method |
| 11/12/1992 | WO1992019796A1 Process for producing anodic films exhibiting coloured patterns and structures incoporating such films |
| 11/12/1992 | WO1992019795A1 Process for producing articles comprising anodized films exhibiting areas of different colour and the articles thus produced |
| 11/11/1992 | EP0512880A1 Process for the treatment of the engraved surface of a semi-conducting or a semi-insulating body, integrated circuits obtained by such a process and anodising apparatus for performing such a process |
| 11/10/1992 | US5162555 Process and apparatus for preparing a solution of a non-ferrous metal sulphonate |
| 11/10/1992 | CA2042161A1 Process for producing anodic films exhibiting coloured patterns and structures incorporating such films |
| 11/10/1992 | CA2042160A1 Process for producing articles comprising anodized films exhibiting areas of different colour and the articles thus produced |
| 11/03/1992 | US5160599 Process for coloring titanium and its alloys |
| 10/29/1992 | WO1992018667A1 Method for obtaining by electrolytic process a range of grey colors on anodized aluminium |
| 10/29/1992 | WO1992018666A1 Improvements to current generation and control systems for electrolytic processes |
| 10/28/1992 | CN1065690A Nickel electroplated cold-rolled steel sheet and method for manufacturing same |
| 10/27/1992 | USRE34116 Blend of bisphenol type epoxy resin, curing agent, silica and ketone solvent |
| 10/27/1992 | US5158663 Protective coatings for metal parts to be used at high temperatures |
| 10/27/1992 | CA1309374C Porous anodic aluminium oxide films |
| 10/20/1992 | US5156896 Silicon substrate having porous oxidized silicon layers and its production method |
| 10/20/1992 | US5156720 Process for producing released vapor deposited films and product produced thereby |
| 10/16/1992 | WO1992018661A1 Metal treatment |
| 10/16/1992 | CA2106953A1 Metal treatment |
| 10/15/1992 | WO1992017628A1 Process for phosphatizing metallic surfaces |
| 10/15/1992 | DE4210884A1 Cobalt- und nickel-freie sealing-zubereitungen Cobalt and nickel-free sealing-preparations |
| 10/14/1992 | EP0508350A2 Circuit for optimal current production in processes of electrochemically initiated plasma chemical layer production |
| 10/08/1992 | DE4111186A1 Verfahren zum phosphatieren von metalloberflaechen Method for phosphating of metal surfaces |
| 10/01/1992 | WO1992016675A1 Colour change devices incorporating areas of contrasting appearance |
| 09/29/1992 | US5151169 Continuous anodizing of a cylindrical aluminum surface |
| 09/22/1992 | CA1307763C Method for electrolytic coloring of aluminum or aluminum alloys |
| 09/09/1992 | EP0502537A1 Apparatus for continuous electrolytic treatment of aluminum article |
| 09/09/1992 | CN1064321A Regeneration method for electrolytic colouring liquid containing tin salt |
| 09/05/1992 | WO1992015728A1 Device for continuous electrodeless electrochemical treating of an electrically conductive web in an electrolyte cell and its use |
| 09/05/1992 | CA2104600A1 Device for continuous electrodeless electrochemical treating of an electrically conductive web in an electrolyte cell and its use |
| 09/03/1992 | WO1992014868A1 Two-step chemical/electrochemical process for coating magnesium |
| 09/01/1992 | CA1306971C Process for surface treatment of carbon fiber |
| 08/25/1992 | US5141603 Soft porous aluminum oxide is transformed to harder barrier layer by second anodization step |
| 08/20/1992 | WO1992013983A1 Process for modifying the surface of carbon-containing materials by electrochemical reduction of diazonium salts, applicable in particular to carbon fibres for composite materials; carbon-containing materials so modified |
| 08/20/1992 | DE4104847A1 Prodn. of uniform ceramic layers on metal surfaces by spark discharge - partic. used for metal parts of aluminium@, titanium@, tantalum, niobium, zirconium@, magnesium@ and their alloys with large surface areas |
| 08/18/1992 | US5139449 Forming anodic oxide films, sealing with molybdenum disulfide, painting |
| 08/12/1992 | EP0498436A2 Process for zinc electroplating of aluminum strip |
| 08/11/1992 | US5137634 Microporous inorgnaic film superimposed on surface of porous anodic aluminum oxide membrane; uniform pore size; crack-and pinhole-free |
| 08/05/1992 | WO1992013984A1 Method for depositing bioactive coatings on conductive substrates |
| 08/05/1992 | CA2096850A1 Method for depositing bioactive coatings on conductive substrates |
| 08/04/1992 | US5135262 Method of making color change devices activatable by bending and product thereof |
| 08/04/1992 | CA1305999C Method of manufacturing a cold cathode, field emission device and a field emission device manufactured by the method |
| 07/30/1992 | DE4037393A1 Electrolyte for anodising light metal or alloy to oxide ceramic coating - contg. ammonium di:hydrogen phosphate and ammonium acetate in aq. soln. |
| 07/29/1992 | EP0496423A1 Nickel electroplated cold-rolled steel sheet excellent in press-formability and phosphating-treatability and method for manufacturing same |
| 07/26/1992 | CA2058678A1 Nickel electroplated cold-rolled steel sheet excellent in press-formability and phosphating-treatability and method for manufacturing same |
| 07/22/1992 | EP0438444A4 Aluminum alloy semiconductor packages |
| 07/21/1992 | US5132003 Forming gold, silver or iron sealing layer on anodized aluminum, coloring |
| 07/21/1992 | US5131987 Process for making an adhesively bonded aluminum article |
| 07/15/1992 | EP0494187A1 Porous membranes suitable for separation devices and other uses. |
| 07/01/1992 | EP0493133A2 Deeply drawn can and method of producing the same |
| 07/01/1992 | EP0492319A2 Surface treated steel sheet for welded cans |
| 06/30/1992 | US5126210 Anodic phosphonic/phosphinic acid duplex coating on valve metal surface |
| 06/29/1992 | CA2058475A1 Deeply drawn can and method of producing the same |
| 06/27/1992 | CA2058149A1 Surface treated steel sheet for welded cans |
| 06/24/1992 | EP0490914A1 Methods for depositing finish coatings on substrates of anodisable metals and the products thereof. |
| 06/23/1992 | US5124022 Electrolytic capacitor and method of making same |
| 06/23/1992 | CA1303917C Highly corrosion resistant surface treated steel plate |
| 06/11/1992 | DE4139112A1 Prodn. of porous silicon@ for semiconductor systems - by dipping silicon plate into electrolyte, pref. contg. hydrofluoric acid, water and ethanol, and producing pulsed current between anode and cathode |
| 06/11/1992 | CA2031853A1 Electrochemical and surface chemical methods for prevention of the atmospheric oxidation of sulphide tailings and of resultant acid generation |
| 06/09/1992 | US5120405 Anodic oxidation, electrophoresis |
| 06/09/1992 | US5120404 Method of producing an electrode foil for use in aluminum electrolytic capacitors |
| 06/04/1992 | DE4038139A1 Composite plain bearing used in Diesel engines - comprises aluminium@ alloy coating on steel support layer having aluminium oxide-contg. coating having pores filled with solid lubricant |
| 06/03/1992 | EP0487754A1 Process for the electrolytic colouring of anodically obtained oxide layers on aluminium or aluminium alloys |
| 05/27/1992 | EP0487240A2 Niobium-tin superconductor |
| 05/27/1992 | DE4037392A1 Aq. electrolyte for anodising light metal to white halide-resistant oxide - e.g. for optical precision appts., contg. potassium phosphate, soda and ammonia |
| 05/26/1992 | US5116674 Electrically conducting metal film on substrate coated with layer of porous metal oxide by anodic oxidation; optical recording media |
| 05/20/1992 | EP0485958A1 Process for preparing a substrate for a lithographic plate |
| 05/20/1992 | CA2048781A1 Niobium-tin superconductor with hafnium oxide particles |
| 05/14/1992 | WO1992007976A1 Electrolyte additive for a colorant bath for colouring aluminium and process for colouring aluminium |
| 05/13/1992 | CN1061056A Electrolytic additive for dye bath of aluminium colouring and process for colouring aluminium |
| 05/12/1992 | US5112668 Insulated metal substrates and process for the production thereof |
| 05/12/1992 | US5112449 Metal deposited in pores of oxide, optical interference device, food packaging |
| 05/05/1992 | US5110689 Excellent paint adhesion and corrosion resistance |
| 04/30/1992 | DE4034304A1 Elektrolytzusatzmittel fuer ein faerbebad zur aluminiumeinfaerbung und verfahren zur einfaerbung von aluminium Electrolyte additive for a dye bath to aluminiumeinfaerbung and process for coloring aluminum |
| 04/21/1992 | CA1299135C Process for electrolytically coloring aluminum material |
| 04/16/1992 | WO1992005967A1 Method and apparatus for multi-colour laser engraving |
| 04/14/1992 | US5104514 Abrading surface, hard anodizing, coating; adhesion wear and impact resistance |
| 04/14/1992 | US5103550 Coating aluminum base with aluminum oxide or hydroxide; treating with organic phosphorus-containing compound; applying polymer |
| 04/08/1992 | EP0479429A2 Infrared radiation element and process of producing the same |
| 04/08/1992 | CN1060118A Low temperature pore sealing method for aluminium and aluminium alloy |